CN109940189A - Drilling equipment is used in a kind of safe protection engineering easy to use construction - Google Patents
Drilling equipment is used in a kind of safe protection engineering easy to use construction Download PDFInfo
- Publication number
- CN109940189A CN109940189A CN201711386617.1A CN201711386617A CN109940189A CN 109940189 A CN109940189 A CN 109940189A CN 201711386617 A CN201711386617 A CN 201711386617A CN 109940189 A CN109940189 A CN 109940189A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- motor
- workpiece
- support plate
- plate
- 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
Links
Landscapes
- Drilling And Boring (AREA)
Abstract
The invention discloses a kind of safe protection engineering construction drilling equipments easy to use, including bottom plate, the two sides of the plate upper surface are fixedly connected with the lower surface of two the first support plates respectively, and two the first support plate opposite faces are connected with bearing, and the inner surface of two bearings is socketed with shaft, and the opposite face of two shafts is fixedly connected to the second support plate.The safe protection engineering construction drilling equipment easy to use, to which workpiece be fixed, so that drill bit is moved downward while rotating to Workpiece boring, so that 180 degree of workpiece rotation, it drills again to the another side of workpiece, to which workpiece be drilled through, it is retightened without again being removed workpiece with worker, the location of workpiece is avoided during workpiece turning and angle shifts, so that drill bit can preferably drill through workpiece, to which the work to worker is brought conveniently, be conducive to the work of worker.
Description
Technical field
The present invention relates to field of mechanical technique, drilling equipment is used in specially a kind of safe protection engineering construction easy to use.
Background technique
Drilling machine refers to the side using the tool harder, sharper keen than object by rotary cutting or rotary squeezing
Formula, the machinery and equipment that cylindrical hole or hole are left on object are referred to as, and also have referred to as drilling machine, puncher, perforator, through-hole
Machine etc..By drilling to precise part, to get a desired effect, drilling machine has automatic drills and Full-automatic drilling
Machine, with the increase of cost of human resources;Most enterprises consider full-automatic drilling machine as developing direction, with the epoch
Development, the promotion of the drilling technique of automatic drilling machine, using full-automatic drilling machine to various hardware dies, watchband drilling, watchband
Drilling and jewellery drill with the obvious advantage.
Due to the limitation of this body length of drill bit, common drilling machine is not easy in work pieces process biggish to thickness from a certain
Face is punched, and is drilled so needing to remove workpiece from bearing to the another side of workpiece, but to workpiece another side
When drilling, the position of punching can be easy to cause to shift because of angle or the difference of position, to give the punching work of worker
Inconvenience is brought, the work of worker is unfavorable for, one kind can be from two-sided punching not it is easier that workpiece so people begin one's study
The puncher of positional shift occurs.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of safe protection engineering construction drilling equipment easy to use,
Solves the limitation due to this body length of drill bit, common drilling machine is not easy from certain one side in work pieces process biggish to thickness
It punches, drills so needing to remove workpiece from bearing to the another side of workpiece, but bored to workpiece another side
Kong Shi can be easy to cause the position of punching to shift, to give the punching work of worker because of angle or the difference of position
The problem of bringing inconvenience, being unfavorable for the work of worker.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of safe protection engineering construction brill easy to use
Aperture apparatus, including bottom plate, the two sides of the plate upper surface are fixedly connected with the lower surface of two the first support plates respectively, and
Two the first support plate opposite faces are connected with bearing, and the inner surface of two bearings is socketed with shaft, and two turn
The opposite face of axis is fixedly connected to the second support plate, and the opposite face of two the second support plates is fixedly connected to third branch
Fagging, and the upper surface of two the second support plates is fixedly connected to the 4th support plate, and under two the 4th support plates
Surface is fixedly connected to the first electric pushrod, and the bottom end of two the first electric pushrods is fixedly connected to pressing plate, described
Pressing plate is located at the top of third support plate, and the right end for being located at the shaft on right side is fixedly connected with gear, and gear engages
There is driving device, the left side of the driving device is fixedly connected with the right side for the first support plate for being located at right side, and two
The opposite face of a first support plate offers sliding slot, and the same slide bar, the slide bar are slidably connected in two sliding slots
Front be fixedly connected with first motor, and the lower surface of first motor fuselage is fixedly connected with fixed plate, the fixed plate
Lower surface be fixedly connected with the second motor, drill bit is fixedly connected on the output shaft of second motor, the drill bit is located at
Between two the 4th support plates, be fixedly connected with threaded post on the output shaft of the first motor, and the surface of threaded post with
Thread cap is threadedly coupled, and the thread cap back side is fixedly connected with the front of fixed link, and the both ends of the fixed link are respectively with two
The opposite face of a first support plate is fixedly connected.
Preferably, the lower surface of base plate is fixedly connected there are four supporting leg, and four supporting legs are located at bottom plate
Lower surface four corners.
Preferably, the driving device include the 5th support plate, the left side of the 5th support plate be located at right
The right side of the first support plate be fixedly connected, the front of the 5th support plate is fixedly connected with teeth by the second electric pushrod
Bar, the ratch are meshed with gear.
Preferably, first support plate left side is fixedly connected with battery and control panel, and the battery is located at
The lower section of control panel.
Preferably, the output end of the battery is electrically connected with the input terminal of control panel, the output of the control panel
End is electrically connected with the input terminal of the first electric pushrod, the second electric pushrod, first motor and the second motor respectively.
Preferably, the revolving speed of second motor is ten times of first motor revolving speed, the slide bar front and back away from
It is adapted at a distance from inner wall from before and after sliding slot inner surface.
(3) beneficial effect
The present invention provides a kind of safe protection engineering construction drilling equipment easy to use, have it is following the utility model has the advantages that
(1), the safe protection engineering construction drilling equipment easy to use, workpiece is placed in two third support plates,
So that the first electric pushrod is extended and is moved downward with dynamic pressure plate, to workpiece be fixed, so that first motor and the second motor
It rotates forward, under the cooperation of slide bar, sliding slot, threaded post, thread cap and fixed link, so that drill bit is transported downwards while rotating
It is dynamic to Workpiece boring, when workpiece after being drilled on one side, so that first motor and the second motor reversal, so that on drill bit
It rises, so that the second electric pushrod extends, so that 180 degree of workpiece rotation, then drill to the another side of workpiece,
To drill through workpiece, is retightened without again being removed workpiece with worker, workpiece position is avoided during workpiece turning
It sets and shifts with angle, so that drill bit can preferably drill through workpiece, so that the work to worker is brought conveniently,
Be conducive to the work of worker.
(2), the safe protection engineering construction drilling equipment easy to use, by the way that battery is arranged, battery can give first
Electric pushrod, the second electric pushrod, first motor and the second motor provide electric power, to make the first electric pushrod, second electronic
Push rod, first motor and the second motor can work normally, and structure of the invention is compact, and design is rationally, practical.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure that the present invention faces;
Fig. 2 is the structural schematic diagram of the right view of driving device of the present invention.
In figure: 1 bottom plate, 2 first support plates, 3 shafts, 4 bearings, 5 batteries, 6 control panels, 7 threaded posts, 8 thread caps,
9 first motors, 10 fixed plates, 11 drill bits, 12 sliding slots, 13 slide bars, 14 the 4th support plates, 15 first electric pushrods, 16 second
Fagging, 17 pressing plates, 18 third support plates, 19 gears, 20 driving devices, 201 the 5th support plates, 202 second electric pushrods, 203
Ratch, 21, supporting leg, 22 fixed links, 23 second motors.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs. 1-2, the present invention provides a kind of technical solution: a kind of safe protection engineering construction drilling dress easy to use
It sets, including bottom plate 1, the two sides of 1 upper surface of bottom plate are fixedly connected with the lower surface of two the first support plates 2 respectively, 1 following table of bottom plate
Face is fixedly connected there are four supporting leg 21, and four supporting legs 21 are located at the four corners of the lower surface of bottom plate 1, by setting
Supporting leg 21 is set, to keep bottom plate 1 more stable, and two 2 opposite faces of the first support plate are connected with bearing 4, first
2 left side of fagging is fixedly connected with battery 5 and control panel 6, and by setting battery 5 and control panel 6, battery 5 can
To supply electric power, so that the first electric pushrod 15 enable, the second electric pushrod 202, first motor 9 and the second motor 23 are just
Often work, control panel 6 can be convenient worker and control the first electric pushrod 15, the second electric pushrod 202, first motor 9 and the
Two motors 23 work normally, and battery 5 is located at the lower section of control panel 6, the input of the output end and control panel 6 of battery 5
End electrical connection, the output end of the control panel 6 respectively with the first electric pushrod 15, the second electric pushrod 202, first motor 9
Be electrically connected with the input terminal of the second motor 23, and the inner surface of two bearings 4 is socketed with shaft 3, by setting shaft 3 with
Bearing 4 enables the second support plate 16 to rotate, and rotates in bearing 4 so that shaft 3 is more stable, and two shafts 3
Opposite face be fixedly connected to the second support plate 16, and the opposite face of two the second support plates 16 is fixedly connected to third
Support plate 18, and the upper surface of two the second support plates 16 is fixedly connected to the 4th support plate 14, and two the 4th
The lower surface of fagging 14 is fixedly connected to the first electric pushrod 15, by the way that the first electric pushrod 15, the first electric pushrod is arranged
15 elongations, can allow workpiece is closer to be pressed between third support plate 18 and pressing plate 17, allow drill bit 11 more steady
Fixed punches workpiece, can with and the bottom ends of two the first electric pushrods 15 be fixedly connected to pressing plate 17, pressing plate 17
Positioned at the top of third support plate 18, and the right end for being located at the shaft 3 on right side is fixedly connected with gear 19, and gear 19 is nibbled
Conjunction has a driving device 20, and driving device 20 includes the 5th support plate 201, the left side of the 5th support plate 201 be located at right
The right side of the first support plate 2 be fixedly connected, the front of the 5th support plate 201 is fixedly connected by the second electric pushrod 202
There is ratch 203, ratch 203 is meshed with gear 19, the right side of the left side of driving device 20 and the first support plate 2 for being located at right side
Side is fixedly connected, by the way that driving device 20 is arranged, so that the second electric pushrod 202 extends and ratch 203 is driven to travel forward,
Ratch 203 is meshed with gear 19, thus drive the second support plate 16 to rotate 180 degree by shaft 3 by gear 19, this
When shaft 3 rotated in bearing 4 so that 180 degree of workpiece rotation, then 9 He of first motor controlled by control panel 6
Second motor 23 rotates forward, and drills again to the another side of workpiece so that drill bit 11 rotates and declines, so that workpiece be bored
Thoroughly, and the opposite face of two the first support plates 2 offers sliding slot 12, in the distance and sliding slot 12 of 13 front and back of slide bar
The distance of inner wall is adapted before and after surface, is slided in sliding slot 12 so that slide bar 13 is more stable, and two sliding slots
The same slide bar 13 is slidably connected in 12, by setting slide bar 13 and sliding slot 12, can make first motor 9 more smoothly on
Lower movement, when first motor 9 drives threaded post 7 to rotate, under the threaded connection effect of threaded post 7 and thread cap 8, by screw thread
Column 7 drives first motor 9 to move downward, and slide bar 13 prevents the rotation of 9 fuselage of first motor, and the front of slide bar 13 is fixedly connected
There is first motor 9, by the way that first motor 9 is arranged, first motor 9 drives threaded post 7 to rotate, in the spiral shell of threaded post 7 and thread cap 8
Under line connection function, threaded post 7 drives first motor 9, fixed plate 10 and the second motor 23 to move downward, and slide bar 13 is in cunning at this time
Slide downward in slot 12, so that the drill bit 11 in rotation moves downward drilling on one side to workpiece, and the first electricity
The lower surface of 9 fuselage of machine is fixedly connected with fixed plate 10, and the lower surface of fixed plate 10 is fixedly connected with the second motor 23, the second electricity
The revolving speed of machine 23 is ten times of 9 revolving speed of first motor, so that drill bit 11 is more stable when moving downward while rotating,
It is fixedly connected with drill bit 11 on the output shaft of second motor 23, passes through the second motor 23 of setting and drill bit 11, the rotation of the second motor 23
Turn and drill bit 11 driven to rotate, the second motor 23 moves downward under the drive of fixed plate 10, thus by drill bit 11 to workpiece into
Row drilling, drill bit 11 are located between two the 4th support plates 14, and threaded post 7 is fixedly connected on the output shaft of first motor 9, and
And the surface of threaded post 7 is threadedly coupled with thread cap 8, and 8 back side of thread cap is fixedly connected with the front of fixed link 22, is passed through
Fixed link 22 is set, to ensure that the stability of thread cap 8, the both ends of fixed link 22 respectively with two the first support plates 2
Opposite face is fixedly connected.
In use, workpiece is placed in two third support plates 18, the first electric pushrod 15 is controlled by control panel 6 and is stretched
Length is simultaneously moved downward with dynamic pressure plate 17, and workpiece is fixed between pressing plate 17 and third support plate 18, then is controlled by control panel 6
First electric pushrod 15 stops working, and controls first motor 9 by control panel 6 and the second motor 23 rotates forward, 23 band of the second motor
Dynamic drill bit 11 rotates, and first motor 9 drives threaded post 7 to rotate, under the threaded connection effect of threaded post 7 and thread cap 8, screw thread
Column 7 drives first motor 9, fixed plate 10 and the second motor 23 to move downward, at this time the slide downward in sliding slot 12 of slide bar 13, from
And the drill bit 11 in rotation is made to move downward drilling on one side to workpiece, when workpiece after being drilled on one side, by controlling
Panel 6 controls first motor 9 and the reversion of the second motor 23, so that drill bit 11 rises away from workpiece, makes the second electricity at this time
Dynamic push rod 202 extends and ratch 203 is driven to travel forward, and ratch 203 is meshed with gear 19, to pass through shaft by gear 19
3 drive the second support plate 16 to rotate 180 degree, and shaft 3 rotates in bearing 4 at this time, so that workpiece rotation 108
Ten degree, then first motor 9 and the second motor 23 are controlled by control panel 6 and rotated forward so that drill bit 11 rotate and decline again it is right
The another side of workpiece drills, to workpiece be drilled through, after the drilling for completing workpiece, by first electricity of the control of control panel 6
Machine 9 and the reversion of the second motor 23, so that drill bit 11 controls the first electric pushrod 15 by control panel 6 and shortens far from workpiece, thus
Workpiece is removed, then the first electric pushrod 15 is controlled by control panel 6 and is stopped working.
It can to sum up obtain, workpiece is placed on two thirds by (1), the safe protection engineering construction drilling equipment easy to use
In support plate 18, so that the first electric pushrod 15 is extended and is moved downward with dynamic pressure plate 17, to workpiece be fixed, so that first
Motor 9 and the second motor 23 rotate forward, under the cooperation of slide bar 13, sliding slot 12, threaded post 7, thread cap 8 and fixed link 22, thus
So that drill bit 11 is moved downward while rotating to Workpiece boring, when workpiece after being drilled on one side, so that 9 He of first motor
Second motor 23 reversion, so that drill bit 11 rises, so that the second electric pushrod 202 extends, so that workpiece rotation one
180 degree, then drill to the another side of workpiece, so that workpiece is drilled through, it is solid without again being removed workpiece again with worker
It is fixed, the location of workpiece is avoided during workpiece turning and angle shifts, so that drill bit 11 can be by workpiece more
Good drills through, so that the work to worker is brought conveniently, is conducive to the work of worker.
(2), safe protection engineering easy to use construction drilling equipment, by being arranged battery 5, battery 5 can give the
One electric pushrod 15, the second electric pushrod 202, first motor 9 and the second motor 23 provide electric power, to make the first electric pushrod
15, the second electric pushrod 202, first motor 9 and the second motor 23 can work normally, and structure of the invention is compact, and design is reasonable,
It is practical.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of safe protection engineering construction drilling equipment, including bottom plate (1) easy to use, it is characterised in that: the bottom plate (1)
The two sides of upper surface are fixedly connected with the lower surface of two the first support plates (2) respectively, and two the first support plates (2) are opposite
Face is connected with bearing (4), and the inner surface of two bearings (4) is socketed with shaft (3), and the phase of two shafts (3)
Opposite is fixedly connected to the second support plate (16), and the opposite face of two the second support plates (16) is fixedly connected to third
Support plate (18), and the upper surface of two the second support plates (16) is fixedly connected to the 4th support plate (14), and two
The lower surface of 4th support plate (14) is fixedly connected to the first electric pushrod (15), and two the first electric pushrods (15)
Bottom end is fixedly connected to pressing plate (17), and the pressing plate (17) is located at the top of third support plate (18), and is located at right side
The right end of shaft (3) is fixedly connected with gear (19), and gear (19) is engaged with driving device (20), the driving device
(20) left side is fixedly connected with the right side of the first support plate (2) for being located at right side, and two the first support plates (2)
Opposite face offers sliding slot (12), and slidably connects the same slide bar (13), the slide bar in two sliding slots (12)
(13) front is fixedly connected with first motor (9), and the lower surface of first motor (9) fuselage is fixedly connected with fixed plate
(10), the lower surface of the fixed plate (10) is fixedly connected with the second motor (23), on the output shaft of second motor (23)
Be fixedly connected with drill bit (11), the drill bit (11) is located between two the 4th support plates (14), the first motor (9) it is defeated
It is fixedly connected on shaft threaded post (7), and the surface of threaded post (7) is threadedly coupled with thread cap (8), and thread cap
(8) back side is fixedly connected with the front of fixed link (22), the both ends of the fixed link (22) respectively with two the first support plates (2)
Opposite face be fixedly connected.
2. a kind of safe protection engineering construction drilling equipment easy to use according to claim 1, it is characterised in that: described
Bottom plate (1) lower surface is fixedly connected there are four supporting leg (21), and four supporting legs (21) are located at the following table of bottom plate (1)
The four corners in face.
3. a kind of safe protection engineering construction drilling equipment easy to use according to claim 1, it is characterised in that: described
Driving device (20) include the 5th support plate (201), the left side of the 5th support plate (201) be located at right first
The right side of support plate (2) is fixedly connected, and the front of the 5th support plate (201) is fixed by the second electric pushrod (202)
It is connected with ratch (203), the ratch (203) is meshed with gear (19).
4. a kind of safe protection engineering construction drilling equipment easy to use according to claim 1, it is characterised in that: described
First support plate (2) left side is fixedly connected with battery (5) and control panel (6), and the battery (5) is located at control panel
(6) lower section.
5. a kind of safe protection engineering construction drilling equipment easy to use according to claim 4, it is characterised in that: described
The output end of battery (5) is electrically connected with the input terminal of control panel (6), and the output end of the control panel (6) is respectively with
The input terminal electrical connection of one electric pushrod (15), the second electric pushrod (202), first motor (9) and the second motor (23).
6. a kind of safe protection engineering construction drilling equipment easy to use according to claim 1, it is characterised in that: described
The revolving speed of second motor (23) is ten times of first motor (9) revolving speed, the distance and sliding slot of slide bar (13) front and back
(12) distance of inner wall is adapted before and after inner surface.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711386617.1A CN109940189A (en) | 2017-12-20 | 2017-12-20 | Drilling equipment is used in a kind of safe protection engineering easy to use construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711386617.1A CN109940189A (en) | 2017-12-20 | 2017-12-20 | Drilling equipment is used in a kind of safe protection engineering easy to use construction |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109940189A true CN109940189A (en) | 2019-06-28 |
Family
ID=67004258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711386617.1A Pending CN109940189A (en) | 2017-12-20 | 2017-12-20 | Drilling equipment is used in a kind of safe protection engineering easy to use construction |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109940189A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110744099A (en) * | 2019-10-17 | 2020-02-04 | 苏州光韵达光电科技有限公司 | Micropore processing equipment |
CN110860709A (en) * | 2019-11-08 | 2020-03-06 | 丽水市翔隆自动化设备制造有限公司 | Automatic punching device for machining |
CN112475389A (en) * | 2020-11-26 | 2021-03-12 | 德清恒凌五金有限公司 | Hardware drilling processing equipment |
CN112620689A (en) * | 2020-11-23 | 2021-04-09 | 安徽兰翔纺机科技有限公司 | Tapping device for treatment of lost foam castings |
CN114147250A (en) * | 2021-12-29 | 2022-03-08 | 福建精工半导体有限公司 | Deep hole drilling processing technology for silicon part |
-
2017
- 2017-12-20 CN CN201711386617.1A patent/CN109940189A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110744099A (en) * | 2019-10-17 | 2020-02-04 | 苏州光韵达光电科技有限公司 | Micropore processing equipment |
CN110860709A (en) * | 2019-11-08 | 2020-03-06 | 丽水市翔隆自动化设备制造有限公司 | Automatic punching device for machining |
CN112620689A (en) * | 2020-11-23 | 2021-04-09 | 安徽兰翔纺机科技有限公司 | Tapping device for treatment of lost foam castings |
CN112475389A (en) * | 2020-11-26 | 2021-03-12 | 德清恒凌五金有限公司 | Hardware drilling processing equipment |
CN114147250A (en) * | 2021-12-29 | 2022-03-08 | 福建精工半导体有限公司 | Deep hole drilling processing technology for silicon part |
CN114147250B (en) * | 2021-12-29 | 2023-08-22 | 福建精工半导体有限公司 | Deep hole drilling process for silicon part |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109940189A (en) | Drilling equipment is used in a kind of safe protection engineering easy to use construction | |
CN207359377U (en) | A kind of liftable metope puncher | |
CN107914154A (en) | A kind of crane workpiece perforating device easy to adjust | |
CN209520606U (en) | A kind of lifting numerical control processing drilling equipment with high accuracy | |
CN107378031A (en) | A kind of drilling machine of fast and stable | |
CN109866339A (en) | A kind of hydropower installation rotary type automatic punching device | |
CN107790782A (en) | A kind of steel plate drilling machine | |
CN202317129U (en) | Inverted drilling-type drill press | |
CN109940766A (en) | A kind of safe protection engineering construction metope drilling equipment | |
CN106624015B (en) | A kind of accurate drilling machine of drilling | |
CN205997073U (en) | A kind of accurate puncher that punches | |
CN108789656A (en) | A kind of adjustable rotating speed is used for woodwork drilling machine | |
CN208853771U (en) | A kind of double-station high-precision borehole robot of office chair | |
CN208112570U (en) | A kind of solar panels bracket convenient for adjusting angle | |
CN108058964B (en) | Double-turntable feeding device | |
CN206812240U (en) | A kind of jewelry production puncher easy to use | |
CN209006740U (en) | A kind of machining metal drilling equipment with collection iron filings | |
CN109175441A (en) | A kind of automation drilling machine with accurate-location device | |
CN209533601U (en) | A kind of adjustable revolving speed is used for woodwork drilling machine | |
CN210040854U (en) | Rolling wheel punching and circular cutting device for cable processing | |
CN218905647U (en) | Be used for furniture panel processing to use trompil device | |
CN110695400B (en) | Drilling device for machining robot parts | |
CN207563791U (en) | A kind of dedicated adjustable polishing drilling device of mechanical processing | |
CN203875373U (en) | Full-automatic perforating machine | |
CN208408612U (en) | A kind of mold cramping drilling machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190628 |
|
WD01 | Invention patent application deemed withdrawn after publication |