Drill bit polishing and maintaining device

By designing a drill bit grinding and maintenance device including shell, movable block, grinding disc, water pump, air pump and brush, the problem of inconvenient maintenance after grinding is solved, efficient cleaning and lubrication of the drill bit is achieved, and service life is extended .

CN222449512UActive Publication Date: 2025-02-11ZHUHAI MAOXIN HARDWARE TECH CO LTD
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Patent Information

Application Number
CN202420719943.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-09
Publication Date
2025-02-11
Estimated Expiration
2034-04-09

AI Technical Summary

Technical Problem

In the prior art, the drill bit is inconvenient to maintain after grinding, resulting in residual foreign matter on the drill bit surface, which is prone to corrosion and oxidation, and reduces service life.

Method used

A drill bit grinding and maintenance device is designed, including a housing, movable block, grinding disc, water pump, air pump and brush, so as to achieve polishing, cleaning and lubrication of drill bits through hydraulic cylinders, motors and gear systems.

Benefits of technology

It realizes convenient polishing and maintenance of the drill bit, cleans up foreign matter on the surface, avoids corrosion and oxidation, and extends the service life of the drill bit.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of drill bits, in particular to a drill bit polishing and maintaining device which comprises a shell, a movable block is slidably connected into the shell, a plate block is rotatably connected to the upper end of the movable block, two clamping plates are slidably connected to the upper end of the plate block, and a movable plate is slidably connected to the top in the shell. Polishing discs are fixedly connected to the inner walls of the two sides of the movable plate; and the lower end of the circular plate is rotationally connected with two brushes. An operator places a drill bit at the upper end of a plate block, two clamping plates relatively slide to clamp and fix the drill bit by rotating a rotating rod, a first motor drives a screw to rotate, a movable block drives the drill bit to move in a shell, a movable plate moves downwards through a hydraulic cylinder, and the surface of a grinding disc is attached to the grinding position of the drill bit; and the second motor drives the plate to rotate, so that the rotating plate drives the drill bit to rotate, the drill bit is ground, and therefore the drill bit is ground conveniently.
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Description

Technical Field

[0001] The utility model relates to the technical field of drill bits, in particular to a drill bit grinding and maintenance device. Background Art

[0002] There are many types of drill bits, the most common ones include twist drills, flat drills, deep hole drills, reaming drills, countersink drills, etc. Each drill bit has its specific usage scenarios and characteristics. For example, the twist drill is the most widely used hole processing tool, suitable for drilling holes in various materials; the flat drill has a simple structure and low manufacturing cost, but the cutting and chip removal performance is poor; the deep hole drill is specifically used for processing holes with a ratio of hole depth to hole diameter greater than 6. Drill bits can also be classified according to the material, such as steel drill bits, high-speed steel drill bits, carbide drill bits, ceramic drill bits, polycrystalline drill bits, etc. Drill bits made of different materials have different hardness and wear resistance, and are suitable for different working environments and materials. At the same time, the drill bits need to be polished and maintained after use.

[0003] After searching, a utility model patent with Chinese patent announcement number CN217096938U discloses a grinding device for drill bit manufacturing, which is convenient for adjustment when grinding the drill bit and has high flexibility in use. It includes a base plate, a support plate is slidably connected to the top of the base plate, a rotating gear is rotatably connected to the support plate, a first electric cylinder is installed at the right end of the rotating gear, the output end of the first electric cylinder passes through the rotating gear and is connected to a clamping toothed belt, two articulated seats are connected to the left end of the rotating gear, the clamping gears are rotatably connected in the two articulated seats, and clamping rods are connected to the two clamping gears, a first motor is installed at the bottom of the support plate through the mounting plate, the output end of the first motor is fixedly connected to a power gear, the bottom end of the support plate passes through the base plate and is connected to a fixed rod, a second motor is installed on the fixed rod, the output end of the second motor is connected to a moving gear, the bottom end of the base plate is connected to a moving toothed belt, and the top end of the base plate is slidably connected to a grinding mechanism.

[0004] After searching the above patent, it was found that the drill bit grinding was processed, but the device failed to handle the maintenance of the drill bit after grinding, resulting in foreign matter remaining on the surface of the drill bit after grinding. At the same time, the surface of the drill bit is easily corroded and oxidized, thereby reducing the service life of the drill bit. Utility Model Content

[0005] The utility model aims to provide a drill bit grinding and maintenance device, which can facilitate the grinding and maintenance of the drill bit, so as to solve the problem that it is inconvenient to grind and maintain the drill bit in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A drill bit grinding and maintenance device comprises a shell, a movable block is slidably connected inside the shell, a plate is rotatably connected to the upper end of the movable block, two clamping plates are slidably connected to the upper end of the plate, a hydraulic cylinder is fixedly connected to the upper end of the shell, a movable plate is slidably connected to the top of the shell, the output end of the hydraulic cylinder is fixedly connected to the upper end of the movable plate, grinding discs are fixedly connected to the inner walls on both sides of the movable plate, a cavity is provided inside the shell, a plurality of through holes are equidistantly provided on the inner wall of the shell, the through holes are connected to the cavity, two partition curtains are fixedly connected to the top of the shell, and the two partition curtains are respectively located on both sides of the cavity; a circular plate, the circular plate is provided at the top of the shell, a motor three is fixedly connected to the upper end of the shell, the output end of the motor three is fixedly connected to the upper end of the circular plate, two brushes are rotatably connected to the lower end of the circular plate, and a sealing door is rotatably connected to the side wall of the shell.

[0008] Preferably, the shell side wall is fixedly connected to a motor 1, the shell is rotatably connected to a screw rod, the end of the screw rod is fixedly connected to an output end of the motor 1, the shell is fixedly connected to an auxiliary rod, the screw rod is threadably rotatably connected to a movable block, and the auxiliary rod is slidably connected to the movable block.

[0009] Preferably, the movable block is fixedly connected with a second motor inside, the output end of the second motor is fixedly connected to the lower end of the plate, the plate is rotatably connected with a rotating rod inside, and the clamping plate is rotatably connected to the rotating rod through a thread.

[0010] Preferably, a liquid storage cavity is provided inside the lower end of the shell, a water pump is fixedly connected inside the liquid storage cavity, a connecting pipe is connected between the water pump output end and the cavity, an air pump is fixedly connected to the upper end of the shell, a pipeline is connected between the air pump output end and the cavity.

[0011] Preferably, a notch is provided at the bottom of the shell, the lower end of the notch is communicated with the upper end of the liquid storage cavity, and a filter is fixedly connected to the inside of the notch.

[0012] Preferably, a hole groove is provided at the top of the shell, and a plurality of latch teeth are distributed in a circular array on the inner wall of the hole groove. The circular plate is rotatably connected to the hole groove, and two gears are rotatably connected inside the circular plate. The gears are meshed with the latch teeth, and the lower end of the gear is fixedly connected to the upper end of the brush.

[0013] Compared with the prior art, the advantages of the utility model are:

[0014] 1. The operator places the drill bit on the upper end of the plate, and rotates the rotating rod to make the two clamps slide relative to each other to clamp and fix the drill bit, with the grinding part of the drill bit facing upward. After the drill bit is fixed, the motor 1 drives the screw to rotate, so that the movable block drives the drill bit to move inside the shell, and moves the drill bit to the bottom of the movable plate. The movable plate is moved downward by the hydraulic cylinder, so that the surface of the grinding disk fits the grinding part of the drill bit, and the motor 2 drives the plate to rotate, so that the rotating plate drives the drill bit to rotate, and the drill bit is ground, which is convenient for grinding the drill bit.

[0015] 2. The water flow inside the liquid storage chamber is input into the cavity through the water pump and the connecting pipe, and the water flow is sprayed out through multiple through holes to clean the surface of the drill bit to avoid foreign matter remaining on the surface of the drill bit. After the drill bit is cleaned, the valves inside the water pump and the connecting pipe are closed, and the valves inside the air pump and the pipeline are opened. The air flow is input into the cavity through the air pump and the pipeline, and the air flow is sprayed out through multiple through holes to blow away the water stains on the surface of the drill bit to avoid a large amount of water stains remaining on the surface of the drill bit after cleaning, which causes the drill bit to rust, thereby facilitating the cleaning and maintenance of the drill bit.

[0016] 3. The circular plate is driven to rotate by motor 3. Through the cooperation between the gear and the card tooth, when the circular plate rotates, the gear drives the brush to rotate, so that the two rotating brushes apply lubricating oil to the surface of the drill bit to prevent the drill bit from being damaged by corrosion and oxidation, thereby further extending the service life of the drill bit. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a schematic diagram of the external structure of a drill bit grinding and maintenance device.

[0018] Figure 2 The utility model is a front sectional structural schematic diagram of a drill bit grinding and maintenance device.

[0019] Figure 3 The utility model is a schematic diagram of a top view and a cross-sectional structure of a drill bit grinding and maintenance device.

[0020] Figure 4 The utility model is a side sectional structural schematic diagram of a drill bit grinding and maintenance device.

[0021] In the figure: 1 housing, 2 motor 1, 3 screw, 4 auxiliary rod, 5 movable block, 6 motor 2, 7 plate, 8 clamping plate, 9 rotating rod, 10 hydraulic cylinder, 11 movable plate, 12 grinding disc, 13 liquid storage chamber, 14 notch, 15 filter, 16 water pump, 17 chamber, 18 through hole, 19 connecting pipe, 20 air pump, 21 partition curtain, 22 hole groove, 23 latch gear, 24 motor 3, 25 round plate, 26 gear, 27 brush, 28 sealing door. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-4 A drill bit grinding and maintenance device comprises a shell 1, a movable block 5 is slidably connected inside the shell 1, a plate 7 is rotatably connected to the upper end of the movable block 5, two clamping plates 8 are slidably connected to the upper end of the plate 7, a hydraulic cylinder 10 is fixedly connected to the upper end of the shell 1, a movable plate 11 is slidably connected to the top of the shell 1, the output end of the hydraulic cylinder 10 is fixedly connected to the upper end of the movable plate 11, and grinding discs 12 are fixedly connected to the inner walls of both sides of the movable plate 11, a cavity 17 is arranged inside the shell 1, and a plurality of through holes 18 are equidistantly arranged on the inner wall of the shell 1, and the through holes 18 are connected to the cavity 17 , two partition curtains 21 are fixedly connected to the top of the shell 1, and the two partition curtains 21 are respectively located on both sides of the cavity 17; a circular plate 25, the circular plate 25 is arranged on the top of the shell 1, the upper end of the shell 1 is fixedly connected to a motor 3 24, the output end of the motor 3 24 is fixedly connected to the upper end of the circular plate 25, the lower end of the circular plate 25 is rotatably connected to two brushes 27, and the side wall of the shell 1 is rotatably connected to a sealing door 28. The operator places the drill bit on the upper end of the plate 7, and clamps and fixes it through two relatively sliding clamps 8. After the drill bit is fixed, the drill bit is driven into the movable block 5. The drill bit is moved to the bottom of the movable plate 11, and the movable plate 11 is moved downward by the hydraulic cylinder 10, so that the surface of the grinding disc 12 fits the grinding position of the drill bit, and the inner walls on both sides of the movable plate 11 are inclined. The two grinding discs 12 form an angle of the grinding position of the drill bit, and the drill bit is driven to rotate by the rotating plate 7, so as to grind the drill bit. After the drill bit is ground, the movable block 5 drives the drill bit to move and moves the drill bit to the position of the through hole 18. Water flows inside the cavity 17, and the water flows out through multiple through holes 18, so as to clean the surface of the drill bit. After the drill bit is cleaned, air flows inside the cavity 17 and is ejected through a plurality of through holes 18, thereby blowing away water stains on the surface of the drill bit. After the drill bit is cleaned, the drill bit moves between two brushes 27, the surfaces of the two brushes are coated with lubricating oil, so that the two rotating brushes 27 apply lubricating oil to the surface of the drill bit. The partition curtain 21 is made of rubber material, so that when the drill bit contacts the partition curtain 21 during movement, the partition curtain 21 will not cause damage to the drill bit. At the same time, the partition curtain 21 can isolate water vapor to prevent water vapor from contacting the brush 27 and the grinding disc 12.

[0024] A motor 2 is fixedly connected to the side wall of the shell 1, a screw rod 3 is rotatably connected inside the shell 1, the end of the screw rod 3 is fixedly connected to the output end of the motor 2, an auxiliary rod 4 is fixedly connected inside the shell 1, the screw rod 3 is threadedly rotatably connected to the movable block 5, the auxiliary rod 4 is slidably connected to the movable block 5, the screw rod 3 is driven to rotate by the motor 2, so that the movable block 5 slides inside the shell 1, and the movable block 5 is assisted in sliding by the auxiliary rod 4.

[0025] The movable block 5 is fixedly connected with a motor 2 6 inside, and the output end of the motor 2 6 is fixedly connected to the lower end of the plate 7. The plate 7 is rotatably connected with a rotating rod 9 inside, and the clamping plate 8 is threadedly rotatably connected to the rotating rod 9. The plate 7 is driven to rotate by the motor 2 6. The side wall of the rotating rod 9 is provided with positive and negative threads, and the two clamping plates 8 correspond to the positive and negative threads. When the rotating rod 9 rotates, the two clamping plates 8 slide relative to each other.

[0026] A liquid storage chamber 13 is provided inside the lower end of the shell 1, and a water pump 16 is fixedly connected to the inside of the liquid storage chamber 13, and a connecting pipe 19 is connected between the output end of the water pump 16 and the cavity 17. An air pump 20 is fixedly connected to the upper end of the shell 1, and a pipeline is connected between the output end of the air pump 20 and the cavity 17. The water flow inside the liquid storage chamber 13 is input into the cavity 17 through the water pump 16 and the connecting pipe 19, and the air flow is input into the cavity 17 through the air pump 20 and the pipeline. Valves are installed inside the connecting pipe 19 and the pipeline.

[0027] A slot 14 is provided at the bottom of the shell 1, the lower end of the slot 14 is connected to the upper end of the liquid storage chamber 13, and a filter screen 15 is fixedly connected to the inside of the slot 14. The water flow after the drill bit is cleaned flows into the liquid storage chamber 13 through the slot 14, and the reflux water flow is filtered by the filter screen 15.

[0028] A hole groove 22 is provided at the top of the shell 1, and a plurality of latch teeth 23 are distributed in a circular array on the inner wall of the hole groove 22. A circular plate 25 is rotatably connected to the hole groove 22. Two gears 26 are rotatably connected inside the circular plate 25. The gear 26 is meshed with the latch teeth 23. The lower end of the gear 26 is fixedly connected to the upper end of the brush 27. Through the cooperation between the gear 26 and the latch teeth 23, when the circular plate 25 rotates, the gear 26 drives the brush 27 to rotate. The brush 27 is set to be in a cylindrical shape.

[0029] In the utility model, the operator places the drill bit on the upper end of the plate 7, and rotates the rotating rod 9 so that the two clamping plates 8 slide relative to each other to clamp and fix the drill bit, with the grinding part of the drill bit facing upward. After the drill bit is fixed, the motor 1 2 drives the screw 3 to rotate, so that the movable block 5 drives the drill bit to move inside the shell 1, and moves the drill bit to the bottom of the movable plate 11. The movable plate 11 is moved downward by the hydraulic cylinder 10, so that the surface of the grinding disk 12 fits the grinding part of the drill bit, and the motor 2 6 drives the plate 7 to rotate, so that the rotating plate 7 drives the drill bit to rotate, thereby grinding the drill bit.

[0030] After the drill bit is polished, the side wall of the polishing disc 12 is separated from the polishing position of the drill bit, and the drill bit is driven to move by the movable block 5 to move the drill bit between the multiple through holes 18, and the water flow inside the liquid storage chamber 13 is input into the cavity 17 through the water pump 16 and the connecting pipe 19, and the water flow is sprayed out through the multiple through holes 18, thereby cleaning the surface of the drill bit to avoid foreign matter remaining on the surface of the drill bit. After the drill bit is cleaned, the internal valves of the water pump 16 and the connecting pipe 19 are closed, and the air pump 20 and the internal valves of the pipeline are opened, and the air flow is input into the cavity 17 through the air pump 20 and the pipeline, and the air flow is sprayed out through the multiple through holes 18, thereby blowing away the water stains on the surface of the drill bit to avoid a large amount of water stains remaining on the surface of the drill bit after cleaning, which causes the drill bit to rust.

[0031] After the drill bit is cleaned and contacted, the drill bit is driven to move by the movable block 5, and the drill bit is moved between the two brushes 27. The circular plate 25 is driven to rotate by the motor 3 24. Through the cooperation between the gear 26 and the latch 23, when the circular plate 25 rotates, the gear 26 drives the brush 27 to rotate, so that the two rotating brushes 27 apply lubricating oil to the surface of the drill bit.

[0032] 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 drill bit grinding and maintenance device, characterized in that: include A shell (1), wherein a movable block (5) is slidably connected inside the shell (1), a plate (7) is rotatably connected to the upper end of the movable block (5), two clamping plates (8) are slidably connected to the upper end of the plate (7), a hydraulic cylinder (10) is fixedly connected to the upper end of the shell (1), a movable plate (11) is slidably connected to the top of the shell (1), an output end of the hydraulic cylinder (10) is fixedly connected to the upper end of the movable plate (11), both inner walls of the movable plate (11) are fixedly connected to grinding discs (12), a cavity (17) is provided inside the shell (1), a plurality of through holes (18) are equidistantly provided on the inner wall of the shell (1), the through holes (18) are connected to the cavity (17), two partition curtains (21) are fixedly connected to the top of the shell (1), and the two partition curtains (21) are respectively located on both sides of the cavity (17); A circular plate (25), the circular plate (25) being arranged at the top of the shell (1), the upper end of the shell (1) being fixedly connected to a motor three (24), the output end of the motor three (24) being fixedly connected to the upper end of the circular plate (25), the lower end of the circular plate (25) being rotatably connected to two brushes (27), and the side wall of the shell (1) being rotatably connected to a sealing door (28).

2. A drill bit grinding and maintenance device according to claim 1, characterized in that: The side wall of the shell (1) is fixedly connected to a motor 1 (2), the shell (1) is internally rotatably connected to a screw rod (3), the end of the screw rod (3) is fixedly connected to an output end of the motor 1 (2), the shell (1) is internally fixedly connected to an auxiliary rod (4), the screw rod (3) is threadedly rotatably connected to a movable block (5), and the auxiliary rod (4) is slidably connected to the movable block (5).

3. A drill bit grinding and maintenance device according to claim 1, characterized in that: The movable block (5) is fixedly connected to a second motor (6) inside, the output end of the second motor (6) is fixedly connected to the lower end of the plate (7), the plate (7) is rotatably connected to a rotating rod (9), and the clamping plate (8) is rotatably connected to the rotating rod (9) by means of a thread.

4. A drill bit grinding and maintenance device according to claim 1, characterized in that: A liquid storage chamber (13) is provided inside the lower end of the shell (1), a water pump (16) is fixedly connected inside the liquid storage chamber (13), a connecting pipe (19) is connected between the output end of the water pump (16) and the chamber (17), and an air pump (20) is fixedly connected to the upper end of the shell (1), a pipeline is connected between the output end of the air pump (20) and the chamber (17).

5. A drill bit grinding and maintenance device according to claim 1, characterized in that: The bottom of the shell (1) is provided with a notch (14), the lower end of the notch (14) is communicated with the upper end of the liquid storage chamber (13), and a filter screen (15) is fixedly connected inside the notch (14).

6. A drill bit grinding and maintenance device according to claim 1, characterized in that: A hole groove (22) is arranged at the top of the shell (1), and a plurality of latch teeth (23) are arranged in a circular array on the inner wall of the hole groove (22). The circular plate (25) is rotatably connected to the hole groove (22), and two gears (26) are rotatably connected inside the circular plate (25). The gears (26) are meshed with the latch teeth (23), and the lower end of the gear (26) is fixedly connected to the upper end of the brush (27).

Citation Information

Patent Citations

  • Polishing device for drill bit manufacturing

    CN217096938U