CN108635066B

CN108635066B - Electric drilling machine

Info

Publication number: CN108635066B
Application number: CN201810406191.XA
Authority: CN
Inventors: 刘仁宇; 钱正一; 李学坚; 杨胜
Original assignee: HAINING SENIOR TECHNICAL SCHOOL
Current assignee: HAINING SENIOR TECHNICAL SCHOOL
Priority date: 2018-04-30
Filing date: 2018-04-30
Publication date: 2021-02-26
Anticipated expiration: 2038-04-30
Also published as: CN108635066A

Abstract

The invention discloses an electric drilling machine which comprises a machine body and a machine head connected with the machine body, wherein a drill point is installed in the machine head, a cooling water channel is arranged on the outer side of the drill point, one side of the top of the cooling water channel is connected with a water inlet pipe, the end part of the water inlet pipe is connected with a water storage cavity, one side of the water inlet pipe close to the water storage cavity is provided with a compressor, a motor is arranged above the compressor, a first belt wheel is fixed on an output shaft of the motor, a belt is sleeved on the first belt wheel, the other end of the belt is sleeved on a second belt wheel, the inside of the second belt wheel is connected with a rotating shaft through a spline, the top of the rotating shaft is movably connected into a bearing seat, the lower end of the rotating shaft is connected with the top of the drill point through a coupler, a plurality of damping mechanisms are arranged on the outer side of the drill point. The invention has the effects of shock absorption and drill point cooling.

Description

Electric drilling machine

Technical Field

The invention relates to the technical field of medical instruments, in particular to an electric drilling machine.

Background

The drill point of the dental drill can grind teeth through high-speed rotation, and the conventional driving mode of the dental drill generally adopts high-pressure gas driving and motor driving. However, the dental drill may generate a temporary high temperature between itself and the teeth when rotating and grinding the teeth at a high speed regardless of the use of the high pressure gas drive or the motor, thereby increasing the pain feeling during use. Further, vibration is generated at the moment when the dental drill rotates at a high speed and then contacts the teeth, and secondary damage is easily caused in the oral cavity if the vibration is large.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides an electric dental drill with a reasonable structure.

In order to achieve the purpose, the invention adopts the following technical scheme:

an electric drilling machine comprises a machine body and a machine head connected with the machine body, wherein a drill point is installed in the machine head, a cooling water channel is arranged on the outer side of the drill point, one side of the top of the cooling water channel is connected with a water inlet pipe, the end part of the water inlet pipe is connected with a water storage cavity, one side of the water inlet pipe, which is close to the water storage cavity, is provided with a compressor, a motor is arranged above the compressor, a first belt wheel is fixed on an output shaft of the motor, a belt is sleeved on the first belt wheel, the other end of the belt is sleeved on a second belt wheel, a rotating shaft is connected inside the second belt wheel through a spline, the top of the rotating shaft is movably connected in a bearing seat, the lower end of the rotating shaft is connected with the top of the drill point through a coupler, a plurality of damping mechanisms are arranged on the outer side of the drill point and on, the outer wall of shock attenuation ring with the inside wall fixed connection of cooling water passageway, the inside wall of shock attenuation ring evenly is equipped with a plurality of mounting grooves, every all be equipped with damping spring and buffer block in the mounting groove the buffer block supports and leans on the outer wall of drill point under damping spring's the effect, the bottom of aircraft nose in the symmetry is equipped with the LED light around the drill point, the quantity of LED light is four. .

Preferably, the included angle between the adjacent mounting grooves is 90 degrees.

Preferably, the installation surface of the LED illuminating lamp is an inclined surface, and the inclination angle of the installation surface is thirty degrees.

Preferably, four water guide grooves are radially formed in the outer side wall of the lower end of the drill point.

Preferably, the lower end of the cooling water channel extends downwards to the outside of the machine head and is connected with a water outlet pipeline, and the bottom of the water outlet pipeline is provided with a water outlet.

Compared with the prior art, the invention provides an electric drilling machine, which has the following beneficial effects: the LED lamp has a reasonable structure, has the effects of damping and cooling the drill point, and can play a role in lighting when in use through the arrangement of the LED lamp.

Drawings

Fig. 1 is a schematic structural diagram of an electric drilling machine according to the present invention;

FIG. 2 is a schematic structural diagram of a damping mechanism of an electric drill according to the present invention;

fig. 3 is a bottom view of a head of an electric drill according to the present invention.

In the figure: the device comprises a machine body 1, a machine head 2, a drill point 3, a cooling water channel 4, a water inlet pipe 5, a water storage cavity 6, a compressor 7, a motor 8, a belt 9, a second belt wheel 10, a rotating shaft 11, a bearing seat 12, a damping mechanism 13, a damping ring 14, a mounting groove 15, a damping spring 16, a buffer block 17, an LED illuminating lamp 18, a water diversion groove 19, a water outlet pipeline 20 and a water outlet 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, an electric drilling machine comprises a machine body 1 and a machine head 2 connected with the machine body 1, a drill point 3 is installed in the machine head 2, a cooling water channel 4 is arranged on the outer side of the drill point 3, one side of the top of the cooling water channel 4 is connected with a water inlet pipe 5, the end of the water inlet pipe 5 is connected with a water storage cavity 6, one side of the water inlet pipe 5 close to the water storage cavity 6 is provided with a compressor 7, a motor 8 is arranged above the compressor 7, a first belt wheel is fixed on an output shaft of the motor 8, a belt 9 is sleeved on the first belt wheel, the other end of the belt 9 is sleeved on a second belt wheel 10, the inside of the second belt wheel 10 is connected with a rotating shaft 11 through a spline, the top of the rotating shaft 11 is movably connected in a bearing block 12, the lower end of the rotating shaft 11 is connected with the top of the drill point 3 through a coupler 13, a plurality of damping mechanisms, the outer wall of shock-absorbing ring 14 and cooling water channel 4's inside wall fixed connection, the inside wall of shock-absorbing ring 14 evenly is equipped with a plurality of mounting grooves 15, all is equipped with damping spring 16 and buffer block 17 in every mounting groove 15 damping spring 16's effect down buffer block 17 supports and leans on the outer wall of drill point 3, the buffer block is self-lubricating wear-resistant material piece, is favorable to reducing frictional resistance.

The contained angle between the adjacent mounting groove 15 is 90 degrees, and the bottom of aircraft nose 2 is equipped with LED light 18 in the symmetry around drill point 3, and the quantity of LED light 18 is four, and the installation face of LED light 18 is the inclined plane, and the inclination of installation face is thirty degrees, and the lower extreme lateral wall of drill point 3 radially is equipped with four diversion channels 19, and the lower extreme downwardly extending of cooling water passageway 4 has outlet conduit 20 to aircraft nose 2 external connection, and delivery port 21 has been seted up to outlet conduit 20's bottom.

According to the invention, the vibration damping mechanism 13 can prevent the drill point 3 from shaking in the operation process, so that secondary damage in the oral cavity is avoided, the cooling water channel 4 is arranged, the four water guide grooves 19 are radially arranged on the outer side wall of the lower end of the drill point 3, so that the cooling water can be guided to the oral cavity of a person, the damage to the person caused by high temperature generated by friction of the contact part of the drill point 3 and teeth can be prevented, and the light is converged by obliquely arranging the mounting surface of the LED illuminating lamp 18, so that the illuminating effect is enhanced.

In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an electric drilling machine, including fuselage (1) and with aircraft nose (2) that fuselage (1) is connected, its characterized in that, install drill point (3) in aircraft nose (2), the outside of drill point (3) is equipped with cooling water passageway (4), top one side of cooling water passageway (4) is connected with inlet tube (5), the end connection of inlet tube (5) has water storage chamber (6), one side that inlet tube (5) are close to water storage chamber (6) is equipped with compressor (7), the top of compressor (7) is equipped with motor (8), be fixed with first band pulley on the output shaft of motor (8), the cover is equipped with belt (9) on the first band pulley, the other pot head of belt (9) is located on second band pulley (10), there is pivot (11) inside through the splined connection of second band pulley (10), the top swing joint of pivot (11) is in bearing frame (12), the lower end of the rotating shaft (11) is connected with the top of the drill point (3) through a coupler, a plurality of damping mechanisms (13) are arranged on the outer side of the drill point (3) and on the inner side of the cooling water channel (4), the damping mechanism (13) comprises a damping ring (14) sleeved outside the drill point (3), the outer wall of the damping ring (14) is fixedly connected with the inner side wall of the cooling water channel (4), a plurality of mounting grooves (15) are uniformly formed in the inner side wall of the damping ring (14), a damping spring (16) and a buffer block (17) are arranged in each mounting groove (15), the buffer block (17) is abutted against the outer wall of the drill point (3) under the action of the damping spring (16), LED illuminating lamps (18) are symmetrically arranged at the bottom of the machine head (2) around the drill point (3), and the number of the LED illuminating lamps (18) is four; the included angle between the adjacent mounting grooves (15) is 90 degrees; the mounting surface of the LED illuminating lamp (18) is an inclined surface, and the inclination angle of the mounting surface is thirty degrees; the outer side wall of the lower end of the drill point (3) is radially provided with four water guide grooves (19); the lower end of the cooling water channel (4) extends downwards to the outside of the machine head (2) and is connected with a water outlet pipeline (20), and a water outlet (21) is formed in the bottom of the water outlet pipeline (20).