Drilling and positioning device for oil injection and discharge holes of motor end cover

Abstract

The utility model relates to the field of motor machining, and discloses a motor end cover oil injection and drainage hole drilling positioning device which comprises a mounting plate, a mounting assembly is arranged in the mounting plate, a fixing plate abuts against the middle of the front side of the mounting plate, a supporting shaft is fixedly connected to the middle of the front side of the fixing plate, and a rotating shaft is rotationally connected into the supporting shaft. The periphery of one end of the rotating shaft is fixedly connected with a mounting disc, the interior of the mounting disc is slidably connected with a plurality of uniformly distributed moving shafts, one end of each moving shaft is fixedly connected with a moving rod, one side of each moving rod is fixedly connected with a moving block, and the mounting assembly comprises an electric push rod. According to the motor end cover positioning device, the multiple moving blocks move relatively to fix motor end covers which are arranged on the periphery of the supporting shaft in a sleeving mode and are different in size, the fixing plates can be rapidly clamped and fixed through the clamping plates, and therefore the fixing plates can be rapidly disassembled and assembled, and the positioning device can be conveniently maintained.

Description

Technical Field

[0001] The utility model relates to the field of motor processing, in particular to a drilling and positioning device for oil injection and discharge holes of a motor end cover. Background Art

[0002] Electric motors are devices that convert electrical energy into mechanical energy and are widely used in a variety of industrial, commercial and household applications. They are usually used to drive various mechanical devices, equipment and systems. The bearings inside the motor usually need to be lubricated to ensure their normal operation, so it is necessary to drill oil filling holes and oil drain holes at the motor end cover to establish an oil lubrication system.

[0003] After searching, Chinese patent announcement number: CN206677634U discloses a motor end cover drilling tool, including a base, a column arranged at one end of the base, and a drilling device arranged at the top of the column. The middle part of the column is connected to one end of the beam, and a workbench is arranged at the other end of the beam; the characteristic is that the workbench is disc-shaped as a whole and is rotatably connected to the beam, and the workbench is provided with end cover placement grooves and positioning holes in sequence from the inside to the outside along the radial direction; the shape of the end cover placement groove corresponds to the shape of the end cover; and the drilling device is provided with a positioning rod parallel to the drill bit axis and corresponding to the positioning hole. The utility model motor end cover drilling tool is provided with an end cover placement groove and a positioning hole, which realizes the precise positioning of the end cover during drilling, effectively improves the processing quality, reduces the scrap rate, and can save processing costs for manufacturers. The tool installs and fixes the motor end cover through the placement groove and the positioning rod, but the size of the placement groove and the positioning rod is fixed, so it is not easy to install and fix motor end covers of different sizes. For this reason, a motor end cover oil injection and drainage hole drilling positioning device is proposed to solve the above problems. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a drilling and positioning device for oil filling and draining holes of a motor end cover, aiming to improve the problem in the prior art that drilling tools are difficult to install and fix motor end covers of different sizes.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a motor end cover oil filling and drain hole drilling and positioning device, comprising a mounting plate, a mounting assembly is arranged inside the mounting plate, a fixing plate is abutted against the middle part of the front side of the mounting plate, a support shaft is fixedly connected to the middle part of the front side of the fixing plate, a rotating shaft is rotatably connected inside the support shaft, a mounting disk is fixedly connected to the outer periphery of one end of the rotating shaft, a plurality of evenly distributed moving shafts are slidably connected inside the mounting disk, a plurality of the moving shafts are fixedly connected to a moving rod at one end, and a plurality of the moving rods are fixedly connected to a moving block on one side.

[0006] As a further description of the above technical solution:

[0007] The mounting assembly includes an electric push rod, which is fixedly connected to the inside of the mounting plate, and the left and right sides of the top of the electric push rod are rotatably connected to rotating rods, one end of the rotating rod is rotatably connected to a connecting block, the front side of the top of the connecting block is fixedly connected to a supporting block, and the front side of the supporting block is fixedly connected to a splint.

[0008] As a further description of the above technical solution:

[0009] A motor is fixedly connected inside the support shaft, a gear is fixedly connected to the motor driving end, a rack is arranged on the outer periphery of the rotating shaft, and the rack is meshed with the gear.

[0010] As a further description of the above technical solution:

[0011] The inside of the moving block is slidably connected with a rubber pad, one side of the rubber pad is fixedly connected with a limiting plate, one side of the limiting plate is fixedly connected with a spring, and one end of the spring is fixedly connected to the inside of the moving block.

[0012] As a further description of the above technical solution:

[0013] Baffles are fixedly connected to both the front and rear ends of the moving shaft, wherein several of the baffles are respectively abutted against one side of the plurality of moving rods, and the remaining several baffles are all abutted against one side of the mounting plate.

[0014] As a further description of the above technical solution:

[0015] A sliding block is fixedly connected to the rear side of the connecting block, a sliding groove is provided inside the mounting plate, and the sliding block is slidably connected inside the sliding groove.

[0016] As a further description of the above technical solution:

[0017] The fixing plate is arranged inside the opposite sides of the two clamping plates.

[0018] As a further description of the above technical solution:

[0019] The plurality of moving blocks are all in contact with the front end of the support shaft.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, the motor drives the mounting plate to rotate through the gear and the rack. The rotation of the mounting plate causes the multiple moving shafts to respectively drive the multiple moving rods to move relative to each other. The multiple moving rods respectively drive the multiple moving blocks to move relative to each other. The relative movement of the multiple moving blocks can fix the motor end covers of different sizes mounted on the outer periphery of the support shaft.

[0022] 2. In the utility model, the top of the electric push rod can be extended and retracted so that the top of the electric push rod drives the rotating rod to rotate, and the rotation of the rotating rod drives the clamping plate to move. The clamping plate can quickly clamp and fix the fixed plate, thereby realizing rapid disassembly and assembly of the fixed plate, which is convenient for maintenance of the positioning device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional schematic diagram of a drilling and positioning device for oil filling and draining holes on an end cover of a motor proposed by the utility model;

[0024] Figure 2 This is a structural schematic diagram of a support shaft of a drilling and positioning device for oil injection and discharge holes on an end cover of a motor proposed by the utility model;

[0025] Figure 3 This is a structural schematic diagram of a rubber pad of a drilling and positioning device for oil injection and discharge holes on an end cover of a motor proposed by the utility model;

[0026] Figure 4 The utility model is a schematic structural diagram of a mounting plate of a drilling and positioning device for oil filling and draining holes on an end cover of a motor.

[0027] Legend:

[0028] 1. Mounting plate; 2. Moving block; 3. Baffle; 4. Rubber pad; 5. Clamp; 6. Fixed plate; 7. Support shaft; 8. Rotating shaft; 9. Motor; 10. Gear; 11. Moving rod; 12. Rack; 13. Spring; 14. Limiting plate; 15. Support block; 16. Connecting block; 17. Rotating rod; 18. Electric push rod; 19. Slider; 20. Mounting plate; 21. Moving shaft. DETAILED DESCRIPTION

[0029] 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.

[0030] Reference Figure 1-Figure 3The utility model provides an embodiment: a drilling and positioning device for oil injection and discharge holes on the end cover of a motor, comprising a mounting plate 1, a fixing plate 6 abutting against the middle of the front side of the mounting plate 1, a support shaft 7 fixedly connected to the middle of the front side of the fixing plate 6, a rotating shaft 8 rotatably connected inside the support shaft 7, a motor 9 fixedly connected inside the support shaft 7, a gear 10 fixedly connected to the driving end of the motor 9, a rack 12 arranged on the periphery of the rotating shaft 8, the rack 12 and the gear 10 meshingly connected, a mounting disk 20 fixedly connected to the periphery of one end of the rotating shaft 8, a plurality of evenly distributed moving shafts slidably connected inside the mounting disk 20 21, baffle plates 3 are fixedly connected to the front and rear ends of the moving shaft 21, several of the baffle plates 3 are respectively abutted on one side of the multiple moving rods 11, and the remaining baffle plates 3 are abutted on one side of the mounting plate 20, one end of the multiple moving shafts 21 is fixedly connected to the moving rod 11, one side of the multiple moving rods 11 is fixedly connected to the moving block 2, the multiple moving blocks 2 are abutted on the front end of the supporting shaft 7, the inside of the moving block 2 is slidably connected with a rubber pad 4, one side of the rubber pad 4 is fixedly connected to a limiting plate 14, one side of the limiting plate 14 is fixedly connected to a spring 13, and one end of the spring 13 is fixedly connected to the inside of the moving block 2.

[0031] Specifically, the mounting plate 1 is used to support the fixed plate 6, and the fixed plate 6 serves to install and fix the support shaft 7. The support shaft 7 can be used to place the motor end cover, and the rotating shaft 8 is used to support the mounting disk 20 to rotate. The motor 9 starts the driving gears 10 to be connected to each other. The gear 10 can drive the rotating shaft 8 to rotate through the rack 12, and the mounting disk 20 can be driven to rotate by the rotating shaft 8. The rotation of the mounting disk 20 can drive the moving shaft 21 to move, and the movement of the moving shaft 21 can drive the moving rod 11 and the moving block 2 to move. The moving block 2 can move from the inside of the motor end cover to the edge of the motor end cover, thereby fixing the motor end cover to the outside of the support shaft 7, the baffle 3 can limit the movement of the moving shaft 21, the rubber pad 4 can increase the friction between the moving block 2 and the motor end cover, and the spring 13 can push the rubber pad 4 to fit tightly against the inside of the motor end cover.

[0032] Reference Figure 1 and Figure 4 A mounting assembly is provided inside the mounting plate 1, and the mounting assembly includes an electric push rod 18, which is fixedly connected inside the mounting plate 1, and the left and right sides of the top of the electric push rod 18 are rotatably connected to the rotating rod 17, one end of the rotating rod 17 is rotatably connected to the connecting block 16, and the rear side of the connecting block 16 is fixedly connected to the slider 19, a slide groove is provided inside the mounting plate 1, and the slider 19 is slidably connected inside the slide groove, a support block 15 is fixedly connected to the front side of the top of the connecting block 16, and a clamping plate 5 is fixedly connected to the front side of the support block 15, and a fixed plate 6 is arranged inside the side facing each other of the two clamping plates 5.

[0033] Specifically, the top end of the electric push rod 18 can be extended and retracted to drive the rotating rod 17 to rotate. The rotation of the rotating rod 17 can drive the connecting block 16 to move. The connecting block 16 is used to connect the splint 5 and the rotating rod 17 to each other. The support block 15 is used to install and fix the splint 5. The splint 5 can clamp and fix the fixed plate 6. The slider 19 slides inside the slide groove to limit the movement of the splint 5.

[0034] Working principle: put the motor end cover on the outside of the front end of the support shaft 7, and then start the motor 9. The motor 9 drives the mounting plate 20 to rotate through the gear 10 and the rack 12. The rotation of the mounting plate 20 causes the multiple moving shafts 21 to drive the multiple moving rods 11 to move relatively. The multiple moving rods 11 drive the multiple moving blocks 2 to move toward the front end edge of the support shaft 7. The multiple moving blocks 2 can move toward the edge of the motor end cover so that motor end covers of different sizes can be fixed. After the motor end cover is fixed, the motor end cover can be drilled. The top end of the electric push rod 18 can be retracted so that the top of the electric push rod 18 drives the rotating rod 17 to rotate. The rotation of the rotating rod 17 drives the splint 5 to move. The splint 5 can quickly clamp and fix the fixed plate 6, thereby realizing the rapid disassembly and assembly of the positioning device, which is convenient for repairing the positioning device.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A drilling and positioning device for oil filling and draining holes of a motor end cover, comprising a mounting plate (1), characterized in that: The mounting plate (1) is provided with a mounting assembly inside. The middle part of the front side of the mounting plate (1) abuts against a fixing plate (6). The middle part of the front side of the fixing plate (6) is fixedly connected to a supporting shaft (7). The support shaft (7) is rotatably connected to a rotating shaft (8). The outer periphery of one end of the rotating shaft (8) is fixedly connected to a mounting plate (20). The mounting plate (20) is slidably connected to a plurality of evenly distributed moving shafts (21). One end of each of the moving shafts (21) is fixedly connected to a moving rod (11). One side of each of the moving rods (11) is fixedly connected to a moving block (2).

2. The drilling and positioning device for oil filling and draining holes of a motor end cover according to claim 1, characterized in that: The mounting assembly comprises an electric push rod (18), the electric push rod (18) being fixedly connected inside the mounting plate (1), the left and right sides of the top of the electric push rod (18) being rotatably connected to rotating rods (17), one end of the rotating rod (17) being rotatably connected to a connecting block (16), the top front side of the connecting block (16) being fixedly connected to a supporting block (15), and the front side of the supporting block (15) being fixedly connected to a clamping plate (5).

3. The drilling and positioning device for oil filling and draining holes of a motor end cover according to claim 1, characterized in that: A motor (9) is fixedly connected inside the support shaft (7), a gear (10) is fixedly connected to the driving end of the motor (9), a rack (12) is arranged on the outer periphery of the rotating shaft (8), and the rack (12) and the gear (10) are meshed and connected with each other.

4. The drilling and positioning device for oil filling and draining holes of a motor end cover according to claim 1, characterized in that: The moving blocks (2) are all slidably connected to rubber pads (4), one side of the rubber pads (4) is fixedly connected to a limit plate (14), one side of the limit plate (14) is fixedly connected to a spring (13), and one end of the spring (13) is fixedly connected to the inside of the moving block (2).

5. The drilling and positioning device for oil filling and draining holes of a motor end cover according to claim 1, characterized in that: Baffles (3) are fixedly connected to both the front and rear ends of the movable shaft (21), wherein several of the baffles (3) respectively abut against one side of the plurality of movable rods (11), and the remaining several of the baffles (3) abut against one side of the mounting plate (20).

6. The drilling and positioning device for oil filling and draining holes of a motor end cover according to claim 2, characterized in that: A sliding block (19) is fixedly connected to the rear side of the connecting block (16); a sliding groove is provided inside the mounting plate (1), and the sliding block (19) is slidably connected inside the sliding groove.

7. The drilling and positioning device for oil filling and draining holes of a motor end cover according to claim 2, characterized in that: The fixing plate (6) is arranged inside the opposite side of the two clamping plates (5).

8. The drilling and positioning device for oil filling and draining holes of a motor end cover according to claim 1, characterized in that: The plurality of moving blocks (2) are all in contact with the front end of the support shaft (7).

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