CN209953529U - Lithium battery winding machine, pole piece driving mechanism and compression roller assembly thereof - Google Patents
Lithium battery winding machine, pole piece driving mechanism and compression roller assembly thereof Download PDFInfo
- Publication number
- CN209953529U CN209953529U CN201920580735.4U CN201920580735U CN209953529U CN 209953529 U CN209953529 U CN 209953529U CN 201920580735 U CN201920580735 U CN 201920580735U CN 209953529 U CN209953529 U CN 209953529U
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- Prior art keywords
- pole piece
- assembly
- compression roller
- roller
- connecting shaft
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- 230000006835 compression Effects 0.000 title claims abstract description 58
- 238000007906 compression Methods 0.000 title claims abstract description 58
- 230000007246 mechanism Effects 0.000 title claims abstract description 45
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 14
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 14
- 238000004804 winding Methods 0.000 title abstract description 8
- 239000000725 suspension Substances 0.000 claims description 28
- 238000003825 pressing Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model belongs to the technical field of lithium battery production equipment, in particular to a compression roller assembly, which comprises a mounting seat, a connecting shaft, a compression roller and an axial positioning assembly, wherein the mounting seat is provided with a mounting cavity; the connecting shaft is rotatably connected in the mounting cavity; the compression roller is movably connected to the connecting shaft; the axial positioning assembly is arranged on the connecting shaft and is used for fixing the axial position of the compression roller, and meanwhile, the pole piece driving mechanism with the compression roller assembly and a cantilever structure and the lithium battery winding machine with the driving mechanism are provided. Pole piece actuating mechanism and compression roller assembly's beneficial effect lie in: adopt cantilever structure to improve the convenience of maintenance, simultaneously, have axial position adjustable compression roller assembly, prevent that the pole piece from walking the skew of belting direction.
Description
Technical Field
The utility model belongs to the technical field of lithium battery processing equipment, especially, relate to a lithium battery winding machine, pole piece actuating mechanism and compression roller assembly thereof.
Background
A pole piece driving mechanism used in the winding and sheet-making process of a lithium battery winder in the prior art is shown in fig. 5, and comprises a fixing frame 1A, a compression roller assembly 1B and a driving roller 1C, wherein the driving roller 1C and the compression roller assembly 1B are rotatably connected in the fixing frame 1A, and a gap for a pole piece to pass through is arranged between the driving roller 1A and the compression roller assembly 1B; therefore, the pole piece can only be penetrated or blanked along the tape running direction of the pole piece, the requirement on the installation area is higher, if the pole piece is installed in an improper place, the driving mechanism is detached during penetrating or blanking, or the pole piece is cut to realize subsequent work; meanwhile, in the fixed structure, because the widths of the pole pieces with different specifications are different, the force applied to the pole pieces by the fixed compression roller cannot be always kept at the center position, and if the pressure of the compression roller is not at the center position of the pole pieces, the pole pieces can be deviated, the tape moving direction of the pole pieces is influenced, and the production is not facilitated.
Therefore, it is necessary to design a lithium battery winding machine, a pole piece driving mechanism and a compression roller assembly thereof to solve the deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lithium battery winding machine, pole piece actuating mechanism and compression roller assembly thereof aims at solving the technical problem of the skew of the pole piece tape running direction among the prior art.
In order to achieve the above object, an embodiment of the present invention provides a compression roller assembly, including: the mounting base is provided with a mounting cavity; the connecting shaft is rotatably connected in the mounting cavity; the compression roller is movably connected to the connecting shaft; the axial positioning assembly is arranged on the connecting shaft and is used for fixing the axial position of the press roller.
Optionally, the axial positioning assembly comprises two locking sleeves arranged on the connecting shaft, and the two locking sleeves are located on two sides of the pressing roller.
Optionally, the connecting shaft is a screw rod, the axial positioning assembly comprises an adjusting motor, a connecting cylinder and a nut matched with the connecting shaft, the connecting cylinder is fixedly sleeved on the nut, and the compression roller is rotatably connected to the connecting cylinder; the adjusting motor is arranged on one side of the mounting seat and drives the connecting shaft to rotate.
Compared with the prior art, the embodiment of the utility model provides an above-mentioned one or more technical scheme in the compression roller subassembly have one of following technological effect at least:
1. the compression roller is adjusted to be in the axial position on the connecting shaft through the axial positioning assembly, so that the force output point of the pushing assembly is always consistent with the center of the compression roller, the problem of stress deviation of the compression roller is solved, the tape moving direction of the pole piece is ensured, and the product quality is improved.
In order to achieve the above object, another embodiment of the present invention provides a pole piece driving mechanism, including: the device comprises a suspension, a pushing assembly, a driving roller and a driving motor, wherein the suspension is provided with a mounting groove; the pushing assembly is arranged in the mounting groove; the compression roller assembly is arranged at the telescopic end of the pushing assembly; the driving motor is arranged on one side of the compression roller assembly, and the driving roller can be matched with the compression roller assembly to clamp the pole piece; the driving motor is arranged on one side of the driving roller and is in driving connection with the driving roller through a transmission mechanism.
Optionally, the pushing assembly includes an air cylinder and a connecting mechanism, and the connecting mechanism connects the push rod of the air cylinder and the mounting seat.
Optionally, the suspension is provided with an adjusting portion for fixing an axial position of the cylinder.
Optionally, a plurality of positioning screw holes are formed in the suspension, and the positioning holes are arranged in parallel; the adjusting part comprises a positioning plate and a positioning piece, and a connecting screw hole is formed in the positioning plate; the positioning piece is a pre-tightening screw, and the air cylinder is fixedly arranged on the positioning plate.
Optionally, the adjusting portion includes a guide rail pair and a pushing member, the guide rail of the guide rail pair is disposed on one side of the suspension, the cylinder is fixedly connected with a sliding block of the guide rail pair, and the pushing member pushes the sliding block to move.
Optionally, a guide assembly is arranged on the suspension, the guide assembly includes a guide shaft and a sliding sleeve, the sliding sleeve is arranged on the suspension, the guide shaft slides along the inner side of the sliding sleeve, and the end of the guide shaft is fixedly connected with the connecting mechanism; the suspension is provided with a yielding groove for avoiding the guide shaft.
Compared with the prior art, the embodiment of the utility model provides an above-mentioned one or more technical scheme in the pole piece actuating mechanism have one of following technological effect at least:
1. the pushing assembly pushes the pressing roller to move, so that the pressing roller and the driving roller clamp the pole piece; by adopting the cantilever structure, the pole piece can be put in or taken out from the side edge, and compared with a fixed driving mechanism, the cantilever structure has the advantages of more flexibility, reduced downtime and improved production efficiency.
2. The axial position of the compression roller on the connecting shaft is adjusted through the axial positioning assembly, so that the force output point of the pushing assembly is always consistent with the center of the compression roller, the problem of stress deviation of the compression roller is eliminated, the tape moving direction of the pole piece is ensured, and the product quality is improved.
In order to achieve the above object, an embodiment of the present invention provides a lithium battery winding machine, including a pole piece driving mechanism as described above.
Compared with the prior art, the embodiment of the utility model provides an above-mentioned one or more technical scheme in the lithium battery winder have one of following technological effect at least:
1. the pushing assembly pushes the pressing roller to move, so that the pressing roller and the driving roller clamp the pole piece; by adopting the cantilever structure, the pole piece can be put in or taken out from the side edge, and compared with a fixed driving mechanism, the cantilever structure has the advantages of more flexibility, reduced downtime and improved production efficiency.
2. The axial position of the compression roller on the connecting shaft is adjusted through the axial positioning assembly, so that the force output point of the pushing assembly is always consistent with the center of the compression roller, the problem of stress deviation of the compression roller is eliminated, the tape moving direction of the pole piece is ensured, and the product quality is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a perspective view of a pole piece driving mechanism and a compression roller assembly thereof according to the present invention;
FIG. 2 is an enlarged detail view of the pole piece driving mechanism and the compression roller assembly thereof according to the present invention;
FIG. 3 is an enlarged detail view of the roller assembly of the present invention;
fig. 4 is a detailed enlarged view of the axial positioning assembly of the present invention, in which the connecting shaft is a screw rod;
fig. 5 is a front view of a prior art pole piece drive mechanism according to the present invention;
wherein, in the figures, the respective reference numerals:
1-mounting seat 2-connecting shaft 3-press roller
4-axial positioning component 5-transmission mechanism 6-suspension
7-pushing assembly 8-driving roller 9-driving motor
40-locking sleeve 41-adjusting motor 70-cylinder
60-adjusting part 60 a-positioning plate 61-positioning screw hole
62-guide assembly 600-connecting screw hole 62 a-guide shaft
62 b-sliding sleeve.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, when referring to the orientation or positional relationship indicated in the drawings, are used for convenience in describing the embodiments of the present invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, terms such as "mounted," "connected," "fixed," and the like shall be understood in a broad sense, and for example, may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In an embodiment of the present invention, as shown in fig. 1 to 3, a roller assembly includes: the device comprises a mounting seat 1, a connecting shaft 2, a compression roller 3 and an axial positioning assembly 4, wherein the mounting seat 1 is provided with a mounting cavity; the connecting shaft 2 is rotatably connected in the mounting cavity, and the compression roller 3 is movably sleeved on the connecting shaft 2; the axial positioning component 4 is arranged on the connecting shaft 2, and the axial positioning component 4 is used for fixing the axial position of the press roller 3.
The utility model discloses when using, compression roller 3 is in remove to predetermineeing the position on the connecting axle 2, axial positioning subassembly 4 will compression roller 3 is fixed to be locked, makes its location be in on the connecting axle 2, and then realize axial positioning, the order compression roller 3's stress point is all the time in the central point of pole piece, prevents that the pole piece from walking the skew when taking.
In another embodiment of the present invention, the axial positioning assembly 4 comprises two locking sleeves 40 disposed on the connecting shaft 2, and the two locking sleeves 40 are disposed on two sides of the compression roller 3; specifically, the lock sleeve 40 is a locking disc, and the locking disc is used for limiting the compression roller 3 on the preset axial position of the connecting shaft 2 to realize positioning.
In another embodiment of the present invention, the connecting shaft 2 is a lead screw, and the corresponding axial positioning assembly 4 includes an adjusting motor 41, a connecting cylinder (reference numeral is a mark), and a nut (reference numeral is a mark) engaged with the connecting shaft 2, the connecting cylinder is fixedly sleeved on the nut, and the compression roller 3 is rotatably connected to the connecting cylinder; the adjusting motor 41 is arranged on one side of the mounting seat 1, and an output shaft of the adjusting motor 41 is in driving connection with the screw rod through a transmission mechanism 5; specifically, the adjusting motor 41 drives the screw rod to rotate, so that the nut drives the compression roller 3 to move, axial positioning is realized, the adjusting mode can replace manual operation, and the adjusting effect speed is increased.
The utility model provides a pair of another embodiment provides a pole piece actuating mechanism, include: a suspension 6, a pushing assembly 7, a compression roller assembly as described in the above embodiments, a driving roller 8 and a driving motor 9, the suspension 6 being provided with a mounting groove; the pushing assembly 7 is arranged in the mounting groove; the compression roller assembly is arranged at the telescopic end of the pushing assembly 7; the driving motor 9 is arranged on one side of the compression roller assembly, and the driving roller 8 can be matched with the compression roller assembly to clamp the pole piece; the driving motor 9 is arranged on one side of the driving roller 8, and the driving motor 9 is in driving connection with the driving roller 8 through a transmission mechanism 5; the driving roller 8 is fixed below the suspension 6; it is specific, promotion subassembly 7 promotes the compression roller subassembly is past the direction of drive roller 8 removes, makes compression roller 3 with 8 butts of drive roller press from both sides the pole piece tightly, driving motor 9 drives 8 rotations of drive roller, the motion of driving pole piece, this kind of pole piece actuating mechanism who just uses cantilever structure compares with traditional pole piece actuating mechanism, and the pole piece can be followed suspension 6 with 8 sides of drive roller are taken out or are put into, no longer need loaded down with trivial details dismouting or cut the pole piece, improve work efficiency.
In another embodiment of the present invention, the pushing assembly 7 includes a cylinder 70 and a connecting mechanism (reference numeral) which fixedly connects the push rod of the cylinder 70 and the mounting base 1; specifically cylinder 70 passes through coupling mechanism will mount pad 1 toward the direction promotion of drive roller 8 makes compression roller 3 with the laminating of drive roller 8, and then the tight pole piece of clamp is convenient for drive roller 8 drive pole piece removes.
In another embodiment of the present invention, the suspension 6 is further provided with an adjusting portion 60 for fixing the axial position of the cylinder 70; in this embodiment, the suspension 6 is provided with a plurality of positioning screw holes 61, and the positioning holes are arranged in parallel; the adjusting portion 60 comprises a positioning plate 60a and a positioning member (reference numeral), and the positioning plate 60a is provided with a connecting screw hole 600; specifically the locating piece is the pretension screw, locating plate 60a moves to the preset position on suspension 6, the pretension screw passes through locating screw hole 61 with connect screw hole 600 locking, realizes the axial positioning of cylinder 70, further improves the flexibility.
In another embodiment of the present invention, a guiding assembly 62 is further disposed on the suspension 6, the guiding assembly 62 includes a guiding shaft 62a and a sliding sleeve 62b, the sliding sleeve 62b is disposed on the suspension 6, the guiding shaft 62a slides along the inner side of the sliding sleeve 62b, and the end of the guiding shaft 62a is fixedly connected to the connecting mechanism; the suspension 6 is provided with a relief groove (reference numeral) for avoiding the guide shaft 62 a; the sliding sleeve 62b is an oilless bushing, and the guide shaft 62a slides stably along the sliding sleeve 62b, so that the stability of the pressure roller 3 during movement is further improved;
in another embodiment of the present invention, the adjusting portion 60 includes a pair of guide rails (not marked) and a pushing member (not marked), the guide rails of the pair of guide rails are disposed on one side of the suspension 6, the cylinder 70 is fixedly connected to the sliding block of the pair of guide rails, and the pushing member pushes the sliding block to move; the pushing piece is an electric push rod or a linear motor; the pushing piece pushes the air cylinder 70 to slide and position, so that the axial positioning of the air cylinder 70 is realized, the response speed is higher than that of manual operation, and the adjusting time is shortened.
The utility model discloses another embodiment provides a lithium battery coiler, including the pole piece actuating mechanism of any one of above-mentioned embodiments, specific pole piece actuating mechanism sets up the input at pole piece conveying mechanism, compares with traditional lithium battery coiler, the pole piece can be taken out or put into from the suspension 6 with 8 sides of drive roller, no longer need loaded down with trivial details dismouting or cut off the pole piece, improves work efficiency; meanwhile, the axial positioning assembly 4 fixes and locks the compression roller 3, so that the compression roller is positioned on the connecting shaft 2, and further axial positioning is realized, the stress point of the compression roller 3 is always in the central position of the pole piece, and the pole piece is prevented from deviating when being transported.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A roller assembly, comprising:
the mounting seat is provided with a mounting cavity;
the connecting shaft is rotatably connected in the mounting cavity;
the compression roller is movably sleeved on the connecting shaft; and
and the axial positioning assembly is arranged on the connecting shaft and is used for fixing the axial position of the press roller.
2. The roller assembly of claim 1, wherein: the axial positioning assembly comprises two locking sleeves arranged on the connecting shaft, and the two locking sleeves are positioned on two sides of the pressing roller.
3. The roller assembly of claim 1, wherein: the connecting shaft is a screw rod, the axial positioning assembly comprises an adjusting motor, a connecting cylinder and a nut matched with the connecting shaft, the connecting cylinder is fixedly sleeved on the nut, and the compression roller is rotationally connected to the connecting cylinder; the adjusting motor is arranged on one side of the mounting seat and drives the connecting shaft to rotate.
4. Pole piece actuating mechanism, its characterized in that includes:
the suspension is provided with a mounting groove;
the pushing assembly is arranged in the mounting groove;
a roller assembly as claimed in any one of claims 1 to 3 provided at the telescopic end of the pushing assembly;
the driving roller is arranged on one side of the compression roller assembly and can be matched with the compression roller assembly to clamp the pole piece; and
the driving motor is arranged on one side of the driving roller and is in driving connection with the driving roller through a transmission mechanism.
5. The pole piece drive mechanism of claim 4, wherein: the pushing assembly comprises an air cylinder and a connecting mechanism, and the connecting mechanism is connected with a push rod of the air cylinder and the mounting seat.
6. The pole piece drive mechanism of claim 5, wherein: the suspension is provided with an adjusting portion for fixing the axial position of the cylinder.
7. The pole piece drive mechanism of claim 6, wherein: a plurality of positioning screw holes are formed in the suspension, and the positioning screw holes are arranged in parallel; the adjusting part comprises a positioning plate and a positioning piece, and a connecting screw hole is formed in the positioning plate; the positioning piece is a pre-tightening screw, and the air cylinder is fixedly arranged on the positioning plate.
8. The pole piece drive mechanism of claim 6, wherein: the adjusting part comprises a guide rail pair and a pushing part, a guide rail of the guide rail pair is arranged on the suspension, the cylinder is fixedly connected with a sliding block of the guide rail pair, and the pushing part pushes the sliding block to move.
9. A pole piece drive mechanism as claimed in any one of claims 5 to 8, wherein: the suspension is further provided with a guide assembly, the guide assembly comprises a guide shaft and a sliding sleeve, the sliding sleeve is arranged on the suspension, the guide shaft slides along the inner side of the sliding sleeve, and the end part of the guide shaft is fixedly connected with the connecting mechanism; and the suspension is provided with a yielding groove for avoiding the guide shaft.
10. Lithium battery winder, its characterized in that: comprising a pole piece drive mechanism as claimed in any one of claims 4 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920580735.4U CN209953529U (en) | 2019-04-25 | 2019-04-25 | Lithium battery winding machine, pole piece driving mechanism and compression roller assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920580735.4U CN209953529U (en) | 2019-04-25 | 2019-04-25 | Lithium battery winding machine, pole piece driving mechanism and compression roller assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209953529U true CN209953529U (en) | 2020-01-17 |
Family
ID=69244112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920580735.4U Expired - Fee Related CN209953529U (en) | 2019-04-25 | 2019-04-25 | Lithium battery winding machine, pole piece driving mechanism and compression roller assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209953529U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300000A (en) * | 2021-04-15 | 2021-08-24 | 大族激光科技产业集团股份有限公司 | Triangular roller mechanism and winding equipment for separating pole piece and diaphragm of lithium battery |
-
2019
- 2019-04-25 CN CN201920580735.4U patent/CN209953529U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113300000A (en) * | 2021-04-15 | 2021-08-24 | 大族激光科技产业集团股份有限公司 | Triangular roller mechanism and winding equipment for separating pole piece and diaphragm of lithium battery |
| CN113300000B (en) * | 2021-04-15 | 2023-05-30 | 深圳市大族贝瑞装备有限公司 | Triangular roller mechanism and winding equipment for separating pole piece and diaphragm trend of lithium battery |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |