CN214145404U - Composite drill bit with vibration reduction and centering functions - Google Patents

Composite drill bit with vibration reduction and centering functions Download PDF

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Publication number
CN214145404U
CN214145404U CN202022682821.1U CN202022682821U CN214145404U CN 214145404 U CN214145404 U CN 214145404U CN 202022682821 U CN202022682821 U CN 202022682821U CN 214145404 U CN214145404 U CN 214145404U
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China
Prior art keywords
drill bit
installation sleeve
fixed
fixed column
bit body
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CN202022682821.1U
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Chinese (zh)
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张占奎
曹江龙
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Cangzhou Great Drill Co ltd
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Cangzhou Great Drill Co ltd
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Abstract

The utility model discloses a compound drill bit with damping and centering function, including drill bit body and installation sleeve, the cavity has been seted up to installation sleeve's inside, the inside of cavity is provided with the fixed column, and the bottom surface of fixed column is provided with the drill bit body. The utility model discloses in, through the drill bit body, the fixed column, the installation sleeve, the stopper, the spacing groove, fixed axle and damping spring mutually support down, thereby realize drill bit shock-absorbing function's purpose, reduce the use damage of compound drill bit, prolong the life of compound drill bit, the drill bit body carries out the fixed mounting back through fixed column and installation sleeve, the installation sleeve drives the drill bit body when carrying out the breakage to the ore, impel the drill bit to the inside slip of installation sleeve, thereby compress the damping spring, and then absorb the consumption to power, reduce the vibrations that the drill bit body produced when carrying out the breakage to the ore and reduce the use damage, very big improvement the practicality of drill bit.

Description

Composite drill bit with vibration reduction and centering functions
Technical Field
The utility model relates to a drill bit technical field especially relates to a compound drill bit with damping and centering function.
Background
The drill bit is a tool for crushing or drilling harder objects, and effectively enables mining equipment to crush ores through high-speed rotation of the drill bit.
Common drill bit for mining in the existing market, when carrying out crushing work to the ore, this composite drill bit for mining does not generally possess absorbing function to make the life of composite drill bit for mining reduce, the number of times of changing the drill bit increases, current drill bit is in the in-service use simultaneously, because the drilling has the unstable possibility of texture face, the drill bit can not effectual entering bottom, arouses slip drilling scheduling problem, can not go on according to the design orbit well, very influences the drilling quality.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a compound drill bit with damping and centering function possesses shock attenuation and locate function's advantage, and then solves the problem among the above-mentioned background art.
(II) technical scheme
In order to realize the advantages, the utility model adopts the following specific technical scheme:
the utility model provides a compound drill bit with damping and centering function, includes drill bit body and installation sleeve, the cavity has been seted up to installation sleeve's inside, the inside of cavity is provided with the fixed column, and the bottom surface of fixed column is provided with the drill bit body, the top surface of fixed column sets up flutedly, the inside of recess is provided with the fixed axle, and the other end of fixed axle and the telescopic interior top surface fixed connection of installation, damping spring has been cup jointed on the surface of fixed axle, the outer wall surface of fixed column is provided with the stopper, the spacing groove that cooperation stopper used is seted up on the inboard surface of cavity.
Furthermore, the outer surface of the installation sleeve is welded with a positioning guide cylinder through an arc-shaped connecting block, and a steel head is arranged on the bottom end surface of the positioning guide cylinder.
Further, the arc connecting block inclines to set up, and the inclination of arc connecting block is 60 degrees in the horizontal direction.
Further, the bottom surface of arc connecting block is provided with cutting blade.
Furthermore, the limiting blocks are arranged in a plurality, and the limiting blocks are distributed on the fixing shaft at equal angles.
Furthermore, the fixed column passes through the recess and constitutes extending structure with fixed axle and damping spring, and fixed axle and installation sleeve structure as an organic whole.
(III) advantageous effects
Compared with the prior art, the utility model provides a compound drill bit with damping and centering function possesses following beneficial effect:
(1) the utility model discloses in, through the drill bit body, the fixed column, the installation sleeve, the stopper, the spacing groove, under mutually supporting of fixed axle and damping spring, thereby realize drill bit shock-absorbing function's purpose, reduce the use damage of compound drill bit, prolong the life of compound drill bit, the drill bit body carries out the fixed mounting back through fixed column and installation sleeve, the installation sleeve drives the drill bit body when carrying out the breakage to the ore, impel the drill bit to the inside slip of installation sleeve, thereby compress the damping spring, and then absorb the consumption to power, reduce the vibrations that the drill bit body produced when carrying out the breakage to the ore and reduce the use damage, very big improvement the practicality of drill bit.
(2) The utility model discloses in, be fixed with location direction drum through the arc connecting block on the outer wall surface at the installation sleeve, and the bottom surface of location direction drum is provided with the steel head, thereby the locate function's of drill bit purpose has been realized, the gliding phenomenon of drill bit and cliff appears when opening the brill in traditional drill bit has been solved, guarantee that compound drill bit can not take place to remove or rotate, maintain its normal guarantor footpath function, the required precision of drilling has both been guaranteed, the life of drill bit is prolonged to a certain extent again, very big improvement the suitability of compound drill bit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a composite drill bit with vibration damping and centering features according to an embodiment of the present invention;
FIG. 2 is a schematic view of a mounting sleeve for a composite drill bit having vibration damping and centering features in accordance with an embodiment of the present invention;
fig. 3 is a schematic structural view of a positioning and guiding cylinder of a composite drill bit with vibration damping and centering functions according to an embodiment of the present invention.
In the figure:
1. a drill bit body; 2. fixing a column; 3. installing a sleeve; 4. a fixed shaft; 5. a damping spring; 6. a limiting groove; 7. a limiting block; 8. positioning a guide cylinder; 9. a steel head; 10. an arc-shaped connecting block; 11. a cutting blade.
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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 in specific cases to those skilled in the art.
According to the utility model discloses an embodiment provides a composite drill bit with damping and centering function.
Now, it is right with reference to the accompanying drawings and specific embodiments that the present invention is further explained, as shown in fig. 1-3, according to the present invention, a composite drill bit with vibration damping and centering functions includes a drill bit body 1 and a mounting sleeve 3, a cavity is opened inside the mounting sleeve 3, a fixing column 2 is provided inside the cavity, a drill bit body 1 is provided on the bottom surface of the fixing column 2, a groove is opened on the top surface of the fixing column 2, a fixing shaft 4 is provided inside the groove, the other end of the fixing shaft 4 is fixedly connected with the inner top surface of the mounting sleeve 3, a damping spring 5 is sleeved on the surface of the fixing shaft 4, a stopper 7 is provided on the outer wall surface of the fixing column 2, a limiting groove 6 used in cooperation with the stopper 7 is provided on the inner side surface of the cavity, and the composite drill bit is passed through the drill bit body 1, the fixing column 2, the mounting sleeve 3, the stopper 7, the limiting groove 6, Under fixed axle 4 and damping spring 5 mutually supported, thereby realize drill bit shock-absorbing function's purpose, reduce the use damage of compound drill bit, the life of extension compound drill bit, drill bit body 1 carries out the fixed mounting back through fixed column 2 and installation sleeve 3, installation sleeve 3 drives drill bit body 1 when carrying out the breakage to the ore, impel the drill bit to 3 inside slides of installation sleeve, thereby compress damping spring 5, and then absorb the consumption to power, reduce the vibrations that drill bit body 1 produced when carrying out the breakage to the ore and reduce the use damage, very big improvement the practicality of drill bit.
In an embodiment, the outer surface of the installation sleeve 3 is welded with a positioning guide cylinder 8 through an arc-shaped connecting block 10, the bottom end surface of the positioning guide cylinder 8 is provided with a steel head 9, the positioning guide cylinder 8 is arranged, the purpose of the positioning function of the drill bit is realized, the problem that the traditional drill bit slides with a rock wall when the drill bit is driven is solved, the composite drill bit is prevented from moving or rotating, the normal diameter protection function is maintained, the precision requirement of drilling is guaranteed, the service life of the drill bit is prolonged to a certain extent, and the applicability of the composite drill bit is greatly improved.
In one embodiment, the arc connecting block 10 is inclined, and the inclination angle of the arc connecting block 10 is 60 degrees in the horizontal direction, and the bottom surface of the arc connecting block 10 is provided with the cutting blade 11, so that the drill bit reduces the resistance of the pore-forming rock breaking during the operation, and further improves the speed of the pore-forming rock breaking.
In an embodiment, stopper 7 is provided with a plurality ofly, and a plurality of stoppers 7 equidistance on fixed axle 4, is favorable to improving the stability of fixed column 2 at the 3 internally mounted of installation sleeve, increases the joint strength between drill bit body 1 and the installation sleeve 3.
In one embodiment, the fixing column 2 forms a telescopic structure with the fixing shaft 4 and the damping spring 5 through a groove, and the fixing shaft 4 and the mounting sleeve 3 are of an integrated structure, so that when the drill bit body 1 is in contact crushing with rocks, the drill bit body 1 reduces the vibration caused by crushing the rocks by using the flexibility of the damping spring 5.
The working principle is as follows:
when in use, a worker installs the composite drill bit on a drilling machine, the aim of the shock absorption function of the drill bit is achieved through the mutual matching of the drill bit body 1, the fixed column 2, the installation sleeve 3, the limiting block 7, the limiting groove 6, the fixed shaft 4 and the damping spring 5, the use damage of the composite drill bit is reduced, the service life of the composite drill bit is prolonged, after the drill bit body 1 is fixedly installed with the installation sleeve 3 through the fixed column 2, the installation sleeve 3 drives the drill bit body 1 to push the drill bit to slide towards the inside of the installation sleeve 3 when ore is crushed, so as to compress the damping spring 5 and further absorb and consume force, the vibration generated when the ore is crushed by the drill bit body 1 is reduced, the use damage is reduced, the practicability of the drill bit is greatly improved, and meanwhile, the positioning guide cylinder 8 is fixed on the outer wall surface of the installation sleeve 3 through the arc-shaped connecting block 10, and the bottom surface of the positioning guide cylinder 8 is provided with the steel head 9, thereby realizing the purpose of positioning function of the drill bit, solving the problem that the traditional drill bit slides with the rock wall when drilling, ensuring that the composite drill bit can not move or rotate, maintaining the normal gauge protection function of the composite drill bit, ensuring the precision requirement of drilling, prolonging the service life of the drill bit to a certain extent, and greatly improving the applicability of the composite drill bit.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a compound drill bit with damping and centering function, includes drill bit body (1) and installation sleeve (3), its characterized in that, the cavity has been seted up to the inside of installation sleeve (3), the inside of cavity is provided with fixed column (2), and the bottom surface of fixed column (2) is provided with drill bit body (1), the top surface of fixed column (2) has seted up flutedly, the inside of recess is provided with fixed axle (4), and the other end of fixed axle (4) and the interior top surface fixed connection of installation sleeve (3), damping spring (5) have been cup jointed on the surface of fixed axle (4), the outer wall surface of fixed column (2) is provided with stopper (7), spacing groove (6) that cooperation stopper (7) used have been seted up on the inboard surface of cavity.
2. The composite drill bit with vibration reduction and centering functions as claimed in claim 1, characterized in that the positioning guide cylinder (8) is welded on the outer surface of the mounting sleeve (3) through an arc-shaped connecting block (10), and the bottom end surface of the positioning guide cylinder (8) is provided with a steel head (9).
3. The composite drill bit with vibration damping and centering functions as claimed in claim 2, wherein the arc-shaped connecting block (10) is obliquely arranged, and the inclination angle of the arc-shaped connecting block (10) is 60 degrees in the horizontal direction.
4. A composite drill bit with vibration damping and centering functions according to claim 2, characterized in that the bottom end surface of the arc-shaped connecting block (10) is provided with cutting blades (11).
5. The composite drill bit with vibration reduction and centering functions as claimed in claim 1, wherein the limiting blocks (7) are provided in plurality, and the limiting blocks (7) are distributed on the fixed shaft (4) at equal angles.
6. The composite drill bit with vibration reduction and centering functions as claimed in claim 1, characterized in that the fixing column (2) forms a telescopic structure with the fixing shaft (4) and the damping spring (5) through a groove, and the fixing shaft (4) and the mounting sleeve (3) are of an integrated structure.
CN202022682821.1U 2020-11-19 2020-11-19 Composite drill bit with vibration reduction and centering functions Active CN214145404U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022682821.1U CN214145404U (en) 2020-11-19 2020-11-19 Composite drill bit with vibration reduction and centering functions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022682821.1U CN214145404U (en) 2020-11-19 2020-11-19 Composite drill bit with vibration reduction and centering functions

Publications (1)

Publication Number Publication Date
CN214145404U true CN214145404U (en) 2021-09-07

Family

ID=77565348

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022682821.1U Active CN214145404U (en) 2020-11-19 2020-11-19 Composite drill bit with vibration reduction and centering functions

Country Status (1)

Country Link
CN (1) CN214145404U (en)

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