CN110421190A - A kind of drilling machine - Google Patents
A kind of drilling machine Download PDFInfo
- Publication number
- CN110421190A CN110421190A CN201910613009.2A CN201910613009A CN110421190A CN 110421190 A CN110421190 A CN 110421190A CN 201910613009 A CN201910613009 A CN 201910613009A CN 110421190 A CN110421190 A CN 110421190A
- Authority
- CN
- China
- Prior art keywords
- drilling machine
- drill bit
- hole
- rotating platform
- workbench
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
- B23Q17/2404—Arrangements for improving direct observation of the working space, e.g. using mirrors or lamps
Abstract
A kind of drilling machine, including drilling machine itself, it is characterized in that, described drilling machine itself further includes rotating device and rig floor, drilling machine bottom end itself is equipped with shaft and self-tightening drill chuck, the drill bit group being equipped with inside the rotating device at no less than one, the shaft connects the rotating device, the self-tightening drill chuck is used cooperatively with the drill bit group, the rig floor is located at the underface of the rotating device, different type hole location can not be coped with by solving conventional borehole machine, and running drill bit heating abrasion for a long time, metal fragment accumulation, ultimately cause drilling machine can not continued operation the problem of.
Description
Technical field
The present invention relates to the technical fields of mechanical equipment, and in particular to arrives a kind of drilling machine.
Background technique
It is frequently necessary to carry out boring work to various panels in present industrial processes, existing drilling process is to pass through folder
Tool, which is fixed after panel, again drills to panel by drilling machine, needs to drill through multiple holes on a panel but if encountering
When will become abnormal cumbersome, in the file of Patent No. CN201410825606.9, propose a kind of novel more bit bore machines,
Disposable large batch of drilling operation may be implemented in this drilling machine, improves work efficiency, but in production application,
The hole that same plate needs to drill through different-diameter size is often encountered, if only using a kind of drill bit, is replaced different
Drill bit will expend the very long time, and drilling machine works long hours, it may appear that bit wear influences drilling efficiency and brill
The problem of head temperature excessively high damage components, a large amount of metal fragment can also be saved bit by bit on table top, influence the work of worker and be good for
Health, eventually leading to can not continued operation.
Summary of the invention
(1) technical problems to be solved
The present invention provides a kind of drilling machine, and different type hole location can not be coped with by solving conventional borehole machine, and running is bored for a long time
Head heating abrasion, metal fragment accumulation, ultimately cause drilling machine can not continued operation the problem of.
(2) technical solution
To solve the technical problem, the present invention provides a kind of drilling machine, including drilling machine itself, and described drilling machine itself also wraps
Include rotating device and rig floor, described drilling machine bottom end itself is equipped with shaft and self-tightening drill chuck, inside the rotating device
Equipped with the drill bit group at no less than one, the shaft connects the rotating device, the self-tightening drill chuck and the drill bit group
It is used cooperatively, the rig floor is located at the underface of the rotating device.
It advanced optimizes, the rotating device is successively arranged rotating platform A and rotating platform B, the rotation from top to down
Turn platform A and be equipped with through-hole A in center, and be equipped with through-hole C on the side of the through-hole A, the rotating platform B is in centre bit
Through-hole B has been installed, and has been evenly distributed with through-hole D beside the through-hole B, the quantity of the through-hole D and the drill bit group phase
Together, the shaft runs through the rotating platform A by the through-hole A, and the shaft is solid by the through-hole B and rotating platform A
Fixed connection, the self-tightening drill chuck are fixedly connected through the through-hole C with the rotating platform A.
It advanced optimizes, for the tip of the axis that turns equipped with lug, the lug enables shaft to follow rotating platform B
It rotates together.
It advanced optimizes, the drill bit group is attached on the through-hole D, and inside includes bit sleeve and drill bit, described
Drill bit external member is hollow cylinder, and diameter is less than the through-hole D, and the drill bit runs through the bit sleeve, and tail portion exceeds
The upper edge of the bit sleeve.
It advanced optimizes, the top of the bit sleeve is equipped with circular top cap, and the diameter of the top cap is greater than described
The part lower end of bit sleeve, the super place's bit sleeve of the top cap is equipped with flat thin magnet for fixing, when drill bit group space
When can be fixed on the rotating platform by the lifting magnet, when the work of drill bit group, the drill bit and the self-tightening type
Drill chuck connection.
It advanced optimizes, the lower center position of the rotating platform B is equipped with the bank light for night illumination.
It advanced optimizes, the rig floor includes the buffer table positioned at the workbench on upper layer and positioned at lower layer, the workbench bag
Include groove, water outlet and water inlet, the groove is the one of which of right-angled trapezium and right angled triangle, the groove it is straight
The same level that is in of the arm of angle and the workbench, the bevel edge bottom end of the groove are equipped with drainage ditch, the drainage ditch connection
The water inlet, the water inlet are located at the side of the workbench.
It advanced optimizes, described water inlet one end is equipped with silica gel hose, and the other end is for connecting running water pipe, the silicon
Glue hose end is equipped with spray gun, temperature that the metal fillings accumulation above the workbench is excessive or the drill bit works long hours
When excessively high, current scour metal fillings is sprayed by the spray gun and is cooled down to drill bit, waste water can going out from the bottom of the groove
Mouth of a river outflow.
It advanced optimizes, semienclosed enclosing is equipped with above the workbench, the top of the groove bevel edge is equipped with
For putting the platen of workpiece, the platen is used cooperatively with the drill bit group.
It advanced optimizes, the groove is 30 degree to 40 degree at the inclination angle of bevel edge.
(3) beneficial effect
The present invention is provided with rotating device and drill bit group on drilling machine, and a drilling machine can be with mating multiple bit model sizes
Different drilling groups beats the different hole of diameter at the moment when needing to bore, can choose different drilling groups, and when drill end abrasion
It is also identical operating principle when needing replacing；The fixation of drilling group and puncher itself is self-tightening drill chuck to realize, ten
Point easily and effectively, rotating device is adjusted, mating to set up corresponding drilling group and be punched, in addition to this, the present invention is also set
Have and is equipped with the spray gun that can control water flow and the workbench convenient for blowdown, side with the matching used drilling machine structure of drilling machine, drilling machine
Just the effect that the metal fillings on cleaning rig floor and realization cool down to drill bit in time, while drilling machine further includes having shock-absorbing function
Buffer table, avoiding machine, running damages components because of high-frequency vibration for a long time, and the bottom of rotating platform is finally provided with row
Lamp, light source face workbench, convenient day and night break tour continue working.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of drilling machine；
Fig. 2 is the structural schematic diagram of rotating device；
Fig. 3 is the structural schematic diagram of drill bit group bottom；
Fig. 4 is the structural schematic diagram of the bottom rotating platform B；
Fig. 5 is the diagrammatic cross-section of rig floor；
Fig. 6 is the top view of rig floor；
Fig. 7 is the structural schematic diagram of buffer table；
Wherein, 100, drilling machine fuselage；200, rotating device；300, rig floor；110, shaft；111, lug；120, self-tightening type bores
Collet；210, rotating platform A；220, rotating platform B；230, drill bit group；211, through-hole A；212, through-hole B；221, through-hole C；
222, through-hole D；223, bank light；231, bit sleeve；232, drill bit；233, top cap；234, flat thin magnet；310, workbench；320,
Buffer table；311, groove；312, water inlet；313, water outlet；314, drainage ditch；315, silica gel hose；316, spray gun；317, it encloses
Gear；331, upper plank layer；332, spongy layer；333, lower plank layer.
Specific embodiment
Below with reference to embodiment and attached drawing 1-7, specific embodiments of the present invention will be described in further detail.Following reality
Example is applied for illustrating the present invention, but is not intended to limit the scope of the invention.
As depicted in figs. 1 and 2, a kind of drilling machine, including drilling machine itself, described drilling machine itself further include rotating device
200 and rig floor 300, described drilling machine bottom end itself is equipped with shaft 110 and self-tightening drill chuck 120, the rotating device 200
Inside is equipped with the drill bit group 230 at no less than one, and the shaft 110 connects the rotating device 200, to guarantee rotating device
200 normally rotate around drilling machine itself, and the center of drilling machine bottom itself, shaft 110 and self-tightening is arranged in shaft 110
120 keeping parallelism of formula drill chuck, the self-tightening drill chuck 120 are used cooperatively with the drill bit group 230,300, the rig floor
In the underface of the rotating device 200.
Self-tightening drill chuck 120 mentioned above is one of machine tool accessories product, is mainly used to clamp drilling tool drilling
, and common drill chuck mainly has 120 liang of classes of spanner-type drill chuck and self-tightening drill chuck, spanner-type drill chuck master on the market
Will be because of the limitation of self structure, spanner-type drill chuck precision is not high, is mainly used for bench drill, small-sized radial drilling machine, electronic work
The occasions of less demanding to clamp precision such as tool, drilling machine of the invention want precision due to being provided with rotating device 200
Ask higher, so fixation principle is by its internal screw and to be mounted in drill body inclined hole using self-tightening drill chuck 120
Clamping jaw engagement caused by.
Specifically, as shown in Fig. 2, the rotating device 200 is successively arranged rotating platform A210 and rotary flat from top to down
Platform B220, the rotating platform B220 are one piece of round iron plate, and the rotating platform A210 is solid with drilling machine itself by welding
It is fixed, and there is no limit for the material of rotating platform A210 and shape, the rotating platform A210 is equipped with through-hole A211 in center,
And it is equipped with through-hole C221 on the side of the through-hole A211, the rotating platform B220 is equipped with through-hole B212 in center, and
Through-hole D222 is evenly distributed with beside the through-hole B212, the quantity of the through-hole D222 is identical as the drill bit group 230.
Wherein, the shaft 110 runs through the rotating platform A210, and the diameter of shaft 110 by the through-hole A211
Less than through-hole A211, rotating platform A210 does not influence the rotation of shaft 110, and the end of the shaft 110 is in the position of through-hole B212
The place of setting is welded and fixed with rotating platform B220, and the self-tightening drill chuck 120 runs through the rotary flat by the through-hole C221
Platform A210, rotating platform A210 be to maintain in rotating device 200 it is static, be mainly used for enhancing rotating device 200 carry out
Whole stability, prevents self-tightening drill chuck 120 from damaging in more bit change 232 because of external force when rotation.
The end of the shaft 110 is equipped with lug 111, and the lug 111, which is mainly used for playing, reinforces rotating platform B220
Effect, prevent drilling machine due to working for a long time, the pad of through-hole B212 is impaired, and rotating platform B220 falls.
As shown in Fig. 2, the drill bit group 230 is by 232 casing 231 of drill bit and a drill bit group 230 at drill bit 232
Casing 231 and drill bit 232 are fixed by screws, and the screw is fixed in the side of 232 casing 231 of drill bit, and screw
Top prevents the rotation for influencing drill bit group 230 without departing from 232 casing 231 of drill bit, and 232 external member of drill bit is hollow cylinder,
And diameter is less than the through-hole D222, the top of 232 casing 231 of drill bit is welded with circular top cap 233, the top cap
233 diameter is greater than the through-hole D222, and such structure cover drill bit group 230 integrally in T font structure, can in through-hole
It is not fallen out on D222, and since the diameter of 232 casing 231 of drill bit is less than the through-hole D222, when rotated, Bu Huiyu
The contact of through-hole D222, to generate friction effects drilling.
Wherein, the upper edge of 232 casing 231 of drill bit, the convenient self-tightening type with top are run through in the top of the drill bit 232
Drill chuck 120 is connected and fixed, and 232 top of drill bit specifically needs to guarantee beyond partial-length, in drill bit 232 and self-tightening drill chuck
120 when being fixedly connected, and there are gaps by top cap 233 and rotating platform B220, when preventing drill bit group 230 from rotating, top cap 233 with rotation
Turn platform B220 friction and generate interference, the lower edge of 232 casing 231 of drill bit is run through in the bottom of the drill bit 232.
As described in Figure 3, the top cap, which 233 surpasses, locates the lower edge position of the part of 232 casing 231 of drill bit and is pasted with one
The flat thin magnet 234 of loop, on the one hand, flat thin magnet 234 can be used for spare drill bit group 230 being fixed on rotating platform B220
Surface, prevent from generating shaking because drill bit group 230 is attached on through-hole D222, on the other hand, since the suction of magnet is limited,
Can be in a vacant state when drill bit group 230 works, flat thin magnet 234 will be far from the surface of rotating platform B220, and suction weakens, no
Boring work can be had an impact, when drill bit 230 space of group, the rotary flat can be fixed on by the flat thin magnet 234
On platform, when drill bit group 230 works, the drill bit 232 is connect with the self-tightening drill chuck 120, when certain drill bit group 230
Because working long hours, when drill bit 232 is worn, or the hole for needing brill to beat different-diameter is at the moment, removes present drill bit 232 and institute
The connection for stating self-tightening drill chuck 120 selects suitable drill bit group 230 by stirring rotating platform B220, again with self-tightening type
The pairing connection of drill chuck 120, continues to punch.
Since saying it is sustainable running, necessarily to meet the break tour production at daytime and night, and in night operation, although
There is illuminator in workshop, but drilling is a fine job, is preferably formed with the light source of one group of short distance spotlighting, therefore
The lower center position of the rotating platform B220 is equipped with one group of bank light 223 for night illumination, as shown in figure 4, the bank light
223 are made of small LED light, are distributed in array, particular number can be arranged according to actual needs, such as 4X4,5X5, as far as possible
Guarantee that platen does not have shade dead angle nearby.
As shown in Figure 1 and Figure 5, the rig floor 300 includes for the workbench 310 of operation and positioned at lower layer positioned at upper layer for delaying
The buffer table 320 of shake is eaten up part of, the workbench 310 is the wooden unit structure of one piece of cuboid, and is equipped with water inlet in lateral location
312 and water outlet 313, one end of the water inlet 312 is equipped with silica gel hose 315, and the other end connects running water pipe, the silica gel
315 end of hose is equipped with spray gun 316, and spray gun 316 can control the water flow size in running water pipe, when drilling machine continued operation
When, the metal fillings that processing part generates will certainly be deposited in 310 surface of workbench, and punch for a long time, at drill bit 232
Also the case where will appear overheat, workpiece is damaged, therefore the metal fillings above workbench 310 accumulates excessive or institute
It states drill bit 232 to work long hours when the temperature is excessively high, current scour workbench 310 is sprayed by the spray gun 316 and to drill bit
232, it can achieve the effect that cleaning and cooling；The end of the water outlet 313 connects useless pond, and the other end leads in workbench 310
Portion is mainly used for the waste liquid discharge in workbench 310.
Specifically, the top surface of workbench 310 is equipped with groove 311 at one, the groove 311 is located at 310 top of workbench
Central location, shape are a right angled triangle, and the right-angle side of the groove 311 is in same water with the workbench 310
Plane, as shown in fig. 6, the bevel edge bottom end of the groove 311 is provided with a drainage ditch 314, the drainage ditch 314 connect it is described go out
The mouth of a river 313 is mainly used for guiding dirty water and metal fillings outflow workbench 310.
Wherein, the groove 311 controls between 30 degree to 40 degree in the tilt angle ranges of bevel edge, if because inclination angle
It is too low that groove 311 can be made narrow and too deep, it is narrow inner space to be made to reduce, excessive workpiece can not be processed, it is too deep to will increase
Internal shaded area, will affect the machining accuracy of workpiece when light source deficiency；Inclination angle is excessively high, and groove 311 can be made excessively shallow,
Meeting generates limitation to the length of drilling group spare in rotating platform, and excessively high drilling group can resist groove 311, and groove
311 it is excessively shallow when, with spray gun 316 rinse when can The water splash in all directions, metal fillings and dirty water make rig floor 300 dirty, not easy cleaning.
Specifically, being equipped with semienclosed enclosing 317 above the workbench 310, enclosing 317 is arranged around groove 311,
It is mainly used for collecting the metal fillings to splash, is gathered and facilitate flushing inside groove 311, while having certain blocking to water flow
Effect, prevents pollution rig floor 300, and the top of 311 bevel edge of groove is equipped with the platen for putting workpiece, the platen with
The drill bit group 230 is used cooperatively.
Specifically, as shown in fig. 7, the buffer table 320 be bonded with from top to bottom plank layer 331, spongy layer 332 and
Lower plank layer 333, prolonged drilling can have certain requirement to the damping effect of rig floor 300, and the vibration of drilling machine can make mould
The contact angle of tool and product generates deviation, causes stress not concentrate, finally results in burn failure, mold fragment flies out, and extra large
Continuous layer 332 can play absorption external force, the effect of bumper and absorbing shock, and upper plank layer 331 and lower plank layer 333 can guarantee buffer table
320 rigidity.In conclusion it is restricted embodiment of the invention, all those skilled in the art that above embodiment, which is not,
The modification or equivalent deformation that member is carried out on the basis of substantive content of the invention, in technology scope of the invention.
Claims (10)
1. a kind of drilling machine, including drilling machine itself, which is characterized in that described drilling machine itself further includes rotating device and brill
Platform, described drilling machine bottom end itself are equipped with shaft and self-tightening drill chuck, are equipped at no less than one inside the rotating device
Drill bit group, the shaft connect the rotating device, and the self-tightening drill chuck is used cooperatively with the drill bit group, the rig floor
Positioned at the underface of the rotating device.
2. a kind of drilling machine according to claim 1, which is characterized in that the rotating device is successively arranged rotation from top to down
Turn platform A and rotating platform B, the rotating platform A and be equipped with through-hole A in center, and is equipped with and leads on the side of the through-hole A
Hole C, the rotating platform B are equipped with through-hole B in center, and are evenly distributed with through-hole D beside the through-hole B, described
The quantity of through-hole D is identical as the drill bit group, and the shaft runs through the rotating platform A by the through-hole A, and the shaft is logical
It crosses the through-hole B to be fixedly connected with rotating platform A, the self-tightening drill chuck is solid through the through-hole C and rotating platform A
Fixed connection.
3. a kind of drilling machine according to claim 2, which is characterized in that the tip of the axis that turns is described convex equipped with lug
Ear enables shaft that rotating platform B is followed to rotate together.
4. a kind of drilling machine according to claim 3, which is characterized in that the drill bit group is attached on the through-hole D, interior
Portion includes bit sleeve and drill bit, and the drill bit external member is hollow cylinder, and diameter is less than the through-hole D, and the drill bit passes through
The bit sleeve is worn, and tail portion exceeds the upper edge of the bit sleeve.
5. a kind of drilling machine according to claim 4, which is characterized in that the top of the bit sleeve is equipped with circular top
Cap, the diameter of the top cap are greater than the bit sleeve, and the part lower end of the super place's bit sleeve of the top cap, which is equipped with, to be used for
Fixed flat thin magnet can be fixed on the rotating platform, when drill bit group work by the lifting magnet when drill bit group space
When making, the drill bit is connect with the self-tightening drill chuck.
6. a kind of drilling machine according to claim 2, which is characterized in that the lower center position of the rotating platform B is set
There is the bank light for night illumination.
7. a kind of drilling machine according to claim 1, which is characterized in that the rig floor include positioned at upper layer workbench and
Positioned at the buffer table of lower layer, the workbench includes groove, water outlet and water inlet, and the groove is right-angled trapezium and right angle
The one of which of triangle, the right-angle side of the groove and the workbench are in same level, the bevel edge of the groove
Bottom end is equipped with drainage ditch, and the drainage ditch connects the water inlet, and the water inlet is located at the side of the workbench.
8. a kind of drilling machine according to claim 7, which is characterized in that described water inlet one end is equipped with silica gel hose, separately
One end is equipped with spray gun for connecting running water pipe, the silica gel hose end, and the metal fillings above the workbench was accumulated
The more or described drill bit works long hours when the temperature is excessively high, sprays current scour metal fillings by the spray gun and drops to drill bit
Temperature, waste water can be flowed out from the water outlet of the bottom of the groove.
9. a kind of drilling machine according to claim 8 any one, which is characterized in that be equipped with half above the workbench and seal
The enclosing of enclosed, the top of the groove bevel edge are equipped with the platen for putting workpiece, and the platen is assembled with the drill bit
It closes and uses.
10. a kind of drilling machine according to claim 7, which is characterized in that the groove is 30 degree at the inclination angle of bevel edge
To 40 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910613009.2A CN110421190A (en) | 2019-07-09 | 2019-07-09 | A kind of drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910613009.2A CN110421190A (en) | 2019-07-09 | 2019-07-09 | A kind of drilling machine |
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| Publication Number | Publication Date |
|---|---|
| CN110421190A true CN110421190A (en) | 2019-11-08 |
Family
ID=68409060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910613009.2A Pending CN110421190A (en) | 2019-07-09 | 2019-07-09 | A kind of drilling machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112974885A (en) * | 2021-02-24 | 2021-06-18 | 吉林圆方机械集团有限公司 | Multi-center-distance drilling device |
| CN114535638A (en) * | 2022-03-17 | 2022-05-27 | 广东骏亚电子科技股份有限公司 | Manufacturing method for improving aperture precision |
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|---|---|---|---|---|
| CN112974885A (en) * | 2021-02-24 | 2021-06-18 | 吉林圆方机械集团有限公司 | Multi-center-distance drilling device |
| CN114535638A (en) * | 2022-03-17 | 2022-05-27 | 广东骏亚电子科技股份有限公司 | Manufacturing method for improving aperture precision |
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Application publication date: 20191108 |
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