CN112935899A

CN112935899A - Drilling equipment that machining precision is high

Info

Publication number: CN112935899A
Application number: CN202110217317.0A
Authority: CN
Inventors: 黄娉
Original assignee: Nanjing Yiyang Environmental Protection Technology Co ltd
Current assignee: Nanjing Yiyang Environmental Protection Technology Co ltd
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-06-11

Abstract

The invention relates to a drilling device with high machining precision, which comprises a shell, a handle, a transmission shaft, a connector and a drill rod, wherein the shell is cylindrical, the handle is arranged on the outer wall of the shell, one end of the shell is provided with a mounting hole, the transmission shaft and the drill rod are coaxially arranged with the shell, the transmission shaft penetrates through the mounting hole, the transmission shaft is in sliding and sealing connection with the inner wall of the mounting hole, a driving device is arranged in the shell and is in transmission connection with one end of the transmission shaft, the drill rod is arranged at the other end of the transmission shaft through the connector, the shell is provided with at least three supporting mechanisms, the supporting mechanisms are uniformly distributed in the circumferential direction by taking the axis of the shell as the center, and a cleaning mechanism is arranged in the shell, so that the drilling precision of the drilling device with high machining precision is improved through the, moreover, the function of automatically cleaning the drill rod is realized through the cleaning mechanism.

Description

Drilling equipment that machining precision is high

Technical Field

The invention relates to the field of drilling equipment, in particular to drilling equipment with high machining precision.

Background

The electric hand drill is a drilling tool powered by an alternating current power supply or a direct current battery, and is a handheld electric tool.

After the existing pistol drill is used, more chips can be remained on the drill rod, the manual cleaning is needed, the operation is complex, the convenience is reduced, and moreover, the existing pistol drill is used, the drilling precision is reduced due to the fact that the shaking drill rod of the hand is easy to deviate, the drill rod can be broken when the drilling precision is serious, and the practicability is reduced.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the drilling equipment with high machining precision is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a drilling device with high machining precision comprises a shell, a handle, a transmission shaft, a connector and a drill rod, wherein the shell is cylindrical, the handle is arranged on the outer wall of the shell, an installation hole is formed in one end of the shell, the transmission shaft and the drill rod are coaxially arranged with the shell, the transmission shaft penetrates through the installation hole, the transmission shaft is in sliding and sealing connection with the inner wall of the installation hole, a driving device is arranged in the shell and is in transmission connection with one end of the transmission shaft, the drill rod is arranged at the other end of the transmission shaft through the connector, at least three supporting mechanisms are arranged on the shell, the supporting mechanisms are circumferentially and uniformly distributed by taking the axis of the shell as the center, and a cleaning mechanism is arranged in the shell;

the supporting mechanism comprises a supporting tube, a sucker, a spring, a movable disc, a guide rod, a slide block, a limiting block and a transmission component, the supporting tube and the guide rod are both parallel to the transmission shaft, the slide block is arranged on the supporting tube and is abutted against the outer wall of the shell, the sliding block is sleeved on the guide rod, the guide rod is positioned on one side of the drill rod close to the transmission shaft, one end of the guide rod far away from the drill rod is arranged on the shell, the limiting block is arranged at the other end of the guide rod, the sliding block is abutted against the limiting block, the sucker is positioned at one side of the drill rod far away from the transmission shaft, the sucker is arranged at one end of the supporting pipe, the moving plate and the spring are both arranged in the supporting pipe, the movable disc is connected with the inner wall of the supporting tube in a sliding and sealing way, the spring is positioned between the movable disc and the sucker, the movable disc is connected with the inner wall of the supporting tube through a spring, and the transmission assembly is positioned on one side of the sliding block, which is far away from the limiting block;

the transmission assembly comprises a bearing, a rotating shaft, a connecting wire, a rack and a gear, wherein the axis of the rotating shaft is perpendicular to and intersected with the axis of the transmission shaft, the inner ring of the bearing is arranged on the rotating shaft, the outer ring of the bearing is arranged on the shell, the rack is arranged on the supporting tube, the gear is arranged on the rotating shaft, the rack is meshed with the gear, one end of the connecting wire is arranged on one side, away from the sucker, of the moving disc, and the other end of the connecting wire is wound on the rotating shaft;

the cleaning mechanism comprises a first one-way valve, a fixed pipe, a moving ring and at least three connecting assemblies, wherein an air inlet is formed in one end, far away from the mounting hole, of the shell, the first one-way valve is installed in the air inlet, the fixed pipe and the moving ring are coaxially arranged with the transmission shaft, the inner diameter of the fixed pipe is equal to the outer diameter of the moving ring, the inner diameter of the moving ring is equal to the diameter of the transmission shaft, the fixed pipe is hermetically arranged at one end, provided with the mounting hole, of the shell, the moving ring is arranged in the fixed pipe, the moving ring is in sliding and sealing connection with the inner wall of the fixed pipe, the transmission shaft penetrates through the moving ring, the moving ring is in sliding and sealing connection with the transmission shaft, and the connecting;

coupling assembling includes push rod, second check valve, venthole and round hole, the round hole sets up on the shift ring, the second check valve is installed in the round hole, the venthole sets up the one end that is equipped with the mounting hole at the casing, fixed pipe and venthole intercommunication, the push rod is parallel with the transmission shaft, the venthole is passed to the push rod, be equipped with the clearance between the inner wall of push rod and venthole, the one end setting of push rod is in the one side that is close to the drilling rod of shift ring, the other end setting of push rod is on the stay tube.

Preferably, the connection line is a steel wire rope in order to improve the reliability of the connection line.

Preferably, the guide bar is coated with a lubricating oil in order to reduce friction between the slider and the guide bar.

Preferably, in order to realize buffering and vibration reduction, the limiting block is made of rubber.

Preferably, in order to facilitate the installation of the transmission shaft, chamfers are arranged at both ends of the transmission shaft.

Preferably, in order to reduce a gap between the inner wall of the stationary pipe and the moving ring, the inner wall of the stationary pipe is coated with a sealing grease.

Preferably, the handle is provided with anti-slip lines to prevent slipping.

Preferably, in order to prolong the service life of the shell, the shell is provided with an anti-corrosion zinc coating.

Preferably, for noise reduction, a sound absorbing plate is arranged in the shell.

Preferably, the photovoltaic panel is arranged on the shell for saving energy.

The drilling equipment with high processing precision has the beneficial effects that the drilling precision is improved through the supporting mechanism, the drill rod is prevented from radial deviation, compared with the existing supporting mechanism, the supporting mechanism can also drive the moving ring to move, an integrated linkage structure is realized with the cleaning mechanism, the practicability is higher, not only is the function of automatically cleaning the drill rod realized through the cleaning mechanism, compared with the existing cleaning mechanism, the cleaning mechanism cleans the drill rod through an air flow mode, the heat dissipation effect of the drill rod can be improved, and the practicability is higher.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a high-precision drilling apparatus according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic structural diagram of a transmission assembly of the high-precision drilling equipment of the invention;

FIG. 4 is a schematic structural diagram of a cleaning mechanism of the high-precision drilling apparatus of the present invention;

in the figure: 1. the photovoltaic power generation device comprises a shell, 2 parts of a handle, 3 parts of a transmission shaft, 4 parts of a connector, 5 parts of a drill rod, 6 parts of a support pipe, 7 parts of a sucker, 8 parts of a spring, 9 parts of a moving plate, 10 parts of a guide rod, 11 parts of a sliding block, 12 parts of a limiting block, 13 parts of a bearing, 14 parts of a rotating shaft, 15 parts of a connecting line, 16 parts of a rack, 17 parts of a gear, 18 parts of a first one-way valve, 19 parts of a fixed pipe, 20 parts of a moving ring, 21 parts of a push rod, 22 parts of a second one-way valve, 23 parts.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1-3, a drilling device with high processing precision comprises a casing 1, a handle 2, a transmission shaft 3, a connector 4 and a drill rod 5, wherein the casing 1 is cylindrical, the handle 2 is arranged on the outer wall of the casing 1, one end of the casing 1 is provided with a mounting hole, the transmission shaft 3 and the drill rod 5 are coaxially arranged with the casing 1, the transmission shaft 3 penetrates through the mounting hole, the transmission shaft 3 is in sliding and sealing connection with the inner wall of the mounting hole, a driving device is arranged in the casing 1 and is in transmission connection with one end of the transmission shaft 3, the drill rod 5 is arranged at the other end of the transmission shaft 3 through the connector 4, the casing 1 is provided with at least three supporting mechanisms, the supporting mechanisms are circumferentially and uniformly distributed by taking the axis of the casing 1 as the center, and a cleaning mechanism is arranged in the casing 1;

the supporting mechanism comprises a supporting pipe 6, a sucker 7, a spring 8, a moving plate 9, a guide rod 10, a slider 11, a limiting block 12 and a transmission assembly, wherein the supporting pipe 6 and the guide rod 10 are both parallel to the transmission shaft 3, the slider 11 is arranged on the supporting pipe 6, the slider 11 is abutted against the outer wall of the shell 1, the slider 11 is sleeved on the guide rod 10, the guide rod 10 is positioned on one side, close to the transmission shaft 3, of the drill rod 5, one end, far away from the drill rod 5, of the guide rod 10 is arranged on the shell 1, the limiting block 12 is arranged at the other end of the guide rod 10, the slider 11 is abutted against the limiting block 12, the sucker 7 is positioned on one side, far away from the transmission shaft 3, of the drill rod 5, the sucker 7 is arranged at one end of the supporting pipe 6, the moving plate 9 and the spring 8 are both arranged, the spring 8 is positioned between the movable disc 9 and the sucker 7, the movable disc 9 is connected with the inner wall of the supporting tube 6 through the spring 8, and the transmission assembly is positioned on one side of the sliding block 11, which is far away from the limiting block 12;

the transmission assembly comprises a bearing 13, a rotating shaft 14, a connecting wire 15, a rack 16 and a gear 17, wherein the axis of the rotating shaft 14 is perpendicular to and intersected with the axis of the transmission shaft 3, the inner ring of the bearing 13 is arranged on the rotating shaft 14, the outer ring of the bearing 13 is arranged on the shell 1, the rack 16 is arranged on the supporting pipe 6, the gear 17 is arranged on the rotating shaft 14, the rack 16 is meshed with the gear 17, one end of the connecting wire 15 is arranged on one side, away from the suction cup 7, of the moving plate 9, and the other end of the connecting wire 15 is wound on the rotating shaft 14;

during the use of the device, a user holds the handle 2 by hand, then the sucker 7 is abutted against a workpiece, then the handle 2 is pushed to move towards the workpiece, so that the distance between the sliding block 11 and the limiting block 12 is increased, the gear 17 is driven to rotate by the rack 16, the gear 17 drives the rotating shaft 14 to rotate under the supporting action of the bearing 13, the rotating shaft 14 winds the connecting line 15, the connecting line 15 pulls the moving plate 9 to move in the supporting pipe 6 towards the direction away from the sucker 7, the spring 8 is stretched, the air pressure in the sucker 7 is reduced, the sucker 7 is adsorbed on the workpiece, then the transmission shaft 3 is driven to rotate by the driving device, the rotation of the transmission shaft 3 drives the drill rod 5 to rotate by the connector 4, the drill rod 5 can be realized, and the sucker 7 is adsorbed on the workpiece, so that the drill rod 5 can be prevented from generating radial deviation to influence on the drilling precision, after drilling, the shell 1 moves reversely, so that the drill rod 5 can be separated from a workpiece, the connecting line 15 pulls the rotating shaft 14 to rotate reversely under the elastic action of the spring 8, so that the gear 17 rotates reversely, the rack 16 is pushed to drive the supporting tube 6 to move reversely, and the slide block 11 is driven to reset by the reverse movement of the supporting tube 6.

As shown in fig. 4, the cleaning mechanism includes a first check valve 18, a fixed pipe 19, a moving ring 20 and at least three connecting assemblies, an air inlet is disposed at one end of the housing 1 far from the mounting hole, the first check valve 18 is mounted in the air inlet, the fixed pipe 19 and the moving ring 20 are both coaxially disposed with the transmission shaft 3, the inner diameter of the fixed pipe 19 is equal to the outer diameter of the moving ring 20, the inner diameter of the moving ring 20 is equal to the diameter of the transmission shaft 3, the fixed pipe 19 is sealingly disposed at one end of the housing 1 where the mounting hole is disposed, the moving ring 20 is disposed in the fixed pipe 19, the moving ring 20 is slidably and sealingly connected with the inner wall of the fixed pipe 19, the transmission shaft 3 passes through the moving ring 20, the moving ring 20 is slidably and sealingly connected with the transmission shaft 3, and the connecting assemblies are in one-to-one correspondence with the support;

coupling assembling includes push rod 21, second check valve 22, venthole and round hole, the round hole sets up on shift ring 20, second check valve 22 is installed in the round hole, the venthole sets up the one end that is equipped with the mounting hole at casing 1, fixed pipe 19 and venthole intercommunication, push rod 21 is parallel with transmission shaft 3, push rod 21 passes the venthole, be equipped with the clearance between the inner wall of push rod 21 and venthole, the one end setting of push rod 21 is in one side that is close to drilling rod 5 of shift ring 20, the other end setting of push rod 21 is on stay tube 6.

When the distance between the sliding block 11 and the limiting block 12 is increased, the supporting tube 6 drives the moving ring 20 to move in the direction close to the first check valve 18 in the fixed tube 19 through the push rod 21, and through the one-way characteristic of the first check valve 18, the air of the moving ring 20 close to one side of the first check valve 18 is conveyed to the other side of the moving ring 20 from the circular hole, when the sliding block 11 moves reversely to realize the reset period, the moving ring 20 can be reset, and through the one-way characteristic of the second check valve 22, the air of the moving ring 20 close to one side of the drill rod 5 cannot be conveyed to the other end of the moving ring 20 from the circular hole, that is, the air in the fixed tube 19 can be discharged from the air outlet and act on the drill rod 5, under the action of air flow, the chips on the drill rod 5 can be blown down, the function of automatically cleaning the drill rod 5 is realized, the convenience is improved, and under the action of air flow, the heat dissipation effect of the drill rod 5 can be improved.

Preferably, the connection line 15 is a wire rope in order to improve the reliability of the connection line 15.

The steel wire rope has the characteristics of high strength, difficulty in breaking and the like, so that the reliability of the connecting wire 15 can be improved.

Preferably, the guide bar 10 is coated with a lubricating oil in order to reduce the friction between the slider 11 and the guide bar 10.

The lubricating oil is used for reducing the friction force between the sliding block 11 and the guide rod 10 and improving the moving fluency of the sliding block 11.

Preferably, in order to achieve buffering and vibration reduction, the material of the limiting block 12 is rubber.

The rubber texture is comparatively soft to can improve the slider 11 and the stopper 12 and lean on the impact force that produces when leaning on, realize buffering and damping.

Preferably, in order to facilitate the installation of the transmission shaft 3, both ends of the transmission shaft 3 are provided with chamfers.

The chamfer has the effect of reducing the caliber of the transmission shaft 3 when the transmission shaft passes through the mounting hole, and facilitating mounting.

Preferably, in order to reduce the gap between the inner wall of the fixed tube 19 and the moving ring 20, the inner wall of the fixed tube 19 is coated with a sealing grease.

The sealing grease functions to reduce a gap between the inner wall of the fixed tube 19 and the moving ring 20, and improves sealability.

Preferably, the grip 2 is provided with anti-slip threads to prevent slipping.

The anti-slip threads are used for improving the friction force between the hands of the user and the handle 2 and preventing slipping.

Preferably, in order to prolong the service life of the shell 1, the shell 1 is provided with an anti-corrosion zinc coating.

The function of anticorrosive zinc coating is to promote the rust-resistant ability of casing 1, prolongs the life of casing 1.

Preferably, a sound-absorbing panel 23 is provided in the housing 1 for noise reduction.

The sound-absorbing plate 23 can absorb noise, achieving noise reduction.

Preferably, for energy saving, a photovoltaic panel 24 is arranged on the housing 1.

The photovoltaic panel 24 can absorb light rays to perform photovoltaic power generation, and energy conservation is realized.

Compared with the prior art, this drilling equipment that machining precision is high has improved the drilling precision through supporting mechanism, prevent that drilling rod 5 from producing radial skew, compare with current supporting mechanism, this supporting mechanism can also drive shift ring 20 and remove, integral type linkage structure has been realized with clean mechanism, the practicality is stronger, moreover, still realize the function of self-cleaning drilling rod 5 through clean mechanism, compare with current clean mechanism, this clean mechanism passes through the clean drilling rod 5 of the mode of air current, can also promote the radiating effect of drilling rod 5, the practicality is stronger.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The drilling equipment with high machining precision comprises a shell (1), a handle (2), a transmission shaft (3), a connector (4) and a drill rod (5), wherein the shell (1) is cylindrical, the handle (2) is arranged on the outer wall of the shell (1), a mounting hole is formed in one end of the shell (1), the transmission shaft (3) and the drill rod (5) are coaxially arranged with the shell (1), the transmission shaft (3) penetrates through the mounting hole, the transmission shaft (3) is connected with the inner wall of the mounting hole in a sliding and sealing mode, a driving device is arranged in the shell (1) and is connected with one end of the transmission shaft (3) in a transmission mode, the drill rod (5) is installed at the other end of the transmission shaft (3) through the connector (4), and is characterized in that at least three supporting mechanisms are arranged on the shell (1), and are uniformly distributed in a circumferential mode by taking the axis of the shell (1) as the center, a cleaning mechanism is arranged in the shell (1);

the supporting mechanism comprises a supporting pipe (6), a sucking disc (7), a spring (8), a moving disc (9), a guide rod (10), a sliding block (11), a limiting block (12) and a transmission assembly, wherein the supporting pipe (6) and the guide rod (10) are parallel to the transmission shaft (3), the sliding block (11) is arranged on the supporting pipe (6), the sliding block (11) is abutted to the outer wall of the shell (1), the sliding block (11) is sleeved on the guide rod (10), the guide rod (10) is positioned on one side, close to the transmission shaft (3), of the drill rod (5), one end, far away from the drill rod (5), of the guide rod (10) is arranged on the shell (1), the limiting block (12) is arranged at the other end of the guide rod (10), the sliding block (11) is abutted to the limiting block (12), and the sucking disc (7) is positioned on one side, far away from the transmission shaft (3, the sucker (7) is installed at one end of the supporting pipe (6), the moving plate (9) and the spring (8) are both arranged in the supporting pipe (6), the moving plate (9) is connected with the inner wall of the supporting pipe (6) in a sliding and sealing mode, the spring (8) is located between the moving plate (9) and the sucker (7), the moving plate (9) is connected with the inner wall of the supporting pipe (6) through the spring (8), and the transmission assembly is located on one side, far away from the limiting block (12), of the sliding block (11);

the transmission assembly comprises a bearing (13), a rotating shaft (14), a connecting line (15), a rack (16) and a gear (17), wherein the axis of the rotating shaft (14) is perpendicular to and intersected with the axis of the transmission shaft (3), the inner ring of the bearing (13) is arranged on the rotating shaft (14), the outer ring of the bearing (13) is arranged on the shell (1), the rack (16) is arranged on the supporting pipe (6), the gear (17) is arranged on the rotating shaft (14), the rack (16) is meshed with the gear (17), one end of the connecting line (15) is arranged on one side, far away from the sucker (7), of the moving disc (9), and the other end of the connecting line (15) is wound on the rotating shaft (14);

the cleaning mechanism comprises a first one-way valve (18), a fixed pipe (19), a moving ring (20) and at least three connecting assemblies, wherein an air inlet is formed in one end, far away from a mounting hole, of the shell (1), the first one-way valve (18) is installed in the air inlet, the fixed pipe (19) and the moving ring (20) are coaxially arranged with the transmission shaft (3), the inner diameter of the fixed pipe (19) is equal to the outer diameter of the moving ring (20), the inner diameter of the moving ring (20) is equal to the diameter of the transmission shaft (3), the fixed pipe (19) is hermetically arranged at one end, provided with the mounting hole, of the shell (1), the moving ring (20) is arranged in the fixed pipe (19), the moving ring (20) is connected with the inner wall of the fixed pipe (19) in a sliding and sealing mode, the transmission shaft (3) penetrates through the moving ring (20), the moving ring (20) is connected with the transmission shaft (3) in a sliding and sealing mode, the connecting components correspond to the supporting tubes (6) one by one;

coupling assembling includes push rod (21), second check valve (22), venthole and round hole, the round hole sets up on shift ring (20), second check valve (22) are installed in the round hole, the venthole sets up the one end that is equipped with the mounting hole at casing (1), fixed pipe (19) and venthole intercommunication, push rod (21) are parallel with transmission shaft (3), the venthole is passed in push rod (21), be equipped with the clearance between the inner wall of push rod (21) and venthole, the one end setting of push rod (21) is in the one side that is close to drilling rod (5) of shift ring (20), the other end setting of push rod (21) is on stay tube (6).

2. The drilling equipment with high processing precision as claimed in claim 1, characterized in that the connecting line (15) is a steel wire rope.

3. The drilling apparatus with high processing accuracy according to claim 1, wherein the guide rod (10) is coated with a lubricating oil.

4. The drilling equipment with high processing precision as claimed in claim 1, characterized in that the material of the limiting block (12) is rubber.

5. The drilling equipment with high processing precision as claimed in claim 1, characterized in that, both ends of the transmission shaft (3) are provided with chamfers.

6. The drilling apparatus with high processing accuracy according to claim 1, wherein the inner wall of the fixed tube (19) is coated with a sealing grease.

7. The drilling equipment with high processing precision as claimed in claim 1, characterized in that the handle (2) is provided with anti-skid lines.

8. The drilling equipment with high processing precision according to claim 1, characterized in that the shell (1) is provided with an anti-corrosion zinc coating.

9. The drilling equipment with high processing precision as claimed in claim 1, characterized in that a sound-absorbing plate (23) is arranged in the casing (1).

10. The drilling equipment with high processing precision as claimed in claim 1, characterized in that a photovoltaic panel (24) is arranged on the shell (1).