CN213419025U

CN213419025U - Composite sheet drill bit

Info

Publication number: CN213419025U
Application number: CN202022531568.XU
Authority: CN
Inventors: 陈衡
Original assignee: Hunan Zhuoer Drilling Tool Co Ltd
Current assignee: Hunan Zhuoer Drilling Tool Co Ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-06-11
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a compound piece drill bit, including the drill bit base member, drill bit base member top is equipped with the multiunit cutting teeth, be equipped with the mouth of a river between the adjacent cutting teeth, the accepting part is installed to the cutting teeth below, first compound piece is installed to the accepting part lateral wall, first compound piece is located the mouth of a river outside, first compound piece lateral wall is equipped with first section and second section respectively, first section is located first compound piece top, the second section is located first compound piece outside, drill bit base member bottom is equipped with threaded connection portion, when expecting to solve current drill bit and carrying out the during operation, make the wing of a knife on the drill bit serious wearing and tearing easily, lead to probing speed to descend, the problem that probing efficiency is low.

Description

Composite sheet drill bit

Technical Field

The utility model relates to a drill bit, more specifically the utility model discloses mainly relate to a compound piece drill bit.

Background

At present, diamond composite sheet drill bits are mainly adopted for rock layer drilling of coal mine gas drainage and drain holes in mine exploration, and because the diamond composite sheet teeth have very high wear resistance, the drill bits greatly prolong the service life of the drill bits relative to early hard alloy drill bits.

The drill bit is a key component of drilling equipment and has the characteristics of high strength, long service life and the like. The performance of the drill bit is directly related to the drilling efficiency and the drilling cost.

When the existing drill bit works, the blades arranged on the drill bit are easy to be seriously worn, the drill bit is generally provided with a plurality of groups of blades, the phenomenon of serious wear is easy to occur when the blades are used for a long time, and the service life of the drill bit is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to solve one of the purposes to provide a compound piece drill bit to expect to solve current drill bit when carrying out the during operation, make the blade on the drill bit seriously wearing and tearing easily, lead to probing speed to descend, problem that probing efficiency is low.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a compound piece drill bit, including the drill bit base member, drill bit base member top is equipped with the multiunit cutting teeth, and is adjacent be equipped with the mouth of a river between the cutting teeth, the portion of accepting is installed to the cutting teeth below, first compound piece is installed to the portion of accepting lateral wall, first compound piece is located the mouth of a river outside, first compound piece lateral wall is equipped with first section and second section respectively, first section is located first compound piece top, the second section is located the first compound piece outside, drill bit base member bottom is equipped with threaded connection portion.

Preferably, the further technical scheme is as follows: the cutting teeth comprise a second composite sheet, the second composite sheet is located above the water gap, an inclined plane is arranged above the second composite sheet, and a wear-resistant layer is arranged on the inclined plane.

The further technical scheme is as follows: the second composite sheet is provided with a third section, and the third section is located on the outer side of the second composite sheet.

The further technical scheme is as follows: the included angle between the first section and the second section is 90-180 degrees, and the first section and the second section are respectively embedded with a wear-resistant layer.

The further technical scheme is as follows: the first composite sheet is a plurality of groups, and the plurality of groups of composite sheets are arranged on the side wall of the bearing part in a linear arrangement mode.

The further technical scheme is as follows: the water gap is arc-shaped.

Compared with the prior art, one of the beneficial effects of the utility model is that: the bearing part is arranged below the cutting tooth, and the first composite sheet is arranged on the side wall of the bearing part at the same time, so that the efficiency of the cutting tooth in the cutting process is improved through the first composite sheet arranged on the side wall of the bearing part; the side wall of the first composite sheet is respectively provided with a first section and a second section, the first section is positioned at the top of the first composite sheet, and the second section is positioned on the outer side of the first composite sheet, so that the drilling efficiency of the first composite sheet in the drilling process is improved through the first section and the second section, and the drilling speed is improved; through embedding installation wearing layer on first section and second section, improve the life of first compound piece in the probing in-process, improve the life of drill bit simultaneously.

Drawings

Fig. 1 is a schematic diagram illustrating an overall structure of a composite sheet drill bit according to an embodiment of the present invention.

Fig. 2 is an enlarged schematic view illustrating a cutting tooth according to another embodiment of the present invention.

In the figure, 1 is a drill base, 2 is a cutting tooth, 3 is a nozzle, 4 is a receiving portion, 5 is a first composite sheet, 6 is a first cross section, 7 is a second cross section, 8 is a threaded connection portion, 9 is a second composite sheet, 10 is an inclined surface, and 11 is a third cross section.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1 and 2, an embodiment of the present invention is a composite sheet drill, including a drill base 1, a plurality of sets of cutting teeth 2 are disposed on the top of the drill base 1, the number of the cutting teeth 2 can be any number greater than two, which can be specifically set according to actual conditions, and the adjacent cutting teeth 2 are spaced apart from each other at the same interval, and a water gap 3 is disposed in front of the adjacent cutting teeth 2 for discharging waste residues generated during drilling through the water gap 3, thereby improving drilling efficiency, by installing a receiving part 4 under the cutting teeth 2, the receiving part 4 is fixedly installed under the cutting teeth 2 and forms an integral structure with the drill base 1, thereby improving stability of the receiving part 4 and stability during use, and installing a first composite sheet 5 on the receiving part 4, aforementioned first compound piece 5 fixed mounting is in aforementioned 4 lateral walls of accepting, and form an organic whole structure with aforementioned accepting, be used for improving the drilling speed of drill bit in the probing process through first compound piece 5, improve the stability of first compound piece 5 in the use, aforementioned 5 lateral walls of first compound piece set up first section 6 and second section 7 respectively, aforementioned first section 6 is located aforementioned 5 tops of first compound piece, aforementioned second section 7 is located aforementioned 5 outsides of first compound piece simultaneously, and aforementioned first section 6 and aforementioned 7 interconnect of second section, be used for improving the efficiency of drill bit in the cutting process, set up threaded connection portion 8 in aforementioned 1 bottom of drill bit base member simultaneously, be used for through 8 installation or dismantlement drill bits of threaded connection portion, convenience and handling efficiency of drill bit in the use are improved.

Referring to fig. 1, in another embodiment of the present invention, the cutting teeth 2 include a second composite sheet 9, and the second composite sheet 9 is located above the water gap 3, for improving the cutting efficiency of the cutting teeth 2 through the second composite sheet 9, and an inclined plane 10 is disposed above the second composite sheet 9, an included angle between the inclined plane 10 and the water gap 3 is 60 ° to 90 °, and a wear-resistant layer is installed on the inclined plane 10, and the wear-resistant layer is installed on the inclined plane 10 in an embedded manner, for improving the wear-resistant strength of the cutting teeth 2 and the service life of the cutting teeth 2 through the wear-resistant layer.

Referring to fig. 2, in another embodiment of the present invention, in order to increase the cutting speed of the drill, a third section 11 is disposed on the second composite sheet 9, and the third section 11 is located outside the second composite sheet 9, so as to increase the drilling rate of the drill during the drilling process and improve the cutting efficiency of the drill through the third section 11 disposed outside the second composite sheet 9.

Referring to fig. 2, in the utility model discloses a still another embodiment, through being 90 ~ 180 with the contained angle between aforementioned first section 6 and the aforementioned second section 7, in this embodiment, set up the contained angle between first section 6 and the second section 7 to 90, improve the efficiency of first compound piece 5 at the course of the work, the wearing layer is installed in the embedding respectively at aforementioned first section 6 and aforementioned second section 7 simultaneously, be used for further improving the drilling efficiency of first compound piece 5 at the drilling in-process through the wearing layer, improve the durability of first section 6 and second section 7 simultaneously, improve the life of first compound piece 5, improve the life and the drilling efficiency of drill bit.

Referring to fig. 2, in another embodiment of the present invention, in order to improve the drilling efficiency and the service life of the drill bit, the first composite sheets 5 are provided in multiple groups, the multiple groups of composite sheets are linearly arranged on the receiving portion 4, the number of the first composite sheets 5 can be any number greater than two, and can be specifically set according to actual conditions, and the first composite sheets 5 are provided in two groups in this embodiment, so as to reduce the cost while improving the drilling efficiency.

Referring to fig. 1, in another embodiment of the present invention, the water gap 3 is set to be arc-shaped, so as to improve the smoothness of the drilling operation and the drilling efficiency by discharging the waste residue from the water gap 3 during the process of flushing the waste residue during the drilling process of the drill bit.

Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. A composite sheet drill bit comprising a drill bit substrate (1), characterized in that: drill bit base member (1) top is equipped with multiunit cutting teeth (2), and is adjacent be equipped with mouth of a river (3) between cutting teeth (2), accepting part (4) is installed to cutting teeth (2) below, first compound piece (5) are installed to accepting part (4) lateral wall, first compound piece (5) are located mouth of a river (3) outside, first compound piece (5) lateral wall is equipped with first section (6) and second section (7) respectively, first section (6) are located first compound piece (5) top, second section (7) are located first compound piece (5) outside, drill bit base member (1) bottom is equipped with threaded connection portion (8).

2. The compact bit of claim 1, wherein: the cutting teeth (2) comprise a second composite sheet (9), the second composite sheet (9) is located above the water gap (3), an inclined plane (10) is arranged above the second composite sheet (9), and a wear-resistant layer is installed on the inclined plane (10).

3. The compact bit of claim 2, wherein: be equipped with third section (11) on the compound piece of second (9), third section (11) are located the outside of the compound piece of second (9).

4. The compact bit of claim 1, wherein: the included angle between the first section (6) and the second section (7) is 90-180 degrees, and the first section (6) and the second section (7) are respectively embedded with a wear-resistant layer.

5. The compact bit of claim 1, wherein: the first composite sheets (5) are multiple groups, and the multiple groups of the first composite sheets (5) are arranged on the side wall of the bearing part (4) in a linear mode.

6. The compact bit of claim 1, wherein: the water gap (3) is arc-shaped.