CN214168229U - Spinning frame yarn bobbin base series connection conveying system - Google Patents
Spinning frame yarn bobbin base series connection conveying system Download PDFInfo
- Publication number
- CN214168229U CN214168229U CN202022669103.0U CN202022669103U CN214168229U CN 214168229 U CN214168229 U CN 214168229U CN 202022669103 U CN202022669103 U CN 202022669103U CN 214168229 U CN214168229 U CN 214168229U
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- Prior art keywords
- yarn bobbin
- spinning frame
- bobbin
- yarn
- conveying
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- 238000009987 spinning Methods 0.000 title claims abstract description 88
- 230000007704 transition Effects 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract 2
- 238000003825 pressing Methods 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Replacing, Conveying, And Pick-Finding For Filamentary Materials (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The utility model relates to a spinning frame yarn bobbin base series connection conveying system, which comprises a plurality of spinning frame structures, wherein the spinning frame structures which are connected in series are provided with yarn bobbin base groups which are matched with a conveying belt on the spinning frame; the method is characterized in that: the transition module comprises a transition bracket, a guide baffle and a shifting fork structure; the bobbin holder group comprises a first bobbin holder and a second bobbin holder; adopt yarn bobbin base group, through the conveyer belt cooperation on yarn bobbin base group and the spinning frame, when the second yarn bobbin base follows the conveyer belt motion under the centre gripping of first yarn bobbin base in yarn bobbin base group, when second yarn bobbin base motion corner, drive the cylinder drive shift fork unit through the shift fork and stretch into in the opening of U type cassette, under the complex of direction baffle arc guiding edge and shift fork unit, will imbed the second yarn bobbin base between first yarn bobbin base and dial out U type cassette and enter into the carriage unit, then realize the transport of yarn bobbin base between the spinning frame of establishing ties to the first yarn bobbin base of next spinning frame through the transport of carriage unit.
Description
Technical Field
The utility model relates to a spinning frame series connection technical field especially relates to a spinning frame yarn bobbin base series connection conveying system.
Background
The spinning frame is a spinning machine which draws, twisting and winds semi-finished roving or sliver into spun yarn cop in the spinning process; the spinning frame is the machine which consumes the most energy in the spinning production. When a spinning frame is full of one package of cop in the production process, the production is stopped, and the spinning can be continued after the empty tube is replaced by the dropped cop. The size of the package therefore affects the productivity of the labor, the productivity of the equipment and also the energy consumption. The spindle speed, the package and the breakage rate are mutually related and restricted, are the marks of the technical level of the spinning frame, and need to be comprehensively considered from the aspects of society, technology and economy to determine a proper numerical value.
The common spinning frame adopts a single machine type structure, a rotary conveying belt is arranged on the spinning frame, and a yarn tube seat is arranged on the conveying belt; however, in the tandem type spinning frame structure, the bobbin seat on the spinning frame needs to be screened and transferred to the other conveying structures; therefore, the spinning frame is required to sort and transfer the spinning tube bases rotating on the spinning frame to the rest of the tandem spinning frame structures.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a spinning frame yarn bobbin base series connection conveying system, can solve general spinning frame and adopt single platform structure, carry out artifical transport yarn section of thick bamboo between multiunit spun yarn structure and switch, waste time and energy, and degree of automation is low.
In order to solve the technical problem, the utility model adopts the technical scheme that: a spinning frame yarn bobbin base serial connection conveying system comprises a plurality of spinning frame structures, wherein the spinning frame structures are sequentially connected in series end to end, a transition module is arranged between the spinning frame structures connected in series, and a yarn bobbin base group matched with a conveying belt on a spinning frame is arranged on the spinning frame structures; the innovation points are as follows: the transition module comprises a transition bracket, a guide baffle and a shifting fork structure; the bobbin holder group comprises a first bobbin holder and a second bobbin holder;
the first yarn bobbin seat is provided with a plurality of first yarn bobbin seat units, and the first yarn bobbin seat units are sequentially arranged on the conveying belt at equal intervals; the first yarn bobbin seat unit comprises a connecting rod, a U-shaped clamping seat and a first yarn bobbin column; the connecting rod is arranged at the bottom end of the U-shaped clamping seat, and the U-shaped clamping seat comprises a bottom plate, a side plate and a top plate; the bottom plate and the top plate are arranged in parallel, and the side plates are respectively connected to the end parts of the top plate and the side plates along the vertical direction to form a U-shaped structure; concave arc-shaped notches are formed in two side edges of the top plate, and a limiting groove for accommodating the second bobbin holder is formed between the concave arc-shaped notches of the top plates of the adjacent U-shaped clamping seats; the first bobbin column is vertically arranged on the top plate;
the second bobbin holder is arranged between two adjacent first bobbin holder units; the second yarn bobbin seat comprises a base, a limiting disc and a second yarn bobbin column; the base, the limiting disc and the second yarn barrel column are coaxially arranged; the base is embedded into the U-shaped clamping seats of the adjacent first yarn bobbin seat units along the opening direction of the U-shaped clamping seats of the first yarn bobbin seat units; the limiting discs are embedded between the concave arc-shaped notches of the top plates of the two adjacent U-shaped clamping seats, and the limiting of the limiting discs of the second bobbin seat is realized through the concave arc-shaped notches of the top plates; the second yarn bobbin column is arranged in parallel with the first yarn bobbin column;
the transition support comprises a pair of mutually parallel and independent conveying frame units, the pair of conveying frame units are respectively butted with the end parts of two side edges of the spinning frame mechanism in the length extension direction, the input end of the transition support is butted with the tail of the previous spinning frame mechanism, and the output end of the transition support is butted with the head of the next spinning frame mechanism; the conveying frame unit is provided with a conveying belt which is horizontally conveyed along the extending direction of the conveying frame unit;
the guide baffle is arranged on the conveying frame unit and is positioned at the butt joint of the conveying frame unit and the spinning frame; the guide baffle is horizontally arranged and provided with an arc-shaped guide edge, one end of the guide baffle is fixedly connected to the end part of the conveying frame unit, and the other end of the guide baffle extends to the inner side of the end part of the spinning frame in the length direction, so that arc-shaped guide is realized on a second yarn bobbin base in a yarn bobbin base group on the spinning frame;
the shifting fork structure is arranged on the conveying frame unit and comprises a shifting fork driving cylinder and a shifting fork unit; the shifting fork driving cylinder is horizontally arranged on the side edge of the conveying frame unit, the output end of the shifting fork driving cylinder is connected with the shifting fork unit, the shifting fork unit is driven to stretch and retract along the horizontal direction to enter a yarn bobbin base group on a spinning frame, the second yarn bobbin base embedded between adjacent first yarn bobbin bases is reversed to be pulled out of the spinning frame, and the yarn bobbins are transferred to the conveying frame unit from the spinning frame; or continuously move along the rectangular frame structure track formed by the conveyer belt of the spinning machine.
Furthermore, a connecting rod of the first yarn bobbin base unit is provided with a clamping groove matched with the conveying belt, the connecting rod is provided with a bolt hole communicated with the clamping groove, and the clamping groove on the connecting rod is embedded into the conveying belt and is matched with the bolt hole on the connecting rod through a bolt to realize the fixation of the connecting rod and the conveying belt.
Furthermore, two side edges of a top plate of the first yarn bobbin seat unit extend outwards to form a first wing plate and a second wing plate with a horizontal height difference, and the first wing plate is positioned below the second wing plate in the horizontal height; the first wing plates of the first yarn bobbin holder units are embedded below the second wing plates of the adjacent first yarn bobbin holder units to realize sequential arrangement.
Furthermore, a pressing plate is arranged on the lower surface of a top plate of the U-shaped clamping seat, and a base of the second yarn cylinder seat is located between the bottom end face of the pressing plate and the upper surface of a bottom plate of the U-shaped clamping seat.
Furthermore, a conveying limiting baffle is arranged on the side edge of the conveying frame unit along the extending direction of the conveying frame unit.
The utility model has the advantages that:
1) the utility model discloses in adopt yarn bobbin base group, through the conveyer belt cooperation on yarn bobbin base group and the spinning frame, when the second yarn bobbin base follows the conveyer belt motion under the centre gripping of first yarn bobbin base in yarn bobbin base group, when second yarn bobbin base motion corner, in stretching into the opening of U type cassette through shift fork driving cylinder drive shift fork unit, under the complex of direction baffle arc guiding edge and shift fork unit, dial out U type cassette with the second yarn bobbin base of embedding between first yarn bobbin base and enter into the carriage unit, then realize the transport of yarn bobbin base between the spinning frame of series connection between the first yarn bobbin base of transport to next spinning frame through the transport of carriage unit.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a conveying connection diagram of a yarn bobbin base series conveying system of the spinning frame.
Fig. 2 is another angle conveying connection diagram of the spinning frame yarn bobbin base series connection conveying system of the utility model.
Fig. 3 is the yarn bobbin base group assembly structure diagram of the yarn bobbin base series-connection conveying system of the spinning frame.
Fig. 4 is a first yarn bobbin base structure diagram of the yarn bobbin base series conveying system of the spinning frame of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, the spinning frame yarn bobbin base serial conveying system comprises a plurality of spinning frame structures 1, wherein the spinning frame structures 1 are sequentially connected in series end to end, a transition module 2 is arranged between the spinning frame structures 1 connected in series, and a yarn bobbin base group 3 matched with a conveying belt 4 on a spinning frame is arranged on each spinning frame structure 1; the transition module 2 comprises a transition bracket 21, a guide baffle 22 and a shifting fork structure 23; the package group 3 includes a first package holder 31 and a second package holder 32.
The first bobbin seat 31 is provided with a plurality of first bobbin seat units 33, and the first bobbin seat units 33 are sequentially arranged on the conveying belt 4 at equal intervals; the first bobbin base unit 33 includes a connecting rod 331, a U-shaped cassette 332, and a first bobbin column 333; the connecting rod 331 is disposed on the bottom end of the U-shaped clamp seat 332, and the U-shaped clamp seat 332 includes a bottom plate 3321, a side plate 3322 and a top plate 3323; the bottom plate 3321 and the top plate 3323 are arranged in parallel, and the side plates 3322 are respectively connected to the ends of the top plate 3323 and the side plates 3322 along the vertical direction to form a U-shaped structure; concave arc-shaped notches are formed in two side edges of the top plate 3323, and a limiting groove for accommodating the second bobbin seat 32 is formed between the concave arc-shaped notches of the top plates 3323 of the adjacent U-shaped clamping seats 332; the first bobbin column 333 is vertically provided on the top plate 3323.
The second package holder 32 is disposed between two adjacent first package holder units 33; the second bobbin seat 32 comprises a base 321, a limiting disc 322 and a second bobbin column 323; the base 321, the limiting disc 322 and the second bobbin column 323 are coaxially arranged; the base 321 is embedded in the U-shaped clamp 332 of the adjacent first bobbin holder unit 33 along the opening direction of the U-shaped clamp 332 of the first bobbin holder unit 33; the limiting disc 322 is embedded between the concave arc-shaped notches on the top plates 3323 of the two adjacent U-shaped clamping seats 332, and the limiting disc 322 of the second bobbin seat 32 is limited through the concave arc-shaped notches of the top plates 3323; the second bobbin column 323 is disposed in parallel with the first bobbin column 333.
The transition support 21 comprises a pair of mutually parallel and independent conveying frame units, the pair of conveying frame units are respectively butted with the end parts of two side edges of the spinning frame mechanism in the length extension direction, the input end of the transition support 21 is butted with the tail of the previous spinning frame mechanism 1, and the output end of the transition support 21 is butted with the head of the next spinning frame mechanism 1; the carriage unit is provided with a conveyor belt 24 that is horizontally conveyed along the direction in which the carriage unit extends.
The guide baffle 22 is arranged on the conveying frame unit and is positioned at the butt joint of the conveying frame unit and the spinning machine 1; the guide baffle 22 is horizontally arranged and provided with an arc-shaped guide edge, one end of the guide baffle 22 is fixedly connected to the end part of the conveying frame unit, and the other end of the guide baffle 22 extends to the inner side of the end part of the spinning frame 1 in the length direction, so that arc-shaped guide is realized on the second yarn bobbin seat 32 in the yarn bobbin seat group 3 on the spinning frame 1.
The shifting fork structure 23 is arranged on the conveying frame unit, and the shifting fork structure 23 comprises a shifting fork driving cylinder 231 and a shifting fork unit 232; the shifting fork driving cylinder 231 is horizontally arranged on the side edge of the conveying frame unit, the output end of the shifting fork driving cylinder 231 is connected with the shifting fork unit 232, the shifting fork unit 232 is driven to stretch and retract along the horizontal direction to enter the bobbin base group 3 on the spinning frame 1, the second bobbin base 32 embedded between the adjacent first bobbin bases 31 is reversed and pulled out of the spinning frame 1, and the spinning frame 1 is transferred to the conveying frame unit; or continuously move along the rectangular frame structure track formed by the conveyer belt of the spinning machine 1.
The connecting rod 331 of the first bobbin base unit 33 is provided with a clamping groove matched with the conveying belt 4, the connecting rod 331 is provided with a bolt hole 3311 communicated with the clamping groove, and the clamping groove on the connecting rod 331 is embedded into the conveying belt 4 and is matched with the bolt hole on the connecting rod 331 through a bolt to realize the fixation of the connecting rod 331 and the conveying belt 4.
A first wing plate 334 and a second wing plate 335 with a horizontal height difference are formed by extending the two sides of the top plate 3323 of the first bobbin base unit 33 outwards, and the first wing plate 334 is positioned below the second wing plate 335 in the horizontal height; the first wing plate 334 of the first package holder unit 33 is embedded below the second wing plate 335 of the adjacent first package holder unit 33 to be arranged in sequence.
The lower surface of the top plate 3323 of the U-shaped clamping seat 332 is provided with a pressing plate 3324, and the base of the second bobbin seat 32 is located between the bottom end surface of the pressing plate 3324 and the upper surface of the bottom plate 3321 of the U-shaped clamping seat 332.
And conveying limit baffles are arranged on the side edges of the conveying frame units along the extending direction of the conveying frame units.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A spinning frame yarn bobbin base serial connection conveying system comprises a plurality of spinning frame structures, wherein the spinning frame structures are sequentially connected in series end to end, a transition module is arranged between the spinning frame structures connected in series, and a yarn bobbin base group matched with a conveying belt on a spinning frame is arranged on the spinning frame structures; the method is characterized in that: the transition module comprises a transition bracket, a guide baffle and a shifting fork structure; the bobbin holder group comprises a first bobbin holder and a second bobbin holder;
the first yarn bobbin seat is provided with a plurality of first yarn bobbin seat units, and the first yarn bobbin seat units are sequentially arranged on the conveying belt at equal intervals; the first yarn bobbin seat unit comprises a connecting rod, a U-shaped clamping seat and a first yarn bobbin column; the connecting rod is arranged at the bottom end of the U-shaped clamping seat, and the U-shaped clamping seat comprises a bottom plate, a side plate and a top plate; the bottom plate and the top plate are arranged in parallel, and the side plates are respectively connected to the end parts of the top plate and the side plates along the vertical direction to form a U-shaped structure; concave arc-shaped notches are formed in two side edges of the top plate, and a limiting groove for accommodating the second bobbin holder is formed between the concave arc-shaped notches of the top plates of the adjacent U-shaped clamping seats; the first bobbin column is vertically arranged on the top plate;
the second bobbin holder is arranged between two adjacent first bobbin holder units; the second yarn bobbin seat comprises a base, a limiting disc and a second yarn bobbin column; the base, the limiting disc and the second yarn barrel column are coaxially arranged; the base is embedded into the U-shaped clamping seats of the adjacent first yarn bobbin seat units along the opening direction of the U-shaped clamping seats of the first yarn bobbin seat units; the limiting discs are embedded between the concave arc-shaped notches of the top plates of the two adjacent U-shaped clamping seats, and the limiting of the limiting discs of the second bobbin seat is realized through the concave arc-shaped notches of the top plates; the second yarn bobbin column is arranged in parallel with the first yarn bobbin column;
the transition support comprises a pair of mutually parallel and independent conveying frame units, the pair of conveying frame units are respectively butted with the end parts of two side edges of the spinning frame mechanism in the length extension direction, the input end of the transition support is butted with the tail of the previous spinning frame mechanism, and the output end of the transition support is butted with the head of the next spinning frame mechanism; the conveying frame unit is provided with a conveying belt which is horizontally conveyed along the extending direction of the conveying frame unit;
the guide baffle is arranged on the conveying frame unit and is positioned at the butt joint of the conveying frame unit and the spinning frame; the guide baffle is horizontally arranged and provided with an arc-shaped guide edge, one end of the guide baffle is fixedly connected to the end part of the conveying frame unit, and the other end of the guide baffle extends to the inner side of the end part of the spinning frame in the length direction, so that arc-shaped guide is realized on a second yarn bobbin base in a yarn bobbin base group on the spinning frame;
the shifting fork structure is arranged on the conveying frame unit and comprises a shifting fork driving cylinder and a shifting fork unit; the shifting fork driving cylinder is horizontally arranged on the side edge of the conveying frame unit, the output end of the shifting fork driving cylinder is connected with the shifting fork unit, the shifting fork unit is driven to stretch and retract along the horizontal direction to enter a yarn bobbin base group on a spinning frame, the second yarn bobbin base embedded between adjacent first yarn bobbin bases is reversed to be pulled out of the spinning frame, and the yarn bobbins are transferred to the conveying frame unit from the spinning frame; or continuously move along the rectangular frame structure track formed by the conveyer belt of the spinning machine.
2. The tandem delivery system for the bobbin bases of the spinning frame as set forth in claim 1, wherein: the connecting rod of the first yarn bobbin base unit is provided with a clamping groove matched with the conveying belt, the connecting rod is provided with a bolt hole communicated with the clamping groove, and the clamping groove on the connecting rod is embedded into the conveying belt and is matched with the bolt hole on the connecting rod through a bolt to realize the fixation of the connecting rod and the conveying belt.
3. The tandem delivery system for the bobbin bases of the spinning frame as set forth in claim 1, wherein: the two side edges of the top plate of the first bobbin seat unit extend outwards to form a first wing plate and a second wing plate with a horizontal height difference, and the first wing plate is positioned below the second wing plate on the horizontal height; the first wing plates of the first yarn bobbin holder units are embedded below the second wing plates of the adjacent first yarn bobbin holder units to realize sequential arrangement.
4. The tandem delivery system for the bobbin bases of the spinning frame as set forth in claim 1, wherein: the lower surface of the top plate of the U-shaped clamping seat is provided with a pressing plate, and the base of the second yarn cylinder seat is located between the bottom end face of the pressing plate and the upper surface of the bottom plate of the U-shaped clamping seat.
5. The tandem delivery system for the bobbin bases of the spinning frame as set forth in claim 1, wherein: and conveying limit baffles are arranged on the side edges of the conveying frame units along the extending direction of the conveying frame units.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021940506 | 2020-09-08 | ||
| CN2020219405068 | 2020-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214168229U true CN214168229U (en) | 2021-09-10 |
Family
ID=77600859
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022669103.0U Withdrawn - After Issue CN214168229U (en) | 2020-09-08 | 2020-11-18 | Spinning frame yarn bobbin base series connection conveying system |
| CN202022663942.1U Withdrawn - After Issue CN214168227U (en) | 2020-09-08 | 2020-11-18 | Spinning frame yarn bobbin base parallel conveying system |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022663942.1U Withdrawn - After Issue CN214168227U (en) | 2020-09-08 | 2020-11-18 | Spinning frame yarn bobbin base parallel conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN214168229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323192A (en) * | 2020-09-08 | 2021-02-05 | 南通金驰机电有限公司 | Spinning frame yarn bobbin base series connection conveying system |
-
2020
- 2020-11-18 CN CN202022669103.0U patent/CN214168229U/en not_active Withdrawn - After Issue
- 2020-11-18 CN CN202022663942.1U patent/CN214168227U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112323192A (en) * | 2020-09-08 | 2021-02-05 | 南通金驰机电有限公司 | Spinning frame yarn bobbin base series connection conveying system |
| CN112323192B (en) * | 2020-09-08 | 2024-05-10 | 南通金驰机电有限公司 | Tandem conveying system for yarn cylinder bases of spinning frames |
Also Published As
| Publication number | Publication date |
|---|---|
| CN214168227U (en) | 2021-09-10 |
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| GR01 | Patent grant | ||
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210910 Effective date of abandoning: 20240510 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20210910 Effective date of abandoning: 20240510 |