CN208321767U - A kind of safe hole punched device of stamping parts - Google Patents
A kind of safe hole punched device of stamping parts Download PDFInfo
- Publication number
- CN208321767U CN208321767U CN201820867535.2U CN201820867535U CN208321767U CN 208321767 U CN208321767 U CN 208321767U CN 201820867535 U CN201820867535 U CN 201820867535U CN 208321767 U CN208321767 U CN 208321767U
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- CN
- China
- Prior art keywords
- fixedly connected
- outline border
- stamping parts
- bottom end
- hole punched
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- Expired - Fee Related
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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model discloses a kind of safe hole punched devices of stamping parts, including power outline border, the center of the push plate bottom end is fixedly connected with punching cutter head, the bottom end two sides of the power outline border are fixedly connected to presser device, the top of the presser device is fixedly connected on push plate, the bottom end of the power outline border and be located at punching cutter head inner hub location be fixedly connected with material returned bar, semicircle runner is fixedly connected on the output shaft of second motor, the semicircle runner engagement rotation is connected with interval driven wheel, push rod inside groove is offered in the interval driven wheel, shaft is fixedly connected on the circle core shaft of the driven wheel of having a rest, the top of the support rotating plate is fixedly connected with Work fixing device, the utility model relates to stamping parts technical field of processing equipment.The safe hole punched device of the stamping parts, solving workpiece cannot be fixed comprehensively, and degree of safety low problem when collecting workpiece, achieved the purpose that convenient for worker operation.
Description
Technical field
The utility model relates to stamping parts technical field of processing equipment, specially a kind of safe hole punched device of stamping parts.
Background technique
Perforating press is thin slice processing, and punching press is molded, and the forced metal such as embossing enters the movable part of mold.Stamping die,
It is to equip a kind of special process that material (metal or nonmetallic) is processed into part (or semi-finished product) in Cold Press Working,
Referred to as cold punching die (being commonly called as cold-punching mould).Punching press is at room temperature, to be applied using the mold being mounted on press machine to material
Pressure makes it generate separation or plastic deformation, thus a kind of pressure processing method of part needed for obtaining.
Since reform and opening-up, with the high speed development of national economy, market constantly increases the demand of mold.Mold work
Industry is fast-developing with 15% or so growth rate always, and the ownership ingredient of mould industry enterprise also has occurred great variety, removes
Outside state-owned professional mould factory, collective, joint, individual proprietorship and private also it is developed rapidly.Ningbo of Zhejiang and Huangyan area
" township of mold "；Township enterprise Guangdong some companies of large group and emerged rapidly, the groups such as imperial, beauty, Konka of section build one after another
The mold manufacturing center of oneself is found；Chinese-foreign joint and wholly foreign-owned Mould Enterprise there is now thousands of families.It is connect with the world
The step of rail is constantly accelerated, and market competition is increasingly sharpened, and people have been becoming increasingly recognized that product quality, cost and new product
Development ability importance.And mold manufacture is one of most basic element in entire chain.Many Mould Enterprises increase
For the dynamics of investment of technological progress, technological progress is considered as to the important motivity of enterprise development.
When stamped workpieces punching at present, workpiece is mounted on the table, and only the two sides of workpiece can just be fixed,
It is possible that dynamics is excessive when punching, workpiece fixed function cannot be reached, reduce punching quality, and complete it in punching
After need the manual pickup of worker, increase the risk of operation, may cause injury to personnel.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of safe hole punched device of stamping parts, solves workpiece
Degree of safety low problem when cannot be fixed, and collect workpiece comprehensively.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of safe punching of stamping parts
Device, including power outline border, the top inside the power outline border are fixedly connected with riser, and a side surface of the riser is fixed
It is connected with fixed gear, the interior surface of the fixed gear is fixedly connected with internal tooth, described to have on riser and be located at fixed tooth
It is fixedly connected with driven runner on the concentric circles of wheel, is fixedly connected with rotating bar on the driven runner, the one of the rotating bar
End is rotatably connected to pinion gear, and the pinion gear engagement rotation is connected to internal tooth, the center rotation connection of the pinion gear
There is catch bar, one end of the catch bar is rotatably connected to push rod, and the bottom end side of the riser is fixedly connected with push rod sliding slot,
The push rod runs through and is slidably connected to push rod sliding slot, and the bottom end that the push rod is located at outside push rod sliding slot, which is fixedly connected with, to push away
Plate, the center of the push plate bottom end are fixedly connected with punching cutter head, and the bottom end two sides of the power outline border are fixedly connected with
There is presser device, the top of the presser device is fixedly connected on push plate, and the center of the outer frame bottom of the power offers
Cutter sliding slot, the punching cutter head run through and are slidably connected to cutter sliding slot, the bottom end of the power outline border and are located at piercing knife
The inner hub location of head is fixedly connected with material returned bar, and the underface of the power outline border is fixedly connected with support by supporting leg
Platform, the side inside the support platform are fixedly connected with the second motor, are fixedly connected on the output shaft of second motor
There is semicircle runner, the side of the semicircle runner is fixedly connected with interval push rod, between the semicircle runner engagement rotation is connected with
It has a rest driven wheel, push rod inside groove is offered in the interval driven wheel, the interval push rod engagement is connected to push rod inside groove, described to have a rest
Shaft is fixedly connected on the circle core shaft of driven wheel, the top of the shaft is fixedly connected with support rotating plate, the support rotating plate
Top be fixedly connected with Work fixing device.
Preferably, the side inside the power outline border is fixedly connected with first motor, the output shaft of the first motor
On be fixedly connected with active runner, the active runner is rotationally connected with driven runner by belt.
Preferably, the middle position of the support platform offers punching slot.
Preferably, the presser device includes support outline border, and the support outline border is fixedly connected on power outline border, the branch
The inside two sides of support outline border offer limiting slot, slidably connect limit plate in the limiting slot.
Preferably, the middle position on the limit plate top is fixedly connected with upperpush rod, and the top of the upperpush rod is fixed
It is connected with top board, the top of the top board is fixedly connected on push plate.
Preferably, the bottom end two sides of the limit plate are fixedly connected to down-pressed pole, and the bottom end of the support outline border opens up
There is compression bar sliding slot, the down-pressed pole runs through and be slidably connected to compression bar sliding slot, and the down-pressed pole is located at one inside support outline border
End surfaces are arranged with reset spring, and the bottom end that the down-pressed pole is located at outside support outline border is fixedly connected with lower platen.
Preferably, the Work fixing device includes screw rod fixed block, and the bottom end of the screw rod fixed block is fixedly connected on
Rotating plate is supported, the side of the screw rod fixed block is rotatably connected to screw rod, and the middle position of the screw rod is fixedly connected with block.
Preferably, left fixture block and right fixture block are slidably connected respectively on the screw rod and at left and right sides of block, it is described
Side on left fixture block is symmetrically fixedly connected with left mesh rod.
Preferably, the side on the right fixture block is symmetrically fixedly connected with buffering frame, and the inside of the buffering frame offers
Right engaging groove, the inside of the right engaging groove are fixedly connected with buffer spring, and the left mesh rod and right engaging groove are symmetrical arranged.
Preferably, the top of the support rotating plate is fixedly connected with third motor, consolidates on the output shaft of the third motor
Surely it is connected with drive bevel gear, one end far from screw rod fixed block is fixedly connected with follow bevel gear, the master on the screw rod
Dynamic helical gear engagement is connected to follow bevel gear.
(3) beneficial effect
The utility model provides a kind of safe hole punched device of stamping parts.Have it is following the utility model has the advantages that
(1), the safe hole punched device of the stamping parts, by first motor be powered rotate, first motor by belt drive from
The rotation of turn wheel, driven runner drive pinion rotation by rotating bar, and for pinion gear in fixed gear internal rotation, pinion gear is logical
Crossing catch bar drives push rod to move up and down in push rod sliding slot, and push rod pushes push plate to move up and down, and push plate drives presser device pressure
The firmly two sides of workpiece, push plate drive punching cutter head to move downward to workpiece punching, and when punching finishes, punching cutter head, which moves up, to be moved back
Material bar exits the blanking in punching cutter head, and the second electrical power rotates at this time, and the second motor drives the rotation of semicircle runner, and semicircle turns
Wheel engagement drives interval driven wheel intermittent rotary, so that support rotating plate rotation is driven, so that worker takes out the work after the completion of punching press
Part has achieved the purpose that safe pickup after the completion of punching press.
(2), the safe hole punched device of the stamping parts is rotated by third electrical power, and third motor is driven by helical gear
Screw rod rotates, and the left fixture block and right fixture block on screw rod are mobile to screw rod middle position, interacts between left fixture block and right fixture block
Lower fixed workpiece, left mesh rod enter in buffering frame, and left mesh rod and buffer spring interact, and prevent to make when having reached fixed
The firmly purpose of excessive workpiece deformation.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the top view at the utility model A；
Fig. 3 is the structural schematic diagram of the utility model presser device；
Fig. 4 is the structural schematic diagram of the utility model Work fixing device.
In figure: 1- power outline border, 2- riser, 3- fixed gear, 4- internal tooth, the driven runner of 5-, 6- rotating bar, the small tooth of 7-
Wheel, 8- catch bar, 9- push rod sliding slot, 10- push rod, 11- push plate, 12- punching cutter head, 13- presser device, 131- support outline border,
132- limiting slot, 133- limit plate, 134- upperpush rod, 135- top board, 136- down-pressed pole, 137- compression bar sliding slot, 138- reset
Spring, 139- lower platen, 14- cutter sliding slot, 15- material returned bar, 16- supporting leg, 17- support platform, the second motor of 18-, 19- half
Circle runner, 20- interval push rod, 21- interval driven wheel, 22- push rod inside groove, 23- shaft, 24- support rotating plate, 25- workpiece are fixed
Device, 2501- screw rod fixed block, 2502- screw rod, 2503- block, the left fixture block of 2504-, the right fixture block of 2505-, the left engagement of 2506-
Bar, 2507- buffering frame, the right engaging groove of 2508-, 2509- third motor, 2510- drive bevel gear, 2511- follow bevel gear,
2512- buffer spring, 26- first motor, 27- active runner, 28- belt, 29- punching slot.
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 describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of safe hole punched device of stamping parts, including it is dynamic
Power outline border 1, the top inside power outline border 1 are fixedly connected with riser 2, and a side surface of riser 2 is fixedly connected with fixed gear
3, the interior surface of fixed gear 3 is fixedly connected with internal tooth 4, has on riser 2 and is located at fixed on the concentric circles for fixing gear 3 connect
It is connected to driven runner 5, rotating bar 6 is fixedly connected on driven runner 5, one end of rotating bar 6 is rotatably connected to pinion gear 7, small
7 engagement rotation of gear is connected to internal tooth 4, and the center of pinion gear 7 is rotatably connected to catch bar 8, one end rotation of catch bar 8
It is connected with push rod 10, the bottom end side of riser 2 is fixedly connected with push rod sliding slot 9, and push rod 10 runs through and is slidably connected to pusher slide
Slot 9, the bottom end that push rod 10 is located at outside push rod sliding slot 9 are fixedly connected with push plate 11, and the center of 11 bottom end of push plate is fixed to be connected
It is connected to punching cutter head 12, the bottom end two sides of power outline border 1 are fixedly connected to presser device 13, and the top of presser device 13 is fixed
It is connected to push plate 11, the center of 1 bottom of power outline border offers cutter sliding slot 14, and punching cutter head 12 runs through and is slidably connected
It is fixedly connected with material returned bar 15 in cutter sliding slot 14, the bottom end of power outline border 1 and positioned at the inner hub location of punching cutter head 12,
The underface of power outline border 1 is fixedly connected with support platform 17 by supporting leg 16, and the side inside support platform 17 is fixed to be connected
It is connected to the second motor 18, semicircle runner 19 is fixedly connected on the output shaft of the second motor 18, the side of semicircle runner 19 is fixed
It is connected with interval push rod 20,19 engagement rotation of semicircle runner is connected with interval driven wheel 21, offers and push away in interval driven wheel 21
Bar inside groove 22, the engagement of interval push rod 20 are connected to push rod inside groove 22, are fixedly connected with shaft 23 on the circle core shaft for driven wheel 21 of having a rest,
The top of shaft 23 is fixedly connected with support rotating plate 24, and the top of support rotating plate 24 is fixedly connected with Work fixing device 25.It reaches
The purpose of safe pickup after the completion of punching press is arrived.Side inside power outline border 1 is fixedly connected with first motor 26, first motor
Active runner 27 is fixedly connected on 26 output shaft, active runner 27 is rotationally connected with driven runner 5 by belt 28.Support
The middle position of platform 17 offers punching slot 29.Presser device 13 includes support outline border 131, and support outline border 131 is fixedly connected
In power outline border 1, supports the inside two sides of outline border 131 to offer limiting slot 132, slidably connect limit in limiting slot 132
Plate 133.The middle position on 133 top of limit plate is fixedly connected with upperpush rod 134, and the top of upperpush rod 134 is fixedly connected with
Pressing plate 135, the top of top board 135 are fixedly connected on push plate 11.The bottom end two sides of limit plate 133 are fixedly connected to down-pressed pole
136, the bottom end of support outline border 131 offers compression bar sliding slot 137, and down-pressed pole 136 runs through and be slidably connected to compression bar sliding slot 137,
The end surface that down-pressed pole 136 is located inside support outline border 131 is arranged with reset spring 138, and down-pressed pole 136 is located at support outline border
Bottom end outside 131 is fixedly connected with lower platen 139.Work fixing device 25 includes screw rod fixed block 2501, screw rod fixed block
2501 bottom end is fixedly connected on support rotating plate 24, and the side of screw rod fixed block 2501 is rotatably connected to screw rod 2502, screw rod
2502 middle position is fixedly connected with block 2503.It is slidably connected respectively on screw rod 2502 and positioned at 2503 left and right sides of block
There are left fixture block 2504 and right fixture block 2505, the side on left fixture block 2504 is symmetrically fixedly connected with left mesh rod 2506.Right fixture block
Side on 2505 is symmetrically fixedly connected with buffering frame 2507, and the inside of buffering frame 2507 offers right engaging groove 2508, and the right side is nibbled
The inside for closing slot 2508 is fixedly connected with buffer spring 2512, and left mesh rod 2506 is symmetrical arranged with right engaging groove 2508.Support
The top of rotating plate 24 is fixedly connected with third motor 2509, is fixedly connected with drive bevel gear on the output shaft of third motor 2509
2510, one end on screw rod 2502 far from screw rod fixed block 2501 is fixedly connected with follow bevel gear 2511, drive bevel gear
2510 engagements are connected to follow bevel gear 2511.Workpiece deforms when prevention effect power is excessive when having achieved the purpose that fixed.
It being rotated in use, being powered by first motor 26, first motor 26 drives driven runner 5 to rotate by belt 28,
Driven runner 5 drives pinion gear 7 to rotate by rotating bar 6, and pinion gear 7 is in fixed 3 inner rotation of gear, and pinion gear 7 is by pushing away
Lever 8 drives push rod 10 to move up and down in push rod sliding slot 9, and push rod 10 pushes push plate 11 to move up and down, and push plate 11 is with dynamic pressure plate
Device 13 pushes down the two sides of workpiece, and push plate 11 drives punching cutter head 12 to move downward to workpiece punching, when punching finishes, piercing knife
First 12 move up the blanking that material returned bar 15 exits in punching cutter head 12, and the second motor 18, which is powered, at this time rotates, the second motor 18
Semicircle runner 19 is driven to rotate, the engagement of semicircle runner 19 drives 21 intermittent rotary of interval driven wheel, to drive support rotating plate 24
Rotation has achieved the purpose that safe pickup after the completion of punching press so that worker takes out the workpiece after the completion of punching press.Pass through third motor
2509, which are powered, rotates, and third motor 2509 drives screw rod 2502 to rotate by helical gear, 2504 He of left fixture block on screw rod 2502
Right fixture block 2505 is mobile to screw rod middle position, and interact lower fixed workpiece between left fixture block 2504 and right fixture block 2505, left
Mesh rod 2506 enters in buffering frame 2507, and left mesh rod 2506 interacts with buffer spring 2512, pre- when having reached fixed
The purpose of workpiece deformation when anti-active force is excessive.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (10)
1. a kind of safe hole punched device of stamping parts, including power outline border (1), it is characterised in that: power outline border (1) inside
Top is fixedly connected with riser (2), and a side surface of the riser (2) is fixedly connected with fixed gear (3), the fixed gear
(3) interior surface is fixedly connected with internal tooth (4), fixed on the concentric circles for having on riser (2) and being located at fixed gear (3)
It is connected with driven runner (5), is fixedly connected with rotating bar (6) on the driven runner (5), one end of the rotating bar (6) turns
Dynamic to be connected with pinion gear (7), pinion gear (7) engagement rotation is connected to internal tooth (4), the center of the pinion gear (7)
It is rotatably connected to catch bar (8), one end of the catch bar (8) is rotatably connected to push rod (10), the bottom end one of the riser (2)
Side is fixedly connected with push rod sliding slot (9), and the push rod (10) is run through and is slidably connected to push rod sliding slot (9), the push rod (10)
The bottom end external positioned at push rod sliding slot (9) is fixedly connected with push plate (11), and the center of push plate (11) bottom end is fixed to be connected
It is connected to punching cutter head (12), the bottom end two sides of the power outline border (1) are fixedly connected to presser device (13), the pressing plate dress
The top for setting (13) is fixedly connected on push plate (11), and the center of power outline border (1) bottom offers cutter sliding slot
(14), the punching cutter head (12) is run through and is slidably connected to cutter sliding slot (14), the bottom end of the power outline border (1) and is located at
The inner hub location of punching cutter head (12) is fixedly connected with material returned bar (15), passes through branch immediately below the power outline border (1)
Support leg (16) is fixedly connected with support platform (17), and the internal side of the support platform (17) is fixedly connected with the second motor
(18), it is fixedly connected with semicircle runner (19) on the output shaft of second motor (18), the side of the semicircle runner (19)
It is fixedly connected with interval push rod (20), semicircle runner (19) engagement rotation is connected with interval driven wheel (21), the interval
It is offered push rod inside groove (22) in driven wheel (21), interval push rod (20) engagement is connected to push rod inside groove (22), described to have a rest
It is fixedly connected on the circle core shaft of driven wheel (21) shaft (23), the top of the shaft (23) is fixedly connected with support rotating plate
(24), the top of support rotating plate (24) is fixedly connected with Work fixing device (25).
2. the safe hole punched device of a kind of stamping parts according to claim 1, it is characterised in that: in the power outline border (1)
The side in portion is fixedly connected with first motor (26), is fixedly connected with active runner on the output shaft of the first motor (26)
(27), the active runner (27) is rotationally connected with driven runner (5) by belt (28).
3. the safe hole punched device of a kind of stamping parts according to claim 1, it is characterised in that: the support platform (17)
Middle position offers punching slot (29).
4. the safe hole punched device of a kind of stamping parts according to claim 1, it is characterised in that: presser device (13) packet
Support outline border (131) is included, the support outline border (131) is fixedly connected on power outline border (1), described to support the interior of outline border (131)
Portion two sides offer limiting slot (132), slidably connect limit plate (133) in the limiting slot (132).
5. the safe hole punched device of a kind of stamping parts according to claim 4, it is characterised in that: limit plate (133) top
The middle position at end is fixedly connected with upperpush rod (134), and the top of the upperpush rod (134) is fixedly connected with top board (135),
The top of the top board (135) is fixedly connected on push plate (11).
6. the safe hole punched device of a kind of stamping parts according to claim 5, it is characterised in that: the limit plate (133)
Bottom end two sides are fixedly connected to down-pressed pole (136), and the bottom end of support outline border (131) offers compression bar sliding slot (137), institute
It states down-pressed pole (136) to run through and be slidably connected to compression bar sliding slot (137), the down-pressed pole (136) is located in support outline border (131)
The end surface in portion is arranged with reset spring (138), and it is solid that the down-pressed pole (136) is located at the external bottom end of support outline border (131)
Surely lower platen (139) are connected with.
7. the safe hole punched device of a kind of stamping parts according to claim 1, it is characterised in that: the Work fixing device
It (25) include screw rod fixed block (2501), the bottom end of the screw rod fixed block (2501) is fixedly connected on support rotating plate (24), institute
The side for stating screw rod fixed block (2501) is rotatably connected to screw rod (2502), and the middle position of the screw rod (2502) is fixedly connected
There are block (2503).
8. the safe hole punched device of a kind of stamping parts according to claim 7, it is characterised in that: on the screw rod (2502) and
Left fixture block (2504) and right fixture block (2505), the left fixture block are slidably connected respectively at left and right sides of block (2503)
(2504) side on is symmetrically fixedly connected with left mesh rod (2506).
9. the safe hole punched device of a kind of stamping parts according to claim 8, it is characterised in that: on the right fixture block (2505)
Side be symmetrically fixedly connected with buffering frame (2507), it is described buffering frame (2507) inside offer right engaging groove (2508),
The inside of the right engaging groove (2508) is fixedly connected with buffer spring (2512), the left mesh rod (2506) and right engaging groove
(2508) it is symmetrical arranged.
10. the safe hole punched device of a kind of stamping parts according to claim 9, it is characterised in that: the support rotating plate (24)
Top be fixedly connected with third motor (2509), be fixedly connected with active helical teeth on the output shaft of the third motor (2509)
It takes turns (2510), one end on the screw rod (2502) far from screw rod fixed block (2501) is fixedly connected with follow bevel gear
(2511), drive bevel gear (2510) engagement is connected to follow bevel gear (2511).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820867535.2U CN208321767U (en) | 2018-06-06 | 2018-06-06 | A kind of safe hole punched device of stamping parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820867535.2U CN208321767U (en) | 2018-06-06 | 2018-06-06 | A kind of safe hole punched device of stamping parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208321767U true CN208321767U (en) | 2019-01-04 |
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ID=64773381
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820867535.2U Expired - Fee Related CN208321767U (en) | 2018-06-06 | 2018-06-06 | A kind of safe hole punched device of stamping parts |
Country Status (1)
| Country | Link |
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| CN (1) | CN208321767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620476A (en) * | 2018-06-06 | 2018-10-09 | 湖州坚美电声元件有限公司 | A kind of safe hole punched device of stamping parts |
-
2018
- 2018-06-06 CN CN201820867535.2U patent/CN208321767U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620476A (en) * | 2018-06-06 | 2018-10-09 | 湖州坚美电声元件有限公司 | A kind of safe hole punched device of stamping parts |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190104 Termination date: 20190606 |
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| CF01 | Termination of patent right due to non-payment of annual fee |