CN113695769A - Vacuum packaging machine - Google Patents
Vacuum packaging machine Download PDFInfo
- Publication number
- CN113695769A CN113695769A CN202110776841.1A CN202110776841A CN113695769A CN 113695769 A CN113695769 A CN 113695769A CN 202110776841 A CN202110776841 A CN 202110776841A CN 113695769 A CN113695769 A CN 113695769A
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- China
- Prior art keywords
- plate
- cooling
- welding
- liquid
- packaging machine
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/003—Cooling means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0252—Steering means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Package Closures (AREA)
Abstract
The invention relates to a vacuum packaging machine, which is used for injecting liquid and welding and sealing cooling fins on a material roll (200) and comprises a shell (100), wherein a material discharging mechanism (1) and a material receiving mechanism (8) are arranged at two ends in the shell (100), and the material roll (200) is arranged between the material discharging mechanism (1) and the material receiving mechanism (8); the workbench (3) is arranged in the shell (100), the workbench (3) is positioned under the stroke of the material roll (200), a cooling welding mechanism (5) is arranged above the workbench (3), and a liquid injection mechanism (6) is arranged on one side of the workbench (3); the liquid injection mechanism (6) comprises a liquid injection head (64) which can move back and forth and inject liquid into the liquid injection hole of the radiating fin on the material roll (200). The device can realize automatic liquid injection and welding packaging of the material roll.
Description
Technical Field
The invention relates to a packaging machine, in particular to a vacuum packaging machine.
Background
The radiating fin generally comprises an upper layer and a lower layer, a cavity for placing radiating liquid is arranged between the upper layer and the lower layer, the radiating liquid needs to be injected into the radiating fin for packaging in the specific manufacturing process, and the steps of the current packaged equipment part cannot be automated, so that a novel vacuum packaging machine is provided.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a vacuum packaging machine capable of automatically injecting and packaging a heat radiating fin.
The technical scheme of the invention is as follows:
the vacuum packaging machine is used for injecting liquid and welding and sealing cooling fins on a material roll (200), and is characterized by comprising a shell (100), wherein a discharging mechanism (1) and a material receiving mechanism (8) are arranged at two ends in the shell (100), and the material roll (200) is arranged between the discharging mechanism (1) and the material receiving mechanism (8);
the workbench (3) is arranged in the shell (100), the workbench (3) is positioned under the stroke of the material roll (200), a cooling welding mechanism (5) is arranged above the workbench (3), and a liquid injection mechanism (6) is arranged on one side of the workbench (3);
the liquid injection mechanism (6) comprises a liquid injection head (64) which can move back and forth and inject liquid into the liquid injection hole of the radiating fin on the material roll (200);
the cooling welding mechanism (5) comprises a welding mounting plate (51) fixed to the shell (100), a second driving unit (52) is arranged on the welding mounting plate (51), a second lower pressing plate (53) is arranged at the bottom of the second driving unit (52), the bottom of the second lower pressing plate (53) is elastically connected with a second heat insulation plate (55), a second cooling plate (56) is connected to the bottom of the second heat insulation plate (55), a plurality of welding joints (57) are connected to the end portion of the second lower pressing plate (53), and the welding joints (57) are used for sealing and welding the liquid injection of the cooling fins below the welding joints.
Further, annotate liquid mechanism (6) including water injection casing (61), set up a set of slide rail (62) on water injection casing (61), it is provided with mounting panel (63) to slide on slide rail (62), the array is provided with a plurality of notes liquid head (64) on mounting panel (63), it is located to annotate liquid head (64) connection notes liquid pump (66) on water injection casing (61), still be provided with on water injection casing (61) and be used for the drive the gliding second cylinder (65) of mounting panel (63).
Furthermore, a slidable guide post is arranged between the second lower pressure plate (53) and the second heat insulation plate (55), and a second spring (54) is arranged on the periphery of the guide post.
Furthermore, a clamping mechanism (2) is arranged between the material feeding mechanism (1) and the cooling and welding mechanism (5), the clamping mechanism (2) comprises a clamping mounting plate (21) fixed on the shell (100), a first cylinder (22) is arranged at the upper part of the clamping mounting plate (21), a guide rail (24) is also arranged on the clamping mounting plate (21), a lower pressing block (23) is arranged on the guide rail (24) in a sliding manner, the driving end of the first air cylinder (22) is connected with the lower pressing block (23), the guide rail (24) is also connected with an installation plate of an upper pressure wheel (26) in a sliding way, a first spring (25) is arranged between the installation plate of the upper pressure wheel (26) and the lower pressing block (23), the bottom of the clamping mounting plate (21) is provided with a lower pressing wheel (27), and the material roll (200) is positioned between the upper pressing wheel (26) and the lower pressing wheel (27).
Further, still be provided with cooling body (4) between clamping mechanism (2) and cooling welding mechanism (5), cooling body (4) including fixed to cooling mounting panel (41) on casing (100), be provided with first drive unit (42) on cooling mounting panel (41), the bottom of first drive unit (42) is provided with first holding down plate (43), the bottom of first holding down plate (43) is provided with first insulation board (44), the bottom of first insulation board (44) is provided with and is located first cooling plate (45) of material book (200) top.
Furthermore, the end part of the first heat-preserving plate (44) is also provided with a limit stop (46) for limiting the position of the material roll (200).
Further, it still is provided with between cooling welding mechanism (5) and receiving agencies (8) and is used for removing conveying mechanism (7) of material book (200), conveying mechanism (7) including fixed to sharp module (71) on casing (100), the drive is connected with transport housing (72) on sharp module (71), transport housing (72) upper portion is provided with third drive unit (73), third drive unit (73) bottom is provided with first clamping piece (74), transport housing (72) bottom is provided with second clamping piece (75), third drive unit (73) drive first clamping piece (74) compress tightly down material book (200) extremely on second clamping piece (75).
Furthermore, the first driving unit (42), the second driving unit (52) and the third driving unit (73) are all of screw rod structures driven by motors.
By the scheme, the invention at least has the following advantages:
this device can realize annotating the automation of material book and weld the encapsulation, and the clamp structure of setting can stabilize and roll up the convenient subsequent notes liquid operation and the welding operation of material, and the cooling body of setting can carry out the first time cooling to the material of high temperature book, and the cooling welding mechanism of setting not only can cool down and can also weld and be, and the notes liquid mechanism of setting can pour into the coolant liquid into in the fin of material book, and the conveying mechanism of setting can carry the material pipe of annotating the liquid welding back.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of the construction of the motorized device of the present invention;
FIG. 2 is a first structural view of the present invention with the housing removed;
FIG. 3 is a second schematic view of the present invention with the housing removed;
FIG. 4 is a third schematic view of the present invention with the housing removed;
FIG. 5 is a schematic structural view of the motorized clamping mechanism of the present invention;
FIG. 6 is a schematic view of the cooling mechanism of the present invention;
FIG. 7 is a schematic structural view of the cooling welding mechanism of the present invention;
FIG. 8 is a schematic structural view of the priming mechanism of the present invention;
FIG. 9 is a schematic view of the construction of the transport mechanism of the present invention;
in the figure:
100-a housing;
200-material roll;
1-a discharging mechanism;
2-a clamping mechanism; 21-clamping the mounting plate; 22-a first cylinder; 23-briquetting; 24-a guide rail; 25-a first spring; 26-an upper pinch roller; 27-lower pinch roller;
3-a workbench;
4-a cooling mechanism; 41-cooling the mounting plate; 42-a first drive unit; 43-a first lower platen; 44-a first thermal insulation plate; 45-a first cooling plate; 46-limit gear;
5-cooling the welding mechanism; 51-welding a mounting plate; 52-a second drive unit; 53-a second lower platen; 54-a second spring; 55-a second insulation board; 56-a second cooling plate; 57-welding head;
6-liquid injection mechanism; 61-water injection shell; 62-a slide rail; 63-mounting a plate; 64-liquid injection head; 65-a second cylinder; 66-liquid injection pump;
7-a conveying mechanism; 71-a linear module; 72-a transport housing; 73-a third drive unit; 74-a first clip; 75-a second clip; 8-a material receiving mechanism.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1 to 9, a vacuum packaging machine according to a preferred embodiment of the present invention is used for filling liquid and welding and sealing a heat sink on a material roll 200, and is characterized by including a housing 100, wherein a material feeding mechanism 1 and a material receiving mechanism 8 are disposed at two ends in the housing 100, and the material roll 200 is disposed between the material feeding mechanism 1 and the material receiving mechanism 8; the feeding mechanism 1 and the receiving mechanism 8 can be powered devices or unpowered devices.
The workbench 3 is arranged in the shell 100, the workbench 3 is positioned right below the stroke of the material roll 200, the cooling and welding mechanism 5 is arranged above the workbench 3, and the liquid injection mechanism 6 is arranged on one side of the workbench 3;
the liquid injection mechanism 6 comprises a liquid injection head 64 which can move back and forth and inject liquid into the liquid injection holes of the radiating fins on the material roll 200, and the liquid injection head 64 can inject liquid into the radiating fins on the material roll 200.
The cooling welding mechanism 5 comprises a welding mounting plate 51 fixed to the casing 100, a second driving unit 52 is arranged on the welding mounting plate 51, a second lower pressing plate 53 is arranged at the bottom of the second driving unit 52, a second insulation board 55 is elastically connected to the bottom of the second lower pressing plate 53, a second cooling plate 56 is connected to the bottom of the second insulation board 55, a plurality of welding joints 57 are connected to the end portion of the second lower pressing plate 53, and the welding joints 57 are used for sealing and welding the liquid injection of the radiating fins located below the welding joints 57.
The liquid injection mechanism 6 comprises a water injection casing 61, a set of slide rails 62 arranged on the water injection casing 61, a mounting plate 63 is slidably arranged on the slide rails 62, a plurality of liquid injection heads 64 are arranged on the mounting plate 63 in an array, the liquid injection heads 64 are connected to a liquid injection pump 66 positioned on the water injection casing 61, and a second air cylinder 65 for driving the mounting plate 63 to slide is further arranged on the water injection casing 61.
A slidable guide post is arranged between the second lower pressure plate 53 and the second insulation plate 55, and a second spring 54 is arranged on the periphery of the guide post.
Still be provided with clamping mechanism 2 between drop feed mechanism 1 and the cooling welding mechanism 5, clamping mechanism 2 has included and has been fixed to the tight mounting panel 21 of clamp on the casing 100, tight mounting panel 21 upper portion of clamp is provided with first cylinder 22, still be provided with guide rail 24 on the tight mounting panel 21 of clamp, it is provided with briquetting 23 down to slide on the guide rail 24, the drive end of first cylinder 22 is connected briquetting 23 down, guide rail 24 still has the mounting panel of last pinch roller 26 of sliding connection, the mounting panel of going up pinch roller 26 with be provided with first spring 25 down between briquetting 23, the bottom of the tight mounting panel 21 of clamp is provided with pinch roller 27 down, material book 200 is located between last pinch roller 26 and the pinch roller 27 down.
A cooling mechanism 4 is further disposed between the clamping mechanism 2 and the cooling welding mechanism 5, the cooling mechanism 4 includes a cooling mounting plate 41 fixed to the housing 100, a first driving unit 42 is disposed on the cooling mounting plate 41, a first lower pressing plate 43 is disposed at the bottom of the first driving unit 42, a first heat insulation plate 44 is disposed at the bottom of the first lower pressing plate 43, and a first cooling plate 45 located above the material roll 200 is disposed at the bottom of the first heat insulation plate 44.
The end of the first heat-preserving plate 44 is further provided with a limiting stop 46 for limiting the position of the material roll 200, and the limiting stop 46 is cylindrical and can roll.
A conveying mechanism 7 for moving the material roll 200 is further arranged between the cooling welding mechanism 5 and the material receiving mechanism 8, the conveying mechanism 7 comprises a straight line module 71 fixed on the casing 100, a conveying casing 72 is connected to the straight line module 71 in a driving manner, a third driving unit 73 is arranged on the upper portion of the conveying casing 72, a first clamping piece 74 is arranged at the bottom of the third driving unit 73, a second clamping piece 75 is arranged at the bottom of the conveying casing 72, and the third driving unit 73 drives the first clamping piece 74 to downwards press the material roll 200 onto the second clamping piece 75.
The first, second and third driving units 42, 52, 73 are all motor-driven screw rod structures, forming a power unit that can be driven in the vertical direction.
The invention has at least the following advantages:
this device can realize annotating the automation of material book and weld the encapsulation, and the clamp structure of setting can stabilize and roll up the convenient subsequent notes liquid operation and the welding operation of material, and the cooling body of setting can carry out the first time cooling to the material of high temperature book, and the cooling welding mechanism of setting not only can cool down and can also weld and be, and the notes liquid mechanism of setting can pour into the coolant liquid into in the fin of material book, and the conveying mechanism of setting can carry the material pipe of annotating the liquid welding back.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The vacuum packaging machine is used for injecting liquid and welding and sealing cooling fins on a material roll (200), and is characterized by comprising a shell (100), wherein a discharging mechanism (1) and a material receiving mechanism (8) are arranged at two ends in the shell (100), and the material roll (200) is arranged between the discharging mechanism (1) and the material receiving mechanism (8);
the workbench (3) is arranged in the shell (100), the workbench (3) is positioned under the stroke of the material roll (200), a cooling welding mechanism (5) is arranged above the workbench (3), and a liquid injection mechanism (6) is arranged on one side of the workbench (3);
the liquid injection mechanism (6) comprises a liquid injection head (64) which can move back and forth and inject liquid into the liquid injection hole of the radiating fin on the material roll (200);
the cooling welding mechanism (5) comprises a welding mounting plate (51) fixed to the shell (100), a second driving unit (52) is arranged on the welding mounting plate (51), a second lower pressing plate (53) is arranged at the bottom of the second driving unit (52), the bottom of the second lower pressing plate (53) is elastically connected with a second heat insulation plate (55), a second cooling plate (56) is connected to the bottom of the second heat insulation plate (55), a plurality of welding joints (57) are connected to the end portion of the second lower pressing plate (53), and the welding joints (57) are used for sealing and welding the liquid injection of the cooling fins below the welding joints.
2. The vacuum packaging machine of claim 1, wherein: annotate liquid mechanism (6) including water injection casing (61), set up a set of slide rail (62) on water injection casing (61), it is provided with mounting panel (63) to slide on slide rail (62), the array is provided with a plurality of notes liquid head (64) on mounting panel (63), it is located to annotate liquid head (64) connection liquid pump (66) on water injection casing (61), still be provided with on water injection casing (61) and be used for the drive the gliding second cylinder (65) of mounting panel (63).
3. The vacuum packaging machine of claim 2, wherein: a slidable guide post is arranged between the second lower pressing plate (53) and the second heat insulation plate (55), and a second spring (54) is arranged on the periphery of the guide post.
4. The vacuum packaging machine according to claim 3, characterized in that: a clamping mechanism (2) is also arranged between the discharging mechanism (1) and the cooling and welding mechanism (5), the clamping mechanism (2) comprises a clamping mounting plate (21) fixed on the shell (100), a first cylinder (22) is arranged at the upper part of the clamping mounting plate (21), a guide rail (24) is also arranged on the clamping mounting plate (21), a lower pressing block (23) is arranged on the guide rail (24) in a sliding manner, the driving end of the first air cylinder (22) is connected with the lower pressing block (23), the guide rail (24) is also connected with an installation plate of an upper pressure wheel (26) in a sliding way, a first spring (25) is arranged between the installation plate of the upper pressure wheel (26) and the lower pressing block (23), the bottom of the clamping mounting plate (21) is provided with a lower pressing wheel (27), and the material roll (200) is positioned between the upper pressing wheel (26) and the lower pressing wheel (27).
5. The vacuum packaging machine of claim 4, wherein: still be provided with cooling body (4) between clamping mechanism (2) and cooling welding mechanism (5), cooling body (4) have included fixed cooling mounting panel (41) on casing (100), be provided with first drive unit (42) on cooling mounting panel (41), the bottom of first drive unit (42) is provided with first holding down plate (43), the bottom of first holding down plate (43) is provided with first insulation board (44), the bottom of first insulation board (44) is provided with and is located first cooling plate (45) of material book (200) top.
6. The vacuum packaging machine of claim 5, wherein: the end part of the first heat-preserving plate (44) is also provided with a limit stop (46) for limiting the position of the material roll (200).
7. The vacuum packaging machine according to claim 6, characterized in that: set up between cooling welding mechanism (5) and receiving agencies (8) and still be provided with and be used for the removal conveying mechanism (7) of material book (200), conveying mechanism (7) including fixed to sharp module (71) on casing (100), the drive is connected with transport casing (72) on sharp module (71), it is provided with third drive unit (73) to carry casing (72) upper portion, third drive unit (73) bottom is provided with first clamping piece (74), it is provided with second clamping piece (75) to carry casing (72) bottom, third drive unit (73) drive first clamping piece (74) compress tightly downwards material book (200) arrives on second clamping piece (75).
8. The vacuum packaging machine according to claim 7, characterized in that: the first driving unit (42), the second driving unit (52) and the third driving unit (73) are all of screw rod structures driven by motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110776841.1A CN113695769B (en) | 2021-07-09 | 2021-07-09 | Vacuum packaging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110776841.1A CN113695769B (en) | 2021-07-09 | 2021-07-09 | Vacuum packaging machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113695769A true CN113695769A (en) | 2021-11-26 |
| CN113695769B CN113695769B (en) | 2023-09-22 |
Family
ID=78648354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110776841.1A Active CN113695769B (en) | 2021-07-09 | 2021-07-09 | Vacuum packaging machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113695769B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3763681A (en) * | 1971-05-25 | 1973-10-09 | W Flintoft | Tube formation and products formed thereby |
| US20070023488A1 (en) * | 2005-07-26 | 2007-02-01 | Delphi Technologies, Inc. | Method of making an electronic assembly |
| CN211316663U (en) * | 2019-12-30 | 2020-08-21 | 东莞市中电爱华电子有限公司 | Cooling fin refrigerant filling device |
| CN211662675U (en) * | 2020-01-08 | 2020-10-13 | 深圳市祥昀机械设备有限公司 | Carrier band forming machine |
| CN112033199A (en) * | 2020-09-04 | 2020-12-04 | 佛山市优霸机械设备有限公司 | Vacuum liquid injection method and device for copper pipe radiating fin |
| CN112078908A (en) * | 2020-07-23 | 2020-12-15 | 浙江小宇科技股份有限公司 | Filling machine |
| CN112404725A (en) * | 2020-12-01 | 2021-02-26 | 武汉逸飞激光股份有限公司 | Tab welding device and method |
| CN112901619A (en) * | 2021-01-18 | 2021-06-04 | 王国强 | Adhesive tape sticking mechanism for temporarily fixing automobile windshield glass |
-
2021
- 2021-07-09 CN CN202110776841.1A patent/CN113695769B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3763681A (en) * | 1971-05-25 | 1973-10-09 | W Flintoft | Tube formation and products formed thereby |
| US20070023488A1 (en) * | 2005-07-26 | 2007-02-01 | Delphi Technologies, Inc. | Method of making an electronic assembly |
| CN211316663U (en) * | 2019-12-30 | 2020-08-21 | 东莞市中电爱华电子有限公司 | Cooling fin refrigerant filling device |
| CN211662675U (en) * | 2020-01-08 | 2020-10-13 | 深圳市祥昀机械设备有限公司 | Carrier band forming machine |
| CN112078908A (en) * | 2020-07-23 | 2020-12-15 | 浙江小宇科技股份有限公司 | Filling machine |
| CN112033199A (en) * | 2020-09-04 | 2020-12-04 | 佛山市优霸机械设备有限公司 | Vacuum liquid injection method and device for copper pipe radiating fin |
| CN112404725A (en) * | 2020-12-01 | 2021-02-26 | 武汉逸飞激光股份有限公司 | Tab welding device and method |
| CN112901619A (en) * | 2021-01-18 | 2021-06-04 | 王国强 | Adhesive tape sticking mechanism for temporarily fixing automobile windshield glass |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113695769B (en) | 2023-09-22 |
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