Internal thread connector type universal diamond hole drill

Abstract

The utility model discloses an internal thread interface type universal diamond hole drill, which relates to the technical field of diamond drills, and comprises a drill rod, the drill rod is of a cylindrical structure, a plurality of drill edges are arranged at the bottom end of the drill rod in a surrounding manner, a plurality of chip removal surfaces are arranged at the bottom end of the outer side wall of the drill rod in a surrounding manner, and the chip removal surfaces are arranged on the drill rod. And the plurality of chip removal surfaces and the plurality of drill edges are arranged in a staggered manner. The drill rod is arranged, the drill edges are arranged at the bottom end of the drill rod, the drill edges can complete drilling operation, the chip removal faces are arranged at the bottom end of the outer side of the drill rod, the chip guide grooves are formed in the inner sides of the drill edges, and waste chips generated in the drilling process can enter the chip removal faces under the guide of the chip guide grooves. And then, the scraps are guided to the outer side of the drill rod along the scrap removal surface, so that the scraps are guided and discharged, the drilling precision can be guaranteed, and meanwhile, the situation that the service life is affected due to the fact that the scraps increase the friction effect on the drill rod can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of diamond drills, in particular to a universal diamond hole drill with an internal thread interface. Background Art

[0002] The drill bit with cutting edge is called diamond drill bit. This drill bit is an integrated drill bit. The whole drill bit has no moving parts and a relatively simple structure. It has high strength, high wear resistance and impact resistance. It is one of the three new drilling technologies in the world in the 1980s. Field use has proved that when drilling in soft-medium-hard formations, diamond drill bits have the advantages of fast speed, high footage, long life, stable operation, few downhole accidents, and good wellbore quality. Diamond drill bits not only have a long service life, but can also be reused. The diamond drill bits that have been returned to the factory for repair have the same effect as the diamond drill bits that left the factory, which can save a lot of drilling costs.

[0003] Publication No. CN217327197U discloses a diamond-coated drill bit, comprising a drill body, a water hole is opened inside the drill body, a limit plate is arranged inside the drill body, the limit plate is located on the inner wall of the water hole, a mounting tube is arranged on the upper surface of the limit plate, a water outlet plate is arranged on the upper surface of the mounting tube, the water outlet plate is located inside the water hole, a mounting strip is arranged on the lower surface of the water outlet plate, a scraper is movably arranged outside the mounting strip, a reinforcement plate is arranged on the lower surface of the mounting strip, brushes are evenly arranged on the upper surface of the scraper, the brushes are located below the water outlet plate, a support strip is arranged on the lower surface of the reinforcement plate, the support strip is located on the inner wall of the mounting tube, when in use, the scraper can be driven to rotate by water flow, and the water outlet plate can be cleaned by the cooperation of the scraper and the brush, thereby reducing the probability of clogging of the water spray holes on the water outlet plate, making the present application more convenient to use.

[0004] The above technical solution has some problems in practical application. The debris generated by the drill bit during the drilling process is difficult to be discharged in time, and the waste debris not only affects the drilling work, but also affects the service life of the drill bit.

[0005] Therefore, it is necessary to invent a universal diamond hole drill with an internal thread interface to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a universal diamond drill with an internal thread interface to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a universal diamond hole drill with an internal thread interface, comprising a drill rod, the drill rod being arranged as a cylindrical structure, a plurality of drill blades being arranged around the bottom end of the drill rod, a plurality of chip removal surfaces being arranged around the bottom end of the outer wall of the drill rod, and the plurality of chip removal surfaces and the plurality of drill blades being arranged in an alternating manner, the outer side surface of the drill blade being arranged as an inclined surface, a positioning blade being fixedly arranged at one end of the lower surface of the drill blade, a first arc surface and a second arc surface being respectively arranged on both sides of the positioning blade, and the curvature of the first arc surface being greater than that of the second arc surface, a chip guide groove being arranged on the inner side wall of the drill blade, a transition fillet being arranged on the top end of the chip guide groove, and a plurality of strip grooves being arranged around the outer wall of the drill rod.

[0008] Preferably, a connecting seat is fixedly provided at the top end of the drill rod, and an internal thread is provided inside the connecting seat.

[0009] Preferably, grooves are provided on both sides of the connecting seat, and the grooves are configured as flat grooves.

[0010] Preferably, the chip removal surface is arranged as an inclined structure, and the top end of the chip removal surface is flush with the outer side wall of the drill rod.

[0011] Preferably, the bottom end of the positioning blade is configured as a conical structure.

[0012] Preferably, the top end of the chip guide groove is configured as an arc-shaped structure, and the top end of the chip guide groove is flush with the bottom end of the chip removal surface.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model provides a drill rod, and a plurality of drill blades are provided at the bottom end of the drill rod. The drill blades can complete the drilling operation. By providing a plurality of chip removal surfaces at the bottom end of the outer side of the drill rod, and providing a chip guide groove on the inner side of the drill blade, the waste chips generated during the drilling process can enter the chip removal surface under the guidance of the chip guide groove, and then be guided to the outer side of the drill rod along the chip removal surface to achieve the guided discharge of the waste chips, thereby ensuring the drilling accuracy and preventing the waste chips from increasing the friction effect on the drill rod and affecting the service life;

[0015] 2. The utility model arranges a positioning blade at the bottom end of the drill blade, and the bottom end of the positioning blade is arranged in a conical structure. The arrangement of the positioning blade facilitates the positioning of the drill bit at the beginning of drilling. The first arc surface and the second arc surface are respectively arranged on both sides of the positioning blade. The arrangement of the arc surface facilitates the positioning blade to drill into the material. Multiple positioning blades can achieve a pre-drilling effect to ensure the subsequent drilling accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a bottom view schematic diagram of the overall structure of the utility model.

[0018] Figure 3 For the utility model Figure 2 A schematic diagram of the enlarged structure in the middle.

[0019] In the figure: 1, drill rod; 2, drill blade; 3, chip removal surface; 4, inclined surface; 5, positioning blade; 6, first arc surface; 7, second arc surface; 8, chip guide groove; 9, transition fillet; 10, strip groove; 11, connecting seat; 12, internal thread; 13, groove. DETAILED DESCRIPTION

[0020] 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.

[0021] The utility model provides Figure 1-3 The illustrated embodiment is a universal diamond hole drill with an internal thread interface, comprising a drill rod 1, the drill rod 1 being arranged in a cylindrical structure, a plurality of drill blades 2 being arranged around the bottom end of the drill rod 1, a plurality of chip removal surfaces 3 being arranged around the bottom end of the outer wall of the drill rod 1, and the plurality of chip removal surfaces 3 and the plurality of drill blades 2 being arranged in a staggered manner, the chip removal surfaces 3 being arranged in an inclined structure, and the top end of the chip removal surfaces 3 being flush with the outer wall of the drill rod 1, and the arrangement of the chip removal surfaces 3 facilitates the guidance and discharge of waste chips;

[0022] Specifically, the outer side surface of the drill blade 2 is set as an inclined surface 4, a positioning blade 5 is fixedly set at one end of the lower surface of the drill blade 2, and the bottom end of the positioning blade 5 is set as a conical structure. The first arc surface 6 and the second arc surface 7 are respectively set on both sides of the positioning blade 5, and the curvature of the first arc surface 6 is greater than that of the second arc surface 7. The inner side wall of the drill blade 2 is provided with a chip guide groove 8, and the top of the chip guide groove 8 is set as an arc structure, and the top of the chip guide groove 8 is flush with the bottom end of the chip discharge surface 3. The top of the chip guide groove 8 is provided with a transition fillet 9. The setting of the transition fillet 9 facilitates the guidance and discharge of waste chips. The outer side wall of the drill rod 1 is surrounded by a plurality of strip grooves 10, which can not only play a role in heat dissipation, but also discharge the waste chips inside the drill rod 1;

[0023] More specifically, a connecting seat 11 is fixedly provided at the top of the drill rod 1, and an internal thread 12 is provided inside the connecting seat 11. The setting of the internal thread 12 facilitates the installation of the drill rod 1. Grooves 13 are provided on both sides of the connecting seat 11, and the grooves 13 are set as flat grooves. The setting of the grooves 13 facilitates the use of a wrench to clamp the connecting seat 11, so as to facilitate the installation of the drill rod 1.

[0024] In summary, the device is provided with a drill rod 1, and a plurality of drill blades 2 are provided at the bottom end of the drill rod 1. The drill blade 2 can complete the drilling operation. By providing a plurality of chip removal surfaces 3 at the outer bottom end of the drill rod 1, and a chip guide groove 7 is provided on the inner side of the drill blade 2, the waste chips generated during the drilling process can enter the chip removal surface 3 under the guidance of the chip guide groove 7, and then be guided to the outside of the drill rod 1 along the chip removal surface 3 to achieve the guidance and discharge of the waste chips, thereby ensuring the accuracy of the drilling and at the same time preventing the waste chips from increasing the friction effect on the drill rod 1 and affecting the service life. By providing a positioning blade 5 at the bottom end of the drill blade 2, the bottom end of the positioning blade 5 is provided with a conical structure, and the provision of the positioning blade 5 facilitates the positioning of the drill bit at the beginning of drilling. By providing a first arc surface 6 and a second arc surface 7 on both sides of the positioning blade 5 respectively, the provision of the arc surface facilitates the positioning blade 5 to drill into the material, and the plurality of positioning blades 5 can achieve a pre-drilling effect to ensure the subsequent drilling accuracy.

[0025] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to 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 utility model shall be included in the protection scope of the present utility model.

Claims

1. A universal diamond drill with an internal thread interface, comprising a drill rod (1), characterized in that: The drill rod (1) is configured as a cylindrical structure, a plurality of drill blades (2) are arranged around the bottom end of the drill rod (1), a plurality of chip removal surfaces (3) are arranged around the bottom end of the outer wall of the drill rod (1), and the plurality of chip removal surfaces (3) and the plurality of drill blades (2) are arranged in a staggered manner, the outer side surface of the drill blade (2) is configured as an inclined surface (4), a positioning blade (5) is fixedly arranged at one end of the lower surface of the drill blade (2), a first arc surface (6) and a second arc surface (7) are respectively arranged on both sides of the positioning blade (5), and the curvature of the first arc surface (6) is greater than that of the second arc surface (7), the inner side wall of the drill blade (2) is provided with a chip guide groove (8), and the top end of the chip guide groove (8) is provided with a transition fillet (9), and a plurality of strip grooves (10) are arranged around the outer wall of the drill rod (1).

2. The universal diamond drill with internal thread interface according to claim 1, characterized in that: A connecting seat (11) is fixedly provided at the top end of the drill rod (1), and an internal thread (12) is provided inside the connecting seat (11).

3. The universal diamond drill with internal thread interface according to claim 2, characterized in that: Grooves (13) are provided on both sides of the connection seat (11), and the grooves (13) are configured as flat grooves.

4. The universal diamond drill with internal thread interface according to claim 3, characterized in that: The chip removal surface (3) is arranged as an inclined structure, and the top end of the chip removal surface (3) is flush with the outer side wall of the drill rod (1).

5. The internal thread interface universal diamond drill according to claim 4, characterized in that: The bottom end of the positioning blade (5) is arranged to be a conical structure.

6. The universal diamond drill with internal thread interface according to claim 5, characterized in that: The top end of the chip guide groove (8) is arranged to be an arc-shaped structure, and the top end of the chip guide groove (8) is flush with the bottom end of the chip removal surface (3).

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