CN208195969U - A kind of automatic welding machine - Google Patents
A kind of automatic welding machine Download PDFInfo
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- CN208195969U CN208195969U CN201820332879.3U CN201820332879U CN208195969U CN 208195969 U CN208195969 U CN 208195969U CN 201820332879 U CN201820332879 U CN 201820332879U CN 208195969 U CN208195969 U CN 208195969U
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Abstract
The utility model provides a kind of automatic welding machine, and the utility model includes workbench, rack, wire-feed motor, welding gun, transmitting device, material-pulling device, forward gear, waiting table；The utility model structure is simple, high degree of automation；It is automatically performed the feeding work of welded workpiece by robot arm, transmitting device, mitigates labor intensity of workers, improves loading efficiency；The conveying workpieces of welding workpiece are completed by material-pulling device, weight sensor, the workpiece that will complete welding is sent into waiting table, prepares for subsequent processing, avoids solving the security hidden trouble of welding workpiece high temperature scald operative employee using artificial；Welding workpiece is transferred on conveyer by forward gear, welding workpiece is transported on a conveyor using transition plates, avoids conveyer by high temperature.
Description
Technical field
The utility model relates to technical field of welding equipment, and in particular to a kind of automatic welding machine.
Background technique
In recent years, with the continuous development of China's economy.Output of steel has reached 5.3 hundred million tons, about one third
Steel products are needed by welding processing, and tailor of the welding equipment as steel has the huge market demand.Welding is also referred to as
Welding is the manufacturing process of a kind of jointing metal or other thermoplastic materials in a manner of heating, high temperature or high pressure, is two kinds
Or the technical process that two or more of the same race or dissimilar material is linked into an integrated entity by combination between atom or molecule and diffusion；
In welding process, workpiece and solder fusing form melt region, the just connection between forming material after the cooled and solidified of molten bath.But
Existing bonding machine the degree of automation is low, and feeding, discharging are mostly manual operation, and working efficiency is low；Workpiece after completing welding
Temperature is high, needs that the workpiece after welding is manually sent into subsequent processing, and such mode of movement not only increases the workload of worker,
Welding production efficiency is seriously affected, there is also security risk, is easy to scald operative employee, and after being welded by conveyer conveying
Workpiece, the high temperature workpiece after welding easily cause to damage to conveyer.
Utility model content
In order to solve the problems in the existing technology, the utility model provides a kind of automatic welding machine, has automatic
The high feature of change degree.
The technical solution that the utility model solves the above problems are as follows: a kind of automatic welding machine, including workbench, rack, give
Silk machine, welding gun, transmitting device, material-pulling device, forward gear, waiting table；
Rack is fixed on the table, and workbench upper end is equipped with wire-feed motor, and wire-feed motor is fixed on the rack, and welding gun is located at machine
In frame, welding gun is connected with wire-feed motor；
It is equipped with rectangular opening at table core position, the first limited block, two the first limited blocks point are equipped with above rectangular opening
Not Wei Yu rectangular opening the left and right sides, be respectively equipped with multiple vacuum chucks on the hole wall of rectangular opening front and rear sides, vacuum chuck is along the side X
To being uniformly distributed；Rectangular opening is arranged right below transmitting device；Transmitting device side is equipped with the second robot arm, storing area, storage
Material area is placed with welded workpiece；Workbench side is equipped with waiting table, and the other side is equipped with material-pulling device；Waiting table is far from workbench
Side is equipped with conveyer, and conveyer is equipped with multiple welding workpieces；
Waiting table includes station frame, and two station framves are symmetrically placed, forms rest area between two station framves；Each station
Frame is equipped with multiple first arc grooves, and the first arc groove is uniformly distributed in X direction, and the first weight is equipped in the first arc groove
Quantity sensor；Rest area is equipped with transition plates, and for transition plates in the rectangle that is projected as of horizontal plane, transition plates bottom surface is equipped with multiple first
Arc convex, the first arc convex are uniformly distributed in X direction, and the first arc convex is located in the first arc groove；Under transition plates
Equipped with forward gear；
Forward gear includes cylindrical cam, shaft, shifting axle, slide bar, the first disc cam, and shaft passes through the first support frame
It is fixed on ground, shaft one end passes through cylindrical cam, and the first disc cam is fixed in shaft, the shaft other end and third motor
It is connected, is electrically connected between third motor and the first weight sensor；Shaft is equipped with the first disc cam, on the first disc cam
Side is equipped with shifting axle；Shifting axle is fixed on ground by the second support frame, and shifting axle one end is slided by idler wheel and cylindrical cam
Connection, shifting axle are equipped with drive block；Drive block is slidably connected with shifting axle, and drive block is equipped with slide bar, and slide bar passes through transmission
Block, slide bar central axis are aligned with drive block central axis, slide bar close to one end of the first disc cam be equipped with top plate, top plate with
The contact of first disc cam, the slide bar other end are equipped with shifting block, and shifting block is equipped with multiple second arc grooves, the second arc groove edge
X-direction is uniformly distributed；Forward gear side is equipped with the first robot arm, is equipped with laydown area by the first robot arm, stacks
Multiple transition platess are equipped in area；
Transmitting device includes fixed cylinder, the second disc cam, first axle, the second axis, mandril, first motor, the second dish type
Cam one end is connected with first motor axis, and the other end face is equipped with crank slot, and crank slot includes left crank slot, right crank slot, left crank slot and right
Crank slot is symmetrical about the second disc cam median plane, and left crank slot is connected with right crank slot；Left crank slot is led including the first guide groove, second
Slot, the first guide groove are projected as arc-shaped horizontal plane, and the first guide groove both ends bend downward to form the second guide groove, the second guide groove to
Extend at second disc cam center；First axle one end is connected with crank slot sliding, and the other end and the second axis are hinged, and the second axis is separate
One end of first axle and mandril are hinged, and one end that mandril is not connected with the second axis passes through fixed cylinder and is connected with station platform；Station platform
Center position is equipped with the second weight sensor, welded workpiece, and welded workpiece is located above the second weight sensor, station
Platform upper surface is equipped with the first limit switch, and the first limit switch is located at the left and right sides of station platform, and station platform lower end surface is set
There is the second limit switch, the second limit switch is located at the surface of fixed cylinder；Fixed cylinder upper surface is equipped with the second limited block；First
Limit switch, the second limit switch are electrically connected between first motor, are electrically connected between vacuum chuck and first motor；Second
It is electrically connected between weight sensor and first motor；
Material-pulling device includes column, the second motor, first pulley, the second belt wheel, between time controller and the second motor
Electrical connection, the second motor shaft are connected with first pulley, and first pulley and the second belt wheel pass through toothed belt transmission, set on the second belt wheel
There is transmission shaft, center transmission shaft axis is not overlapped with the second belt wheel central axis；Column is equipped with fixed block, guide cylinder, guiding
Cylinder is located above fixed block；Locating rod is L shape, and locating rod one end passes through guide cylinder, and the other end is connected by connecting rod with positioning tube；
Push rod is equipped in positioning tube, push rod one end is equipped with U-shaped frame, and U-shaped frame, which is equipped with, rushes block, and the other end is equipped with mounting base, in mounting base
Equipped with idler wheel, idler wheel is connected with fixed block sliding；Push rod is equipped with spring, and spring is between positioning tube and mounting base；Transmission
Axis is connected with oscillating rod, and oscillating rod passes through U-shaped frame, and oscillating rod is connected far from one end of transmission shaft with locating rod.
The station platform size is less than rectangle pore size.
The block surface that rushes is equipped with rubber layer.
The fixed block cross sectional shape is right-angled trapezium.
The utility model has the utility model has the advantages that the utility model structure is simple, high degree of automation；Pass through robot
Arm, transmitting device are automatically performed the feeding work of welded workpiece, mitigate labor intensity of workers, improve loading efficiency；By pushing away
Expect that device, weight sensor complete the conveying workpieces of welding workpiece, the workpiece for completing welding is sent into waiting table, is next work
Sequence is prepared, and the security hidden trouble that welding workpiece high temperature scald operative employee is solved using artificial is avoided；Pass through forward gear
Welding workpiece is transferred on conveyer, transports welding workpiece on a conveyor using transition plates, avoid conveyer by
High temperature.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is the utility model forward gear structural schematic diagram.
Fig. 3 is the utility model waiting table structural schematic diagram.
Fig. 4 is the utility model transition plates structural schematic diagram.
Fig. 5 is utility model works platform and transmitting device structural schematic diagram.
Fig. 6 is utility model works platform top view.
Fig. 7 is the utility model transmitting device structural schematic diagram.
Fig. 8 is the second disc cam of the utility model structural schematic diagram.
Fig. 9 is the utility model material-pulling device structural schematic diagram.
Figure 10 is the utility model pusher structure schematic diagram.
In figure: 1- workbench, 2- welded workpiece, 3- transmitting device, 4- material-pulling device, 6- rectangular opening, 7- first are limited
Block, 8- vacuum chuck, the second robot arm of 9-, the storing area 10-, 14- fixed cylinder, the first disc cam of 15-, 16- first axle,
The second axis of 17-, 18- mandril, 20- crank slot, the left crank slot of 21-, the right crank slot of 22-, the first guide groove of 23-, the second guide groove of 24-, 25- station
Platform, the first limit switch of 27-, the second motor of 28-, 29- column, 30- first pulley, the second belt wheel of 31-, 32- synchronous belt, 33-
Transmission shaft, 34- fixed block, 35- guide cylinder, 36- locating rod, 37- push rod, 38- connecting rod, 39-U shape frame, 40- oscillating rod, 42- punching
Block, 43- mounting base, 44- idler wheel, 45- positioning tube, 46- spring, the second limited block of 47-, the second limit switch of 48-, 101- machine
Frame, 102- wire-feed motor, 103- welding gun, 107- waiting table, 108- conveyer, 109- station frame, the rest area 110-, the first arc of 111-
Connected in star, 112- transition plates, the first arc convex of 113-, 114- forward gear, 115- cylindrical cam, 116- shaft, 117- are moved
Moving axis, 118- slide bar, the first disc cam of 119-, 120- third motor, the first support frame of 121-, the second support frame of 122-,
123- drive block, 124- top plate, 125- shifting block, the second arc groove of 126-, 127- welding workpiece, the first robot of 128-
Arm.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is further described the utility model.
A kind of automatic welding machine, including workbench 1, rack 101, wire-feed motor 102, welding gun 103, transmitting device 3, pusher dress
Set 4, forward gear 114, waiting table 107；
Rack 101 fixed on the table 1,1 upper end of workbench is equipped with wire-feed motor 102, and wire-feed motor 102 is fixed on rack
On 101, welding gun 103 is located in rack 101, and welding gun 103 is connected with wire-feed motor 102；
1 center position of workbench is equipped with rectangular opening 6, and the first limited block 7, two first limits are equipped with above rectangular opening 6
Block 7 is located at the left and right sides of rectangular opening 6, is respectively equipped with multiple vacuum chucks 8, vacuum on 6 front and rear sides hole wall of rectangular opening
Sucker 8 is uniformly distributed in X direction；Rectangular opening 6 is arranged right below transmitting device 3；3 side of transmitting device is equipped with the second robot
Arm 9, storing area 10, storing area 10 are placed with welded workpiece 2；1 side of workbench is equipped with waiting table 107, and the other side is equipped with pusher
Device 4；Waiting table 107 is equipped with conveyer 108 far from the side of workbench, and conveyer 108 is equipped with multiple welding workpieces
127；
Waiting table 107 includes station frame 109, and two station framves 109 are symmetrically placed, are formed and put between two station framves 109
Set area 110；Each station frame 109 is equipped with multiple first arc grooves 111, and the first arc groove 111 uniformly divides in X direction
Cloth, the first arc groove 111 are interior equipped with the first weight sensor；Rest area 110 is equipped with transition plates 112, and transition plates 112 is in water
Plane is projected as rectangle, and 112 bottom surface of transition plates is equipped with multiple first arc convex 113, and the first arc convex 113 is in X direction
It is uniformly distributed, the first arc convex 113 is located in the first arc groove 111；Transition plates 112 has forward gear 114；
Forward gear 114 includes cylindrical cam 115, shaft 116, shifting axle 117, slide bar 118, the first disc cam 119,
Shaft 116 is fixed on ground by the first support frame 121, and 116 one end of shaft passes through cylindrical cam 115, the first disc cam 119
It is fixed in shaft 116,116 other end of shaft is connected with third motor 120, third motor 120 and the first weight sensor 128
Between be electrically connected；Shaft 116 is equipped with the first disc cam 119, is equipped with shifting axle 117 above the first disc cam 119；It is mobile
Axis 117 is fixed on ground by the second support frame 122, and 117 one end of shifting axle is slidably connected by idler wheel with cylindrical cam 115,
Shifting axle 117 is equipped with drive block 123；Drive block 123 is slidably connected with shifting axle 117, and drive block 123 is equipped with slide bar 118,
Slide bar 118 passes through drive block 123, and 118 central axis of slide bar is aligned with 123 central axis of drive block, and slide bar 118 is close to the first disk
One end of shape cam 119 is equipped with top plate 124, and top plate 124 is contacted with the first disc cam 119, and 118 other end of slide bar is equipped with shifting block
125, shifting block 125 is equipped with multiple second arc grooves 126, and the second arc groove 126 is uniformly distributed in X direction；Forward gear
114 sides are equipped with the first robot arm 128, and laydown area is equipped with by the first robot arm 128, is equipped with multiple mistakes in laydown area
Cab apron 112；
Transmitting device 3 includes fixed cylinder 14, the second disc cam 15, first axle 16, the second axis 17, the 18, first electricity of mandril
Machine 19,15 one end of the second disc cam are connected with 19 axis of first motor, and the other end face is equipped with crank slot 20, and crank slot 20 includes left song
Slot 21, right crank slot 22, left crank slot 21 is symmetrical about 15 median plane of the second disc cam with right crank slot 22, left crank slot 21 and right crank slot
22 are connected；Left crank slot 21 includes the first guide groove 23, the second guide groove 24, the first guide groove 23 horizontal plane be projected as it is arc-shaped, the
One guide groove, 23 both ends bend downward to form the second guide groove 24, and the second guide groove 24 extends at 15 center of the second disc cam；First
16 one end of axis is connected with the sliding of crank slot 20, and the other end and the second axis 17 are hinged, the second axis 17 one end and top far from first axle 16
Bar 18 is hinged, and one end that mandril 18 is not connected with the second axis 17 passes through fixed cylinder 14 and is connected with station platform 25；25 center of station platform
The second weight sensor, welded workpiece 2 are equipped at position, welded workpiece 2 is located above the second weight sensor, station platform
25 upper surfaces are equipped with the first limit switch 27, and the first limit switch 27 is located at the left and right sides of station platform 25, station platform 25
Lower end surface is equipped with the second limit switch 48, and the second limit switch 48 is located at the surface of fixed cylinder 14；14 upper surface of fixed cylinder is set
There is the second limited block 47；First limit switch 27, the second limit switch 48 are electrically connected between first motor 19, vacuum chuck
It is electrically connected between 8 and first motor 19；It is electrically connected between second weight sensor and first motor 19；
Material-pulling device 4 includes column 29, the second motor 28, first pulley 30, the second belt wheel 31, time controller and second
It is electrically connected between motor 28,28 axis of the second motor is connected with first pulley 30, and first pulley 30 passes through synchronous with the second belt wheel 31
Band 32 is driven, and the second belt wheel 31 is equipped with transmission shaft 33, and 33 central axis of transmission shaft is not overlapped with 31 central axis of the second belt wheel；
Column 29 is equipped with fixed block 34, guide cylinder 35, and guide cylinder 35 is located at 34 top of fixed block；Locating rod 36 is L shape, locating rod 36
One end passes through guide cylinder 35, and the other end is connected by connecting rod 38 with positioning tube 45；Push rod 37, push rod 37 1 are equipped in positioning tube 45
End is equipped with U-shaped frame 39, and U-shaped frame 39, which is equipped with, rushes block 42, and the other end is equipped with mounting base 43, and mounting base 43 is equipped with idler wheel 44, rolling
Wheel 44 is connected with the sliding of fixed block 34；Push rod 37 is equipped with spring 46, and spring 46 is between positioning tube 45 and mounting base 43；It passes
Moving axis 33 is connected with oscillating rod 40, and oscillating rod 40 passes through U-shaped frame 39, the one end of oscillating rod 40 far from transmission shaft 33 and locating rod 36
It is connected.
25 size of station platform is less than 6 size of rectangular opening.
42 surface of block that rushes is equipped with rubber layer.
34 cross sectional shape of fixed block is right-angled trapezium.
In use, the welded workpiece 2 of storing area 10 is first put into the middle position of station platform 25 by the second robot arm 9
Place, the second weight sensor receive weight signal at this time, control first motor work, and first motor drives disc cam 15
Rotation, so that mandril 18 drives station platform 25 to increase, when the first limit switch 27 on station platform 25 collides limited block, the
One motor stops working, while vacuum chuck 8 adsorbs station platform 25；
Regulating time relay guarantees after welding in advance to the operating interval of the second motor 28 of control,
Second motor 28 is started to work, and the second motor 28 drives transmission shaft rotation by synchronous belt 32, so that oscillating rod 40 drives positioning
Bar 36 moves up and down in guide cylinder 35, and 37 side-to-side movement of push rod rushes block 42 for the workpiece being welded and pushes waiting table to
107107, then the time relay controls the second motor 28 and stops working；The second weight sensor receives weight at this time at this time
Signal, control first motor work, so that mandril 18 drives station platform 25 to decline, when the second limit switch 48 on station platform 25
When colliding fixed cylinder 14, first motor stops working, and the welded workpiece 2 of storing area 10 is put by the second robot arm 9
The middle position of station platform 25, then repeats the above process.
After welding workpiece 127 is transported to waiting table 107, the second weight sensor receive weight signal at this time with
Control third motor 120 works afterwards, and third motor 120 drives cylindrical cam 115, the rotation of the second disc cam, to control biography
For motion block 123 simultaneously horizontal, vertical direction is mobile, shifting block 125 jacks up welding workpiece 127 in transition plates 112, will weld
Workpiece 127 and transition plates 112 are put on conveyer 108；The transition plates 112 of laydown area is put by the first robot arm 128
It sets in area 110.
Many other changes and modifications may be made without departing from the spirit and scope of the utility model.It should be appreciated that this reality
It is not limited to specific embodiment with novel, the scope of the utility model is defined by the following claims.
Claims (4)
1. a kind of automatic welding machine, which is characterized in that including workbench, rack, wire-feed motor, welding gun, transmitting device, pusher dress
It sets, forward gear, waiting table；
Rack is fixed on the table, and workbench upper end is equipped with wire-feed motor, and wire-feed motor is fixed on the rack, and welding gun is located at rack
Interior, welding gun is connected with wire-feed motor；
It is equipped with rectangular opening at table core position, the first limited block is equipped with above rectangular opening, two the first limited blocks distinguish position
In being respectively equipped with multiple vacuum chucks on the left and right sides of rectangular opening, rectangular opening front and rear sides hole wall, vacuum chuck is equal in X direction
Even distribution；Rectangular opening is arranged right below transmitting device；Transmitting device side is equipped with the second robot arm, storing area, storing area
It is placed with welded workpiece；Workbench side is equipped with waiting table, and the other side is equipped with material-pulling device；Side of the waiting table far from workbench
Equipped with conveyer, conveyer is equipped with multiple welding workpieces；
Waiting table includes station frame, and two station framves are symmetrically placed, forms rest area between two station framves；On each station frame
Equipped with multiple first arc grooves, the first arc groove is uniformly distributed in X direction, and the first weight is equipped in the first arc groove and is passed
Sensor；Rest area is equipped with transition plates, and for transition plates in the rectangle that is projected as of horizontal plane, transition plates bottom surface is equipped with multiple first arcs
Protrusion, the first arc convex are uniformly distributed in X direction, and the first arc convex is located in the first arc groove；Transition plates has
Forward gear；
Forward gear includes cylindrical cam, shaft, shifting axle, slide bar, the first disc cam, and shaft is fixed by the first support frame
On ground, shaft one end passes through cylindrical cam, and the first disc cam is fixed in shaft, the shaft other end and third motor phase
Even, it is electrically connected between third motor and the first weight sensor；Shaft is equipped with the first disc cam, the first disc cam top
Equipped with shifting axle；Shifting axle is fixed on ground by the second support frame, and shifting axle one end is connected by idler wheel and cylindrical cam sliding
It connects, shifting axle is equipped with drive block；Drive block is slidably connected with shifting axle, and drive block is equipped with slide bar, and slide bar passes through drive block,
Slide bar central axis is aligned with drive block central axis, and slide bar is equipped with top plate, top plate and the close to one end of the first disc cam
The contact of one disc cam, the slide bar other end are equipped with shifting block, and shifting block is equipped with multiple second arc grooves, and the second arc groove is along X
Direction is uniformly distributed；Forward gear side is equipped with the first robot arm, is equipped with laydown area, laydown area by the first robot arm
It is interior to be equipped with multiple transition platess；
Transmitting device includes fixed cylinder, the second disc cam, first axle, the second axis, mandril, first motor, the second disc cam
One end is connected with first motor axis, and the other end face is equipped with crank slot, and crank slot includes left crank slot, right crank slot, left crank slot and right crank slot
Symmetrical about the second disc cam median plane, left crank slot is connected with right crank slot；Left crank slot includes the first guide groove, the second guide groove, the
One guide groove is projected as arc-shaped horizontal plane, and the first guide groove both ends bend downward to form the second guide groove, and the second guide groove is to second
Extend at disc cam center；First axle one end is connected with crank slot sliding, and the other end and the second axis are hinged, and the second axis is far from first
One end of axis and mandril are hinged, and one end that mandril is not connected with the second axis passes through fixed cylinder and is connected with station platform；Station platform center
The second weight sensor, welded workpiece are equipped at position, welded workpiece is located above the second weight sensor, on station platform
End face is equipped with the first limit switch, and the first limit switch is located at the left and right sides of station platform, and station platform lower end surface is equipped with the
Two limit switches, the second limit switch are located at the surface of fixed cylinder；Fixed cylinder upper surface is equipped with the second limited block；First limit
Switch, the second limit switch are electrically connected between first motor, are electrically connected between vacuum chuck and first motor；Second weight
It is electrically connected between sensor and first motor；
Material-pulling device includes column, the second motor, first pulley, the second belt wheel, is electrically connected between time controller and the second motor
It connects, the second motor shaft is connected with first pulley, and by toothed belt transmission, the second belt wheel, which is equipped with, to be passed for first pulley and the second belt wheel
Moving axis, center transmission shaft axis are not overlapped with the second belt wheel central axis；Column is equipped with fixed block, guide cylinder, guide cylinder position
Above fixed block；Locating rod is L shape, and locating rod one end passes through guide cylinder, and the other end is connected by connecting rod with positioning tube；Positioning
Push rod is equipped in cylinder, push rod one end is equipped with U-shaped frame, and U-shaped frame, which is equipped with, rushes block, and the other end is equipped with mounting base, and mounting base is equipped with
Idler wheel, idler wheel are connected with fixed block sliding；Push rod is equipped with spring, and spring is between positioning tube and mounting base；Transmission shaft with
Oscillating rod is connected, and oscillating rod passes through U-shaped frame, and oscillating rod is connected far from one end of transmission shaft with locating rod.
2. a kind of automatic welding machine as described in claim 1, which is characterized in that the station platform size is less than rectangular opening ruler
It is very little.
3. a kind of automatic welding machine as described in claim 1, which is characterized in that the block surface that rushes is equipped with rubber layer.
4. a kind of automatic welding machine as described in claim 1, which is characterized in that the fixed block cross sectional shape is right angle ladder
Shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820332879.3U CN208195969U (en) | 2018-03-12 | 2018-03-12 | A kind of automatic welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820332879.3U CN208195969U (en) | 2018-03-12 | 2018-03-12 | A kind of automatic welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208195969U true CN208195969U (en) | 2018-12-07 |
Family
ID=64527644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820332879.3U Expired - Fee Related CN208195969U (en) | 2018-03-12 | 2018-03-12 | A kind of automatic welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208195969U (en) |
-
2018
- 2018-03-12 CN CN201820332879.3U patent/CN208195969U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 Termination date: 20190312 |
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| CF01 | Termination of patent right due to non-payment of annual fee |