Grinding device for deep groove ball bearing machining

Abstract

The utility model discloses a grinding device for deep groove ball bearing machining in the technical field of deep groove ball bearing machining devices, which comprises a machining table, the machining table is provided with a plurality of groups of machining grooves which are circumferentially arranged at equal intervals around the central axis of the machining table, and an outer ring clamping component for fixing a gear is mounted in each group of machining grooves. A rotating support is rotationally installed in the middle of the machining table, and a driving assembly for driving the rotating support to rotate is installed at the bottom of the machining table. A plurality of sets of first lifting supports and second lifting supports which are in one-to-one correspondence with the machining grooves are installed on the outer ring of the top end of the rotating support, and first grinding assemblies for machining the inner ring of the bearing component are installed on the first lifting supports. The deep groove ball bearing grinding device solves the problems that when an existing grinding device is used for machining a deep groove ball bearing, generally, single equipment can only machine an inner ring or an outer ring of the bearing, a certain time needs to be consumed for replacement during overall grinding of the deep groove ball bearing, grinding errors are prone to occurring, and use by people is not facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of deep groove ball bearing processing devices, in particular to a grinding device for deep groove ball bearing processing. Background Art

[0002] Deep groove ball bearings are the most representative rolling bearings and are widely used. They are used for high and extremely high speed work, are very durable, and do not require frequent maintenance. Deep groove ball bearings have a small friction coefficient, a high maximum rotation speed, a simple structure, a low manufacturing cost, and are easy to achieve high manufacturing precision. The size range and structure type vary widely, and are widely used in precision instruments, low-noise motors, various types of automobiles, motorcycles, and common machinery. They are the most widely used type of bearings in the machinery industry. They can usually withstand radial loads and may also withstand a certain amount of axial loads.

[0003] When processing deep groove ball bearings, the existing grinding device can usually only process the inner ring or outer ring of the bearing. The overall grinding of the deep groove ball bearing requires a certain amount of time to be replaced, and grinding errors are prone to occur, which is not conducive to people's use. Therefore, the technical personnel in this field provide a grinding device for deep groove ball bearing processing to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide a grinding device for deep groove ball bearing processing to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grinding device for deep groove ball bearing processing, comprising a processing table, the processing table is provided with a plurality of processing grooves arranged equidistantly around the central axis, an outer ring clamping assembly of a fixed gear is installed inside each group of the processing grooves, a rotating bracket is rotatably installed in the middle of the processing table, and a driving assembly for driving the rotating bracket to rotate is installed at the bottom of the processing table;

[0006] The top outer ring of the rotating bracket is equipped with multiple groups of first lifting brackets and second lifting brackets corresponding to the processing grooves one by one. The first lifting bracket is equipped with a first grinding component for processing the inner ring of the bearing component, and the second lifting bracket is respectively equipped with an inner ring clamping component for fixing the bearing component and a second grinding component for processing the outer ring of the bearing component.

[0007] Preferably: the rotating bracket includes a rotating rod rotatably connected to the center of the processing table, a connecting disk is fixedly installed on the top of the rotating rod, the outer ring of the connecting disk is connected to the first lifting bracket and the second lifting bracket through a support plate, and the bottom end of the rotating rod is connected to the driving assembly.

[0008] Preferably, the driving assembly comprises a first motor fixedly mounted on the processing table, an output end of the first motor extends below the processing table and is connected to a first gear, and a second gear meshing with the first gear is mounted at the bottom end of the rotating rod.

[0009] Preferably: the first lifting bracket and the second lifting bracket both include a fixed plate connected to the support plate, a first electric telescopic rod is installed at the top center of the fixed plate, the top of the first electric telescopic rod is connected to the lifting plate, two groups of sliding rods sliding through the fixed plate are installed at the bottom of the lifting plate, and the bottom ends of the two groups of sliding rods are connected to the mounting plate.

[0010] Preferably, the first grinding assembly comprises a second motor fixedly mounted on the first lifting bracket mounting plate, and a rotating shaft at an output end of the second motor is connected to a first grinding roller for grinding the inner ring of the bearing component.

[0011] Preferably: the inner ring clamping assembly includes two groups of support blocks fixedly mounted on the second lifting bracket mounting plate, a driving screw is rotatably mounted between the two groups of support blocks, a third motor connected to the end of the driving screw is fixedly mounted on the side of one group of support blocks, two groups of round rods located below the driving screw are installed inside the mounting plate, two groups of positioning blocks that can move relative to or in reverse directions are threadedly connected to the driving screw, and the positioning blocks are slidably connected to the two groups of round rods.

[0012] Preferably: the second grinding assembly includes a fourth motor fixedly mounted on the second lifting bracket mounting plate, the output end shaft of the fourth motor is connected to the third gear, a gear ring meshing with the third gear is rotatably connected to the bottom of the mounting plate, and two groups of second grinding rollers for grinding the outer ring of the bearing component are installed at the bottom of the gear ring through a connecting rod.

[0013] Preferably: the outer ring clamping assembly includes a second electric telescopic rod fixedly installed above the processing table, the output end of the second electric telescopic rod is connected to a movable plate, the side of the movable plate is hingedly connected to two groups of movable rods, the ends of the two groups of movable rods away from the movable plate are cross-connected with sliders, two groups of push-pull rods that slide and extend into the processing groove are fixedly installed on the side of the slider, and a clamping plate for fixing the outer ring of the bearing component is installed at one end of the push-pull rod located inside the processing groove.

[0014] Preferably, a through hole is provided at the central bottom of the processing groove.

[0015] Preferably, a plurality of groups of vertical poles are fixedly mounted on the bottom of the processing table, and support rings are mounted on the bottom ends of the plurality of groups of vertical poles.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. In the utility model, the movable plate can be driven to move by setting a second electric telescopic rod, and the movable rod can drive the movable rod, the slider, the push-pull rod and the clamping plate to move. The clamping plate can clamp and fasten the bearing component from its outer ring, and can conveniently position it at the center of the processing groove. The first lifting assembly is set to drive the first grinding assembly to descend, and the operation of the first grinding assembly can grind the inner ring of the bearing component.

[0018] 2. In the utility model, the second lifting assembly is set to drive the second grinding assembly and the inner ring clamping assembly to descend, and the third motor is used to drive the driving screw to rotate, and the driving screw drives the two sets of positioning blocks to move simultaneously to fix the inner ring of the bearing component. The fourth motor drives the third gear, the gear ring, the connecting rod and the second grinding roller to rotate, and the second grinding roller can grind the outer ring of the bearing component. The transfer of the first lifting bracket and the second lifting bracket is adjusted by the driving assembly and the rotating bracket of the center, which can conveniently and quickly realize the efficient automatic grinding of the inner and outer rings of the bearing component. The center does not need to be manually replaced, which is convenient to improve the efficiency of deep groove ball bearing processing and grinding. The fixing method of the bearing component is convenient to position it to the center of the processing groove, so that it is not easy to produce grinding errors. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 A bottom view of the overall structure of the utility model;

[0021] Figure 3 It is a first cross-sectional view of the overall structure of the utility model;

[0022] Figure 4 It is a second cross-sectional view of the overall structure of the utility model;

[0023] Figure 5 For this utility model Figure 3 A is an enlarged view of the middle image.

[0024] In the figure: 1, processing table; 2, processing groove; 3, rotating rod; 4, connecting plate; 5, supporting plate; 6, first motor; 7, first gear; 8, second gear; 9, fixing plate; 10, first electric telescopic rod; 11, lifting plate; 12, sliding rod; 13, mounting plate; 14, second motor; 15, first grinding roller; 16, supporting block; 17, driving screw; 18, third motor; 19, round rod; 20, positioning block; 21, fourth motor; 22, third gear; 23, gear ring; 24, connecting rod; 25, second grinding roller; 26, second electric telescopic rod; 27, movable plate; 28, movable rod; 29, sliding block; 30, push-pull rod; 31, clamping plate; 32, through hole; 33, vertical rod; 34, supporting ring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1 to Figure 5 In the embodiment of the utility model, a grinding device for deep groove ball bearing processing includes a processing table 1, and the processing table 1 is provided with a plurality of processing grooves 2 arranged equidistantly around the central axis thereof, and an outer ring clamping assembly for fixing a gear is installed inside each group of processing grooves 2. A rotating bracket is rotatably installed in the middle of the processing table 1, and a driving assembly for driving the rotating bracket to rotate is installed at the bottom of the processing table 1. A plurality of first lifting brackets and second lifting brackets corresponding to the processing grooves 2 are installed on the top outer ring of the rotating bracket. A first grinding assembly for processing the inner ring of the bearing component is installed on the first lifting bracket, and an inner ring clamping assembly for fixing the bearing component and a second grinding assembly for processing the outer ring of the bearing component are respectively installed on the second lifting bracket.

[0027] When in use, the bearing component to be processed is placed inside the processing groove 2, the outer ring clamping assembly is started to fix the bearing component, the first lifting bracket is rotated to the top of the processing groove 2 by the rotating assembly, and the inner ring grinding assembly is lowered by the first lifting bracket. The inner ring grinding assembly can grind the inner ring of the bearing component, and after the inner ring processing is completed, the first lifting bracket and the outer ring clamping assembly are reset, and the second lifting bracket is rotated to the top of the processing groove 2 by the rotating assembly, and the inner ring clamping assembly and the second grinding assembly are lowered by the first lifting bracket, and the inner ring of the bearing component is positioned by the inner ring clamping assembly, and the second grinding assembly can grind the outer ring of the bearing component when it is running.

[0028] In one embodiment, specifically, the rotating bracket includes a rotating rod 3 rotatably connected to the center of the processing table 1, a connecting plate 4 is fixedly installed on the top of the rotating rod 3, the outer ring of the connecting plate 4 is connected to the first lifting bracket and the second lifting bracket through a supporting plate 5, and the bottom end of the rotating rod 3 is connected to the driving assembly. Among them, the driving assembly includes a first motor 6 fixedly installed on the processing table 1, the output end of the first motor 6 extends to the bottom of the processing table 1 and is connected to a first gear 7, and the bottom end of the rotating rod 3 is installed with a second gear 8 meshing with the first gear 7.

[0029] The first motor 6 is started, the first motor 6 drives the first gear 7 to rotate, the first gear 7 drives the second gear 8 to rotate, the second gear 8 drives the rotating rod 3 to rotate, the rotating rod 3 can drive the top connection plate 4 to rotate. The connection plate 4 drives the support plate 5 to rotate, and the support plate 5 can drive the first lifting bracket and the second lifting bracket connected at the end to rotate.

[0030] Specifically, the first lifting bracket and the second lifting bracket both include a fixed plate 9 connected to the support plate 5, a first electric telescopic rod 10 is installed at the top center of the fixed plate 9, the top of the first electric telescopic rod 10 is connected to a lifting plate 11, and two groups of sliding rods 12 sliding through the fixed plate 9 are installed at the bottom of the lifting plate 11, and the bottom ends of the two groups of sliding rods 12 are connected to a mounting plate 13.

[0031] Start the first electric telescopic rod 10, the first electric telescopic rod 10 can drive the lifting plate 11 at the top to move, the lifting plate 11 can drive the sliding rod 12 to move up and down, the sliding rod 12 can drive the mounting plate 13 to move, and the mounting plate 13 can drive the equipment installed thereon to move up and down.

[0032] On the basis of the above embodiment, specifically, the first grinding assembly includes a second motor 14 fixedly mounted on the first lifting bracket mounting plate 13, and the output end shaft of the second motor 14 is connected to a first grinding roller 15 for grinding the inner ring of the bearing component. After the first grinding roller 15 is lowered to the inner ring of the bearing component, the second motor 14 is started to drive the first grinding roller 15 to rotate, and the first grinding roller 15 can grind the inner ring of the bearing component.

[0033] The inner ring clamping assembly includes two groups of support blocks 16 fixedly mounted on the second lifting bracket mounting plate 13, a driving screw 17 is rotatably mounted between the two groups of support blocks 16, a third motor 18 connected to the end of the driving screw 17 is fixedly mounted on the side of one group of support blocks 16, and two groups of round rods 19 located below the driving screw 17 are installed inside the mounting plate 13. Two groups of positioning blocks 20 that can move relative to or in reverse directions are threadedly connected to the driving screw 17, and the positioning blocks 20 are slidably connected to the two groups of round rods 19. When the third motor 18 is started, the third motor 18 drives the driving screw 17 to rotate, and the driving screw 17 drives the two groups of positioning blocks 20 to move simultaneously, and the two groups of positioning blocks 20 can be snap-fitted to the inner ring of the bearing.

[0034] Specifically, the second grinding assembly includes a fourth motor 21 fixedly mounted on the second lifting bracket mounting plate 13, the output end shaft of the fourth motor 21 is connected to the third gear 22, the lower part of the mounting plate 13 is rotatably connected to a gear ring 23 meshing with the third gear 22, and the bottom of the gear ring 23 is equipped with two sets of second grinding rollers 25 for grinding the outer ring of the bearing component through a connecting rod 24. When the fourth motor 21 is started, the fourth motor 21 drives the third gear 22 to rotate, the third gear 22 drives the gear ring 23 to rotate, the gear ring 23 drives the connecting rod 24 to rotate, the connecting rod 24 can drive the second grinding roller 25 to rotate, and the second grinding roller 25 can grind the outer ring of the bearing component.

[0035] In one embodiment, specifically, the outer ring clamping assembly includes a second electric telescopic rod 26 fixedly mounted above the processing table 1, the output end of the second electric telescopic rod 26 is connected to a movable plate 27, the side of the movable plate 27 is hingedly connected to two groups of movable rods 28, and the ends of the two groups of movable rods 28 away from the movable plate 27 are both cross-connected with a slider 29. Two groups of push-pull rods 30 that slide and extend to the inside of the processing tank 2 are fixedly mounted on the side of the slider 29, and a clamping plate 31 that fixes the outer ring of the bearing component is mounted on one end of the push-pull rod 30 located inside the processing tank 2.

[0036] The second electric telescopic rod 26 is started, and the second electric telescopic rod 26 can drive the movable plate 27 to move, and the movable plate 27 can drive the movable rod 28 to move. The movable rod 28 drives the slider 29 to slide inside the processing table 1, and the slider 29 drives the push-pull rod 30 to move, and the push-pull rod 30 can drive the clamping plate 31 to move inside the processing tank 2, and the two sets of opposite clamping plates 31 can grind the outer ring of the bearing component.

[0037] A through hole 32 is opened at the central bottom of the processing groove 2, which can facilitate the cleaning of grinding debris. A plurality of sets of vertical rods 33 are fixedly installed at the bottom of the processing table 1, and a support ring 34 is installed at the bottom end of the plurality of vertical rods 33 to provide stable support for the bottom of the processing table 1.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A grinding device for deep groove ball bearing processing, comprising a processing table (1), characterized in that: The processing table (1) is provided with a plurality of groups of processing grooves (2) arranged equidistantly in a circle around its axis, each group of the processing grooves (2) is provided with an outer ring clamping assembly of a fixed gear, a rotating bracket is rotatably installed in the middle of the processing table (1), and a driving assembly for driving the rotating bracket to rotate is installed at the bottom of the processing table (1); The top outer ring of the rotating bracket is equipped with a plurality of first lifting brackets and second lifting brackets corresponding to the processing grooves (2) one by one, the first lifting bracket is equipped with a first grinding assembly for processing the inner ring of the bearing component, and the second lifting bracket is equipped with an inner ring clamping assembly for fixing the bearing component and a second grinding assembly for processing the outer ring of the bearing component.

2. A grinding device for deep groove ball bearing processing according to claim 1, characterized in that: The rotating bracket comprises a rotating rod (3) rotatably connected to the center of the processing table (1); a connecting plate (4) is fixedly mounted on the top of the rotating rod (3); an outer ring of the connecting plate (4) is connected to the first lifting bracket and the second lifting bracket via a supporting plate (5); and the bottom end of the rotating rod (3) is connected to a driving assembly.

3. A grinding device for deep groove ball bearing processing according to claim 2, characterized in that: The driving assembly comprises a first motor (6) fixedly mounted on the processing table (1), the output end of the first motor (6) extending below the processing table (1) and connected to a first gear (7), and the bottom end of the rotating rod (3) is mounted with a second gear (8) meshing with the first gear (7).

4. A grinding device for deep groove ball bearing processing according to claim 2, characterized in that: The first lifting bracket and the second lifting bracket both comprise a fixed plate (9) connected to the support plate (5); a first electric telescopic rod (10) is mounted at the top center of the fixed plate (9); the top end of the first electric telescopic rod (10) is connected to a lifting plate (11); two groups of sliding rods (12) slidingly penetrating the fixed plate (9) are mounted at the bottom of the lifting plate (11); the bottom ends of the two groups of sliding rods (12) are connected to a mounting plate (13).

5. A grinding device for deep groove ball bearing processing according to claim 4, characterized in that: The first grinding assembly comprises a second motor (14) fixedly mounted on a first lifting bracket mounting plate (13), and a rotating shaft at an output end of the second motor (14) is connected to a first grinding roller (15) for grinding the inner ring of the bearing component.

6. A grinding device for deep groove ball bearing processing according to claim 4, characterized in that: The inner ring clamping assembly comprises two groups of support blocks (16) fixedly mounted on the second lifting bracket mounting plate (13), a driving screw (17) being rotatably mounted between the two groups of support blocks (16), a third motor (18) connected to the end of the driving screw (17) being fixedly mounted on the side of one group of support blocks (16), two groups of round rods (19) located below the driving screw (17) being mounted inside the mounting plate (13), two groups of positioning blocks (20) being threadedly connected to the driving screw (17) and being movable relative to or in reverse directions, the positioning blocks (20) being slidably connected to the two groups of round rods (19).

7. A grinding device for deep groove ball bearing processing according to claim 6, characterized in that: The second grinding assembly comprises a fourth motor (21) fixedly mounted on a second lifting bracket mounting plate (13); an output end shaft of the fourth motor (21) is connected to a third gear (22); a gear ring (23) meshing with the third gear (22) is rotatably connected below the mounting plate (13); two groups of second grinding rollers (25) for grinding the outer ring of the bearing member are mounted at the bottom of the gear ring (23) via a connecting rod (24).

8. The grinding device for deep groove ball bearing processing according to claim 1, characterized in that: The outer ring clamping assembly comprises a second electric telescopic rod (26) fixedly mounted above the processing table (1); the output end of the second electric telescopic rod (26) is connected to a movable plate (27); the side of the movable plate (27) is hingedly connected to two groups of movable rods (28); the ends of the two groups of movable rods (28) away from the movable plate (27) are both cross-connected to a slider (29); the side of the slider (29) is fixedly mounted with two groups of push-pull rods (30) that slide and extend into the processing groove (2); the end of the push-pull rod (30) located in the processing groove (2) is mounted with a clamping plate (31) for fixing the outer ring of the bearing component.

9. A grinding device for deep groove ball bearing processing according to claim 1, characterized in that: A through hole (32) is provided at the central bottom of the processing groove (2).

10. The grinding device for deep groove ball bearing processing according to claim 1, characterized in that: A plurality of groups of vertical rods (33) are fixedly mounted on the bottom of the processing table (1), and support rings (34) are mounted on the bottom ends of the plurality of groups of vertical rods (33).

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