High temperature resistant drill bit

Abstract

The application discloses a high-temperature-resistant drill bit, and relates to the field of tools, which comprises a working part, a cooling part, a fan and a clamping part. The working part is arranged at the end of the high-temperature-resistant drill bit and is in contact with a fixed workpiece. The cooling part is connected with the working part. The cooling part is internally provided with a spiral channel. The spiral channel is provided with openings at two ends. The fan and the clamping part are connected with the cooling part. When an operator uses the high-temperature-resistant drill bit to work, the heat generated by the working part is conducted to the cooling part. The spiral channel is provided with openings at two ends. The rotation generates high-speed airflow to cool the working part. In the working process, the fan rotates with the drill bit to generate airflow away from the working part to take away the heat, so that the safety of the drill bit is ensured, and the problems in the prior art are effectively solved. The high-temperature-resistant drill bit has the characteristics of intrinsic safety and high working efficiency.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of tools, and particularly relates to a high-temperature-resistant drill bit. BACKGROUND

[0002] In the oil and gas field operation site or the work of workers, drilling is often used to process parts. However, the common drill bit in the prior art is easy to operate, but it is damaged by high temperature when rotating at high speed. In the prior art, the high-temperature-resistant drill bit is used, the spiral groove rotates at high speed, drives the air blower to blow air, forms a hot air flow, and carries away part of the heat from the drill hole. Since the hole is a straight hole and the cooling effect of the hot air flow is not good, the drill bit is replaced frequently, which is easy to cause injury, is not safe and cannot meet the use requirements. SUMMARY

[0003] In order to overcome the shortcomings of the prior art, the purpose of the present application is to provide a high-temperature-resistant drill bit to solve the technical problems of the prior art that the cooling effect of the hot air flow of the high-temperature-resistant drill bit is not good, the drill bit is replaced frequently, and injury is easy to cause.

[0004] In order to achieve the above purpose, the present application adopts the following technical scheme:

[0005] A high-temperature-resistant drill bit, comprising: a working part, a cooling part, a fan, a clamping part and a spiral hole;

[0006] One end of the cooling part is fixed with the clamping part, the other end is connected with the working part, the clamping part is connected with the electric drill, and the cooling part is also provided with a fan at one end connected with the clamping part. The fan is located below the cooling part, and a spiral hole is also provided in the cooling part.

[0007] Preferably, the spiral hole is spirally extended along the axis of the cooling part inside the cooling part, and the spiral hole is provided with a first opening and a second opening at both ends respectively.

[0008] Preferably, the first opening and the second opening are tangentially opened along the radial direction of the columnar cooling part.

[0009] Preferably, the fan blade is not less than two pieces.

[0010] Preferably, the fan is externally provided with an axial flow fan cover, and the axial flow fan cover is fixed on the clamping part.

[0011] Preferably, the axial flow fan cover is fixed to the clamping part through the axial flow fan cover pull bar.

[0012] Preferably, the axial flow fan cover pull bar is symmetrically arranged on the axial flow fan cover and fixed to the clamping part.

[0013] Preferably, the axial flow fan cover pull bar is not less than two.

[0014] Preferably, the radial dimension of the cooling part is not less than the radial dimension of the working part.

[0015] Preferably, the cross section of the spiral channel is circular or rectangular or triangular.

[0016] Compared with the prior art, the application has the following beneficial effects:

[0017] The application discloses a high-temperature-resistant drill bit, which comprises a working part, a cooling part, a fan, a clamping part and a spiral channel. When an operator uses the high-temperature-resistant drill bit, the heat generated by the working part is conducted to the cooling part, the spiral channel rotates to generate high-speed airflow to cool the working part, the fan rotates with the drill bit to generate airflow away from the working part to take away the heat, and the safety of the drill bit is ensured. The high-temperature-resistant drill bit has the characteristics of intrinsic safety and high working efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a front view of the application;

[0019] Figure 2 is a top view of the application;

[0020] Figure 3 is a front view of another fan type of the application;

[0021] Figure 4 is a top view of another fan type of the application;

[0022] Figure 5 is a top view of the 4-axial-flow-fan-cover-pull-rib of the application;

[0023] Figure 6 is a top view of the 6-axial-flow-fan-cover-pull-rib of the application.

[0024] Wherein: 1-working part; 2-cooling part; 3-opening; 4-opening; 5-fan; 6-rotation direction; 7-drill; 8-workpiece; 9-clamping part; 10-spiral channel; 11-axial-flow-fan-cover; 12-axial-flow-fan-cover-pull-rib. DETAILED DESCRIPTION

[0025] In the following, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative effort should fall within the protection scope of the present application.

[0026] It should be noted that the terms "first", "second", and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or a chronological sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product, or device including a series of steps or units does not necessarily have to be limited to the clearly listed steps or units, but can include other steps or units not clearly listed or inherent to the process, method, product, or device.

[0027] The present application will be described in further detail below with reference to the drawings:

[0028] In the oil and gas field operation site or the work of the worker, a hole processing piece is often drilled, and a drill bit is often used. In the prior art, the commonly used drill bit is convenient to operate during use, but has the problems of high temperature damage to the drill bit during high-speed rotation, and the existing high-temperature-resistant drill bit has the problems of high-speed rotation of the spiral groove, driving of the air blower to blow air, formation of a hot gas flow, and removal of part of the heat from the drill bit hole. Since the hole is a straight hole and the cooling effect of the hot gas flow is not good, the drill bit is frequently replaced, which is easy to cause injury, is not safe, and cannot meet the use requirements.

[0029] The existing high-temperature-resistant drill bit has the problems of high-speed rotation of the spiral groove, driving of the air blower to blow air, formation of a hot gas flow, and removal of part of the heat from the drill bit hole. Since the hole is a straight hole and the cooling effect of the hot gas flow is not good, the drill bit is frequently replaced, which is easy to cause injury, is not safe, and cannot meet the use requirements.

[0030] The present application aims to provide a high-temperature-resistant drill bit to solve the technical problems of poor cooling effect of the hot gas flow of the high-temperature-resistant drill bit in the prior art, frequent replacement of the drill bit, and easy injury. The specific solutions are as follows:

[0031] The application discloses a high-temperature-resistant drill bit, which comprises a working part 1, a cooling part 2, a fan 5, a clamping part 9 and a spiral hole 10.

[0032] The working part 1 is arranged at the end of the high-temperature-resistant drill bit and is in contact with a fixed workpiece; the cooling part 2 is connected with the working part 1 and is internally provided with the spiral hole 10; the centrifugal force generated by the spiral hole 10 can conduct the heat generated by the working part 1 to the cooling part 2 as soon as possible for cooling; the fan 5 and the clamping part 9 are connected with the cooling part 2; when an operator uses the high-temperature-resistant drill bit, the heat generated by the working part 1 is conducted to the cooling part 2, the spiral hole 10 rotates to generate high-speed airflow for cooling the working part 1, and the fan 5 rotates with the drill bit to generate airflow away from the working part 1 to take away the heat, so that the safety of the drill bit is ensured and the problems in the prior art are effectively solved. The high-temperature-resistant drill bit has the characteristics of intrinsic safety and high working efficiency.

[0033] As a preferred scheme, the spiral hole 10 is arranged inside the cooling part 2 and spirally extends along the axis of the cooling part 2, and the spiral hole 10 is provided with a first opening 3 and a second opening 4 at two ends respectively.

[0034] Further preferably, the first opening 3 and the second opening 4 are arranged in a radial tangential direction of the columnar cooling part 2, which is beneficial to form an environmental cooling airflow.

[0035] As a preferred scheme, the spiral hole 10 is located between the axis of the cooling part 2 and the outer surface of the columnar cooling part, preferably, the stress intensity of the middle uniform part is optimal, and the rigidity can be reliably ensured.

[0036] As a preferred scheme, the fan 5 has not less than two blades; the fan 5 is externally provided with an axial flow fan cover 11, and the axial flow fan cover 11 is fixed to the clamping part 9.

[0037] Further preferably, the axial flow fan cover 11 is fixed to the clamping part 9 through an axial flow fan cover puller 12. The axial flow fan cover puller 12 is symmetrically arranged on the axial flow fan cover 11 and is fixed to the clamping part 9.

[0038] Further preferably, the axial flow fan cover puller 12 is not less than two.

[0039] As a preferred scheme, the radial dimension of the cooling part 2 is not less than the radial dimension of the working part 1.

[0040] As a preferred scheme, the cross section of the spiral hole 10 is circular, rectangular or triangular.

[0041] The worker uses a high-temperature-resistant drill bit to work, the heat generated by the working part 1 is conducted to the cooling part 2, the helical channel 10 has a first opening 3 and a second opening 4 at both ends, and the high-speed helical airflow generated in the rotating direction 6 cools the working part 1. Further, the working part 1, the cooling part 2, the fan 5 and the clamping part 9 are sequentially connected, and when in use, the heat generated by the working part 1 can be conducted to the cooling part, the helical channel 10 has openings at both ends, and the high-speed airflow generated by rotation cools the working part 1. During the operation, the fan 5 rotates with the drill bit to generate an airflow away from the working part 1 to carry away the heat, the clamping part 9 has a constant temperature, and is fixed firmly. The fan 5 rotates with the drill bit in the rotating direction 6 to generate an airflow away from the working part 1, which blows towards the motor direction of the electric drill 7, so as to cool the motor and ensure the normal operation of the equipment.

[0042] As shown in Figure 1 , Figure 2 The high-temperature-resistant drill bit provided by the present application has the characteristics of intrinsic safety and high working efficiency.

[0043] Specifically, the working part 1, the cooling part 2, the fan 5 and the clamping part 9 are sequentially connected, and when in use, the heat generated by the working part 1 can be conducted to the cooling part 2, the helical channel 10 has a first opening 3 and a second opening 4 at both ends, and the high-speed helical airflow generated in the rotating direction 6 cools the working part 1. Further, the fan 5 rotates with the drill bit to generate an airflow away from the working part 1 to carry away the heat, the clamping part 9 has a constant temperature, and is fixed firmly.

[0044] Specifically, the fan 5 rotates with the drill bit in the rotating direction 6 to generate an airflow away from the working part 1, which blows towards the motor direction of the electric drill 7, so as to cool the motor and ensure the normal operation of the equipment.

[0045] In this embodiment of the invention, when using the high-temperature resistant drill bit, the cooling section 2 has a spiral channel 10. The spiral channel 10 extends axially along the cylindrical cooling section 2, and its cross-section is circular, but it can also be other shapes. The spiral channel 10 has a first opening 3 and a second opening 4 at both ends, and the first opening 3 and the second opening 4 are holes opened along the radial tangent direction of the cylindrical cooling section 2. The fan 5 and the clamping part 9 are connected to the cooling section 2, and the fan 5 can have two, three, or four blades.

[0046] like Figure 2 As shown, in a specific implementation, the cooling section 2 has a spiral channel 10, which extends along the axial direction of the cylindrical cooling section 2. The cross-section of the spiral channel 10 is circumferential, but it can also be other shapes.

[0047] Specifically, the spiral channel 10 has a first opening 3 and a second opening 4 at both ends. The rotation direction 6 generates a high-speed airflow to cool the working part 1. The high-speed airflow enters from the opening 3 and exits from the opening 4. During operation, the fan 5 generates airflow away from the working part 1 along with the rotation direction 6 of the drill bit, which carries away the heat.

[0048] like Figure 1 , Figure 2 As shown, in a specific implementation, the cooling section 2 has a spiral channel 10, which extends axially along the cylindrical cooling section 2, and the axial extension length should preferably not exceed the length of the cooling section.

[0049] Specifically, the spiral channel 10 is disposed inside the cylindrical cooling section 2 near the axis, which can ensure the strength of the cooling section 2.

[0050] like Figure 1 , Figure 2 As shown, in a specific implementation, the working part 1, cooling part 2, fan 5 and clamping part 9 are connected in sequence. When in use, the heat generated by the working part 1 can be conducted to the cooling part 2. The spiral channel 10 has a first opening 3 and a second opening 4 at both ends. The rotation direction 6 generates a high-speed airflow to cool the working part 1. During operation, the fan 5 generates an airflow away from the working part 1 along with the rotation direction 6 of the drill bit to carry away the heat. The clamping part 9 has a constant temperature and is firmly fixed.

[0051] Specifically, fan 5 generates airflow away from the working part 1 in the direction of drill bit rotation 6, which blows towards the electric drill 7 motor to cool the motor and ensure normal operation of the equipment.

[0052] like Figure 2 , Figure 4 As shown, in a specific implementation, the aforementioned high-temperature resistant drill bit may have two, three, or four fan blades.

[0053] likeFigures 3-6 In the specific implementation, the high-temperature-resistant drill bit has the fan blade 5 outside the axial flow fan cover 11, the axial flow fan cover 11 is fixedly connected with the clamping part 9 through the axial flow fan cover pull bars 12, and the axial flow fan cover pull bars 12 are symmetrically arranged at least in two, and can also be symmetrically arranged in three, four, five, six or the like.

[0054] Specifically, in the operation process, the fan 5 generates an airflow away from the working part 1 along the rotation direction 6 of the drill bit, which is more powerful, has a better cooling effect, and has a safety protection effect.

[0055] In the prior art, when the high-temperature-resistant drill bit is operated, the spiral groove rotates at a high speed, drives the air blower to blow air, and forms a hot air flow that is discharged from the drill bit hole to carry away part of the heat. Since the hole is a straight hole and the cooling effect of the hot air flow is not good, the drill bit is a working part, and is subjected to a huge stress and pressure during operation, and the working environment is harsh. The hollow design in the prior art reduces the service life.

[0056] The high-temperature-resistant drill bit disclosed by the application is provided with a first opening 3 and a second opening 4 at two ends of a spiral hole channel, the first opening 3 and the second opening 4 are opened along the radial tangent direction of a columnar cooling part 2, and an environmental cooling air flow is formed.

[0057] The spiral hole channel 10 is arranged inside the cooling part 2 and spirally extends along the axis of the cooling part 2. The cooling channel is much longer than the hollow channel designed in the prior art. The centrifugal force generated by the spiral hole channel 10 can quickly cool the heat generated by the working part 1 when the heat is conducted to the cooling part 2.

[0058] The radial dimension of the cooling part 2 is not less than the radial dimension of the working part 1, and the radial dimension of the cooling part 2 can be thickened to increase the strength and facilitate processing.

[0059] The cross section of the spiral hole channel 10 is circular, rectangular or triangular.

[0060] The spiral hole channel 10 is located between the axis of the cooling part 2 and the outer surface of the columnar cooling part, preferably the middle uniform part has the best stress intensity and can reliably ensure the rigidity.

[0061] The application discloses a high-temperature-resistant drill bit, which comprises a working part 1, a cooling part 2, a fan 5, a clamping part 9 and a spiral hole 10; the working part 1 is arranged at the end of the high-temperature-resistant drill bit and is in contact with a fixed machining part 8; the cooling part 2 is connected with the working part 1; the spiral hole 10 is arranged in the cooling part 2; the spiral hole 10 has openings at two ends; the fan 5 and the clamping part 9 are connected with the cooling part 2; when an operator uses the high-temperature-resistant drill bit to work, the heat generated by the working part 1 is conducted to the cooling part 2; the spiral hole 10 rotates to generate high-speed airflow to cool the working part 1; the fan 5 rotates with the drill bit to generate airflow away from the working part 1 to take away the heat during the working process, so that the safety of the drill bit is ensured, and the problems in the prior art are effectively solved.

[0062] The above content only illustrates the technical idea of the application and cannot be used to limit the protection scope of the application; any modification made according to the technical idea of the application on the basis of the technical scheme falls within the protection scope of the claims of the application.

Claims

1. A high temperature resistant drill bit, characterized by, Include: Working part (1), cooling part (2), fan (5), clamping part (9) and spiral channel (10); One end of the cooling part (2) is fixed with the clamping part (9), the other end is connected with the working part (1), the clamping part (9) is connected with the electric drill (7), and the cooling part (2) is also provided with the fan (5) at the end connected with the clamping part (9). The fan (5) is located below the cooling part (2) inside which a spiral channel (10) is also provided; the spiral channel (10) is provided in the cooling part (2) and extends along the axis of the cooling part (2), and the two ends of the spiral channel (10) are respectively provided with the first opening (3) and the second opening (4); the first opening (3) and the second opening (4) are tangentially cut along the radial direction of the columnar cooling part (2).

2. The high temperature resistant drill bit of claim 1, wherein, The fan (5) has not less than two blades.

3. The high temperature resistant drill bit of claim 1, wherein, The fan (5) is externally sleeved with an axial flow fan cover (11), and the axial flow fan cover (11) is fixed on the clamping part (9).

4. The high temperature resistant drill bit of claim 3, wherein, The axial flow fan cover (11) is fixed with the clamping part (9) through the axial flow fan cover puller (12).

5. The high temperature resistant drill bit of claim 4, wherein, The axial flow fan cover puller (12) is symmetrically arranged on the axial flow fan cover (11) and fixed with the clamping part (9).

6. The high temperature resistant drill bit of claim 4, wherein, The axial flow fan cover puller (12) is not less than two.

7. The high temperature resistant drill bit of claim 1, wherein, The radial dimension of the cooling part (2) is not less than the radial dimension of the working part (1).

8. The high temperature resistant drill bit of claim 1, wherein, The cross section of the spiral channel (10) is circular or rectangular or triangular.

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