Ball-tooth drill bit with protective structure

Abstract

The utility model relates to the technical field of drill bit equipment, and discloses a button drill bit with a protective structure, which comprises a protective device, a main body device is arranged in the middle of the protective device, the protective device comprises a shell, and a spring is fixedly connected to the lower end of the shell. According to the button drill bit with the protection structure, when the drill bit works, the upper end of the shell abuts against materials, a spring is driven to be compressed, a supporting plate is fixed to a main body device at the lower end of the drill bit, the shell is supported and limited, the drainage pipe is communicated with a water source, water supply operation is conducted, and water is sprayed out through a drainage hole of the drainage pipe; and the motor is started, the motor drives the gear to rotate, the gear drives the rotating ring to rotate, the rotating ring drives the scraping plate to rotate, the inner side wall of the shell is scraped, the cleaning effect is further improved, and therefore the effects that chippings are prevented from splashing, safety is improved, and cleaning is convenient are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of drill bit equipment, in particular to a ball-tooth drill bit with a protective structure. Background Art

[0002] The ball-tooth drill bit is a commonly used cutting tool with sharp cutting edges, high wear resistance and high strength. It is widely used in milling, turning and drilling processes, mainly for the processing and cutting of materials such as steel and metal. The ball-tooth drill bit uses three spherical teeth of large, medium and small to cut alternately, which can effectively improve the processing efficiency and processing accuracy.

[0003] According to the Chinese patent announcement number CN 219528929 U, a ball-tooth drill bit with a protective structure is disclosed, which raises the problem that the ball-tooth drill bit is easily affected by hard rocks and causes damage when working. The patent adds a protective support ring to the rear end of the drill bit and installs a cross support rod between the drill bit and the support ring. When the drill bit is working, it rotates inside the support ring. When it encounters hard rocks, it will produce a certain amount of shaking and deviation. The support ring helps the drill bit to maintain stability, reduces the impact of deviation on the drill bit, and makes the plane produced by rock drilling more stable. However, when the drill bit is cutting, a large amount of debris will be splashed, which is easy to cause harm to people around.

[0004] To this end, we have proposed a ball-tooth drill bit with a protective structure to solve the problem of debris splashing and safety risks when the above-mentioned device is used. Utility Model Content

[0005] The utility model aims to provide a ball-tooth drill bit with a protective structure to solve the problem of debris splashing and safety risks when the above-mentioned device is used as mentioned in the background art.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a ball-tooth drill bit with a protective structure, comprising a protective device, wherein a main body device is provided in the middle of the protective device;

[0007] The protective device includes a shell, the lower end of the shell is fixedly connected to a spring, the lower end of the spring is fixedly connected to a support plate, the lower end of the shell is fixedly connected to a motor, the upper end of the motor is fixedly connected to a gear, the outer surface of the gear is meshed with a swivel, the upper end of the swivel is fixedly connected to a scraper, and the inner bottom of the shell is fixedly connected to a drain pipe.

[0008] Preferably, the main device includes a drill bit body, a conical tip rotor is provided in the middle part of the upper end of the drill bit body, a main ball tooth is fixedly connected to the inner side of the upper end of the drill bit body, an outer ball tooth is fixedly connected to the outer side of the upper end of the drill bit body, a protective ring is provided on the outer surface of the drill bit body, an inclined surface is provided at the front end of the protective ring, and a material guide groove is provided on the outer surface of the protective ring.

[0009] Preferably, the shell is made of transparent material, and a telescopic rod is provided in the middle of the spring.

[0010] Preferably, the output end of the motor passes through the shell and is rotatably connected to the shell, the outer surface of the rotating ring is rotatably connected to the shell, and a plurality of scrapers are provided, and the scrapers are in contact with the inner wall of the shell.

[0011] Preferably, the drain pipe is configured as an annular structure, and a plurality of drain holes are provided on the outer side of the upper end of the drain pipe.

[0012] Preferably, the drill bit body is located in the middle of the shell, the middle of the shell is provided with an opening matched with the drill bit body, and the main ball teeth are smaller in size than the outer ball teeth.

[0013] Preferably, the inclined surface arranged at the upper end of the protective ring gradually increases from top to bottom, and an elastic block is arranged inside the side wall of the protective ring located at the material guide trough.

[0014] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0015] First, the utility model, when the drill bit is working, the upper end of the shell is pressed against the material, driving the spring to be compressed, and the support plate is fixed to the main equipment at the lower end of the drill bit, which plays a supporting and limiting role for the shell, and the drain pipe is connected to the water source to supply water, and the water is sprayed through the drain hole of the drain pipe to flush the side wall of the shell, and the temperature can also be reduced. Then the motor is started, the motor drives the gear to rotate, the gear drives the swivel to rotate, and the swivel drives the scraper to rotate, and the inner wall of the shell is scraped, thereby further improving the cleaning effect, thereby preventing debris from splashing, increasing safety, and facilitating cleaning.

[0016] Second, in the utility model, the drill bit body is the main structure of the drill bit, and the drill bit body is supported by a protective ring to prevent the drill bit body from being offset when encountering hard materials. When the drill bit is working, the generated debris slides along the side wall of the drill bit body from the inclined surface of the protective ring, enters the material guide groove, and slides out from the material guide groove, thereby achieving the effect of facilitating material discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic cross-sectional view of the structural shell of the utility model;

[0019] Figure 3 The structure of the utility model Figure 1 The enlarged schematic diagram of part A in the middle;

[0020] Figure 4 It is a cross-sectional schematic diagram of the structural protection ring of the utility model.

[0021] Wherein: 1. protective device; 101. shell; 102. spring; 103. support plate; 104. motor; 105. gear; 106. swivel; 107. scraper; 108. drain pipe; 2. main device; 201. drill bit body; 202. cone tip rotor; 203. main ball tooth; 204. outer ball tooth; 205. protective ring; 206. guide trough; 207. elastic block. DETAILED DESCRIPTION

[0022] 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.

[0023] The utility model provides the following technical solutions:

[0024] Embodiment 1

[0025] See also Figure 1-3 A ball-tooth drill bit with a protective structure comprises a protective device 1, wherein a main body device 2 is provided in the middle of the protective device 1;

[0026] The protective device 1 includes a shell 101, a spring 102 is fixedly connected to the lower end of the shell 101, a support plate 103 is fixedly connected to the lower end of the spring 102, a motor 104 is fixedly connected to the lower end of the shell 101, a gear 105 is fixedly connected to the upper end of the motor 104, a swivel 106 is meshed on the outer surface of the gear 105, a scraper 107 is fixedly connected to the upper end of the swivel 106, and a drain pipe 108 is fixedly connected to the inner bottom of the shell 101.

[0027] Through the above technical scheme, when the drill bit is working, the upper end of the shell 101 is pressed against the material, driving the spring 102 to be compressed, and the support plate 103 is fixed to the main equipment at the lower end of the drill bit to support and limit the shell 101. The drain pipe 108 is connected to the water source to supply water, and the water is sprayed through the drainage hole of the drain pipe 108 to flush the side wall of the shell 101. The cooling operation can also be performed, and the motor 104 is started again. The motor 104 drives the gear 105 to rotate, and the gear 105 drives the swivel 106 to rotate, so that the swivel 106 drives the scraper 107 to rotate, and the inner wall of the shell 101 is scraped, thereby further enhancing the cleaning effect, thereby achieving the effect of preventing debris from splashing, increasing safety, and facilitating cleaning.

[0028] Specifically, the housing 101 is made of transparent material, and a telescopic rod is provided in the middle of the spring 102 .

[0029] Through the above technical solution, the shell 101 is made of transparent material, which is convenient for observing the cutting position, and the spring 102 and the telescopic rod cooperate with each other to facilitate the limiting support of the shell 101.

[0030] Specifically, the output end of the motor 104 passes through the shell 101 and is rotatably connected to the shell 101 . The outer surface of the swivel 106 is rotatably connected to the shell 101 . A plurality of scrapers 107 are provided, and the scrapers 107 are in contact with the inner wall of the shell 101 .

[0031] Through the above technical solution, the output shaft of the motor 104 passes through the shell 101 and drives the gear 105 to rotate, so that the gear 105 drives the swivel 106 to rotate, and the shell 101 limits the swivel 106. The scraper 107 fits with the inner wall of the shell 101, which makes it convenient to drive the scraper 107 to rotate through the swivel 106 to scrape off the debris on the inner wall of the shell 101.

[0032] Specifically, the drain pipe 108 is configured as an annular structure, and a plurality of drain holes are disposed on the outer side of the upper end of the drain pipe 108 .

[0033] Through the above technical solution, the drain pipe 108 is set to a ring structure, which is convenient for increasing the flushing range of the inner wall of the shell 101.

[0034] Embodiment 2

[0035] See also Figure 1 , Figure 4, and on the basis of Example 1, it is further obtained that: the main device 2 includes a drill bit body 201, a conical tip rotor 202 is provided in the middle of the upper end of the drill bit body 201, a main ball tooth 203 is fixedly connected to the inner side of the upper end of the drill bit body 201, an outer ball tooth 204 is fixedly connected to the outer side of the upper end of the drill bit body 201, a protective ring 205 is provided on the outer surface of the drill bit body 201, an inclined surface is provided at the front end of the protective ring 205, and a material guide groove 206 is provided on the outer surface of the protective ring 205.

[0036] Through the above technical solution, the drill bit body 201 is the main structure of the drill bit, and the settings of the cone tip rotor 202 and the main ball teeth 203 are existing technologies and will not be elaborated here. The drill bit body 201 is supported by the protective ring 205 to prevent the drill bit body 201 from being offset when encountering hard materials. When the drill bit is working, the generated debris slides along the side wall of the drill bit body 201 from the inclined surface of the protective ring 205, enters the material guide groove 206, and slides out from the material guide groove 206, thereby achieving the effect of facilitating material discharge.

[0037] Specifically, the drill bit body 201 is located in the middle of the housing 101 , and the middle of the housing 101 is provided with an opening adapted to the drill bit body 201 , and the main ball teeth 203 are smaller in size than the outer ball teeth 204 .

[0038] Through the above technical solution, an opening is opened in the middle of the shell 101, which facilitates the drill bit body 201 to pass through the opening to limit the shell 101. The main ball tooth 203 is smaller than the outer ball tooth 204, thereby increasing the impact on the rock.

[0039] Specifically, the inclined surface provided at the upper end of the protection ring 205 gradually increases from top to bottom, and an elastic block 207 is provided inside the side wall of the protection ring 205 located at the material guide groove 206 .

[0040] Through the above technical solution, the protective ring 205 adopts an inclined surface that gradually increases from top to bottom, which can guide the debris. By arranging an elastic block 207 on the inner side of the side wall of the guide groove 206, the toughness of the side wall of the guide groove 206 is enhanced and the service life is extended.

[0041] Although specific embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these specific embodiments without departing from the principles and spirit thereof, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A ball-tooth drill bit with a protective structure, comprising a protective device (1), characterized in that: A main body device (2) is provided in the middle of the protective device (1); The protective device (1) comprises a shell (101), the lower end of the shell (101) is fixedly connected to a spring (102), the lower end of the spring (102) is fixedly connected to a support plate (103), the lower end of the shell (101) is fixedly connected to a motor (104), the upper end of the motor (104) is fixedly connected to a gear (105), the outer surface of the gear (105) is meshed with a rotating ring (106), the upper end of the rotating ring (106) is fixedly connected to a scraper (107), and the inner bottom of the shell (101) is fixedly connected to a drain pipe (108).

2. A ball-tooth drill bit with a protective structure according to claim 1, characterized in that: The main device (2) comprises a drill bit body (201), a cone-tip rotor (202) is provided at the middle of the upper end of the drill bit body (201), a main ball tooth (203) is fixedly connected to the inner side of the upper end of the drill bit body (201), an outer ball tooth (204) is fixedly connected to the outer side of the upper end of the drill bit body (201), a protective ring (205) is provided on the outer surface of the drill bit body (201), an inclined surface is provided at the front end of the protective ring (205), and a material guide groove (206) is provided on the outer surface of the protective ring (205).

3. The ball-tooth drill bit with a protective structure according to claim 1, characterized in that: The housing (101) is made of a transparent material, and a telescopic rod is provided in the middle of the spring (102).

4. The ball-tooth drill bit with a protective structure according to claim 1, characterized in that: The output end of the motor (104) passes through the housing (101) and is rotatably connected to the housing (101); the outer surface of the rotating ring (106) is rotatably connected to the housing (101); a plurality of scrapers (107) are provided, and the scrapers (107) are in contact with the inner wall of the housing (101).

5. The ball-tooth drill bit with a protective structure according to claim 1, characterized in that: The drainage pipe (108) is configured as an annular structure, and a plurality of drainage holes are provided on the outer side of the upper end of the drainage pipe (108).

6. The ball-tooth drill bit with a protective structure according to claim 2, characterized in that: The drill bit body (201) is located in the middle of the shell (101), and an opening matching the drill bit body (201) is provided in the middle of the shell (101), and the main ball tooth (203) is smaller in size than the outer ball tooth (204).

7. The ball-tooth drill bit with a protective structure according to claim 2, characterized in that: The inclined surface arranged at the upper end of the protection ring (205) gradually increases from top to bottom, and an elastic block (207) is arranged inside the side wall of the protection ring (205) located at the material guide groove (206).

Images