CN210343245U

CN210343245U - PCD (polycrystalline Diamond) double-edge center water outlet chamfering drill

Info

Publication number: CN210343245U
Application number: CN201921226163.6U
Authority: CN
Inventors: 鄂兴; 孟晖
Original assignee: Dongguan Cohre Cnc Tool Co ltd
Current assignee: Dongguan Cohre Cnc Tool Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-04-17
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a PCD double-blade center water outlet chamfering drill, which relates to the technical field of chamfering drills, liquid can be filled into a shell through a liquid filling port, the liquid filling port is sealed through a cover body, the liquid is prevented from leaking or foreign matters enter, through the matching of a first spring and a sealing cover, the sealing cover is always buckled at one end of a through hole by the tension of the first spring to seal the through hole, the liquid is prevented from still flowing into a chamfering drill body when not used, but when the chamfering drill body rotates in operation, the sealing cover offsets the tension of the first spring under the action of centrifugal force, at the moment, a gap is formed between the sealing cover and the through hole to ensure that the liquid in the shell can enter the chamfering drill body through the through hole, namely, the chamfering drill body can be cooled or lubricated, the device has simple structure and low cost, and can lubricate or cool the chamfering drill body in operation, the service life of the chamfer drill body is prolonged, and the cost is reduced.

Description

PCD (polycrystalline Diamond) double-edge center water outlet chamfering drill

Technical Field

The utility model relates to a chamfer bores technical field, and concrete field is a PCD twolip center goes out water chamfer and bores.

Background

The drill bit is an integral part of the drilling apparatus and its main function is to break rock and form the borehole. The rotary drill bit is a drill bit commonly used in the petroleum industry at present, and can rotate under the drive of machinery, so that the whole drill bit is driven to perform centripetal motion, and rocks are cracked and broken through cutting and grinding, so that the effect of drilling downwards is achieved. The drill bit is one of main drilling equipment, and the specification and the shape of the drill bit should be different according to differences of working environments and regional environments, and when the oil drilling is carried out, the drill bit should be reasonably and scientifically selected according to specific needs and specific design schemes. In the specific drilling work, a drill bit is scientifically selected, and drilling fluid is reasonably determined, so that the working efficiency and the working quality of petroleum drilling are improved, the petroleum drilling can better exert the value of the petroleum drilling, certain contribution is made to the development of petroleum industry, and the existing water-discharging drill which can inject liquid into the drill bit can only be produced, but only one kind of cooling liquid or lubricating liquid can be injected into the drill bit, so that the cooling and lubricating effects can not be realized, the service life of the drill bit is shortened, and the cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCD twolip center goes out water chamfer and bores 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: the utility model provides a PCD twolip center goes out water chamfer and bores body, bores the body including the chamfer, the middle part of chamfer brill body is equipped with exhalant canal, exhalant canal runs through the chamfer along the axle center direction and bores the body, the fixed cover of outer wall of chamfer brill body is equipped with the shell, the chamfer is bored the body and is located the inside lateral wall of shell and has seted up the through-hole, the quantity of through-hole is four and is located the both sides that the chamfer bored the body respectively, the through-hole runs through the lateral wall of chamfer brill body and extends to exhalant canal department, every one side that the water channel was kept away from to the through-hole all fixes the lock and has sealed lid, every the inner wall of through-hole all is fixed to be pegged graft and is had first spring, the one end and the sealed lid fixed connection of first spring, the top of shell.

Preferably, the surface of shell is equipped with the fixture block, the shape of fixture block is L shape, the right side wall of lid articulates there is the trip, fixedly connected with second spring between the left side wall of trip and the right side wall of lid, trip and fixture block joint.

Preferably, the chamfer drill body is two in number of cutting edges, and the chamfer drill body is made of PCD materials.

Compared with the prior art, the beneficial effects of the utility model are that: a PCD double-edge center water outlet chamfering drill can fill liquid into a shell through a liquid filling port, the liquid filling port is blocked by the cover body to prevent liquid from leaking or foreign matters from entering, the sealing cover is always buckled at one end of the through hole by the tension of the first spring through the matching of the first spring and the sealing cover, the through hole is sealed to prevent liquid from flowing into the chamfering drill body when not in use, but when the chamfering drill body rotates, the sealing cover offsets the pulling force of the first spring under the action of centrifugal force, and at the moment, a gap is formed between the sealing cover and the through hole to ensure that liquid in the shell can enter the chamfering drill body through the through hole, can cool off or lubricate the chamfer and bore the body, this device simple structure, low cost, the during operation can be bored the body and lubricated or cool off the chamfer, increases the life of chamfer and bores the body, reduce cost.

Drawings

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

FIG. 2 is a schematic view of the main sectional structure of the present invention;

fig. 3 is an enlarged view of a structure of fig. 2.

In the figure: 1-a chamfer drill body, 2-a water outlet channel, 3-a shell, 4-a through hole, 5-a liquid injection port, 6-a cover body, 7-a clamping block, 8-a clamping hook, 9-a second spring, 10-a sealing cover and 11-a first spring.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a PCD double-edge center water outlet chamfering drill comprises a chamfering drill body 1, the chamfering drill body 1 is connected with a main shaft, a water outlet channel 2 is arranged in the middle of the chamfering drill body 1, the water outlet channel 2 is connected with a water pipe, the water outlet channel 2 penetrates through the chamfering drill body 1 along the axis direction, a shell 3 is fixedly sleeved on the outer wall of the chamfering drill body 1, one of cooling liquid and lubricating oil is filled in the shell 3, the shell 3 is connected with the side wall of the chamfering drill body 1 in a welding mode, through holes 4 are formed in the side wall of the chamfering drill body 1, which is positioned in the shell 3, the number of the through holes 4 is four, the through holes 4 are respectively positioned at two sides of the chamfering drill body 1, two through holes 4 are formed in each side of the chamfering drill body 1, the through holes 4 penetrate through the side wall of the chamfering drill body 1 and extend to the position of the water outlet channel 2, and the through holes, when liquid enters from the through holes 4 and then is mixed with the liquid flowing through the water outlet channel 2, the utilization effect of the liquid is better, one side of each through hole 4 far away from the water outlet channel 2 is fixedly buckled with a sealing cover 10, the through holes 4 are sealed through the sealing covers 10, the liquid is prevented from still flowing into the chamfering drill body 1 when not in use, the inner wall of each through hole 4 is fixedly spliced with a first spring 11, one end of the first spring 11 is fixedly connected with the sealing cover 10, the sealing cover 10 is always buckled at one end of the through hole 4 through the pulling force of the first spring 11 through the matching of the first spring 11 and the sealing cover 10, the top of the shell 3 is provided with a liquid injection port 5, the liquid can be injected into the shell 3 through the liquid injection port 5, the surface of the shell 3 is hinged with a cover body 6, the cover body 6 is buckled with the liquid injection port 5, and the liquid injection port 5, preventing liquid leakage or foreign matter entry.

Through shell 3, the cooperation of chamfer brill body 1 and through-hole 4, make the inside liquid of shell 3 can enter into the chamfer through-hole 4 and bore in the body 1, it mixes with the liquid of 2 circulations of exhalant canal after the body 1 is bored to the chamfer from through-hole 4 entering, can cool off or lubricate chamfer brill body 1, cooperation through first spring 11 and sealed lid 10, the pulling force of first spring 11 makes sealed lid 10 lock one end at through-hole 4 always, block off through-hole 4, prevent that liquid still flows into chamfer brill body 1 when not using, nevertheless when chamfer brill body 1 work is rotatory, sealed lid 10 is under the effect of centrifugal force, offset the pulling force of first spring 11, the clearance appears between sealed lid 10 and the through-hole 4 this moment, the inside liquid of shell 3 can flow into chamfer brill body 1.

Specifically, the surface of shell 3 is equipped with fixture block 7, fixture block 7's shape is L shape, the right side wall of lid 6 articulates there is trip 8, fixedly connected with second spring 9 between the left side wall of trip 8 and the right side wall of lid 6, trip 8 and fixture block 7 joint.

Through trip 8 and fixture block 7 joint for lid 6 can be inseparable lock always on annotating liquid mouth 5, plays the purpose that the lock effect that increases lid 6 prevents lid 6 and drops, can stimulate trip 8 through second spring 9, and the trip 8 and the fixture block 7 joint effect of messenger are better.

Specifically, the chamfer drill body 1 is two cutting edges, and the chamfer drill body 1 is made of PCD materials.

The working principle is as follows: before the work, the buckling of the liquid injection port 5 and the cover body 6 is released, one of cooling liquid or lubricating oil is injected into the shell 3 through the liquid injection port 5, through the cooperation of the first spring 11 and the sealing cover 10, the tension of the first spring 11 causes the sealing cover 10 to be always buckled at one end of the through hole 4, the through hole 4 is sealed to prevent liquid from still flowing into the chamfer drill body 1 when not in use, the cover body 6 is buckled after filling, the chamfer drill body 1 is connected with the rotating main shaft to start working, the sealing cover 10 counteracts the pulling force of the first spring 11 under the action of centrifugal force, and at the moment, a gap is formed between the sealing cover 10 and the through hole 4, so that the liquid in the shell 3 can enter the chamfering drill body 1 through the through hole 4, when liquid enters the chamfering drill body 1 from the through hole 4 and then is mixed with the liquid circulating through the water outlet channel 2, the chamfering drill body 1 can be cooled or lubricated.

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 utility model provides a PCD twolip center goes out water chamfer and bores body (1), its characterized in that including the chamfer: the water outlet channel (2) is arranged in the middle of the chamfering drill body (1), the water outlet channel (2) penetrates through the chamfering drill body (1) along the axis direction, a shell (3) is fixedly sleeved on the outer wall of the chamfering drill body (1), through holes (4) are formed in the side wall, located inside the shell (3), of the chamfering drill body (1), the number of the through holes (4) is four, the through holes are respectively located on two sides of the chamfering drill body (1), the through holes (4) penetrate through the side wall of the chamfering drill body (1) and extend to the position of the water outlet channel (2), a sealing cover (10) is fixedly fastened on one side, away from the water outlet channel (2), of each through hole (4), a first spring (11) is fixedly inserted into the inner wall of each through hole (4), one end of each first spring (11) is fixedly connected with the sealing cover (10), and a liquid injection port (5) is formed in the top of the shell (3, the surface of shell (3) articulates there is lid (6), lid (6) and notes liquid mouth (5) lock.

2. The PCD twolip center discharge chamfer drill according to claim 1, wherein: the surface of shell (3) is equipped with fixture block (7), the shape of fixture block (7) is L shape, the right side wall of lid (6) articulates there is trip (8), fixedly connected with second spring (9) between the left side wall of trip (8) and the right side wall of lid (6), trip (8) and fixture block (7) joint.

3. The PCD twolip center discharge chamfer drill according to claim 1, wherein: the chamfering drill comprises a chamfering drill body (1) and is characterized in that the number of the cutting edges is two, and the chamfering drill body (1) is made of PCD materials.