CN210396640U

CN210396640U - PDC drill bit blade

Info

Publication number: CN210396640U
Application number: CN201921249617.1U
Authority: CN
Inventors: 郭思毅
Original assignee: Jiangxi Dipu Diamond Tool Manufacturing Co Ltd
Current assignee: Jiangxi Dipu Diamond Tool Manufacturing Co Ltd
Priority date: 2019-08-02
Filing date: 2019-08-02
Publication date: 2020-04-24
Anticipated expiration: 2029-08-02

Abstract

The utility model discloses a PDC drill bit blade, which comprises a drill bit body and blades, wherein the blades are arranged on the drill bit body, and a plurality of cutting teeth are embedded on the blades; the drill bit body is internally provided with an accommodating cavity matched with the blade, the blade is inserted into the accommodating cavity, the bottom of the blade in the accommodating cavity is connected with a sliding plate, the bottom of the accommodating cavity is fixedly connected with a plurality of fixed rods, the left side and the right side of each fixed rod are provided with mutually communicated grooves, the grooves are internally provided with buffer plates, two ends of each buffer plate penetrate through the grooves and are connected with supporting rods, and one end of each supporting rod, far away from the corresponding buffer plate, is fixedly connected with the sliding plate; a plurality of telescopic rods are fixedly connected to the bottom in the groove, the upper ends of the telescopic rods are fixedly connected with the buffer plate, and a buffer spring is sleeved outside each telescopic rod; the utility model discloses, the structure letter is answered, has effectively solved drill bit wing shock resistance can be poor, influences drill bit life and reduces the problem of the cutting production efficiency of drill bit.

Description

PDC drill bit blade

Technical Field

The utility model relates to a drilling tool technical field specifically is a PDC drill bit wing.

Background

PDC bits are short for polycrystalline diamond compact bits. Is a well drilling tool commonly used in the geological drilling industry. The drill bit has the advantages of high speed, more footage, long service life, stable work, less accidents in the hole, good hole body quality and the like when drilling in soft-medium hard stratum. This drill bit not only long service life, but also reuse, it is almost the same with the new drill bit result of use of leaving the factory to return the prosthetic diamond bit of factory to use, can practice thrift the drilling cost in a large number, consequently, the PDC drill bit becomes one of people to the essential probing production instrument in the market development in the daily life, but it still has some drawbacks in self structure, current PDC drill bit wing shock resistance is poor, stability is not good, influence the life of drill bit easily, also can greatly reduce the cutting production efficiency of drill bit.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PDC drill bit wing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a PDC drill bit blade comprises a drill bit body and blades, wherein the blades are arranged on the drill bit body, and a plurality of cutting teeth are embedded on the blades; the drill bit body is internally provided with an accommodating cavity matched with the blade, the blade is inserted into the accommodating cavity, the bottom of the blade in the accommodating cavity is connected with a sliding plate, the bottom of the accommodating cavity is fixedly connected with a plurality of fixed rods, the left side and the right side of each fixed rod are provided with mutually communicated grooves, the grooves are internally provided with buffer plates, two ends of each buffer plate penetrate through the grooves and are connected with supporting rods, and one end of each supporting rod, far away from the corresponding buffer plate, is fixedly connected with the sliding plate; the bottom rigid coupling has a plurality of telescopic links in the recess, the upper end and the buffer board rigid coupling of a plurality of telescopic links, the outside cover of telescopic link is equipped with buffer spring.

Preferably, a U-shaped structure is formed between the buffer plate and the support rod.

Preferably, the dead lever with hold and be equipped with the blotter between the chamber bottom, and the blotter is the rubber material, increase buffering effect.

Preferably, it is a plurality of the telescopic link is the interval arrangement, and the telescopic link includes sleeve, sleeve axle and damping spring, damping spring's one end and the inside rigid coupling of sleeve, and the other end and sleeve axle rigid coupling, the sleeve axle is kept away from damping spring's one end and is worn out the sleeve and the buffer board rigid coupling.

Preferably, the upper surface of the drill body is provided with a sealing plate at the upper end of the accommodating cavity, the sealing plate is provided with a through hole, and the blade passes through the through hole and the side surface of the blade contacts with the wall of the through hole.

Preferably, the buffer plate is movably connected with the groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a be equipped with blotter, telescopic link, buffer spring, dead lever, buffer board and branch, improve the shock resistance ability of drill bit body, prolong the life of drill bit, improve drill bit volume cutting production efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic side view of the fixing rod of the present invention;

fig. 3 is the schematic view of the internal structure of the middle telescopic rod of the present invention.

In the figure: 1. a drill bit body; 2. a blade; 3. cutting teeth; 4. an accommodating chamber; 5. a sliding plate; 6. fixing the rod; 7. a groove; 8. a buffer plate; 9. a strut; 10. a cushion pad; 11. a telescopic rod; 111. a sleeve; 112. a sleeve shaft; 113. a damping spring; 12. a buffer spring; 13. and (7) closing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a PDC drill bit blade comprises a drill bit body 1 and blades 2, wherein the blades 2 are arranged on the drill bit body 1, and a plurality of cutting teeth 3 are embedded in the blades 2; the drill bit comprises a drill bit body 1 and is characterized in that an accommodating cavity 4 matched with a blade 2 is formed in the drill bit body 1, the blade 2 is inserted into the accommodating cavity 4, a sliding plate 5 is connected to the bottom of the blade 2 in the accommodating cavity 4, a plurality of fixing rods 6 are fixedly connected to the bottom of the accommodating cavity 4, mutually communicated grooves 7 are formed in the left side and the right side of each fixing rod 6, a buffer plate 8 is arranged in each groove 7, two ends of each buffer plate 8 penetrate through the corresponding groove 7 and are connected with a supporting rod 9, and one end, far away from the corresponding buffer plate 8; the bottom rigid coupling has a plurality of telescopic links 11 in the recess 7, and the upper end and the buffer board 8 rigid coupling of a plurality of telescopic links 11, the outside cover of telescopic link 11 is equipped with buffer spring 12.

Furthermore, a U-shaped structure is formed between the buffer plate 8 and the support rod 9.

Further, a cushion pad 10 is arranged between the fixing rod 6 and the bottom of the accommodating cavity 4, and the cushion pad 10 is made of rubber.

Furthermore, a plurality of the telescopic rods 11 are arranged at equal intervals, each telescopic rod 11 comprises a sleeve 111, a sleeve shaft 112 and a damping spring 113, one end of each damping spring 113 is fixedly connected with the inside of the sleeve 111, the other end of each damping spring 113 is fixedly connected with the sleeve shaft 112, and one end of each sleeve shaft 112, which is far away from the damping spring 113, penetrates through the sleeve 111 and is fixedly connected with the buffer plate 8.

Further, a sealing plate 13 is arranged on the upper end of the accommodating cavity 4 on the upper surface of the drill bit body 1, a through hole is formed in the sealing plate 13, and the blade 2 penetrates through the through hole and the side surface of the blade 2 is in contact with the wall of the through hole.

Further, the buffer plate 8 is movably connected with the groove 7.

The working principle is as follows: during the use, be connected drill bit body 1 with the electric drill, during the drilling, wing 2 produces vibrations extrusion sliding plate 5, sliding plate 5 extrudees branch 9, branch 9 extrudees buffer board 8, buffer board 8 extrudees telescopic link 11, make buffer spring 12 take place to deform, realize the buffering, the shock attenuation effect, telescopic link 11 includes sleeve 111 simultaneously, sleeve 112 and damping spring 113, telescopic link 11 takes place to deform, make sleeve 112 extrude damping spring 113 and realize the shock attenuation effect, the dual function, make the shock attenuation effectual, but the life of drill bit, improve drill bit volume cutting production efficiency.

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

Claims

1. The PDC drill bit blade is characterized by comprising a drill bit body (1) and blades (2), wherein the blades (2) are arranged on the drill bit body (1), and a plurality of cutting teeth (3) are embedded in the blades (2); the drill bit comprises a drill bit body (1), wherein an accommodating cavity (4) matched with a blade (2) is formed in the drill bit body (1), the blade (2) is inserted into the accommodating cavity (4), a sliding plate (5) is connected to the bottom of the blade (2) in the accommodating cavity (4), a plurality of fixing rods (6) are fixedly connected to the bottom in the accommodating cavity (4), mutually communicated grooves (7) are formed in the left side and the right side of each fixing rod (6), a buffer plate (8) is arranged in each groove (7), two ends of each buffer plate (8) penetrate through the corresponding groove (7) and are connected with a supporting rod (9), and one end, far away from the corresponding buffer plate (8), of each supporting rod (9) is; bottom rigid coupling has a plurality of telescopic links (11) in recess (7), the upper end and buffer board (8) rigid coupling of a plurality of telescopic links (11), the outside cover of telescopic link (11) is equipped with buffer spring (12).

2. The PDC bit blade of claim 1, wherein: and a U-shaped structure is formed between the buffer plate (8) and the support rod (9).

3. The PDC bit blade of claim 1, wherein: a buffer pad (10) is arranged between the fixing rod (6) and the bottom of the accommodating cavity (4), and the buffer pad (10) is made of rubber.

4. The PDC bit blade of claim 1, wherein: the telescopic rods (11) are arranged at equal intervals, each telescopic rod (11) comprises a sleeve (111), a sleeve shaft (112) and a damping spring (113), one end of each damping spring (113) is fixedly connected with the inside of the corresponding sleeve (111), the other end of each damping spring is fixedly connected with the corresponding sleeve shaft (112), and one end, far away from the corresponding damping spring (113), of each sleeve shaft (112) penetrates out of the corresponding sleeve (111) and is fixedly connected with the corresponding buffer plate (8).

5. The PDC bit blade of claim 1, wherein: a sealing plate (13) is arranged on the upper surface of the drill bit body (1) at the upper end of the accommodating cavity (4), a through hole is formed in the sealing plate (13), the blade (2) penetrates through the through hole, and the side face of the blade (2) is contacted with the wall of the through hole; the seal plate (13) is fixedly connected with the drill bit body (1) through a fixing bolt.

6. The PDC bit blade of claim 1, wherein: the buffer plate (8) is movably connected with the groove (7).