High efficiency long life diamond bit

Abstract

The application relates to the technical field of diamond drill bits, and discloses a high-efficiency long-service-life diamond drill bit, which comprises a matrix and a steel body, a plurality of water grooves are formed in the outer side of the matrix, a T-shaped locking port is formed in the top of the matrix, a clamping groove is formed in the rear surface of the matrix, and a plurality of first arc-shaped clamping ports are formed in the inner side of the clamping groove; the height of the matrix is set to 12mm to 18mm, the inner diameter of the matrix is set to 85.3mm, the outer diameter of the matrix is set to 126.5mm, the width of the water groove is set to 10mm, the depth of the water groove is set to 2mm, and the inclination angle of the water groove is set to 8 degrees to 15 degrees; when the device is used, the rotation of the matrix can be followed, the flow stability during the internal cleaning of the water groove can be better maintained, the heat dissipation effect of the cleaning liquid on the matrix can be maintained, the thermal wear of the matrix can be reduced, and the debris can be conveniently discharged through the water groove.

Description

Technical Field

[0001] This invention relates to the field of diamond drill bit technology, specifically to a high-efficiency, long-life diamond drill bit. Background Technology

[0002] Toroidal diamond drill bits are welded to the drill bit body and used to drill and cut brick, cement, reinforced concrete, stone, and sapphire, among other materials. Existing toroidal diamond drill bits only have water channels in their working layer. These channels are used to remove chips during drilling. The water channels are crucial for toroidal diamond drill bits; their efficient removal of chips ensures high utilization of the drill bit and is an important indicator of its performance.

[0003] During drilling, toroidal diamond drill bits experience wear, leading to a gradual decrease in height. This, in turn, reduces the depth and cross-sectional area of ​​the water channel within the working layer. If the water channel is V-shaped, its width also decreases, severely hindering the smooth discharge of cuttings and potentially causing burns or even failure of the drill bit. Furthermore, the disassembly and assembly of the drill bit and the steel body are inconvenient, often requiring the replacement of the entire device if a single component fails. Additionally, the steel body is typically installed on drilling equipment via threaded connections, which can lead to misalignment of the threaded interfaces and the drill bit itself. Therefore, an improved technical solution is needed to address these shortcomings of the existing technology. Summary of the Invention

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this invention provides a high-efficiency, long-life diamond drill bit, solving the problems mentioned in the background.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, the present invention provides the following technical solution: a high-efficiency, long-life diamond drill bit, comprising a matrix and a steel body. The matrix has multiple water grooves on its outer side, a T-shaped locking opening on its top, a locking groove on its rear surface, multiple first arc-shaped locking slots on the outer side of the locking groove, and a second arc-shaped locking slot on the inner side of the locking groove. The front end of the steel body engages with the inner side of the locking groove, and the rear end of the steel body has an integrally formed threaded interface. A sliding groove is formed on the upper part of the outer wall of the steel body, a crossbar is fixedly connected inside the sliding groove, a sliding sleeve is fitted on the outer wall of the crossbar, and the sliding sleeve is slidably connected to the sliding groove. A spring is fitted on the outer wall of the crossbar, and the two ends of the spring are respectively connected to the sliding sleeve and... The opposite sides of the sliding groove are fixedly connected. A T-shaped locking block is fixedly connected to the top of the sliding sleeve. The T-shaped locking block is engaged with the inner side of the T-shaped locking opening. An annular cavity is opened at the front of the interior of the steel body. A first through-hole is opened on the outer side of the annular cavity. A second through-hole is opened on the inner side of the annular cavity. Multiple rotating sleeves are rotatably connected to the interior of the annular cavity via a rotating shaft. Two arc-shaped locking rods are fixedly connected to the outer wall of the rotating sleeve. The opposite ends of the two arc-shaped locking rods pass through the first through-hole and the second through-hole respectively, and are engaged with the inner sides of the first arc-shaped locking opening and the second arc-shaped locking opening respectively. A connecting sleeve is slidably connected to the outer side of the arc-shaped locking rod. A spring is fixedly connected between the connecting sleeve and the opposite side of the annular cavity.

[0008] Preferably, the height of the tire body is 12mm to 18mm, the inner diameter of the tire body is 85.3mm, and the outer diameter is 126.5mm.

[0009] Preferably, the water tank has a width of 10mm and a depth of 2mm.

[0010] Preferably, the inclination angle of the water tank can be between 8 and 15 degrees.

[0011] Preferably, a movable sleeve is slidably connected to the outer wall of the threaded interface, and a positioning sleeve is fixedly connected to the outer side of the movable sleeve.

[0012] Preferably, the outer side wall of the threaded interface is provided with multiple limiting grooves, and the inner side wall of the movable sleeve is provided with multiple limiting balls, which are respectively located inside the multiple limiting grooves and are slidably connected to the multiple limiting grooves.

[0013] Preferably, a sealing ring is fixedly connected to the inner side of the positioning sleeve in front of the movable sleeve.

[0014] (III) Beneficial Effects

[0015] This invention provides a high-efficiency, long-life diamond drill bit with the following advantages:

[0016] (1) By setting the height of the tire body to 12mm to 18mm, the inner diameter of the tire body to 85.3mm, the outer diameter to 126.5mm, the width of the water tank to 10mm, the depth to 2mm, and the inclination angle of the water tank to 8 degrees to 15 degrees, the device can follow the rotation of the tire body without affecting the service life of the tire body itself, better maintain the stability of the flow rate during cleaning inside the water tank, maintain the heat dissipation effect of the cleaning liquid on the tire body, reduce the thermal wear of the tire body, and facilitate the smooth discharge of debris through the water tank.

[0017] (2) The present invention facilitates the engagement and installation of the steel body and the tire body by means of the engagement groove provided on the tire body. The rotating sleeve, arc-shaped locking rod, connecting sleeve, first through hole, second through hole and spring II provided in the annular cavity, together with the first arc-shaped locking hole and the second arc-shaped locking hole in the engagement groove, facilitate the initial splicing between the tire body and the steel body. Then, the T-shaped locking hole opened on the tire body, together with the T-shaped locking block, locks the tire body and the steel body together, so that the connection is stable. The T-shaped locking block can be moved through the provided sliding groove, crossbar, sliding sleeve and spring I, so as to facilitate the locking of the tire body with the T-shaped locking block. The disassembly between the openings is achieved by using the different inner and outer diameters of the annular cavity to make the two arc-shaped locking rods on the same rotating sleeve protrude at different distances from the first and second through openings. With the first and second arc-shaped locking rods of different depths, after the tire body is spliced ​​with the steel body, rotating the tire body clockwise allows the arc-shaped locking rod to disengage from the second arc-shaped locking rod and drive the other arc-shaped locking rod to disengage from the first arc-shaped locking rod, thus completing the disassembly. When rotating clockwise, the arc-shaped locking rod in the first arc-shaped locking rod will be affected by the locking rod and will not easily fall off, making it less likely for the tire body to detach from the steel body after splicing.

[0018] (3) The present invention facilitates threaded connection with external drilling devices by setting a threaded interface. The positioning sleeve allows the movable sleeve to slide outside the threaded interface before installation, so that the positioning sleeve slides to the outside of the drilling device connection port. This facilitates alignment of the threaded interface during thread splicing and avoids misaligned screwing. The sliding sleeve ensures the stability of the positioning sleeve during sliding by setting a limiting groove and limiting ball, and is not prone to shaking. Since the movable sleeve is located in the middle of the positioning sleeve, when screwing, the front part of the drilling device will push the movable sleeve to move as the screw goes deeper along the threaded interface, so that the positioning sleeve will move towards one side of the steel body and be fitted on the outside of the steel body. The sealing ring on the inner side seals the connection, thus ensuring the sealing performance after connection. Attached Figure Description

[0019] Figure 1This is a schematic diagram of the structure of the present invention;

[0020] Figure 2 This is a front view schematic diagram of the fetal body structure in this invention;

[0021] Figure 3 This is a cross-sectional view of the connection structure between the tire body and the steel body in this invention;

[0022] Figure 4 This is a side view of the T-shaped locking block in this invention.

[0023] Figure 5 This is a rear view schematic diagram of the positioning sleeve structure in this invention;

[0024] Figure 6 In this invention Figure 1 A magnified structural diagram at point A;

[0025] Figure 7 In this invention Figure 3 A magnified structural diagram at point B.

[0026] In the diagram: 1. Tire body; 2. Steel body; 3. Water tank; 4. T-shaped locking port; 5. Engaging groove; 6. First arc-shaped locking port; 7. Second arc-shaped locking port; 8. Threaded interface; 9. Sliding groove; 10. Crossbar; 11. Sliding sleeve; 12. Spring one; 13. T-shaped locking block; 14. Annular cavity; 15. First through-hole; 16. Second through-hole; 17. Rotating sleeve; 18. Arc-shaped locking rod; 19. Connecting sleeve; 20. Spring two; 21. Moving sleeve; 22. Positioning sleeve; 23. Limiting groove; 24. Limiting ball; 25. Sealing ring. Detailed Implementation

[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] like Figure 1-7As shown, the present invention provides a technical solution: a high-efficiency, long-life diamond drill bit, comprising a matrix 1 and a steel body 2. The outer side of the matrix 1 has multiple water grooves 3, the top of the matrix 1 has a T-shaped locking opening 4, the rear surface of the matrix 1 has a locking groove 5, the outer side of the locking groove 5 has multiple first arc-shaped locking slots 6, and the inner side of the locking groove 5 has a second arc-shaped locking slot 7. The front end of the steel body 2 is engaged with the inner side of the locking groove 5, the rear end of the steel body 2 has an integrally formed threaded interface 8, a sliding groove 9 is formed on the upper part of the outer side wall of the steel body 2, a crossbar 10 is fixedly connected inside the sliding groove 9, a sliding sleeve 11 is fitted on the outer side wall of the crossbar 10, the sliding sleeve 11 is slidably connected to the sliding groove 9, and a spring 12 is fitted on the outer side wall of the crossbar 10. Both ends are fixedly connected to the opposite sides of the sliding sleeve 11 and the sliding groove 9, respectively. A T-shaped locking block 13 is fixedly connected to the top of the sliding sleeve 11. The T-shaped locking block 13 is engaged with the inner side of the T-shaped locking opening 4. An annular cavity 14 is opened at the front of the interior of the steel body 2. A first through-hole 15 is opened on the outer side of the annular cavity 14. A second through-hole 16 is opened on the inner side of the annular cavity 14. Multiple rotating sleeves 17 are rotatably connected inside the annular cavity 14 via a rotating shaft. Two arc-shaped locking rods 18 are fixedly connected to the outer wall of the rotating sleeve 17. The opposite ends of the two arc-shaped locking rods 18 pass through the first through-hole 15 and the second through-hole 16, respectively, and are engaged with the inner side of the first arc-shaped locking opening 6 and the second arc-shaped locking opening 7, respectively. A connecting sleeve is slidably connected to the outer side of the arc-shaped locking rods 18. 19. A spring 20 is fixedly connected between the connecting sleeve 19 and the opposite side of the annular cavity 14. The engaging groove 5 on the tire body 1 facilitates the engaging and installation between the steel body 2 and the tire body 1. The rotating sleeve 17, arc-shaped locking rod 18, connecting sleeve 19, first through-hole 15, second through-hole 16 and spring 20 in the annular cavity 14, together with the first arc-shaped locking slot 6 and the second arc-shaped locking slot 7 in the engaging groove 5, facilitate the initial splicing between the tire body 1 and the steel body 2. Then, the T-shaped locking slot 4 on the tire body 1, together with the T-shaped locking block 13, locks the tire body 1 and the steel body 2, making the connection stable. The T-shaped locking block 13 can move through the sliding groove 9, crossbar 10, sliding sleeve 11 and spring 12. The device is positioned to facilitate the disassembly of the tire body 1 and the steel body 2. Furthermore, the different inner and outer diameters of the annular cavity 14 allow the two arc-shaped locking rods 18 on the same rotating sleeve 17 to extend different distances from the first through-hole 15 and the second through-hole 16. Combined with the different depths of the first arc-shaped locking slots 6 and 7, after the tire body 1 and steel body 2 are joined, rotating the tire body 1 clockwise allows the arc-shaped locking rod 18 to disengage from the second arc-shaped locking slot 7, and also causes the other arc-shaped locking rod 18 to disengage from the first arc-shaped locking slot 6, thus completing the disassembly. During clockwise rotation, the arc-shaped locking rod 18 within the first arc-shaped locking slot 6 is less likely to detach due to the locking mechanism, ensuring that the tire body 1 and steel body 2 are not easily separated after joining. The device utilizes a water tank 3.It facilitates the cleaning and removal of debris, and the threaded interface 8 allows for easy connection and installation with external drilling equipment.

[0029] Furthermore, the height of the tire body 1 is 12mm to 18mm, the inner diameter of the tire body 1 is 85.3mm, and the outer diameter is 126.5mm. It will not be affected by the opening of the water groove 3, and thus will not affect the service life of the tire body 1.

[0030] Furthermore, the water tank 3 has a width of 10mm and a depth of 2mm, which better maintains the stability of the flow rate during cleaning inside the water tank 3.

[0031] Furthermore, the tilt angle of the water tank 3 can be from 8 to 15 degrees, which can be coordinated with the rotation of the device to better maintain the stability of the flow rate inside the water tank 3 during cleaning, maintain the heat dissipation effect of the cleaning fluid on the tire body 1, reduce the thermal wear of the tire body 1, and facilitate the smooth discharge of debris through the water tank 3.

[0032] Furthermore, a movable sleeve 21 is slidably connected to the outer wall of the threaded interface 8, and a positioning sleeve 22 is fixedly connected to the outer side of the movable sleeve 21. By setting the threaded interface 8, it is convenient to connect to the external drilling device. With the positioning sleeve 22, the movable sleeve 21 is slid on the outside of the threaded interface 8 before installation, so that the positioning sleeve 22 slides to the outside of the drilling device connection port and is fitted. This facilitates the alignment of the threaded interface 8 during thread splicing and avoids misaligned screwing.

[0033] Furthermore, the outer wall of the threaded interface 8 is provided with multiple limiting grooves 23, and the inner wall of the movable sleeve 21 is provided with multiple limiting balls 24. The multiple limiting balls 24 are located inside the multiple limiting grooves 23 and are slidably connected to the multiple limiting grooves 23. The movable sleeve 21 ensures the stability of the positioning sleeve 22 when sliding through the provided limiting grooves 23 and limiting balls 24, and is not prone to shaking.

[0034] Furthermore, a sealing ring 25 is fixedly connected to the inner side of the positioning sleeve 22 in front of the movable sleeve 21. Since the movable sleeve 21 is located in the middle of the positioning sleeve 22, when screwed in, the front part of the drilling device will push the movable sleeve 21 to move as the screw goes deeper along the threaded interface 8, so that the positioning sleeve 22 will move towards one side of the steel body 2, thereby fitting on the outside of the steel body 2 and sealing it through the inner sealing ring 25, thus ensuring the sealing performance after connection.

[0035] In summary, the workflow of this invention is as follows: The engaging groove 5 on the tire body 1 facilitates the engagement and installation between the steel body 2 and the tire body 1. The rotating sleeve 17, arc-shaped locking rod 18, connecting sleeve 19, first through-hole 15, second through-hole 16, and spring 20, all located within the annular cavity 14, work in conjunction with the first arc-shaped locking opening 6 and the second arc-shaped locking opening 7 within the engaging groove 5 to facilitate the initial splicing between the tire body 1 and the steel body 2. Then, the T-shaped locking opening 4 on the tire body 1, along with the T-shaped locking block 13, locks the tire body 1 and the steel body 2 together, ensuring a stable connection. The T-shaped locking block 13 can be moved via the sliding groove 9, crossbar 10, sliding sleeve 11, and spring 12, facilitating the disassembly of the tire body 1 and the steel body 2. Furthermore, the annular cavity 14 provides a secure connection. The different inner and outer diameters of the cavity 14 cause the two arc-shaped locking rods 18 on the same rotating sleeve 17 to extend different distances from the first through-hole 15 and the second through-hole 16. Combined with the different depths of the first arc-shaped locking slots 6 and 7, after the body 1 is joined to the steel body 2, rotating the body 1 clockwise allows the arc-shaped locking rod 18 to disengage from the second arc-shaped locking slot 7, and also causes the other arc-shaped locking rod 18 to disengage from the first arc-shaped locking slot 6, thus completing the disassembly. When rotating clockwise, the arc-shaped locking rod 18 inside the first arc-shaped locking slot 6 is less likely to fall off due to the locking mechanism, making it less likely for the body 1 to detach from the steel body 2 after joining. The device uses a water tank 3 for easy cleaning and removal of debris, and the threaded interface 8 facilitates screw connection and installation with an external drilling device.

[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency, long-life diamond drill bit, comprising a matrix (1) and a steel body (2), characterized in that: The outer side of the tire body (1) is provided with multiple water grooves (3), the top of the tire body (1) is provided with a T-shaped locking opening (4), the rear surface of the tire body (1) is provided with a locking groove (5), the inner outer side of the locking groove (5) is provided with multiple first arc-shaped locking slots (6), the inner inner side of the locking groove (5) is provided with a second arc-shaped locking slot (7), the front end of the steel body (2) is engaged with the inner side of the locking groove (5), and the rear end of the steel body (2) is integrally formed with a threaded interface (8). A sliding groove (9) is provided on the upper side of the outer wall of the steel body (2). A crossbar (10) is fixedly connected inside the sliding groove (9). A sliding sleeve (11) is fitted on the outer wall of the crossbar (10). The sliding sleeve (11) is slidably connected to the sliding groove (9). A spring (12) is fitted on the outer wall of the crossbar (10). The two ends of the spring (12) are fixedly connected to the opposite sides of the sliding sleeve (11) and the sliding groove (9), respectively. A T-shaped locking block (13) is fixedly connected to the top of the steel body (2). The T-shaped locking block (13) engages with the inner side of the T-shaped locking port (4). An annular cavity (14) is provided in the front of the interior of the steel body (2). A first through-hole (15) is provided in the outer side of the annular cavity (14). A second through-hole (16) is provided in the inner side of the annular cavity (14). Multiple rotating sleeves (17) are rotatably connected to the interior of the annular cavity (14) via a rotating shaft. 7) Two arc-shaped locking rods (18) are fixedly connected to the outer wall. The opposite ends of the two arc-shaped locking rods (18) pass through the first through hole (15) and the second through hole (16) respectively, and are respectively engaged with the inner side of the first arc-shaped locking hole (6) and the second arc-shaped locking hole (7). A connecting sleeve (19) is slidably connected to the outer side of the arc-shaped locking rod (18). A spring (20) is fixedly connected between the connecting sleeve (19) and the opposite side of the annular cavity (14).

2. The high-efficiency, long-life diamond drill bit according to claim 1, characterized in that: The height of the tire body (1) is 12mm to 18mm, the inner diameter of the tire body (1) is 85.3mm, and the outer diameter is 126.5mm.

3. The high-efficiency, long-life diamond drill bit according to claim 1, characterized in that: The water tank (3) has a width of 10mm and a depth of 2mm.

4. The high-efficiency, long-life diamond drill bit according to claim 1, characterized in that: The inclination angle of the water tank (3) can be 8 to 15 degrees.

5. The high-efficiency, long-life diamond drill bit according to claim 1, characterized in that: The outer wall of the threaded interface (8) is slidably connected to a movable sleeve (21), and the outer side of the movable sleeve (21) is fixedly connected to a positioning sleeve (22).

6. The high-efficiency, long-life diamond drill bit according to claim 5, characterized in that: The outer side wall of the threaded interface (8) is provided with multiple limiting grooves (23), and the inner side wall of the movable sleeve (21) is provided with multiple limiting balls (24). The multiple limiting balls (24) are located inside the multiple limiting grooves (23) respectively, and are slidably connected to the multiple limiting grooves (23) respectively.

7. The high-efficiency, long-life diamond drill bit according to claim 5, characterized in that: A sealing ring (25) is fixedly connected to the inner side of the positioning sleeve (22) in front of the moving sleeve (21).

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