Bearing outer ring drilling device

Abstract

The utility model discloses a bearing outer ring drilling device, and particularly relates to the technical field of machining, the bearing outer ring drilling device comprises a fixed disc, a door frame is fixedly connected to the fixed disc, and guide rods are fixedly connected between the left side and the right side of the inner wall of the top of the door frame and the top of the fixed disc respectively; the outer sides of the two guide rods are slidably connected with the same moving plate, and the top of the moving plate is fixedly connected with a square frame. And the fixing assembly comprises two rotating shafts which are rotationally connected to the top of the fixing disc and the bottom of the moving plate through bearings correspondingly. According to the bearing outer ring drilling device, through the arranged fixing assembly, when the bearing outer ring is drilled, the two end faces of the bearing outer ring can be limited and clamped, so that holes in all needed positions can be conveniently drilled at a time, the drilling step is simplified, clamping jaws of different sizes can be replaced according to the bearing outer rings of different sizes, the adaptability is good, and the drilling efficiency is improved. The disassembly and assembly operation is simple enough, and the convenience degree of drilling is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a bearing outer ring drilling device. Background Art

[0002] Bearings are extremely important parts in mechanical equipment. According to the different friction properties of moving elements, they can be divided into rolling bearings and sliding bearings. Among them, rolling bearings are widely used in mechanical equipment. Rolling bearings are generally composed of inner rings, outer rings, rolling elements and cages. Among them, the role of the outer ring is to cooperate with the bearing seat to play a supporting role. A bearing outer ring drilling device is required during the production of bearings.

[0003] At present, electric chucks and drilling machines are usually used to drill holes in the outer ring of bearings. Some small processing plants also manually fix the bearings for drilling and grooving. When the above drilling methods are actually used, the clamps used to fix the outer ring of the bearing will occupy the surface of the outer ring of the bearing, resulting in the need to disassemble the outer ring of the bearing and replace the clamping position to adjust the drilling position when processing the surface position holes of the outer ring of the bearing, making it difficult to achieve the requirement of processing all holes at one time. Utility Model Content

[0004] The utility model aims to provide a bearing outer ring drilling device to solve the above-mentioned background technical problems.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bearing outer ring drilling device, comprising: a fixed plate, a door frame is fixedly connected to the fixed plate, guide rods are fixedly connected between the left and right sides of the top inner wall of the door frame and the top of the fixed plate respectively, the outer sides of the two guide rods are slidably connected to the same moving plate, and the top of the moving plate is fixedly connected to a square frame;

[0006] A fixed assembly, the fixed assembly comprising two rotating shafts respectively rotatably connected to the top of the fixed plate and the bottom of the movable plate through bearings, the outer side of the rotating shaft is fixedly connected to a limit block, the outer circumferential side wall of the rotating shaft is slidably connected to a chassis, the top of the chassis is fixedly connected to a clamping claw, and a fixed sleeve is arranged on the outer side of one end of the rotating shaft;

[0007] A drive assembly connected to the gantry;

[0008] A drilling machine is connected to the fixing plate.

[0009] As another improvement of the utility model, a protrusion is fixedly connected to one side of the chassis, and a clamping groove is provided on one side of the clamping claw.

[0010] As another improvement of the present invention, the shape of the clamping claw is a fan surface, and a fan-shaped groove is provided on the clamping claw.

[0011] As another improvement of the utility model, the fan surface of the claw is a hollow fan surface.

[0012] As another improvement of the present invention, the number of the claws is 3, 4 or 5.

[0013] As another improvement of the utility model, the driving assembly includes an electric cylinder fixedly connected to the top of the door frame, and the output end of the electric cylinder passes through the door frame and is fixedly connected to the top of the square frame.

[0014] As another improvement of the utility model, fixing holes are respectively opened on the left and right sides of the top of the movable plate, and the inner sides of the fixing holes are fixedly connected with guide bearings, and the guide bearings are slidably connected to the outer sides of the guide rods.

[0015] As another improvement of the utility model, a threaded section is arranged on the outer side of one end of the rotating shaft, and the maximum outer diameter of the threaded section is smaller than the outer diameter of the shaft body of the rotating shaft.

[0016] As another improvement of the utility model, the outer side of the fixing sleeve is provided with anti-slip lines around its periphery.

[0017] Beneficial effects of the utility model:

[0018] By setting up the fixing component, the chassis can be tightened when drilling the outer ring of the bearing, the grooves on the clamping claws in the upper and lower directions can be aligned, and the two end faces (i.e., the upper end face and the lower end face) of the outer ring of the bearing can be limited and clamped. The clamp used to fix the outer ring of the bearing will not occupy the surface of the outer ring of the bearing too much, so that all holes in required positions can be drilled at one time, simplifying the drilling steps, and different sizes of clamping claws can be replaced according to different sizes of bearing outer rings. The adaptability is also good, and the disassembly and assembly operations are simple enough, which improves the convenience of drilling. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a partially enlarged structural schematic diagram of the utility model;

[0022] Figure 3 It is a schematic diagram of a partially enlarged cross-section structure of the utility model.

[0023] Description of reference numerals:

[0024] 1. Fixed plate; 2. Door frame; 3. Guide rod; 4. Moving plate; 5. Square frame; 6. Rotating shaft; 7. Limit block; 8. Fixed sleeve; 9. Protrusion; 10. Chassis; 11. Claw; 12. Slot; 13. Fan-shaped slot; 14. Electric cylinder; 15. Drilling machine. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] Specific implementation method 1: This implementation method provides Figure 1-Figure 3The bearing outer ring drilling device shown in the figure comprises: a fixed plate 1, a gantry 2 is fixedly connected to the fixed plate 1, guide rods 3 are fixedly connected between the left and right sides of the top inner wall of the gantry 2 and the top of the fixed plate 1 respectively, the outer sides of the two guide rods 3 are slidably connected to the same moving plate 4, and the top of the moving plate 4 is fixedly connected to a square frame 5; a fixed component, the fixed component comprises two rotating shafts 6 which are respectively rotatably connected to the top of the fixed plate 1 and the bottom of the moving plate 4 through bearings, the outer side of the rotating shaft 6 is fixedly connected to a limiting block 7, a chassis 10 is slidably connected to the outer circumferential side wall of the rotating shaft 6, a clamping claw 11 is fixedly connected to the top of the chassis 10, and a fixed sleeve 8 is arranged on the outer side of one end of the rotating shaft 6; a driving component, the driving component is connected to the gantry 2; a drilling machine 15, the drilling machine 15 is connected to the fixed plate 1, the gantry 2 is used to fix the guide rods 3 and the electric cylinder 14, the guide rods 3 are used to guide the moving plate 4, the square frame 5 is used to connect to the output end of the electric cylinder 14, and the rotating shaft 6 can make the clamped The outer ring of the bearing is in a rotatable state, which is convenient for processing. The limit block 7 is used to locate the installation position of the chassis 10, the claw 11 is used to clamp the outer ring of the bearing, the fixing sleeve 8 is used to fix the chassis 10, and the drilling machine 15 is used to realize the drilling operation on the outer ring of the bearing. When in use, first put two identical clamps on the rotating shaft 6 according to the size of the outer ring of the bearing to be processed, so that one side of the chassis 10 on the clamp contacts the limit block 7, and then rotate the fixing sleeve 8 to fasten the chassis 10 through the threaded cooperation with the rotating shaft 6. In this operation, it is necessary to pay attention to align the grooves 12 on the claws 11 in the upper and lower directions, and then place the outer ring of the bearing to be processed in the groove 12 on the lower claw 11, and connect the power supply to control the electric cylinder 14 to work through the controller, and drive the moving plate 4 and the upper claw 11 to descend until the groove 12 of the upper claw 11 is also stuck on the outside of the outer ring of the bearing. At this time, the drilling operation on the outer ring of the bearing can be realized by controlling the drilling machine 15 to work. By setting up the fixing component, the two end faces of the outer ring of the bearing can be limited and clamped when drilling the outer ring of the bearing, so that all holes in required positions can be drilled at one time, the drilling steps are simplified, and different sizes of claws 11 can be replaced according to different sizes of bearing outer rings. The adaptability is also good, and the disassembly and assembly operations are simple enough, which improves the convenience of drilling.

[0027] Specific implementation method 2: Combination Figures 1 to 3 This embodiment is described. The difference between this embodiment and the first embodiment is that a protrusion 9 is fixedly connected to one side of the chassis 10, and a groove 12 is provided on one side of the claw 11. The protrusion 9 is used to position the fixed sleeve 8 and distinguish the machined surface from the non-machined surface. The groove 12 is used to clamp the outer ring of the bearing for easy fixation. Other components and connection methods are the same as those of the first embodiment.

[0028] Specific implementation method three: Combination Figures 1 to 3This embodiment is described. The difference between this embodiment and the first embodiment is that the claw 11 is in the shape of a fan surface, and a fan-shaped groove 13 is provided on the claw 11. The fan-shaped groove 13 is used to reduce the amount of material used, which can effectively reduce the manufacturing cost. Other components and connection methods are the same as those of the first or second embodiments.

[0029] Specific implementation method four: Combination Figures 1 to 3 To describe this embodiment, the difference between this embodiment and the first embodiment is that the fan surface of the claw is a hollow fan surface.

[0030] Specific implementation method five: Combination Figures 1 to 3 This embodiment is described. The difference between this embodiment and the first embodiment is that the number of claws is 3, 4 or 5.

[0031] Specific implementation method six: Combination Figures 1 to 3 This embodiment is described. The difference between this embodiment and the first embodiment is that the driving assembly includes an electric cylinder 14 fixedly connected to the top of the door frame 2. The output end of the electric cylinder 14 passes through the door frame (2) and is fixedly connected to the top of the square frame 5. The square frame 5 can be connected and fixed with the electric cylinder 14 without interfering with the upper rotating shaft 6, which is convenient for installation. The other components and connection methods are the same as any one of the first to third embodiments.

[0032] Specific implementation method seven: Combination Figures 1 to 3 This embodiment is described. The difference between this embodiment and the first embodiment is that the left and right sides of the top of the moving plate 4 are respectively provided with fixing holes, the inner side of the fixing holes is fixedly connected with a guide bearing, and the guide bearing is slidably connected to the outer side of the guide rod 3. The guide bearing can reduce the sliding damping of the moving plate 4 and improve the smoothness of the structural operation. The other components and connection methods are the same as any one of the first to fourth embodiments.

[0033] Specific embodiment eight: a threaded section is arranged outside one end of the rotating shaft 6, the maximum outer diameter of the threaded section is smaller than the outer diameter of the shaft body of the rotating shaft 6, and the threaded end can be connected and fixed with the fixing sleeve 8 for easy installation. The other components and connection methods are the same as any one of the specific embodiments one to five.

[0034] Specific embodiment 9: The outer side of the fixing sleeve 8 is provided with anti-skid lines, which can increase the rotation damping of the fixing sleeve 8 and improve the convenience of operation. Other components and connection methods are the same as any one of specific embodiments 1 to 6.

[0035] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A bearing outer ring drilling device, characterized in that It comprises a fixed plate (1), a fixed assembly, a driving assembly, a door frame (2), a guide rod (3), a movable plate (4), a square frame (5), a rotating shaft (6), a limit block (7), a fixed sleeve (8), a chassis (10), a clamping claw (11) and a drilling machine (15). The fixed plate (1) is fixedly connected to a door frame (2), and guide rods (3) are fixedly connected between the left and right sides of the top inner wall of the door frame (2) and the top of the fixed plate (1), respectively; the outer circumferential side walls of the two guide rods (3) are slidably connected to the same movable plate (4), and the top of the movable plate (4) is fixedly connected to a square frame (5); The fixing assembly comprises two rotating shafts (6) which are rotatably connected to the top of the fixing plate (1) and the bottom of the moving plate (4) respectively through bearings; the outer side of the rotating shaft (6) is fixedly connected to a limiting block (7); the outer side of the rotating shaft (6) is slidably connected to a chassis (10); a clamping claw (11) is fixedly connected to the top of the chassis (10) around the periphery, and the outer side of the clamping claw (11) is pressed on the upper end surface and the lower end surface of the outer ring of the bearing to fix the outer ring of the bearing; a fixing sleeve (8) is arranged on the outer side of one end of the rotating shaft (6); The driving assembly is connected to the door frame (2); The drilling machine (15) is connected to the fixing plate (1).

2. A bearing outer ring drilling device according to claim 1, characterized in that: A protrusion (9) is fixedly connected to one side of the chassis (10), and a clamping groove (12) is provided on one side of the clamping claw (11).

3. A bearing outer ring drilling device according to claim 2, characterized in that: The clamping claw (11) is in the shape of a sector, and a sector-shaped groove (13) is provided on the clamping claw (11).

4. A bearing outer ring drilling device according to claim 3, characterized in that: The fan surface of the claw (11) is a hollow fan surface.

5. A bearing outer ring drilling device according to claim 2, characterized in that: The number of the claws (11) is 3, 4 or 5.

6. A bearing outer ring drilling device according to claim 1, characterized in that: The driving assembly comprises an electric cylinder (14) fixedly connected to the top of the door frame (2); the output end of the electric cylinder (14) passes through the door frame (2) and is fixedly connected to the top of the square frame (5).

7. A bearing outer ring drilling device according to claim 1, characterized in that: The top left and right sides of the movable plate (4) are respectively provided with fixing holes, the inner sides of the fixing holes are fixedly connected with guide bearings, and the guide bearings are slidably connected to the outer sides of the guide rods (3).

8. The bearing outer ring drilling device according to claim 1, characterized in that: A threaded section is arranged on the outer side of one end of the rotating shaft (6), and the maximum outer diameter of the threaded section is smaller than the outer diameter of the shaft body of the rotating shaft (6).

9. The bearing outer ring drilling device according to claim 1, characterized in that: The outer side of the fixing sleeve (8) is provided with anti-slip patterns around its periphery.

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