CN104354046B - A kind of milling machine and its gear-box - Google Patents
A kind of milling machine and its gear-box Download PDFInfo
- Publication number
- CN104354046B CN104354046B CN201410597104.5A CN201410597104A CN104354046B CN 104354046 B CN104354046 B CN 104354046B CN 201410597104 A CN201410597104 A CN 201410597104A CN 104354046 B CN104354046 B CN 104354046B
- Authority
- CN
- China
- Prior art keywords
- mounting table
- gear
- milling head
- bosh
- milling
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/02—Driving main working members
- B23Q5/04—Driving main working members rotary shafts, e.g. working-spindles
-
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention relates to a kind of milling machine and its gear-box, milling machine includes base and workpiece fixing tool, the mounting table placed for corresponding agitating shaft is provided with base, workpiece fixing tool is arranged on mounting table, left gear case is provided with base on the left of the mounting table, left gear case includes casing, interval is rotatably equipped with the milling head axle that at least two pivot centers extend in left-right direction along the longitudinal direction on casing, milling head axle is connected by the gear drive in gear-box and left actuating unit, left milling head is installed with each milling head axle, milling machine also includes being connected to drive mounting table with mounting table or left gear case, the drive mechanism that left gear case is relatively moved in the vertical direction.Two gear-boxes risen as high as the banks and the milling machine using the gear-box once can be at least processed the invention provides a kind of.
Description
Technical field
The present invention relates to a kind of milling machine and its gear-box.
Background technology
Mixer is that most important part is exactly axially to prolong along the longitudinal direction in the common equipment in industrial production, mixer
The agitating shaft stretched, the two ends of agitating shaft, which have, axially spaced on ledge structure, agitating shaft is provided with multiple axis along agitating shaft
The mixing arm mounting hole radially extended, the axis of two neighboring mixing arm mounting hole is mutually perpendicular to, in each mixing arm mounting hole
Mixing arm is installed, risen as high as the banks for the installation of realizing mixing arm, it is necessary to be milled out at the two-port of mixing arm mounting hole, agitating shaft
Processing efficiency is to influence the key of mixer manufacturing speed, and the processing efficiency risen as high as the banks is then to influence the pass of agitating shaft manufacturing speed
Key.The existing processing mode risen as high as the banks is that agitating shaft is positioned on the mounting table of milling machine, then by workpiece fixing tool to stirring
Mix axle to be fixed, milling machine has a milling head, is processed the port of a mixing arm mounting hole by the milling head, from
And process one and rise as high as the banks, workpiece fixing tool is then unclamped, agitating shaft, which is moved axially, installs next mixing arm
After hole is corresponding with milling head, reuses workpiece fixing tool and agitating shaft is fixed, then milling is next rises as high as the banks, such a
Individual processing a, agitating shaft generally has the mixing arm mounting hole of more than eight, and this is meant that at least to agitating shaft needs
Clamp 16 times, it is necessary to frequently move agitating shaft and clamping agitating shaft, cause the processing efficiency of agitating shaft very low, usual one day only
An agitating shaft can be machined, in addition during each clamping agitating shaft, clamping error can be produced unavoidably, this will be possible
The crudy of follow-up agitating shaft can not be influenceed in approximately the same plane by causing rising as high as the banks for agitating shaft the same side.
The content of the invention
Two gear-boxes risen as high as the banks once can be at least processed it is an object of the invention to provide a kind of, the purpose of the present invention is also
It is that a kind of milling machine using the gear-box is provided.
In order to solve the above problems, the technical scheme of milling machine is in the present invention：
The mounting table placed for corresponding agitating shaft is provided with a kind of milling machine, including base and workpiece fixing tool, base,
Workpiece fixing tool is arranged on mounting table, is provided with left gear case, left gear case and bag on base on the left of the mounting table
Include to be spaced along the longitudinal direction on casing, casing and be rotatably equipped with the milling head axle that at least two pivot centers extend in left-right direction,
Milling head axle is connected by the gear drive in gear-box and left actuating unit, and left milling is installed with each milling head axle
Head, milling machine also includes being connected to drive mounting table, left gear case relative in the vertical direction with mounting table or left gear case
Mobile drive mechanism.
Interval along the longitudinal direction is installed with right gear case, right gear case on the base on the right side of the mounting table to turn
It is dynamic to be equipped with the right milling head driven by right actuating unit that at least two pivot centers extend in left-right direction.
The front and rear both sides of the mounting table vertically extending forward and backward of guide direction is provided with the base to lead
Rail, the front and back ends of mounting table are individually directed movement and are assemblied on the forward and backward guide rail, the drive mechanism and the mounting table
It is connected to drive mounting table, left gear case to relatively move in the vertical direction.
Be provided with mounting table be provided with workpiece fixing tool, mounting table recess upward be used for and the agitating shaft support
The lower tile coordinated is held in the palm, workpiece fixing tool includes the recess upper tile directed downwardly for being used to block the agitating shaft, upper tile edge
Above-below direction guiding movement is assemblied on the mounting table, and the driving cylinder that the upper tile of driving is moved up and down is provided with mounting table.
What the gear drive extended in left-right direction including pivot center is connected with the left actuating unit
Power input shaft, each left milling head may be contained within correspondence milling head axle on, gear drive include be arranged in each milling head axle
Milling head shaft gear, gear drive also includes being provided with the power transmission shaft being arranged between two neighboring milling head axle, power transmission shaft
With the shaft gear of two neighboring milling head axle meshed transmission gear, it is provided with and the power transmission shaft tooth on the power input shaft
Take turns the input shaft gear of drive connection.
It is provided with the base in the periphery of the mounting table on the upper bosh of annular, the base in described cold
But lower bosh is provided with below tank, the right side opening of upper bosh, which is provided with, to be used for the cooling water in upper bosh
The flow-guiding mouth of the lower bosh is oriented to, the lower bosh is loop configuration, and the front side of lower bosh is by barrier knot
Structure separate, flow-guiding mouth be located at the upper and lower bosh right side, milling machine also include water pump, the water inlet of water pump with it is described every
The water pipe that oriented processing head sprays cooling water is connected on the lower bosh connection kept off on the left of structure, the delivery port of water pump.
The left side of the upper bosh is highly higher than the right side of the upper bosh highly, the lower bosh
Right side is highly higher than the left side of the lower bosh highly.
The technical scheme of middle gear case of the present invention is：
Interval is rotatably equipped with least two rotations along the longitudinal direction on a kind of gear-box of milling machine, including casing, casing
What axis extended in left-right direction is respectively used to be provided with to be driven with each milling head axle in the milling head axle that correspondence milling head is installed, casing to connect
The gear drive connect.
Gear drive include pivot center extend in left-right direction be used for and corresponding actuating unit drive connection
Power input shaft, gear drive includes the milling head shaft gear being arranged in each milling head axle, and gear drive also includes setting
The biography with two neighboring milling head axle meshed transmission gear is provided with the power transmission shaft being placed between two neighboring milling head axle, power transmission shaft
The input shaft gear being connected with the shaft gear is provided with moving axis gear, the power input shaft.
The casing includes the first installing plate of spaced and parallel setting, the second installing plate and the 3rd in left-right direction and installed
Plate, power transmission shaft and power input shaft are threaded onto on the first installing plate and the second installing plate, and milling head axle is threaded onto first, second and
On three installing plates.
Beneficial effects of the present invention are：When in use, agitating shaft is fixed on mounting table by workpiece fixing tool, it is left
Actuating unit drives each left milling head to rotate by gear drive, and drive mechanism driving mounting table, left gear case are in upper and lower
Upward relative motion, rises as high as the banks so as to complete once to mill out at least two, improves the processing efficiency of agitating shaft；Simultaneously as being one
Secondary clamping, so the machining benchmark respectively risen as high as the banks is consistent, so as to ensure that the uniformity for processing of respectively rising as high as the banks.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of milling machine in the present invention；
Fig. 2 is Fig. 1 top view；
Fig. 3 is Fig. 1 left view；
Fig. 4 is Fig. 1 stereogram；
Fig. 5 is the structural representation of left gear case in Fig. 1；
Fig. 6 is A-A in Fig. 5 to sectional view；
Fig. 7 is the B-B direction sectional view in Fig. 6；
Fig. 8 is Fig. 5 stereogram；
Fig. 9 is the structural representation of base in Fig. 1.
Embodiment
The implementation of milling machine is for example shown in Fig. 1 ~ 9：Including base 4, it is provided with base 4 for putting that corresponding agitating shaft 12 is placed
Put the front and rear both sides being provided with platform 10, mounting table 10 on workpiece fixing tool, base 4 in mounting table and be provided with guide direction edge
The fromer rail 13 of above-below direction extension, rear rail 9, the front and back ends of mounting table 10 are individually directed movement and are assemblied in forward and backward guide rail
On.The lower tile 14 for being used to coordinate with corresponding agitating shaft bracketing of recess upward, workpiece fixing tool bag are provided with mounting table
The recess upper tile 11 directed downwardly for being used to block agitating shaft is included, guiding movement is assemblied on mounting table upper tile along the vertical direction,
The driving cylinder that the upper tile of driving is moved up and down is provided with mounting table.Be provided with base on the left of mounting table left gear case 6,
Interval along the longitudinal direction, which is provided with right gear case 3, left gear case, in the right side of mounting table 10 is rotatably equipped with four rotary shafts
Rolling assembling is spaced along the longitudinal direction on the left milling head 8 driven by left actuating unit that line extends in left-right direction, right gear case
There is the right milling head 7 driven by right actuating unit that four pivot centers extend in left-right direction, each left milling head, right milling head are in same
One height, left and right milling head constitutes processing head, and the structure of left and right actuating unit is identical, now the concrete structure only to left actuating unit
Be described in detail, left actuating unit include power output element and be connected in power output element and each left milling head 8 it
Between gear drive, power output element is that oriented hydraulic motor fuel feeding is set by hydraulic motor 1, base in the present embodiment
Hydraulic power unit 5, gear drive include pivot center extend in left-right direction with power output element be connected
Power output shaft 16, each milling head be may be contained within correspondence milling head axle 17, and milling head shaft gear 20, gear are provided with each milling head axle
Transmission mechanism includes the Left Drive axle 22 being arranged between the two neighboring milling head axle in left side and positioned at the two neighboring milling head axle in right side
Between right power transmission shaft, the shaft gear with corresponding two neighboring milling head axle engaged transmission is provided with left and right power transmission shaft, is moved
Input shaft gear and power transmission shaft in the input shaft gear 23 with travelling gear engaged transmission, the present embodiment are provided with power input shaft
Gear is connected by one-stage gear auxiliary driving, one-stage gear pair include the gear wheel 24 that is coaxially disposed with shaft gear and with it is big
The little gear 25 of meshed transmission gear, shaft gear and little gear engaged transmission.The structure of left and right gear-box is also identical, existing
Only the concrete structure of left gear case is described in detail, left gear case includes the first peace of spaced and parallel setting in left-right direction
Plate 21, the second installing plate 19 and the 3rd installing plate 18 are filled, each milling head axle 17 is threaded onto on first, second, and third installing plate,
Power transmission shaft and power input shaft 16 are threaded onto on the first installing plate and the second installing plate.Milling machine also includes being connected with mounting table
To drive the drive mechanism that the relatively left and right gear-box of mounting table is relatively moved in the vertical direction, drive mechanism is put including driving
Put the hydraulic cylinder 15 that platform is moved up and down.In upper bosh 29 of the periphery of mounting table and left and right milling head provided with annular on base,
It is provided with below upper bosh the lower bosh 28 of annular on base, the upper and lower bosh side of being loop configuration,
The left side of upper bosh is highly higher than the right side of upper bosh highly, and the right side of lower bosh is highly higher than lower cooling water
Highly, the front side of lower bosh is separated by baffle structure in the left side of groove, and baffle structure is dividing plate 27, upper cooling in the present embodiment
The right side opening of tank is provided with the flow-guiding mouth 30 on the right side for being used to the cooling water of upper bosh being oriented to lower bosh.Milling machine is also
Including water pump 26, the water inlet of water pump is connected with the lower bosh on the left of baffle structure, connects oriented on the delivery port of water pump
Each milling head sprays the water pipe of cooling water, and water pipe includes the left stereoplasm tube 31 that length extends along the longitudinal direction being arranged in parallel and the right side is hard
Matter pipe 32, left stereoplasm tube is used for towards each left milling head sprinkling cooling water, and right stereoplasm tube is used for towards each right milling head spray cooling water.
In use, agitating shaft to be processed is positioned on lower tile, the upper tile of driving cylinder driving is moved down, and upper tile is with
Tile, which coordinates, will stir axis clamping, then left and right milling head action, and Driven by Hydraulic Cylinder mounting table is moved upwardly by, in mounting table upward
In mobile process, it just can once mill out eight and rise as high as the banks 33, after groove milling terminates, agitating shaft is rotated by 90 ° by tile in release
And move axially behind position again with tile clamping, then eight milling heads process eight and risen as high as the banks again, whole agitating shaft
Processing take less than a hour, substantially increase processing efficiency and crudy；The cooling water cooled down to each milling head is equal
The right side of bosh in flow direction, then flows to the right side of lower bosh through flow-guiding mouth, around lower bosh one circulate to
The front side of lower bosh, is extracted out by water pump after most being filtered afterwards through water tank and each milling head is cooled down again, upper and lower cooling water
What the setting of groove added cooling water flows through distance, is that cooling water can be improved to milling head in flow process with natural cooling
Cooling effect, while bosh can also be avoided outside current direction base, it is to avoid the waste of cooling water.
Dividing plate can also be replaced by other baffle structures such as spacer block；The left and right sides height of upper bosh can also be consistent；
The left and right sides height of lower bosh can also be consistent；Left and right gear-box can also be other frame structures；Each milling head can also
By each independent hydraulic motor or motor driving；When the number of rising as high as the banks that processing is needed on agitating shaft has other demands, milling head
Number can be configured as needed, such as only set left milling head, and the number of left milling head can also be two, three or other
Number；, can also be by driving above and below left and right gear-box when realizing agitating shaft with each milling head relative motion in the vertical direction
Move to realize agitating shaft and the relative motion in the vertical direction of each milling head；Upper tile can not also guiding movement be assemblied in placement
On platform, such as upper tile is installed on mounting table by clamping screw, and operating personnel manually make tile card when using
Tight agitating shaft, when it is to be processed it is upper itself there is bolt penetration hole when, workpiece fixing tool can be bolt locking mechanism；Lower cooling water
Groove may not be loop configuration, such as only be a whole groove structure；Base in the present invention can also be applied to lathe,
On other machining apparatus such as drilling machine, boring machine, now processing head can be headstock, drill bit or boring head.
The implementation of gear-box is for example shown in Fig. 5 ~ 8：Described in the concrete structure of gear-box and above-mentioned each milling machine embodiment
Left gear case is identical, will not be described in detail herein.
Claims (7)
1. a kind of milling machine, including base and workpiece fixing tool, it is characterised in that：It is provided with and is placed for corresponding agitating shaft on base
Mounting table, workpiece fixing tool is arranged on mounting table, is provided with left gear case on base on the left of the mounting table, left
Gear-box, which includes being spaced along the longitudinal direction on casing, casing, is rotatably equipped with what at least two pivot centers extended in left-right direction
Milling head axle, milling head axle is connected by the gear drive in gear-box and left actuating unit, fixed in each milling head axle
There is left milling head, milling machine also includes being connected with mounting table driving mounting table to relatively move with left gear case in the vertical direction
Drive mechanism, in use, agitating shaft is fixed on mounting table along the longitudinal direction by workpiece fixing tool, in drive mechanism
During driving mounting table is moved upwardly by, it can once mill out at least two and rise as high as the banks.
2. milling machine according to claim 1, it is characterised in that：On the base right side is installed with the right side of the mounting table
On gear-box, right gear case along the longitudinal direction interval be rotatably equipped with that at least two pivot centers extend in left-right direction by the right side
The right milling head of actuating unit driving.
3. milling machine according to claim 1, it is characterised in that：Set on the base in the front and rear both sides of the mounting table
Have a forward and backward guide rail that guide direction is vertically extending, the front and back ends of mounting table be individually directed it is mobile be assemblied in it is described before,
On rear rail, the drive mechanism is connected to drive mounting table, left gear case phase in the vertical direction with the mounting table
To movement.
4. milling machine according to claim 1, it is characterised in that：It is provided with mounting table on workpiece fixing tool, mounting table
The lower tile for being used to coordinate with the agitating shaft bracketing of recess upward is provided with, workpiece fixing tool includes recess use directed downwardly
In the upper tile for blocking the agitating shaft, guiding movement is assemblied on the mounting table upper tile along the vertical direction, on mounting table
It is provided with the driving cylinder that the upper tile of driving is moved up and down.
5. milling machine according to claim 1, it is characterised in that：The gear drive includes pivot center along right and left
To the power input shaft with the left actuating unit drive connection of extension, each left milling head may be contained within correspondence milling head axle, tooth
Wheel drive mechanism includes the milling head shaft gear being arranged in each milling head axle, and gear drive also includes being arranged at two neighboring milling
The shaft gear with two neighboring milling head axle meshed transmission gear is provided with power transmission shaft between head axle, power transmission shaft, it is described
The input shaft gear being connected with the shaft gear is provided with power input shaft.
6. the milling machine according to claim 1 ~ 5 any one, it is characterised in that：In the outer of the mounting table on the base
Enclose and lower bosh is provided with below the upper bosh on the upper bosh provided with annular, the base, it is upper cold
But the right side opening of tank is provided with the flow-guiding mouth for being used for that the cooling water in upper bosh to be oriented to the lower bosh, it is described under
Bosh is loop configuration, and the front side of lower bosh is separated by baffle structure, and flow-guiding mouth is located at the upper and lower bosh
Right side, milling machine also includes water pump, and the water inlet of water pump connects with the lower bosh on the left of the baffle structure, water pump
Delivery port on connect the water pipe that oriented processing head sprays cooling water.
7. milling machine according to claim 6, it is characterised in that：The left side of the upper bosh is highly higher than described cold
But the right side of tank highly, the right side of the lower bosh highly higher than the lower bosh left side highly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410597104.5A CN104354046B (en) | 2014-10-31 | 2014-10-31 | A kind of milling machine and its gear-box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410597104.5A CN104354046B (en) | 2014-10-31 | 2014-10-31 | A kind of milling machine and its gear-box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104354046A CN104354046A (en) | 2015-02-18 |
| CN104354046B true CN104354046B (en) | 2017-07-14 |
Family
ID=52521404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410597104.5A Expired - Fee Related CN104354046B (en) | 2014-10-31 | 2014-10-31 | A kind of milling machine and its gear-box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104354046B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8410257D0 (en) * | 1984-04-19 | 1984-05-31 | Pretty A J | Gear transmissions in machine tools |
| CN2717587Y (en) * | 2004-05-09 | 2005-08-17 | 夏振明 | High-speed multi-station horizontal milling machine |
| CN2885466Y (en) * | 2005-12-30 | 2007-04-04 | 施亨庆 | Double-head milling machine |
| CN201079857Y (en) * | 2007-08-28 | 2008-07-02 | 比亚迪股份有限公司 | Horizontal milling machine |
| CN201168815Y (en) * | 2008-02-20 | 2008-12-24 | 罗锡锋 | Slotter for processing screw micro-gap straight slot without burr |
| CN202147045U (en) * | 2011-06-21 | 2012-02-22 | 佛山市圣特斯数控设备有限公司 | Double-station multi-axis slot milling machine |
| CN102632282A (en) * | 2012-03-24 | 2012-08-15 | 湖北坚丰转轴技术有限公司 | Milling gap processing machine |
| CN102689205A (en) * | 2012-06-14 | 2012-09-26 | 哈尔滨汽轮机厂有限责任公司 | Clamping device for double-top turning processing of steam turbine rotor |
| CN103692271B (en) * | 2013-12-27 | 2016-04-13 | 广州隆邦自动化控制设备有限公司 | A kind of turnning and milling compound multi-shaft power head device |
| CN204195369U (en) * | 2014-10-31 | 2015-03-11 | 郑州市长城机器制造有限公司 | Milling machine and gear-box thereof |
-
2014
- 2014-10-31 CN CN201410597104.5A patent/CN104354046B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104354046A (en) | 2015-02-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105196426B (en) | Numerical control four station diamond drilling machine | |
| CN205869515U (en) | Multi -functional multi -Spindle tool | |
| CN204686094U (en) | Be equipped with the track punching drilling machine of cool cycles | |
| CN206588362U (en) | A kind of multi-spindle drilling machine | |
| CN104440359B (en) | A kind of automatic drilling beveler | |
| CN104353876B (en) | A kind of base and the milling machine using the base | |
| CN104647202A (en) | Grinding head mechanism for vertical glass edging machine | |
| CN204524780U (en) | Flange numerical control drilling attacks machine | |
| CN104354046B (en) | A kind of milling machine and its gear-box | |
| CN204195369U (en) | Milling machine and gear-box thereof | |
| CN207071694U (en) | A kind of Multi-station drilling device for motorcycle engine bonnet | |
| CN203649912U (en) | Combined machine tool for drilling oil holes in universal joint cross shaft | |
| CN204194904U (en) | Base and use the milling machine of this base | |
| CN205111268U (en) | A multifunctional machine bed for cast steel, ironcasting processing | |
| CN106736754A (en) | A kind of special fixture for processing television frame | |
| CN105234682A (en) | Horizontal machining center | |
| CN205129390U (en) | Horizontal -type processing center | |
| CN203541633U (en) | Double-power-head drilling and tapping multipurpose machine tool | |
| CN206296724U (en) | A kind of mill teeth workbench for collecting iron filings | |
| CN204183003U (en) | Milling machine | |
| CN204183736U (en) | The synchronous drill bit mechanism of adjustable distance and drilling machine | |
| CN106541274A (en) | A kind of wagon drill milling compounding machine bed | |
| CN202129521U (en) | Milling machine used for milling large module rack | |
| CN107876819A (en) | A kind of multispindle automatic drilling machine | |
| CN205020968U (en) | Chamfering machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 Termination date: 20181031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |