CN114425629A

CN114425629A - Efficient drilling device and method for machining computer shell

Info

Publication number: CN114425629A
Application number: CN202111436307.2A
Authority: CN
Inventors: 刘飞; 史沸涛; 朱志强
Original assignee: Wuhu Only One Lightweight Technology Co ltd
Current assignee: Wuhu Only One Lightweight Technology Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-05-03

Abstract

The invention discloses a high-efficiency drilling device and method for processing a computer shell, which comprises a base and a conveying belt arranged above the base and used for conveying a workpiece to be processed, a fixed vertical plate is vertically arranged at the right upper side of the base, the fixed vertical plate is connected and fixed with the transmission belt through a connecting frame, the upper end of the fixed vertical plate is provided with a lifting pushing piece, the output end of the lifting pushing piece is provided with an L-shaped supporting frame, the invention is designed aiming at the defects of the prior device, can perform flowing type hole opening on the workpiece, and polish the upper end surface and the lower end surface of the opening without switching the work station again, effectively improves the work efficiency, in addition, the workpiece can be turned over, the machining efficiency is further improved, the air flow movement can be promoted, the heat dissipation effect of the polishing position is improved, the polishing process is continuous, and the service life of the device is prolonged.

Description

Efficient drilling device and method for machining computer shell

Technical Field

The invention relates to the technical field of machining equipment, in particular to an efficient drilling device and method for machining a computer shell.

Background

At present, for the production of computer housings, after the computer housings are molded by means of stamping and the like, drilling treatment is often needed, and since the housings are generally thin shell products, burrs often flow down on the surfaces of hole walls after drilling by general drilling equipment, and the burrs generally need to be ground by a grinding method, in order to solve the problems, a patent with the prior patent publication No. CN111745410B discloses a drilling device, which can drill and grind the drill holes, but the grinding equipment and the drill holes are separate operations, the time needed for switching the two is long, and the existing device cannot grind the inner walls of the housings, so that burrs on the inner walls of the housings still exist, and hand scratches are easily caused when fittings are actually installed.

Based on the above, an efficient drilling device and method for machining a computer housing are provided.

Disclosure of Invention

The invention aims to provide an efficient drilling device and method for machining a computer shell, so as to solve the problems in the background technology.

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

the utility model provides a computer case processing is with high-efficient drilling equipment, includes the base and sets up the transmission band that is used for the transmission band to process the work piece above it, the vertical fixed riser that is equipped with in the upper right side of base, it is fixed to be connected through the link between fixed riser and the transmission band, fixed riser upper end is equipped with a lift impeller, the output of lift impeller is equipped with a support frame that is the L type, the support frame upper end is equipped with the drilling part that is used for driling the work piece and is used for carrying out the centre gripping to the work piece and overturn the upset clamping part in order to switch the drilling face to the work piece.

As a further scheme of the invention: drilling part is including setting up the base in the support frame below, base upper end both sides are connected and are used for driving its feed catch bar that reciprocates, base upper end intermediate position is equipped with a drilling motor, the output of drilling motor is equipped with a rotation axis, the rotation axis outside is equipped with a buffer tank of coaxial setting with it, buffer tank outside array distribution has a plurality of air inlet, and every air inlet department cooperation is equipped with an air inlet blade that is used for guiding the air current to get into, the inside air guide channel who is equipped with and buffers incasement chamber UNICOM of rotation axis, the rotation axis lower extreme is equipped with the drill bit that is used for drilling, and the rotation axis outside that is close to the drill bit is equipped with the piece of polishing that is used for polishing surface about the drilling.

As a further scheme of the invention: the polishing piece comprises accommodating grooves distributed around the rotating shaft in an array mode, a polishing block is arranged in each accommodating groove in a sliding fit mode, the inner end of each polishing block is connected and fixed with the accommodating grooves through accommodating springs, polishing surfaces are arranged on the upper surfaces and the lower surfaces of the accommodating springs, the polishing blocks can be accommodated in the accommodating grooves under the action of the accommodating springs, inward concave conical surfaces are arranged on the surfaces of the rotating shafts on the upper sides and the lower sides of the accommodating grooves, the problem of interference caused by the fact that the rotating shafts move up and down is solved due to the retractable structure, after drilling is completed, polishing operation needs to be carried out on the upper surfaces and the lower surfaces of drilled holes, when the upper surfaces of the drilled holes are polished, the polishing blocks extend out of the accommodating grooves under the action of centrifugal force, the lower end surfaces of the polishing blocks can form the polishing surfaces, the polishing blocks can polish the upper end surfaces of the drilled holes along with the fact that the rotating shafts continue to move down, and when the lower end surfaces of the drilled holes are polished, the rotational speed of rotation axis is reduced earlier for the groove is accomodate to the sanding block income, then makes the rotation axis downstream, makes inside the sanding block descends to the shell, then improves slew velocity, and along with the improvement of rotational speed, the sanding block extends from accomodating the groove again, then through the rebound sanding block, thereby polishes the processing to the drilling lower surface.

As a further scheme of the invention: the rotary shaft surface of both sides is equipped with respectively about the piece of polishing and is used for gassy first fumarole and second fumarole, second fumarole and first fumarole and air guide channel intercommunication, the jet-propelled end of first fumarole and second fumarole is towards the horizontal plane of piece place of polishing.

As a further scheme of the invention: the overturning clamping part comprises a horizontal sliding groove arranged on the horizontal plane of the support frame, two vertical plates are arranged on two sides of the horizontal sliding groove in a sliding mode respectively, the two vertical plates are connected and used for driving a thread pushing part close to or far away from the overturning clamping part, a guide hole is formed in the lower end of each vertical plate, an extension rod is arranged in each guide hole in a sliding fit mode, a clamping fixing seat is arranged at the lower end of each extension rod, the clamping fixing seat is connected and used for driving the clamping fixing seat to move up and down so as to adjust a first push rod of the clamping height, a rotating motor is installed on the outer side of the clamping fixing seat, and a clamping part used for pressing the surface of a workpiece is arranged at the output end of the rotating motor.

As a further scheme of the invention: the clamping piece comprises a clamping block and a plurality of rectangular blocks arranged on the clamping face of the clamping piece, a connecting ball is arranged in a spherical cavity in the upper end of each rectangular block in a matched mode, the upper end of the connecting ball is connected with an adjusting block, a plurality of telescopic holes are formed in the surface of the adjusting block, a pressing column is arranged in each telescopic hole in a sliding fit mode, the end portion of each pressing column is provided with a pressing head for preventing a workpiece from being damaged by pressing, the lower end of each pressing column is connected with the inner cavity of the adjusting block through a pressing spring, and a plurality of fine-adjusting springs for connecting the clamping block are distributed on the lower end of the adjusting block in an array mode.

As a further scheme of the invention: the thread pushing part comprises a transmission screw hole penetrating through the vertical plate, an adjusting screw rod is arranged in the transmission screw hole in a matched mode, the outer end of the adjusting screw rod is rotatably connected with a fixed block on the supporting frame, and the inner end of the adjusting screw rod is fixedly connected with the output end of the horizontal motor.

Compared with the prior art, the invention has the beneficial effects that: the device is designed aiming at the defects of the existing device, can perform flowing-water type hole opening on the workpiece, and polish the upper end surface and the lower end surface of the opening, does not need to switch the stations again, effectively improves the working efficiency, can perform turnover operation on the workpiece, further improves the processing efficiency, can promote airflow movement, improves the heat dissipation effect of a polishing position, enables the polishing process to be performed continuously, and prolongs the service life of the device.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

FIG. 3 is a schematic structural diagram of A of the present invention.

Fig. 4 is a schematic structural view of the clamping member of the present invention.

Wherein: the device comprises a base 11, a connecting frame 12, a lifting pushing piece 13, a supporting frame 14, a base 15, a horizontal sliding groove 16, a drilling motor 17, a horizontal motor 18, a feeding pushing rod 19, an adjusting screw rod 20, a vertical plate 21, a guide hole 22, a first pushing rod 23, a clamping fixing seat 24, a rotating motor 25, a clamping piece 26, a conveying belt 27, a drill bit 28, a rotating shaft 29, a buffer box 30, an air inlet blade 31, an air guide channel 32, a storage groove 33, a first air injection hole 34, a grinding block 35, a storage spring 36, a second air injection hole 37, a clamping block 38, a rectangular block 39, a connecting ball 40, a fine adjustment spring 41, a pressing head 42, a pressing column 43, a pressing spring 44 and an adjusting block 45.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, in an embodiment of the present invention, an efficient drilling device for processing a computer case includes a base 11 and a transmission belt 27 disposed above the base for transmitting a workpiece to be processed, a fixed vertical plate is vertically disposed on an upper right side of the base 11, the fixed vertical plate is connected and fixed to the transmission belt 27 through a connection frame 12, a lifting pushing member 13 is disposed at an upper end of the fixed vertical plate, an L-shaped supporting frame 14 is disposed at an output end of the lifting pushing member 13, and a drilling part for drilling the workpiece and an overturning clamping part for clamping and overturning the workpiece to switch a drilling surface are disposed at an upper end of the supporting frame 14;

the drilling part comprises a base 15 arranged below a support frame 14, two sides of the upper end of the base 15 are connected with a feeding push rod 19 for driving the base 15 to move up and down, a drilling motor 17 is arranged in the middle of the upper end of the base 15, the output end of the drilling motor 17 is provided with a rotating shaft 29, a cache box 30 which is coaxial with the rotating shaft 29 is arranged outside the rotating shaft 29, a plurality of air inlets are distributed outside the cache box 30 in an array manner, an air inlet blade 31 for guiding air flow to enter is arranged at each air inlet in a matching manner, an air guide channel 32 communicated with the inner cavity of the cache box 30 is arranged inside the rotating shaft 29, a drill bit 28 for drilling is arranged at the lower end of the rotating shaft 29, and a polishing part for polishing the upper surface and the lower surface of the drill hole is arranged outside the rotating shaft 29 close to the drill bit 28;

the polishing piece comprises accommodating grooves 33 distributed around the rotating shaft 29 in an array mode, a polishing block 35 is arranged in each accommodating groove 33 in a sliding fit mode, the inner end of each polishing block 35 is fixedly connected with each accommodating groove 33 through an accommodating spring 36, the upper surface and the lower surface of each accommodating spring 36 are provided with polishing surfaces, under the action of each accommodating spring 36, each polishing block 35 can be accommodated in each accommodating groove 33, the surfaces of the rotating shafts 29 on the upper side and the lower side of each accommodating groove 33 are provided with inwards concave conical surfaces, the contraction type structure avoids the problem of interference caused when the rotating shafts 29 move up and down, the surfaces of the rotating shafts 29 on the upper side and the lower side of each polishing block 35 are respectively provided with a first air injection hole 34 and a second air injection hole 37 for injecting air, the second air injection holes 37 and the first air injection holes 34 are communicated with the air guide channels 32, after drilling is completed, the upper surfaces and the lower surfaces of drilled holes need to be polished, and when the upper surfaces of the drilled holes are polished first, under the action of centrifugal force, the polishing block 35 extends out of the accommodating groove 33, the lower end face of the polishing block 35 forms a polishing face, the polishing block 35 polishes the upper end face of the drill hole along with the continuous downward movement of the rotating shaft 29, when the lower end face of the drill hole is polished, the rotating speed of the rotating shaft 29 is firstly reduced, the polishing block 35 is accommodated in the accommodating groove 33, then the rotating shaft 29 moves downwards, the polishing block 35 descends into the shell, the rotating speed is then increased, along with the increase of the rotating speed, the polishing block 35 extends out of the accommodating groove 33, then the polishing block 35 moves upwards, the lower surface of the drill hole is polished, so that the upper side and the lower side of the drill hole can be rapidly deburred, when the cache box 30 drives the air inlet blade 31 to rotate rapidly, air can rapidly enter the cache box 30 and then flows along the air guide channel 32, finally, the air is discharged from the first air injection hole 34 and the second air injection hole 37, so that the temperature of the grinding position is reduced, and the service life of the grinding part is prolonged;

the overturning clamping part comprises a horizontal sliding groove 16 arranged on the horizontal plane of a support frame 14, two sides of the horizontal sliding groove 16 are respectively provided with a vertical plate 21 in a sliding manner, the two vertical plates 21 are connected with a thread pushing part for driving the two vertical plates to approach or depart from, the lower end of each vertical plate 21 is provided with a guide hole 22, an extension rod is matched in the guide hole 22 in a sliding manner, the lower end of the extension rod is provided with a clamping fixed seat 24, the clamping fixed seat 24 is connected with a first push rod 23 for driving the clamping fixed seat to move up and down so as to adjust the clamping height, a rotating motor 25 is arranged on the outer side of the clamping fixed seat 24, the output end of the rotating motor 25 is provided with a clamping part 26 for pressing the surface of a workpiece, and the rotating motor 25 drives the clamping part 26 to overturn, so that the machining surface of the workpiece is switched, and the machining efficiency is improved;

in order to improve the clamping effect, the clamping member 26 comprises a clamping block 38 and a plurality of rectangular blocks 39 arranged on the clamping surface of the clamping block, a connecting ball 40 is arranged in a spherical cavity at the upper end of the rectangular block 39 in a matching manner, the upper end of the connecting ball 40 is connected with an adjusting block 45, a plurality of telescopic holes are formed in the surface of the adjusting block 45, a pressing column 43 is arranged in each telescopic hole in a sliding fit manner, a pressing head 42 for preventing a workpiece from being pressed and damaged is arranged at the end part of the pressing column 43, the lower end of the pressing column 43 is connected with the inner cavity of the adjusting block 45 through a pressing spring 44, a plurality of fine adjustment springs 41 for connecting the clamping block 38 are distributed at the lower end of the adjusting block 45 in an array manner, and fine adjustment can be carried out on the structure with the uneven surface of the shell, so that the contact area with the shell is maximally improved, and the problem of clamping damage is avoided;

the thread pushing part comprises a transmission screw hole penetrating through a vertical plate 21, an adjusting screw rod 20 is arranged in the transmission screw hole in a matched mode, the outer end of the adjusting screw rod 20 is rotatably connected with a fixed block on the supporting frame 14, the inner end of the adjusting screw rod 20 is fixedly connected with the output end of a horizontal motor 18, the adjusting screw rod 20 and the vertical plate 21 are driven to rotate relatively through the horizontal motor 18, the vertical plate 21 slides along the inner wall of a horizontal sliding groove 16 under the action of threads, and therefore the distance between the two vertical plates 21 is adjusted, and workpieces with different widths can be clamped and fixed.

The working principle of the invention is as follows: in practical use, a workpiece is conveyed by the conveying belt 27 by being placed at one end of the conveying belt 27, when the workpiece is conveyed to a preset position, the conveying belt 27 stops moving, at the moment, the threaded pushing part drives the two vertical plates 21 to approach each other, so that the two sides of the workpiece are clamped and fixed, then the base 15 is driven to descend by the feeding push rod 19, the drill bit 28 is driven to rotate rapidly by the drilling motor 17, so that the hole opening processing is completed, after the processing is completed, when the lower end face of a drilled hole is polished, the rotating speed of the rotating shaft 29 is reduced firstly, so that the polishing block 35 is accommodated in the accommodating groove 33, then the rotating shaft 29 moves downwards, so that the polishing block 35 descends into the shell, then the rotating speed is increased, along with the increase of the rotating speed, the polishing block 35 extends out of the accommodating groove 33, then the polishing block 35 is moved upwards, so that the lower surface of the drilled hole is polished, just so can carry out burring to both sides about the drilling fast, and when cache case 30 drives air inlet blade 31 fast turn, the air can get into cache case 30 fast, then flow along air guide channel 32, discharge in first fumarole 34 and the second fumarole 37 at last, thereby to the processing of cooling down of position of polishing, help improving the life of the piece of polishing, single face processing finishes the back, drive holder 26 upset through rotating electrical machines 25, thereby switch the machined surface of work piece, help improving machining efficiency.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

Claims

1. A high-efficiency drilling device for machining a computer shell comprises a base (11) and a transmission belt (27) arranged above the base and used for transmitting workpieces to be machined, wherein a fixed vertical plate is vertically arranged on the upper right side of the base (11), the fixed vertical plate and the transmission belt (27) are fixedly connected through a connecting frame (12), a lifting pushing piece (13) is arranged at the upper end of the fixed vertical plate, and an L-shaped supporting frame (14) is arranged at the output end of the lifting pushing piece (13);

the device is characterized in that a drilling component used for drilling a workpiece and an overturning clamping component used for clamping the workpiece and overturning the workpiece to switch a drilling surface are arranged at the upper end of the supporting frame (14).

2. The efficient drilling device for machining the computer shell according to claim 1, wherein the drilling component comprises a base (15) arranged below a support frame (14), two sides of the upper end of the base (15) are connected with feeding push rods (19) used for driving the base to move up and down, a drilling motor (17) is arranged in the middle of the upper end of the base (15), an output end of the drilling motor (17) is provided with a rotating shaft (29), a buffer box (30) coaxially arranged with the rotating shaft (29) is arranged on the outer side of the rotating shaft (29), a plurality of air inlets are distributed in an array manner on the outer side of the buffer box (30), each air inlet is provided with an air inlet blade (31) used for guiding air flow to enter in a matching manner, an air guide channel (32) communicated with the inner cavity of the buffer box (30) is arranged inside the rotating shaft (29), and a drill bit (28) used for drilling is arranged at the lower end of the rotating shaft (29), and a grinding piece for grinding the upper surface and the lower surface of the drilled hole is arranged outside the rotating shaft (29) close to the drill bit (28).

3. The efficient drilling device for machining the computer shell according to claim 2, wherein the grinding member comprises receiving grooves (33) distributed around the rotating shaft (29) in an array manner, a grinding block (35) is slidably fitted in the receiving grooves (33), the inner ends of the grinding block (35) are fixedly connected with the receiving grooves (33) through receiving springs (36), the upper and lower surfaces of the receiving springs (36) are provided with grinding surfaces, the grinding block (35) can be received in the receiving grooves (33) under the action of the receiving springs (36), the surfaces of the rotating shaft (29) on the upper and lower sides of the receiving grooves (33) are provided with inward-recessed conical surfaces, the shrinkage structure avoids the problem of interference caused by the up-and-down movement of the rotating shaft (29), after drilling is completed, the upper and lower surfaces of the drilled hole need to be ground, when the upper surface of the drilled hole is ground first, grinding block (35) can be followed and is accomodate groove (33) and extend out under the effect of centrifugal force, grinding block (35) lower terminal surface can form the face of polishing, along with rotation axis (29) continue downstream, grinding block (35) can be polished the drilling up end, when polishing the terminal surface under the drilling, reduce the rotational speed of rotation axis (29) earlier, make grinding block (35) accomodate groove (33) in the income, then make rotation axis (29) downstream, make grinding block (35) descend inside the shell, then improve slew velocity, along with the improvement of rotational speed, grinding block (35) extend out from accomodating groove (33) again, then through rebound grinding block (35), thereby polish the processing to the drilling lower surface.

4. The efficient drilling device for machining the computer casing according to claim 3, wherein a first air injection hole (34) and a second air injection hole (37) for injecting air are respectively formed in the surfaces of the rotating shafts (29) on the upper side and the lower side of the grinding block (35), the second air injection hole (37) and the first air injection hole (34) are communicated with the air guide channel (32), and the air injection ends of the first air injection hole (34) and the second air injection hole (37) face the horizontal plane where the grinding block (35) is located.

5. The efficient drilling device for processing computer casing as claimed in claim 1, the overturning clamping component comprises a horizontal sliding chute (16) arranged on the horizontal plane of the supporting frame (14), two sides of the horizontal sliding chute (16) are respectively provided with a vertical plate (21) in a sliding way, the two vertical plates (21) are connected with a thread pushing piece for driving the two vertical plates to approach or depart from, the lower end of each vertical plate (21) is provided with a guide hole (22), an extension rod is slidably matched in the guide hole (22), a clamping fixed seat (24) is arranged at the lower end of the extension rod, the clamping fixed seat (24) is connected with a first push rod (23) which is used for driving the clamping fixed seat to move up and down so as to adjust the clamping height, a rotating motor (25) is arranged on the outer side of the clamping fixed seat (24), the output end of the rotating motor (25) is provided with a clamping piece (26) used for pressing the surface of a workpiece.

6. The efficient drilling device for machining the computer shell as claimed in claim 5, wherein the clamping member (26) comprises a clamping block (38) and a plurality of rectangular blocks (39) arranged on a clamping surface of the clamping block, a connecting ball (40) is arranged in a spherical cavity at the upper end of each rectangular block (39) in a matching manner, an adjusting block (45) is connected to the upper end of each connecting ball (40), a plurality of telescopic holes are formed in the surface of each adjusting block (45), a pressing column (43) is arranged in each telescopic hole in a sliding fit manner, a pressing head (42) for preventing a workpiece from being damaged by pressing is arranged at the end of each pressing column (43), the lower end of each pressing column (43) is connected with the inner cavity of each adjusting block (45) through a pressing spring (44), and a plurality of fine adjustment springs (41) connected with the clamping block (38) are distributed at the lower end of each adjusting block (45) in an array manner.

7. The efficient drilling device for machining the computer casing as claimed in claim 1, wherein the thread pushing member comprises a transmission screw hole penetrating through the vertical plate (21), an adjusting screw rod (20) is arranged in the transmission screw hole in a matching manner, the outer end of the adjusting screw rod (20) is rotatably connected with a fixed block on the supporting frame (14), and the inner end of the adjusting screw rod (20) is fixedly connected with the output end of the horizontal motor (18).

8. A drilling method of the high-efficiency drilling device for processing the computer casing as claimed in any one of claims 1 to 7, characterized in that the workpiece is conveyed by the conveyor belt (27) by placing the workpiece at one end of the conveyor belt (27), the conveyor belt (27) stops moving when the workpiece is conveyed to a predetermined position, the two vertical plates (21) are driven by the screw pusher to approach each other, so that the two sides of the workpiece are clamped and fixed, the base (15) is driven to descend by the feeding push rod (19), the drill bit (28) is driven to rapidly rotate by the drilling motor (17), so as to complete the hole opening process, after the hole opening process is completed, when the lower end surface of the drilled hole is polished, the rotation speed of the rotating shaft (29) is reduced, so that the polishing block (35) is accommodated in the accommodating groove (33), and then the rotating shaft (29) is moved downward, so that the polishing block (35) descends to the inside of the casing, then improve slew velocity, along with the improvement of rotational speed, grinding block (35) extend from accomodating groove (33) again, then through rebound grinding block (35), thereby polish the processing to the drilling lower surface, just so can carry out burring processing to both sides about the drilling fast, and when cache case (30) drive air inlet blade (31) fast turn-round, the air can get into in cache case (30) fast, then flow along air guide channel (32), discharge in first fumarole (34) and second fumarole (37) at last, thereby cool down the processing to the position of polishing, help improving the life of grinding, the back is accomplished in the single face processing, drive holder (26) upset through rotating electrical machines (25), thereby the machined surface of switching work piece, help improving machining efficiency.