CN214886907U

CN214886907U - Novel fishtail drill

Info

Publication number: CN214886907U
Application number: CN202121345734.5U
Authority: CN
Inventors: 夏增波
Original assignee: Fengshuo Huzhou Cutting Tools Co ltd
Current assignee: Fengshuo Huzhou Cutting Tools Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-11-26
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a novel fishtail bores, including the installation head, installation head fixed connection connecting block, connecting block fixed connection bradyseism mechanism, bradyseism mechanism fixed connection reinforced structure, reinforced structure fixed connection drill bit main part, drill bit main part fixed connection fishtail drill bit, whole fishtail drill bit compromise effects such as bradyseism, cleanness, reinforcement, simple to operate, with low costs, rational in infrastructure, safe in utilization.

Description

Novel fishtail drill

Technical Field

The utility model relates to a drill bit application technical field specifically is a novel fishtail bores.

Background

In the technical field of drill bit application, the fishtail drill is mainly used for drilling cement plugs, flushing sand bridges and salt bridges, scraping dirt and the like on the wall of a casing, and well finishing drilled holes, but the traditional fishtail drill bit is easy to wear after being used for a long time, and the phenomenon that the drill bit falls off or is broken is easily caused under the condition of overhigh rotating speed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel fishtail bores to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a novel fishtail drill, includes the installation head, installation head fixed connection connecting block, connecting block fixed connection bradyseism mechanism, bradyseism mechanism fixed connection reinforced structure, reinforced structure fixed connection drill bit main part, drill bit main part fixed connection fishtail drill bit.

Preferably, the mounting head is provided with a groove, and two pairs of positioning blocks are mounted on two sides of the mounting head.

Preferably, a first spring is arranged in the cushioning mechanism.

Preferably, be equipped with the reinforcement piece among the reinforced structure, the reinforcement piece is around reinforced structure inner wall a week, and the reinforcement piece inboard is cavity, is equipped with the second spring in the reinforcement piece, and the horizontal fixed connection of second spring is on reinforced structure, and reinforced structure's width is greater than bradyseism mechanism.

Preferably, the fishtail drill bit is provided with a plurality of uniformly distributed chip removal holes.

Preferably, the front end of the fishtail drill is provided with an angle Q1 of 135-165 degrees, the fishtail drill is provided with cutting teeth, and the width of the cutting teeth is 5-10 mm.

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

1. this novel fishtail bores utilizes recess and the locating piece that sets up on the installation head to carry out fixed connection, and not only simple to operate is simple and easy, under the too high condition of rotational speed, is difficult for producing the condition that the drill bit drops moreover.

2. This novel fishtail bores under the high-speed moving condition of machine, and the drill bit produces violent torsional vibration easily to destroy drilling tool and equipment, and adopt first spring and second spring to carry out certain buffering in this application, make whole device use feel, the device is more firm after the bradyseism moreover, increases its life.

3. This novel fishtail drill is provided with bradyseism mechanism and reinforced structure, can make the suitable reduction of the feed volume of fishtail drill bit when drilling begins or finishes, and fishtail drill bit has the entering of preheating or withdraws from operating condition like this, and is better than opening the horse power immediately, more can protect each part normal work.

4. This novel fishtail bores utilizes locating piece and recess to carry out the fixed of drill bit, and work piece under usual is probably because unstable and or person rock and produce danger, so the location is consolidated, makes the firm stability of junction crucial to the drill bit.

5. The chip removal hole is formed in the novel fishtail drill bit, unnecessary objects in the drilling process can be well discharged, the fishtail drill bit is kept clean, the abrasion of the drill bit is reduced to a certain degree, 5-10 mm is limited for chip teeth on the fishtail drill bit, the contact area is increased, and the service life is prolonged.

Drawings

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

FIG. 2 is a schematic view of the mounting head of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the shock absorbing mechanism of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the reinforcement structure of FIG. 1 according to the present invention;

FIG. 5 is a schematic view of the structure of the Fishtail drill of FIG. 1 according to the present invention;

the mounting head 1, the connecting block 2, the cushioning mechanism 3, the reinforcing structure 4, the drill bit main body 5, the fishtail drill bit 6, the groove 7, the positioning block 8, the first spring 9, the second spring 10, the chip removal hole 11, the cutting teeth 12 and the reinforcing block 13

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.

Example 1: the front end of the fishtail bit 6 has an angle Q1 of 135 degrees and the width of the cutting teeth 12 is 5mm, please refer to fig. 1-5

A novel fishtail drill comprises an installing head 1, wherein the installing head 1 is fixedly connected with a connecting block 2, the connecting block 2 is fixedly connected with a shock absorption mechanism 3, the shock absorption mechanism 3 is fixedly connected with a reinforcing structure 4, the reinforcing structure 4 is fixedly connected with a drill bit main body 5, and the drill bit main body 5 is fixedly connected with a fishtail drill bit 6;

the mounting head 1 is provided with a groove 7, two pairs of positioning blocks 8 are mounted on two sides of the mounting head 1, the groove 7 is used for fixing the whole drill bit on a machine, and the positioning blocks 8 are arranged, so that the whole drill bit can be clamped well, and a connection point is firmer;

the first spring 9 is arranged in the cushioning mechanism 3, and the first spring 9 can provide a first layer of cushioning effect for the whole drill bit during working, so that the drilling tool and equipment cannot be easily damaged under the high-speed torsion of the fishtail drill;

the reinforcing structure 4 is internally provided with a reinforcing block 13, the reinforcing block 13 surrounds the inner wall of the reinforcing structure 4 for a circle, the inner side of the reinforcing block 13 is hollow, a second spring 10 is arranged in the reinforcing block 13, the second spring 10 is transversely and fixedly connected to the reinforcing structure 4, the width of the reinforcing structure 4 is greater than that of the cushioning mechanism 3, the joint of the fishtail drill reinforcing structure 4 and the cushioning mechanism 3 can be firmer, the second spring 10 is arranged in the reinforcing structure, a second cushioning effect is provided for the whole drill bit under the torsional motion, and the cushioning effect is better;

the fishtail bit 6 is provided with a plurality of uniformly distributed chip removal holes 11, so that the fishtail bit 6 is kept clean, and the abrasion of the bit is reduced to a certain extent;

the angle Q1 is seted up to 6 front ends of fishtail bits and is 135 and be equipped with cutting tooth 12 on the fishtail bit 6, and cutting tooth 12 width is 5mm, and Q1 angle 135 degree takes into account the length and the stress area of whole fishtail brill, the best initial area angle that obtains, and cutting tooth 12 width on this basis also is the maximize utilization of wear condition and life under long-term work.

Example 2: in example 1, the leading end opening angle Q1 of the fishtail 6 was 150 °, and the width of the cutting tip 12 was 8 mm.

Example 3: in example 1, the leading end opening angle Q1 of the fishtail 6 was 165 °, and the width of the cutting tip 12 was 10 mm.

The working principle is as follows: the whole fishtail drill is firmly positioned by utilizing the groove 7 and the positioning block 8 on the mounting head 1, the disassembly and the assembly are also convenient, the principle is simple and easy to understand, the strength of a connecting point with the shock absorption mechanism 3 is enhanced through the connecting block 2, the first spring 9 is arranged in the shock absorption mechanism 3 to provide a first shock absorption effect, the shock absorption mechanism 3 is fixedly connected with the reinforcing structure 4, the reinforcing structure 4 is provided with the reinforcing block 13, the reinforcing block 13 is a solid metal block, the solid metal block is internally and fixedly connected with the second spring 10 to provide a second shock absorption effect for the whole fishtail drill operation process, so that the drill bit can not damage drilling tools and equipment under the condition of high-speed torsion, the service life is longer, the fishtail drill bit 6 is provided with the chip removal hole 11 to ensure the cleanness of the fishtail drill bit 6, and the cutting teeth 12 on the fishtail drill bit 6 are fixed in width and are matched with the angle formed at the end of the fishtail drill bit 6, the service life and the result of use of drill bit can be guaranteed to the at utmost, and whole fishtail drill bit compromises effects such as bradyseism, cleanness, reinforcement, simple to operate, and is with low costs, rational in infrastructure, safe in utilization.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a novel fishtail bores, includes installation head (1), installation head (1) fixed connection connecting block (2), its characterized in that, connecting block (2) fixed connection bradyseism mechanism (3), bradyseism mechanism (3) fixed connection reinforced structure (4), reinforced structure (4) fixed connection drill bit main part (5), drill bit main part (5) fixed connection fishtail drill bit (6).

2. A novel fish tail drill according to claim 1, characterized in that the mounting head (1) is provided with a groove (7), and two pairs of positioning blocks (8) are mounted on two sides of the mounting head (1).

3. A novel fish tail drill according to claim 1, characterized in that a first spring (9) is arranged in the shock absorption mechanism (3).

4. The novel fishtail drill according to claim 1, characterized in that a reinforcing block (13) is arranged in the reinforcing structure (4), the reinforcing block (13) surrounds the inner wall of the reinforcing structure (4) for a circle, the inner side of the reinforcing block (13) is hollow, a second spring (10) is arranged in the reinforcing block (13), the second spring (10) is transversely and fixedly connected to the reinforcing structure (4), and the width of the reinforcing structure (4) is larger than that of the cushioning mechanism (3).

5. A new type of drill for fish tail according to claim 1, characterized in that the drill bit (6) is provided with a plurality of evenly distributed chip removal holes (11).

6. The novel fishtail drill according to claim 1, characterized in that the front end opening angle Q1 of the fishtail drill bit (6) is 135-165 degrees, the fishtail drill bit (6) is provided with cutting teeth (12), and the width of the cutting teeth (12) is 5-10 mm.