CN208977539U - Double-station numerical control lathe - Google Patents
Double-station numerical control lathe Download PDFInfo
- Publication number
- CN208977539U CN208977539U CN201821830318.2U CN201821830318U CN208977539U CN 208977539 U CN208977539 U CN 208977539U CN 201821830318 U CN201821830318 U CN 201821830318U CN 208977539 U CN208977539 U CN 208977539U
- Authority
- CN
- China
- Prior art keywords
- saddle
- axis
- grinding
- driving
- carving
- 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.)
- Active
Links
Landscapes
- Machine Tool Units (AREA)
Abstract
The utility model discloses a kind of double-station numerical control lathe, including pedestal, workbench, column, crossbeam, the first saddle, grinding nose assembly and the second saddle and carving and milling machine head assembly, wherein workbench is mounted on the base, and is used for bearing glass workpiece;Column is two, and two columns are installed on pedestal, and are oppositely arranged;Crossbeam is fixedly installed in column far from pedestal one end;First saddle is slidably mounted on crossbeam;Grinding nose assembly is slidably mounted on the first saddle, for carrying out grinding to the glass pieces for being placed in workbench;Second saddle is slidably mounted on crossbeam, and is arranged with the first saddle interval;Carving and milling machine head assembly is slidably mounted on the second saddle, and the glass pieces for completing the process to grinding carry out carving Milling Machining.Grinding nose assembly is integrated with carving and milling machine head assembly, so that grinding, which may be implemented, in a numerically-controlled machine tool mills two different procedure for processing with carving, effectively improves processing efficiency by the technical solution of the utility model.
Description
Technical field
The utility model relates to glass working arts field, in particular to a kind of double-station numerical control lathe.
Background technique
Recent years is special rapid since the appearance style of mobile phone updates, and current trends are in using glass pieces.
The working process of glass pieces generally comprises: grinding and carving Milling Machining.Existing realize carries out glass pieces
The mode of processing is general are as follows: first by glass pieces location and installation in the grinding on grinding machine, with realization to glass pieces.
Then, the glass pieces then by grinding completed are by grinding machine, and location and installation is in engraving and milling machine tool, to realize to glazier
The carving Milling Machining of part.
As it can be seen that at least needing two numerically-controlled machine tools (grinding machine and engraving and milling machine tool), equipment in existing process
Higher cost;And glass pieces need being dismounted for multiple times, time-consuming relatively long, processing efficiency is lower.
Utility model content
The main purpose of the utility model is to provide a kind of double-station numerical control lathe, it is intended to effectively promote the processing effect of glass
Rate reduces processing cost.
To achieve the above object, the utility model proposes a kind of double-station numerical control lathe, including pedestal, workbench, column,
Crossbeam, the first saddle, grinding nose assembly and the second saddle and carving and milling machine head assembly, wherein
The workbench is installed on the pedestal, is used for bearing glass workpiece;
The column is two, and two columns are installed on the pedestal, and are oppositely arranged;
The crossbeam is fixedly installed in the column far from described pedestal one end;
First saddle is slidably mounted on the crossbeam;
The grinding nose assembly is slidably mounted on first saddle, for the glass for being placed in the workbench
Glass workpiece carries out grinding;
Second saddle is slidably mounted on the crossbeam, and is arranged with first saddle interval;
The carving and milling machine head assembly is slidably mounted on second saddle, the glazier for completing the process to grinding
Part carries out carving Milling Machining.
Optionally, the workbench is slidably mounted on the pedestal;The column is fixedly installed in the pedestal.
Optionally, the workbench is fixedly installed in the pedestal;The column is slidably mounted on the pedestal.
Optionally, the double-station numerical control lathe further includes Y-axis driving assembly;The Y-axis driving assembly is fixedly installed in
The pedestal, for driving the movement of the workbench or the column in the Y-axis direction.
Optionally, the double-station numerical control lathe further includes X-axis driving assembly;The X-axis driving assembly is fixedly installed in
The crossbeam, for driving first saddle and second saddle in the movement of X-direction.
Optionally, the X-axis driving assembly includes driving motor, the screw rod being sequentially connected with the driving motor and institute
State the first wire nut and the second screw of screw rod transmission connection;First saddle is fixedly connected with the first wire nut;Described
Two saddles are fixedly connected with second screw.
Optionally, the frotton that the grinding nose assembly includes the first Z axis slide plate, is installed on the first Z axis slide plate,
And it is installed on the grinding driving assembly of the first Z axis slide plate;The first Z axis slide plate and first saddle sliding connect
It connects;The grinding driving assembly is fixedly installed in the first Z axis slide plate, for driving the frotton to rotate.
Optionally, the double-station numerical control lathe further includes the first Z axis driving assembly, and the first Z axis driving assembly is solid
Dingan County is loaded on first saddle, for driving the movement of the grinding nose assembly in the Z-axis direction.
Optionally, the carving and milling machine head assembly include the second Z axis slide plate, the milling cutter that is installed on the second Z axis slide plate,
And it is installed on the carving milling driving assembly of the second Z axis slide plate;The second Z axis slide plate and second saddle sliding connect
It connects;The carving milling driving assembly is fixedly installed in the second Z axis slide plate, for driving the milling cutter to rotate.
Optionally, the double-station numerical control lathe further includes the second Z axis driving assembly, and the second Z axis driving assembly is solid
Dingan County is loaded on second saddle, for driving the movement of the carving and milling machine head assembly in the Z-axis direction.
The technical solution of the utility model integrates grinding nose assembly with carving and milling machine head assembly, so that one
Numerically-controlled machine tool may be implemented grinding and mill two different procedure for processing with carving, effectively improves processing efficiency, reduces and be processed into
This;And the double-station numerical control machine tool structure of the utility model is simple, cost is relatively low.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the schematic perspective view of one embodiment of the utility model double-station numerical control lathe.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
Originally it implements and proposes a kind of double-station numerical control lathe.
As shown in FIG. 1, FIG. 1 is the schematic perspective views of one embodiment of the utility model double-station numerical control lathe.
The double-station numerical control lathe of the present embodiment, including pedestal 110, workbench 120, Y-axis driving assembly 130, column
140, crossbeam 150, the first saddle 210, the second saddle 310, X-axis driving assembly 160, grinding nose assembly 220, the first Z axis drive
Dynamic component 230, carving and milling machine head assembly 320 and the second Z axis driving assembly 330.Wherein,
The workbench 120 is installed on the pedestal 110, is used for bearing glass workpiece 400.
Specifically, in the present embodiment, the workbench 120 is slidably mounted on the pedestal 110, for carrying and positioning
The fixed jig (not indicating) for being contained with glass pieces 400.Preferably, the workbench 120 passes through Y-axis with the pedestal 110
Guidance set realization (not shown) is slidably connected.The Y-axis guidance set includes Y-axis sliding rail and Y-axis sliding block.Preferably, the Y
Axis sliding rail is fixedly installed in the pedestal 110;Y-axis sliding block one end is slidably connected with the Y-axis, the other end and the work
Platform 120 is fixedly connected;The Y-axis sliding block slides on the Y-axis sliding rail, and then realizes the workbench 120 and the bottom
Seat 110 is slidably connected.Meanwhile the Y-axis guidance set be also used to the workbench 120 Y direction mobile progress
Guiding to guarantee the workbench 120 stationarity and smoothness mobile in Y direction, and then guarantees machining accuracy.
It is noted that above-mentioned Y-axis sliding rail and the position of Y-axis sliding block can be interchanged, also i.e. by the fixed peace of Y-axis sliding rail
Loaded on the workbench 120, and the Y-axis sliding block is fixedly connected with the pedestal 110, equally can be and realize above-mentioned technology
Effect.
The Y-axis driving assembly 130 is fixedly installed in the pedestal 110, for driving the workbench 120 or described vertical
The movement of column 140 in the Y-axis direction.
Specifically, in the present embodiment, the Y-axis driving assembly 130 is driving cylinder, cylinder body is fixedly installed in described
Pedestal 110, push rod and the workbench 120 are sequentially connected.The Y-axis driving assembly 130 is for driving the workbench 120 to exist
Movement in Y direction.
It is noted that the Y-axis driving assembly 130 is not limited to driving cylinder, it can also be other driving devices,
For example, linear motor or the combination of servo motor and lead screw assembly etc., equally may be implemented to the workbench 120 in Y-axis side
The driving of upward movement.
The column 140 is two, and two columns 140 are installed on the pedestal 110, and are oppositely arranged.The crossbeam
150 are fixedly installed in the column 140 far from described 110 one end of pedestal.
Specifically, in the present embodiment, two columns 140 form gantry shape structure with the crossbeam 150.Wherein,
Two columns 140 are fixedly installed in the two sides of 110 tail end of pedestal respectively.The crossbeam 150 can be with the column 140
It is integrally formed, or be fixed together again after seperated molding.
First saddle 210 is slidably mounted on the crossbeam 150 with second saddle 310, and described first is sliding
Saddle 210 and second saddle 310 interval are arranged.
Specifically, in the present embodiment, first saddle 210 passes through X-axis guidance set with second saddle 310
(not shown) is slidably connected with the crossbeam 150.The X-axis guidance set includes X-axis slide rail, the first X-axis slide block and the second X-axis
Sliding block.Wherein, the X-axis slide rail is fixedly installed in the crossbeam 150.First X-axis slide block one end and the X-axis slide rail are sliding
Dynamic connection, the other end are slidably connected with first saddle 210;First X-axis slide block is slided in the X-axis slide rail, into
And realize being slidably connected for first saddle 210 and the crossbeam 150.Second X-axis slide block one end and the X-axis are sliding
Rail is slidably connected, and the other end is slidably connected with second saddle 310;Second X-axis slide block is sliding in the X-axis slide rail
It is dynamic, and then realize being slidably connected for second saddle 310 and the crossbeam 150.
Guiding group is respectively set with second saddle 310 it is noted that first saddle 210 can also be corresponded to
Above-mentioned technical effect equally may be implemented in part.
The X-axis driving assembly 160 is fixedly installed in the crossbeam 150, for drive first saddle 210 with it is described
Movement of second saddle 310 in X-direction.
Specifically, in the present embodiment, the X-axis driving assembly 160 includes driving motor (not indicating) and the driving
The screw rod (not indicating) of the output shaft transmission connection of motor, the first wire nut (not indicating) and second being connect with the screw rod transmission
Screw (does not indicate).The first wire nut and second screw interval are arranged.First saddle 210 and the first wire nut
It is fixedly connected;Second saddle 310 is fixedly connected with second screw.The driving motor is preferably servo motor.Institute
The output shaft rotation for stating driving motor, drives the screw rod to rotate, while the screw rod rotates, drive the first wire nut with
Second screw does linear motion along the x axis, and then realizes first saddle 210 and second saddle 310
Linear motion along the x axis.
X-axis drive is respectively set with second saddle 310 it is noted that first saddle 210 can also be corresponded to
Dynamic component 160 respectively drives control to first saddle 210 and second saddle 310 to realize, equally may be implemented
Above-mentioned technical effect.
The grinding nose assembly 220 is slidably mounted on first saddle 210, for being placed in the workbench
120 glass pieces 400 carry out grinding.
In the present embodiment, the grinding nose assembly 220 is sleeping mill formula comprising the first Z axis slide plate 222 is installed on
Frotton 224 on the first Z axis slide plate 222, and it is installed on the grinding driving assembly 226 of the first Z axis slide plate 222.
Wherein,
The first Z axis slide plate 222 is connected with first saddle 210 by the sliding (not shown) of the first Z axis guidance set
It connects.Specifically, the first Z axis guidance set includes the first Z axis slide rail and the first Z axis sliding block.Wherein, first Z axis is sliding
Rail is fixedly installed in first saddle 210, and described first Z axis sliding block one end is slidably connected with first Z axis slide rail, another
End is fixedly connected with the first Z axis slide plate 222.The first Z axis sliding block slides in first Z axis slide rail, Jin Ershi
Being slidably connected for the first Z axis slide plate 222 and first saddle 210 is showed.
The grinding driving assembly 226 is fixedly installed in the first Z axis slide plate 222, for driving 224 turns of the frotton
It is dynamic.Specifically, the grinding driving assembly 226 is preferably servo motor.
The first Z axis driving assembly 230 is fixedly installed in first saddle 210, for driving the grinding head
The movement of component 220 in the Z-axis direction.
Specifically, in the present embodiment, the first Z axis driving assembly 230 is driving cylinder or linear motor, fix
It is installed on first saddle 210, for driving the movement of the first Z axis slide plate 222 in the Z-axis direction, and then is realized
Driving to the grinding nose assembly 220.
The carving and milling machine head assembly 320 is slidably mounted on second saddle 310, described in completing the process to grinding
Glass pieces 400 carry out carving Milling Machining.
In the present embodiment, the carving and milling machine head assembly 320 includes the second Z axis slide plate 322, is installed on second Z axis
Milling cutter 324 on slide plate 322, and it is installed on the carving milling driving assembly 326 of the second Z axis slide plate 322.Wherein,
The second Z axis slide plate 322 is connected with second saddle 310 by the sliding (not shown) of the second Z axis guidance set
It connects.Specifically, the second Z axis guidance set includes the second Z axis slide rail and the second Z axis sliding block.Wherein, second Z axis is sliding
Rail is fixedly installed in second saddle 310, and described second Z axis sliding block one end is slidably connected with second Z axis slide rail, another
End is fixedly connected with the second Z axis slide plate 322.The second Z axis sliding block slides in second Z axis slide rail, Jin Ershi
Being slidably connected for the second Z axis slide plate 322 and second saddle 310 is showed.
The carving milling driving assembly 326 is fixedly installed in the second Z axis slide plate 322, for driving 324 turns of the milling cutter
It is dynamic.Specifically, the carving milling driving assembly 326 is preferably the combination of servo motor and gear-box.
The second Z axis driving assembly 330 is fixedly installed in second saddle 310, for driving the carving milling driving
The movement of component 326 in the Z-axis direction.
Specifically, in the present embodiment, the second Z axis driving assembly 330 is driving cylinder or linear motor, fix
It is installed on second saddle 310, for driving the movement of the second Z axis slide plate 322 in the Z-axis direction, and then is realized
Driving to the carving and milling machine head assembly 320.
When the double-station numerical control lathe work of the present embodiment, the jig for being contained with the glass pieces 400 is placed
In on the workbench 120, and it is fixed on the positioning.After the completion of fixation, the Y-axis driving assembly 130 drives the workbench
While 120 movement, the X-axis driving assembly 160 drives the grinding nose assembly 220 mobile, until the grinding head group
The frotton 224 of part 220 is located at the surface of the glass pieces 400 (at this point, the grinding nose assembly 220 is located at the cross
The middle position of beam 150, and the carving and milling machine head assembly 320 is located at one end of the crossbeam 150).It is driven in first Z axis
Under the driving of component 230, the grinding nose assembly 220 is mobile towards the direction close to the glass pieces 400, in place after,
The grinding driving assembly 226 drives the frotton 224 to carry out grinding to the glass pieces 400.Grinding is completed
Afterwards, the grinding nose assembly 220 is directed away from the glass pieces under the driving of the first Z axis driving assembly 230
400 direction is mobile, meanwhile, the X-axis driving assembly 160 drives the carving and milling machine head assembly 320 towards close to the glass
The direction of workpiece 400 is mobile, until the milling cutter 324 of the carving and milling machine head assembly 320 is located at the surface of the glass pieces 400
(at this point, the carving and milling machine head assembly 320 is located at the middle position of the crossbeam 150, and the grinding nose assembly 220 is located at
The other end of the crossbeam 150).Under the driving of the second Z axis driving assembly 330,320 direction of carving and milling machine head assembly
Direction close to the glass pieces 400 is mobile, in place after, the carving mills driving assembly 326 and drives the milling cutter 324 to described
Glass pieces 400 carry out carving Milling Machining.
The technical solution of the present embodiment integrates grinding nose assembly 220 with carving and milling machine head assembly 320, so that
One numerically-controlled machine tool may be implemented grinding and mill two different procedure for processing with carving, effectively improves processing efficiency, reduces and add
Work cost;And the double-station numerical control machine tool structure of the present embodiment is simple, cost is relatively low.
The utility model also proposes another embodiment of double-station numerical control lathe.
Based on the above embodiment, the difference of the present embodiment and above-described embodiment is only that, in the present embodiment, the column
140 are slidably connected with the pedestal 110, and the workbench 120 is fixedly connected with the pedestal 110.The Y-axis driving assembly
130 for driving the column 140 to move in the Y-axis direction.
Technical effect same as above-described embodiment may be implemented in the present embodiment, and this will not be repeated here.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of double-station numerical control lathe, which is characterized in that including pedestal, workbench, column, crossbeam, the first saddle, milling drum
Head assembly and the second saddle and carving and milling machine head assembly, wherein
The workbench is installed on the pedestal, is used for bearing glass workpiece;
The column is two, and two columns are installed on the pedestal, and are oppositely arranged;
The crossbeam is fixedly installed in the column far from described pedestal one end;
First saddle is slidably mounted on the crossbeam;
The grinding nose assembly is slidably mounted on first saddle, for the glazier for being placed in the workbench
Part carries out grinding;
Second saddle is slidably mounted on the crossbeam, and is arranged with first saddle interval;
The carving and milling machine head assembly is slidably mounted on second saddle, for the glass pieces that complete the process of grinding into
Row carving Milling Machining.
2. double-station numerical control lathe as described in claim 1, which is characterized in that the workbench is slidably mounted on the bottom
Seat;The column is fixedly installed in the pedestal.
3. double-station numerical control lathe as described in claim 1, which is characterized in that the workbench is fixedly installed in the bottom
Seat;The column is slidably mounted on the pedestal.
4. double-station numerical control lathe as claimed in claim 2 or claim 3, which is characterized in that further include Y-axis driving assembly;The Y-axis
Driving assembly is fixedly installed in the pedestal, for driving the movement of the workbench or the column in the Y-axis direction.
5. double-station numerical control lathe as described in claim 1, which is characterized in that further include X-axis driving assembly;The X-axis is driven
Dynamic component is fixedly installed in the crossbeam, for driving first saddle and second saddle in the movement of X-direction.
6. double-station numerical control lathe as claimed in claim 5, which is characterized in that the X-axis driving assembly include driving motor,
With the screw rod of driving motor transmission connection, the first wire nut being connect with the screw rod transmission and the second screw;Described first
Saddle is fixedly connected with the first wire nut;Second saddle is fixedly connected with second screw.
7. double-station numerical control lathe as described in claim 1, which is characterized in that the grinding nose assembly includes the first Z axis
Slide plate, the frotton being installed on the first Z axis slide plate, and it is installed on the grinding driving assembly of the first Z axis slide plate;Institute
The first Z axis slide plate is stated to be slidably connected with first saddle;It is sliding that the grinding driving assembly is fixedly installed in first Z axis
Plate, for driving the frotton to rotate.
8. double-station numerical control lathe as claimed in claim 7, which is characterized in that it further include the first Z axis driving assembly, described
One Z axis driving assembly is fixedly installed in first saddle, for driving the shifting of the grinding driving assembly in the Z-axis direction
It is dynamic.
9. double-station numerical control lathe as described in claim 1, which is characterized in that the carving and milling machine head assembly includes the second Z axis
Slide plate, the milling cutter being installed on the second Z axis slide plate, and it is installed on the carving milling driving assembly of the second Z axis slide plate;Institute
The second Z axis slide plate is stated to be slidably connected with second saddle;It is sliding that the carving milling driving assembly is fixedly installed in second Z axis
Plate, for driving the milling cutter to rotate.
10. double-station numerical control lathe as claimed in claim 9, which is characterized in that it further include the second Z axis driving assembly, it is described
Second Z axis driving assembly is fixedly installed in second saddle, for driving the shifting of the carving and milling machine head assembly in the Z-axis direction
It is dynamic.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821830318.2U CN208977539U (en) | 2018-11-06 | 2018-11-06 | Double-station numerical control lathe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821830318.2U CN208977539U (en) | 2018-11-06 | 2018-11-06 | Double-station numerical control lathe |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208977539U true CN208977539U (en) | 2019-06-14 |
Family
ID=66790536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821830318.2U Active CN208977539U (en) | 2018-11-06 | 2018-11-06 | Double-station numerical control lathe |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208977539U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109227318A (en) * | 2018-11-06 | 2019-01-18 | 深圳市创世纪机械有限公司 | Double-station numerical control lathe |
CN111390700A (en) * | 2019-12-12 | 2020-07-10 | 浙江杭机股份有限公司 | Polishing and grinding integrated machine for optical elements |
-
2018
- 2018-11-06 CN CN201821830318.2U patent/CN208977539U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109227318A (en) * | 2018-11-06 | 2019-01-18 | 深圳市创世纪机械有限公司 | Double-station numerical control lathe |
CN111390700A (en) * | 2019-12-12 | 2020-07-10 | 浙江杭机股份有限公司 | Polishing and grinding integrated machine for optical elements |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN203875884U (en) | Five-axis manipulator | |
US8951175B2 (en) | Section member drilling or milling machine | |
CN201951138U (en) | Four-axis three-dimensional engraving machine | |
CN106181434B (en) | A kind of coarse-fine combined numerically controlled processing center machine tool | |
CN204397367U (en) | A kind of dynamic post and beam gantry Five-axis NC Machining Center | |
CN111002047A (en) | Numerical control movable beam type five-axis gantry machining center machine tool | |
CN211387675U (en) | Gantry machine tool for combined machining | |
CN208977539U (en) | Double-station numerical control lathe | |
CN106001818A (en) | Universal angle head applicable to EDM machine tool | |
CN104625884B (en) | Automatic boring device of thin-wall-cylinder shaped spare part | |
CN109227318A (en) | Double-station numerical control lathe | |
CN205651075U (en) | Longmen machining center | |
CN104858720A (en) | Main shaft box movement type turn milling machine tool with five-axis structure on positive axis | |
CN208628852U (en) | A kind of numerically-controlled machine tool of achievable nonvolatile organic acid turning-milling complex processing | |
CN212217764U (en) | Numerical control movable beam type five-axis gantry machining center machine tool | |
CN205818763U (en) | There is the carving machine of detecting head | |
CN104875079A (en) | Recutting centering type turn-milling machine tool with five-axis structure type front axis | |
CN204818210U (en) | Move roof beam planer -type milling machine | |
CN107971503A (en) | A kind of numerical control movable post vertical lathe | |
CN204997347U (en) | Unilateral lathe of duplex head multipurpose | |
CN203956719U (en) | Horizontal digital-control knife sharpener | |
CN209157673U (en) | Work pieces process deburring all-in-one machine | |
CN209938171U (en) | General engraving machine | |
CN206550651U (en) | A kind of machining tool | |
CN105269454A (en) | Horizontal type numerical control tool sharpener |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |