CN107442798A - A kind of drilling machine - Google Patents
A kind of drilling machine Download PDFInfo
- Publication number
- CN107442798A CN107442798A CN201710831565.8A CN201710831565A CN107442798A CN 107442798 A CN107442798 A CN 107442798A CN 201710831565 A CN201710831565 A CN 201710831565A CN 107442798 A CN107442798 A CN 107442798A
- Authority
- CN
- China
- Prior art keywords
- drilling machine
- shell body
- support column
- workbench
- fixed
- 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
-
- 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
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/007—Automatic control or regulation of feed movement, cutting velocity or position of tool or work while the tool acts upon the workpiece
- B23Q15/08—Control or regulation of cutting velocity
Abstract
The invention discloses a kind of drilling machine, including drilling machine shell body, reductor and workbench, the preceding surface middle position of the drilling machine shell body is provided with regulation standing valve, and the top right-hand member of drilling machine shell body is provided with scram button, the lower section of the scram button, the left end inside drilling machine shell body are provided with spindle drive motor；Temperature sensor is provided with existing drilling machine, when temperature of diamond bit reaches dangerous values, drill speed is automatically adjusted by reductor, prevent that temperature is too high, the situation for causing low melting material to soften occurs, improve the service life of drill bit, and the workbench of liftable regulation is provided with existing drilling machine, it can meet under without technological requirement, appropriate location regulation is carried out to workbench, and existing drill bit and drilling machine pass through the connection that is inversely screwed, it can become simpler convenience when changing, it is safe to use so as to reach, it is convenient, efficient purpose.
Description
Technical field
The invention belongs to drilling machine technical field, and in particular to a kind of drilling machine.
Background technology
Drilling machine refers to utilize side of the instrument harder than object, sharper keen by rotary cutting or rotary squeezing
Formula, the machinery and equipment that cylindrical hole or hole are left on object are referred to as.Also there are referred to as rig, puncher, perforator, through hole
Machine etc..By being drilled 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 lifting of the drilling technique of automatic drilling machine, using full-automatic drilling machine to various hardware dies, watchband drilling, watchband
Drilling, jewellery drill with the obvious advantage.Suitable rotating speed, the too fast Driller Exothermic low melting point of rotating speed are adjusted according to the material bored
Material can soften, and the excessively slow soft material of rotating speed can stick together, and in order to preferably utilize the existing mechanized equipment of my ore deposit, carry
The performance of high mechanized equipment plays its optimal effect.Promote my operation level more last layer of the ore deposit worker to mechanized equipment
Building, drilling machine operator will study hard before work on duty, the skilled operational procedure for grasping drilling machine.AudioCodes company researches and develops
The axle watchband metal class drilling machine of high speed six, belong to the high-end category of industry, can reach 3 margins of tolerance in accuracy, drill
Depth is within 40mm, and six axle drilling machine technologies, which embody, is the service for special drill and satisfaction, for some high-low-positions
Hole product word drilling opposite sex drilling in drilling in mould with that can settle at one go, and tool making is simple, and mould is versatile, the opposite sex
Drilling can once be completed, and belong to forefront technology in industry.China is the maximum country of whole world clock and watch production and output, is accounted for
Whole world tabulation industry more than 90%, fully automatic high-speed watchband drilling machine thoroughly solve most, the production that puts into manpower at present of watchband industry
Go out the difficulty of minimum hand drill state of art, substitute existing hand drill technique comprehensively, also solve enterprise's trick indirectly
The difficult serious problems of skilled drilling worker are received, while substantial amounts of human cost spending has been saved for enterprise.
Existing drilling machine still has several drawbacks part in use, for example, existing drilling machine is at work
Because rotating speed is too fast, Driller Exothermic temperature is high, low melting material can be caused to soften, not only be made troubles to processing, and
Potential safety hazard also be present, reduce the service life of drill bit, existing drill when carrying out different process and requiring operation,
It is inconvenient to change, and existing drilling machine worktable is fixed, it is impossible to meets to carry out suitably workbench in technique
The requirement of position adjustments, makes troubles to production and processing, influences processing efficiency.
The content of the invention
It is an object of the invention to provide a kind of drilling machine, to solve to propose that existing drilling machine exists in above-mentioned background technology
Because rotating speed is too fast during work, Driller Exothermic temperature is high, low melting material can be caused to soften, not only bring fiber crops to processing
It is tired, but also potential safety hazard be present, reduce the service life of drill bit, existing drill is carrying out different process requirement
During operation, it is inconvenient to change, and existing drilling machine worktable is fixed, it is impossible to meets to enter workbench in technique
The requirement of row appropriate location regulation, makes troubles to production and processing, the problem of influenceing processing efficiency.
To achieve the above object, the present invention provides following technical scheme：A kind of drilling machine, including scram button, main shaft electricity
Motivation, regulation standing valve, drilling machine shell body, reductor, fixed support column, fixed hub, drilling machine base, workbench, brill
Head, rotating spindle, fixing bolt, adjusting nut, support column base, flexible rod sleeve, expansion link, main shaft sleeve, fixed thread
And temperature sensor, the preceding surface middle position of the drilling machine shell body are provided with regulation standing valve, and drilling machine shell
The top right-hand member of body is provided with scram button, the lower section of the scram button, and the left end inside drilling machine shell body is set
There is spindle drive motor, fixing bolt is provided with the left of the spindle drive motor, regulation is provided with above the fixing bolt
Nut, rotating spindle is provided with below the spindle drive motor, drill bit, the drill bit are provided with below the rotating spindle
Lower section be provided with workbench, drilling machine base is provided with below the workbench, and the right side of workbench is close to drilling machine
The middle position of base is provided with fixed support column, and fixed hub, the reductor peace are provided with the fixed support column
Below the right-hand member of drilling machine shell body, expansion link is provided with below the workbench left and right ends, the expansion link
Lower section is provided with flexible rod sleeve, and support column base, the lower section of the rotating spindle are provided with below the fixed support column
Temperature sensor is provided with, and the top of rotating spindle is provided with fixed thread, and main shaft is provided with above the fixed thread
Axle sleeve, the spindle drive motor, reductor and temperature sensor are electrically connected with external power source.
Preferably, be rotatablely connected between the drill bit and spindle drive motor by rotating spindle, the spindle drive motor with
Lead to fixing bolt between drilling machine shell body to be fixedly connected.
Preferably, it is fixedly connected between the workbench and drilling machine base by expansion link and flexible rod sleeve, it is described
Expansion link and flexible rod sleeve are provided with two, and flexible rod sleeve is arranged on the inside of drilling machine base.
Preferably, the fixed hub is provided with two altogether, and two fixed hubs are uniformly arranged on fixed support column.
Preferably, it is fixedly connected between the rotating spindle and main shaft sleeve by fixed thread, and rotating spindle drives
Drilling bit high-speed rotates.
Preferably, it is fixedly connected between the fixed support column and drilling machine base by support column base.
Preferably, it is described can by adjust standing valve adjust drilling machine work when machine tension force.
Preferably, it is fixedly connected between the reductor and drilling machine shell body by fixing bearing.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is scientific and reasonable for structure, safe and convenient to use,
Temperature sensor is provided with existing drilling machine, when can be processed to the material of different melting points, sets different temperature
Early warning value is spent, when temperature of diamond bit reaches dangerous values, drill speed is automatically adjusted by reductor, prevents that temperature is too high, causes
Low melting material softening situation occur, can be largely avoid production bother, improve production efficiency, to drill bit itself
Also there is certain protectiveness, improve the service life of drill bit, and the work of liftable regulation is provided with existing drilling machine
Make platform, can meet under without technological requirement, appropriate location regulation is carried out to workbench, makes the processing of material more square
Just it is quick, and existing drill bit and drilling machine can more be turned by the connection that is inversely screwed, drill bit when rotating processing operation
It is tighter, prevent from coming off, and also become simpler convenience replacing with, so as to reach safe to use, convenient, efficient mesh
's.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the Working table structure schematic diagram of the present invention；
Fig. 3 is the rotating spindle structural representation of the present invention；
In figure：1- scram buttons, 2- spindle drive motors, 3- regulations standing valve, 4- drilling machines shell body, 5- reductors, 6-
Fixed support column, 7- fixed hubs, 8- drillings machine base, 9- workbench, 10- drill bits, 11- rotating spindles, 12- fixing bolts,
The flexible rod sleeve of 13- adjusting nuts, 14- support columns base, 15-, 16- expansion links, 17- main shaft sleeves, 18- fixed threads, 19-
Temperature sensor.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-3 are referred to, the present invention provides a kind of drilling machine technical scheme：Including scram button 1, spindle drive motor 2, adjust
Save standing valve 3, drilling machine shell body 4, reductor 5, fixed support column 6, fixed hub 7, drilling machine base 8, workbench 9, brill
First 10, rotating spindle 11, fixing bolt 12, adjusting nut 13, support column base 14, flexible rod sleeve 15, expansion link 16, main shaft
Axle sleeve 17, fixed thread 18 and temperature sensor 19, the preceding surface middle position of drilling machine shell body 4 are provided with regulation and fixed
Valve 3, and the top right-hand member of drilling machine shell body 4 is provided with scram button 1, the lower section of scram button 1, close to drilling machine shell body
Left end inside 4 is provided with spindle drive motor 2, and the left side of spindle drive motor 2 is provided with fixing bolt 12, fixing bolt 12 it is upper
Side is provided with adjusting nut 13, and the lower section of spindle drive motor 2 is provided with rotating spindle 11, and the lower section of rotating spindle 11 is provided with brill
First 10, the lower section of drill bit 10 is provided with workbench 9, and the lower section of workbench 9 is provided with drilling machine base 8, and the right side of workbench 9
The middle position of drilling machine base 8 is provided with fixed support column 6, is provided with fixed hub 7 on fixed support column 6, subtracts
Fast machine 5 is arranged on below the right-hand member of drilling machine shell body 4, and workbench 9 is provided with expansion link 16, expansion link below left and right ends
16 lower section is provided with flexible rod sleeve 15, and the lower section of fixed support column 6 is provided with support column base 14, under rotating spindle 11
Side is provided with temperature sensor 19, and the top of rotating spindle 11 is provided with fixed thread 18, and the top of fixed thread 18 is set
There is main shaft sleeve 17, spindle drive motor 2, reductor 5 and temperature sensor 19 are electrically connected with external power source.
Being capable of stable transmission, spindle drive motor 2 and drilling machine shell body between drill bit 10 and spindle drive motor 2 in order that obtaining
Installation is stable between 4, in the present embodiment, is rotatablely connected between preferable drill bit 10 and spindle drive motor 2 by rotating spindle 11,
Lead to fixing bolt 12 between spindle drive motor 2 and drilling machine shell body 4 to be fixedly connected.
In order that the telescopic adjustment of different height can be carried out by obtaining workbench 9, and the height of workbench 9 is allowed to regulate installation
It is fixed, in the present embodiment, fixed between preferable workbench 9 and drilling machine base 8 by expansion link 16 and flexible rod sleeve 15
Connection, expansion link 16 and flexible rod sleeve 15 are provided with two, and flexible rod sleeve 15 is arranged on the interior of drilling machine base 8
Portion.
In order that the stability of strutting system that must fix support column 6 is improved, in the present embodiment, preferable fixed hub 7 is common
Two are provided with, and two fixed hubs 7 are uniformly arranged on fixed support column 6.
In order that obtaining stabilization is installed between rotating spindle 11 and main shaft sleeve 17, and conveniently turns the replacing of main shaft 11, this
In embodiment, it is fixedly connected between preferable rotating spindle 11 and main shaft sleeve 17 by fixed thread 18, and rotating spindle 11
Drive the high-speed rotation of drill bit 10.
Stabilization is installed in order that must fix between support column 6 and drilling machine base 8, in the present embodiment, preferable fixed branch
It is fixedly connected between dagger 6 and drilling machine base 8 by support column base 14.
In order that the work safety for obtaining drilling machine is stable, in the present embodiment, can preferably be adjusted by adjusting standing valve 3
Save machine tension force during drilling machine work.
Stabilization is installed in order that must fix between support column 6 and drilling machine base 8, in the present embodiment, preferable reductor 5
It is fixedly connected between drilling machine shell body 4 by fixing bearing.
Reductor 5 in the present invention is between prime mover and working machine or executing agency, plays matching rotating speed and transmission turns
The effect of square, reductor are a kind of relatively accurate machinery, and the purpose using it is to reduce rotating speed, increases torque, according to transmission
Series difference can be divided into single-stage and multistage speed reducer；According to tooth factory wheel, shape can be divided into cylindrical gear reducer, conical gear subtracts
Fast machine and circular cone-Cylinder Gear running wheel reductor；Arrangement form according to transmission can be divided into expansion, shunting and enter axle together again
Formula reductor；Decelerator is that a kind of gear drive, worm-drive, pinion-endless screw by being enclosed in stiff case is driven institute's group
Into individual components, the speed reduction gearing being commonly used between driving link and working machine；In prime mover and working machine or perform machine
Play a part of to match rotating speed between structure and transmit torque, using extremely wide in modern mechanical.
Temperature sensor 19 in the present invention refers to that temperature can be experienced and is converted into the sensor of usable output signal, temperature
Sensor is the core of temperature measuring instrument, various in style, can be divided into contact and contactless two big by metering system
Class, it is divided into thermal resistance and the class of thermocouple two according to sensor material and electron component characteristic；Thermometer is reached by conduction or convection current
To thermal balance, so that the indicating value of thermometer can directly represent the temperature of measurand, general measure precision is higher, certain
In temperature-measuring range, the Temperature Distribution of thermometer also measurable interior of articles, but for movable body, Small object or thermal capacity very little
Object can then produce larger measurement error, and conventional temperature is in respect of bimetallic thermometer, glass liquid thermometer, pressure type temperature
Spend meter, resistance thermometer, thermistor and thermoelectric couple etc.；They are widely used in the departments such as industry, agricultural, business, in day
Often people also usually use these thermometers in life.
The operation principle and process for using of the present invention：After the present invention installs, external power source is connected, is then regulated each
Item parameter, mechanical tension when drilling machine works is regulated by the regulation standing valve 3 on drilling machine shell body 4, then will
Material to be processed is placed on workbench 9 and fixed, and is worked by spindle drive motor 2, drives rotating spindle 11 to rotate, so as to drive
The high-speed rotation of drill bit 10, is processed to the material on workbench 9, and in process, temperature sensor 19 is to drill bit 10
Temperature is monitored, and when temperature is too high, is controlled reductor 5 by temperature sensor 19, is reduced the rotating speed of spindle drive motor 2,
Prevent temperature is too high from causing rapidoprint to soften, and when processing needs, flexible rod sleeve 15 and expansion link can also be passed through
16 pairs of workbench 9 carry out the regulation of appropriate height, meet different technique processing requests, when to the different works of same material progress
During the drilling of skill requirement, drill bit 10 can be changed using the fixed thread 18 in main shaft sleeve 17, complete production and processing,
After machining, turn off switch, pull out power supply, drilling machine is cleared up, convenient next time uses.
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 changes, modification can be carried out to these embodiments, replace 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 (8)
1. a kind of drilling machine, including scram button (1), spindle drive motor (2), regulation standing valve (3), drilling machine shell body (4),
Reductor (5), fixed support column (6), fixed hub (7), drilling machine base (8), workbench (9), drill bit (10), rotating spindle
(11), fixing bolt (12), adjusting nut (13), support column base (14), flexible rod sleeve (15), expansion link (16), main shaft
Axle sleeve (17), fixed thread (18) and temperature sensor (19), it is characterised in that：The preceding surface of the drilling machine shell body (4)
Middle position is provided with regulation standing valve (3), and the top right-hand member of drilling machine shell body (4) is provided with scram button (1), institute
The lower section of scram button (1) is stated, the left end internal close to drilling machine shell body (4) is provided with spindle drive motor (2), the main shaft
Fixing bolt (12) is provided with the left of motor (2), adjusting nut (13), institute are provided with above the fixing bolt (12)
State and rotating spindle (11) be provided with below spindle drive motor (2), drill bit (10) is provided with below the rotating spindle (11),
Workbench (9) is provided with below the drill bit (10), drilling machine base (8), and work are provided with below the workbench (9)
The right side for making platform (9) is provided with fixed support column (6), the fixed support column close to the middle position of drilling machine base (8)
(6) fixed hub (7) is provided with, the reductor (5) is arranged on below the right-hand member of drilling machine shell body (4), the work
Expansion link (16) is provided with below platform (9) left and right ends, flexible rod sleeve (15) is provided with below the expansion link (16),
Support column base (14) is provided with below the fixed support column (6), temperature is provided with below the rotating spindle (11)
Sensor (19), and the top of rotating spindle (11) is provided with fixed thread (18), the top of the fixed thread (18) is set
There is main shaft sleeve (17), the spindle drive motor (2), reductor (5) and temperature sensor (19) electrically connect with external power source
Connect.
A kind of 2. drilling machine according to claim 1, it is characterised in that：The drill bit (10) and spindle drive motor (2) it
Between be rotatablely connected by rotating spindle (11), logical fixing bolt between the spindle drive motor (2) and drilling machine shell body (4)
(12) it is fixedly connected.
A kind of 3. drilling machine according to claim 1, it is characterised in that：The workbench (9) with drilling machine base (8) it
Between be fixedly connected by expansion link (16) with flexible rod sleeve (15), the expansion link (16) and flexible rod sleeve (15) are respectively provided with
There are two, and flexible rod sleeve (15) is arranged on the inside of drilling machine base (8).
A kind of 4. drilling machine according to claim 1, it is characterised in that：The fixed hub (7) is provided with two altogether, and
Two fixed hubs (7) are uniformly arranged on fixed support column (6).
A kind of 5. drilling machine according to claim 1, it is characterised in that：The rotating spindle (11) and main shaft sleeve (17)
Between be fixedly connected by fixed thread (18), and rotating spindle (11) drive drill bit (10) high-speed rotation.
A kind of 6. drilling machine according to claim 1, it is characterised in that：The fixed support column (6) and drilling machine base
(8) it is fixedly connected between by support column base (14).
A kind of 7. drilling machine according to claim 1, it is characterised in that：It is described to be adjusted by adjusting standing valve (3)
Save machine tension force during drilling machine work.
A kind of 8. drilling machine according to claim 1, it is characterised in that：The reductor (5) and drilling machine shell body (4)
Between be fixedly connected by fixing bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710831565.8A CN107442798A (en) | 2017-09-15 | 2017-09-15 | A kind of drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710831565.8A CN107442798A (en) | 2017-09-15 | 2017-09-15 | A kind of drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107442798A true CN107442798A (en) | 2017-12-08 |
Family
ID=60496428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710831565.8A Pending CN107442798A (en) | 2017-09-15 | 2017-09-15 | A kind of drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107442798A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633734A (en) * | 2020-05-26 | 2020-09-08 | 陈慧明 | Foamed plastic machining punching equipment and operation method thereof |
| CN111993122A (en) * | 2020-08-14 | 2020-11-27 | 温州楚峰贸易有限公司 | Clock and watch dial plate punches and uses auxiliary operation platform with dial plate protect function |
| CN111992761A (en) * | 2020-08-03 | 2020-11-27 | 山东高强紧固件有限公司 | Tappet pore processing equipment |
| US11630005B1 (en) * | 2022-01-13 | 2023-04-18 | Eli Yudkevich | Machining monitor and a method for monitoring a machining of an object |
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| JPH09168908A (en) * | 1995-12-19 | 1997-06-30 | Hitachi Koki Haramachi Co Ltd | Automatic lubricating device for drilling machine |
| JP2005018386A (en) * | 2003-06-26 | 2005-01-20 | Allied Syst Kk | Measuring device for movable tool |
| CN203635980U (en) * | 2014-01-16 | 2014-06-11 | 青海路拓工程设施制造有限公司 | Rocker drilling machine |
| CN205764909U (en) * | 2016-05-30 | 2016-12-07 | 新昌县儒岙镇中意小礼品加工厂 | The liftable polishing boring machine that a kind of machining is special |
| CN205798504U (en) * | 2016-07-12 | 2016-12-14 | 徐州标特福数控科技有限公司 | A kind of boring Digit Control Machine Tool of steel plate |
| CN205798490U (en) * | 2016-07-20 | 2016-12-14 | 浙江弘顺科技股份有限公司 | The drilling machine that can automatically spray coolant that a kind of industrial processes industry uses |
| CN205989072U (en) * | 2016-07-29 | 2017-03-01 | 温州白马精密机械科技有限公司 | A kind of drilling machine with temperature sensor |
-
2017
- 2017-09-15 CN CN201710831565.8A patent/CN107442798A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09168908A (en) * | 1995-12-19 | 1997-06-30 | Hitachi Koki Haramachi Co Ltd | Automatic lubricating device for drilling machine |
| JP2005018386A (en) * | 2003-06-26 | 2005-01-20 | Allied Syst Kk | Measuring device for movable tool |
| CN203635980U (en) * | 2014-01-16 | 2014-06-11 | 青海路拓工程设施制造有限公司 | Rocker drilling machine |
| CN205764909U (en) * | 2016-05-30 | 2016-12-07 | 新昌县儒岙镇中意小礼品加工厂 | The liftable polishing boring machine that a kind of machining is special |
| CN205798504U (en) * | 2016-07-12 | 2016-12-14 | 徐州标特福数控科技有限公司 | A kind of boring Digit Control Machine Tool of steel plate |
| CN205798490U (en) * | 2016-07-20 | 2016-12-14 | 浙江弘顺科技股份有限公司 | The drilling machine that can automatically spray coolant that a kind of industrial processes industry uses |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633734A (en) * | 2020-05-26 | 2020-09-08 | 陈慧明 | Foamed plastic machining punching equipment and operation method thereof |
| CN111992761A (en) * | 2020-08-03 | 2020-11-27 | 山东高强紧固件有限公司 | Tappet pore processing equipment |
| CN111992761B (en) * | 2020-08-03 | 2021-12-10 | 山东高强紧固件有限公司 | Tappet pore processing equipment |
| CN111993122A (en) * | 2020-08-14 | 2020-11-27 | 温州楚峰贸易有限公司 | Clock and watch dial plate punches and uses auxiliary operation platform with dial plate protect function |
| US11630005B1 (en) * | 2022-01-13 | 2023-04-18 | Eli Yudkevich | Machining monitor and a method for monitoring a machining of an object |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171208 |
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| RJ01 | Rejection of invention patent application after publication |