CN218193522U - Cylinder lithium cell group welding machine - Google Patents
Cylinder lithium cell group welding machine Download PDFInfo
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- CN218193522U CN218193522U CN202222536881.1U CN202222536881U CN218193522U CN 218193522 U CN218193522 U CN 218193522U CN 202222536881 U CN202222536881 U CN 202222536881U CN 218193522 U CN218193522 U CN 218193522U
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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
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Abstract
The utility model discloses a cylinder lithium cell group welding machine, welding machine are provided with material loading station and welding station, and welding station is located the low reaches of material loading station, and material loading station department is provided with loading attachment, and welding station department is provided with welding set. The feeding device comprises a clamping mechanism and a movable power assembly, wherein the clamping mechanism is used for clamping the cylindrical lithium battery pack and can move up and down, left and right under the action of the movable power assembly; the welding device comprises a turnover mechanism for turning over the cylindrical lithium battery pack, and the clamping mechanism can convey the cylindrical lithium battery pack to the turnover mechanism; the welding device further comprises a welding mechanism used for welding the front side and the back side of the cylindrical lithium battery pack, and the turnover mechanism bears the cylindrical lithium battery pack and can move between the two welding mechanisms. The utility model discloses a circular lithium cell group welding machine can realize improving production efficiency to the automatic weld of cylinder lithium cell group, and reduction in production cost just can guarantee the product yield.
Description
Technical Field
The utility model relates to a cylinder lithium cell group production facility technical field especially relates to a cylinder lithium cell group welding machine.
Background
With the development of the times, the application range of the power battery is wider and wider. As one of power batteries, cylindrical lithium battery packs are widely used in the new energy industry. The welding process of the cylindrical lithium battery pack is an important ring in the machining process of the cylindrical lithium battery pack, the front side and the back side of the cylindrical lithium battery pack are welded, manual operation is adopted for welding at present in the industry, the operation process is complex, the production efficiency is low, the cost is high, and the product yield cannot be guaranteed.
Disclosure of Invention
In order to overcome the defects, the utility model provides a technical problem who solves provides a circular lithium cell group welding machine, in organizing the course of working to the cylinder lithium cell, the utility model discloses a circular lithium cell group welding machine can realize improving production efficiency to the automatic weld of cylinder lithium cell group, and reduction in production cost, and can guarantee the product yield.
In order to solve the technical problem, the utility model discloses a cylindrical lithium battery pack welding machine, which comprises a frame, wherein a feeding device and a welding device are arranged on the frame; the cylindrical lithium battery pack welding machine is provided with a feeding station and a welding station, the welding station is positioned at the downstream of the feeding station, the feeding device is arranged at the feeding station, and the welding device is arranged at the welding station; the feeding device comprises a clamping mechanism and a movable power assembly, wherein the clamping mechanism is used for clamping the cylindrical lithium battery pack, and the clamping mechanism can move up and down and left and right under the action of the movable power assembly; the welding device comprises a turnover mechanism for turning over the cylindrical lithium battery pack, and the clamping mechanism can convey the cylindrical lithium battery pack to the turnover mechanism; the welding device further comprises two oppositely arranged welding mechanisms for welding the front side and the back side of the cylindrical lithium battery pack, and the turnover mechanism bears the cylindrical lithium battery pack and can move between the two welding mechanisms.
Further, press from both sides and get the mechanism and include clamping jaw cylinder one, the clamping jaw of clamping jaw cylinder one can press from both sides and get cylinder lithium cell group.
Furthermore, the feeding device comprises a feeding support arranged on the rack, the mobile power assembly comprises a mounting rack arranged on the feeding support, a vertical motor is arranged at the top of the mounting rack, the clamping jaw cylinder is connected to the action end of the vertical motor, and the clamping jaw cylinder can move up and down under the action of the vertical motor; the top of mounting bracket still is provided with sharp module one and slide rail, sharp module one with the slide rail sets up relatively, mounting bracket horizontal sliding connection in sharp module one with the slide rail.
Further, the feeding device further comprises a pressing plate mechanism, and the pressing plate mechanism is positioned at the downstream of the clamping mechanism; the pressing plate mechanism comprises a vertical cylinder arranged on the mounting frame, a clamping jaw cylinder II is arranged at the action end of the vertical cylinder, the clamping jaw cylinder II can move up and down under the action of the vertical cylinder, a pair of clamping plates capable of moving oppositely/oppositely is arranged on the clamping jaw cylinder II, two clamping columns are arranged on the lower surface of each clamping plate, a small-diameter section and a limiting section are arranged on each clamping column, the limiting section is located below the small-diameter section, and the outer diameter of the limiting section is larger than that of the small-diameter section; the clamp plate mechanism still includes the clamp plate, four angles of clamp plate are provided with the shoulder hole respectively, work as the centre gripping post centre gripping during the clamp plate, the centre gripping post spacing section with the path section all inserts the shoulder hole, spacing section is used for preventing the clamp plate drops.
Furthermore, a second linear module is arranged on the rack, and the turnover mechanism is arranged on the second linear module in a left-right sliding manner.
Further, welding set still includes the mounting panel, the mounting panel set up in the frame, sharp module two set up in on the mounting panel.
Furthermore, tilting mechanism include the horizontal slip set up in tilting mechanism support on the straight line module two, be provided with the tilt cylinder on the tilting mechanism support, the action end of tilt cylinder is provided with the rack, the rack is used for placing cylinder lithium cell group, be provided with on the rack be used for with the tight rotatory die clamping cylinder of cylinder lithium cell group clamp.
Further, the two welding mechanisms which are arranged oppositely are a first welding mechanism and a second welding mechanism respectively; the first welding mechanism and the second welding mechanism are arranged on a welding mechanism support, and the welding mechanism support is arranged on the rack in a vertically moving mode.
Further, the welding mechanism comprises a first electric resistance welding machine; the welding mechanism comprises a welding machine II.
Further, the resistance welding machine I is arranged on the welding mechanism bracket in a front-back sliding mode; and the second resistance welding machine is arranged on the welding mechanism bracket in a front-back sliding manner.
After the technical scheme is adopted, the beneficial effects of the utility model are that, cylinder lithium cell group welding machine includes the frame, is provided with loading attachment and welding set in the frame. The cylindrical lithium battery pack welding machine is provided with a feeding station and a welding station, the welding station is located at the downstream of the feeding station, the feeding device is arranged at the feeding station, and the welding device is arranged at the welding station. The feeding device comprises a clamping mechanism and a movable power assembly, wherein the clamping mechanism is used for clamping the cylindrical lithium battery pack and can move up and down, left and right under the action of the movable power assembly; the welding device comprises a turnover mechanism for turning over the cylindrical lithium battery pack, and the clamping mechanism can convey the cylindrical lithium battery pack to the turnover mechanism; the welding device further comprises two oppositely arranged welding mechanisms for welding the front side and the back side of the cylindrical lithium battery pack, and the turnover mechanism bears the cylindrical lithium battery pack and can move between the two welding mechanisms. The utility model discloses a circular lithium cell group welding machine can realize improving production efficiency to the automatic weld of cylinder lithium cell group, reduction in production cost, and can guarantee the product yield.
Drawings
FIG. 1 is a perspective view of a cylindrical lithium battery welding machine of the present invention;
FIG. 2 is a perspective view of the cylindrical lithium battery welder of FIG. 1 (with the box plate removed);
FIG. 3 is an enlarged perspective view of the loading device of FIG. 2;
FIG. 4 is an enlarged perspective view of the welding device of FIG. 2;
FIG. 5 is an enlarged schematic view of the platen mechanism of FIG. 2;
FIG. 6 is an enlarged view of area A of FIG. 5;
FIG. 7 is an enlarged perspective view of the canting mechanism of FIG. 4;
fig. 8 is an enlarged perspective view of the lithium battery pack of fig. 2;
in the figure: 1. a boxboard; 2. a feeding device; 21. a feeding support; 22. a first linear module; 23. a slide rail; 24. a mounting frame; 25. a vertical motor; 26. a clamping jaw cylinder I; 261. a clamping jaw; 27. a vertical cylinder; 28. a clamping jaw cylinder II; 281. a clamping plate; 282. a clamping post; 2821. a small diameter section; 2822. a limiting section; 3. a cylindrical lithium battery pack; 31. a first cover plate; 32. a second cover plate; 33. an electric core; 4. pressing a plate; 5. a welding device; 51. mounting a plate; 52. resistance welding machine I; 53. a resistance welding machine II; 54. the welding mechanism vertically adjusts the power part; 55. welding a mechanism bracket; 56. a turnover mechanism; 561. placing a rack; 562. a cylinder is swung; 563. rotating the clamping cylinder; 564. a turnover mechanism bracket; 57. a second linear module; 6. and a frame.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Shown together with a graph 1 and a graph 2, the cylindrical lithium battery pack welding machine comprises a rack 6, wherein a box board 1 is installed on the rack 6, and a feeding device 2 and a welding device 5 are arranged on the rack 6. The cylinder lithium cell group welding machine is provided with material loading station and welding station, and welding station is located the low reaches of material loading station, and loading attachment 2 sets up in material loading station department, and welding set 5 sets up in welding station department.
The feeding device 2 comprises a clamping mechanism and a movable power assembly, wherein the clamping mechanism is used for clamping the cylindrical lithium battery pack 3, and the clamping mechanism can move up and down, left and right under the action of the movable power assembly.
The welding device 5 includes a turning mechanism 56 for turning the cylindrical lithium battery pack 3, and the clamping mechanism can convey the cylindrical lithium battery pack 3 to the turning mechanism 56. The welding device 5 further comprises two oppositely arranged welding mechanisms for welding the front and back surfaces of the cylindrical lithium battery pack 3, and the turnover mechanism 56 bears the cylindrical lithium battery pack 3 and can move between the two welding mechanisms.
As shown together with fig. 2 and fig. 3, the clamping mechanism includes a first clamping jaw cylinder 26, and a clamping jaw 261 of the first clamping jaw cylinder 26 can clamp the cylindrical lithium battery pack 3. The clamping jaws 261 of the clamping jaw cylinder one 26 are common knowledge for those skilled in the art, and will not be described herein.
The feeding device 2 comprises a feeding support 21 arranged on the rack 6, the mobile power assembly comprises a mounting frame 24 arranged on the feeding support 21, a vertical motor 25 is arranged at the top of the mounting frame 24, a first clamping jaw cylinder 26 is connected to the action end of the vertical motor 25, and the first clamping jaw cylinder 26 can move up and down under the action of the vertical motor 25; the top of the mounting frame 24 is also horizontally provided with a first linear module 22 and a sliding rail 23, the first linear module 22 is arranged opposite to the sliding rail 23, and the mounting frame 24 is connected to the first linear module 22 and the sliding rail 23 in a left-right sliding manner.
As shown together with fig. 2, 3, 5, and 6, the feeding device 2 further includes a platen mechanism, which is preferably located downstream of the gripping mechanism. The pressing plate mechanism comprises a vertical cylinder 27 arranged on the mounting frame 24, a clamping jaw cylinder II 28 is arranged at the action end of the vertical cylinder 27, and the clamping jaw cylinder II 28 can move up and down under the action of the vertical cylinder 27. The clamping jaw cylinder II 28 is provided with a pair of clamping plates 281 capable of moving oppositely/oppositely, the lower surface of each clamping plate 281 is provided with two clamping columns 282, the two clamping plates 281 are provided with four clamping columns 282, the four clamping columns 282 are provided with small-diameter sections 2821 and limiting sections 2822, the limiting sections 2822 are located below the small-diameter sections 2821, the limiting sections 2822 are preferably located at the lower end portions of the clamping columns 282, and the outer diameter of the limiting sections 2822 is larger than that of the small-diameter sections 2821. The clamp plate mechanism still includes clamp plate 4, and four angles of clamp plate 4 are provided with the shoulder hole respectively, and when centre gripping post 282 centre gripping clamp plate 4, the shoulder hole is all inserted with path section 2821 to the spacing section 2822 of centre gripping post 282, and spacing section 2822 is used for preventing that clamp plate 4 from droing.
As shown together with fig. 2 and 4, the second linear module 57 is disposed on the frame 6, and the turnover mechanism 56 is slidably disposed on the second linear module 57.
Preferably, the welding device 5 further comprises a mounting plate 51, the mounting plate 51 is arranged on the frame 6, and the second linear module 57 is arranged on the mounting plate 51.
Shown jointly with fig. 2, fig. 4 and fig. 7, the turnover mechanism 56 includes a turnover mechanism support 564 arranged on the two straight line modules 57 in a left-right sliding manner, a swing cylinder 562 is arranged on the turnover mechanism support 564, a placing frame 561 is arranged at an action end of the swing cylinder 562, the placing frame 561 is used for placing the cylindrical lithium battery pack 3, and a rotary clamping cylinder 563 used for clamping the cylindrical lithium battery pack 3 is arranged on the placing frame 561. The rotary clamping cylinders 563 are preferably provided in four, and the four rotary clamping cylinders 563 are respectively located at four corners of the holding frame 561.
The two oppositely arranged welding mechanisms are respectively a first welding mechanism and a second welding mechanism. The first welding mechanism and the second welding mechanism are arranged on a welding mechanism support 55, and the welding mechanism support 55 is vertically arranged on the rack 6 through a welding mechanism vertical adjusting power piece 54. The welding mechanism vertical adjustment power member 54 is a conventional power member, such as an air cylinder, an electric cylinder, a screw elevator, etc., and will not be described herein.
Preferably, the welding mechanism includes a resistance welding machine 52; the welding mechanism comprises a welding machine II 53.
Further preferably, the first resistance welding machine 52 is mounted on the welding mechanism bracket 55 in a sliding manner in the front and back direction under the action of the first front and back power members, the fixed end of the first front and back power members is fixedly arranged on the welding mechanism bracket 55, and the first resistance welding machine 52 is arranged on the acting end of the first front and back power members. The second resistance welding machine 53 is arranged on the welding mechanism support 55 in a front-back sliding mode under the action of the second front-back power piece, the fixed end of the second front-back power piece is fixedly arranged on the welding mechanism support 55, and the second resistance welding machine 53 is arranged at the action end of the second front-back power piece. The front and rear power parts I and the front and rear power parts II both adopt conventional power parts such as electric cylinders, air cylinders and the like, and are not described in detail herein.
With reference to fig. 8, the cylindrical lithium battery pack 3 to be welded of the cylindrical lithium battery pack welding machine of the present invention includes a first cover plate 31 and a second cover plate 32, and a battery core 33 is disposed between the first cover plate 31 and the second cover plate 32. The structure of the cylindrical lithium battery 3 is common knowledge to those skilled in the art and will not be described herein.
The following is to use the utility model discloses a cylinder lithium cell group welding machine carries out welding process to cylinder lithium cell group 3 and describes as follows:
carry the cylindrical lithium battery group 3 that needs the welding through conventional conveyor such as conveyer belt (not shown in the figure) and carry the material loading station, clamping jaw cylinder 26 of the mechanism is got to the clamp of material loading unit 2 moves down under the effect of vertical motor 25, clamping jaw 261 of clamping jaw cylinder 26 presss from both sides and gets cylindrical lithium battery group 3, press from both sides and accomplish the back, clamping jaw cylinder 26 moves up under the effect of vertical motor 25, then, mounting bracket 24 moves along straight line module 22 and slide rail 23, clamping jaw cylinder 26 also moves thereupon, clamping jaw cylinder 26 moves to welding set 5's tilting mechanism 56 department, clamping jaw cylinder 26 moves down under the effect of vertical motor 25, and place cylindrical lithium battery group 3 on tilting mechanism 56's rack 561.
Then, mounting bracket 24 retreats along sharp module 22 and slide rail 23, until the clamp plate mechanism is located tilting mechanism 56's top, two 28 of clamping jaw cylinders move down under vertical cylinder 27's effect, under two 28 of clamping jaw cylinders, two 281 motions of moving back to the back of clamping jaw, four centre gripping posts 282 and 4 separations of clamp plate, the top at the first apron 31 of cylinder lithium cell group 3 is placed to clamp plate 4, be provided with a plurality of through-holes as required on the clamp plate 4, do not influence the welding of cylinder lithium cell group 3, after placing the completion, two 28 of clamping jaw cylinders move up under vertical cylinder 27's effect.
The four rotary clamping cylinders 563 are actuated and all rotate 90 degrees to press four corners of the pressing plate 4. The turnover mechanism 56 moves along the second linear module 57 to a position between the first resistance welding machine 52 and the second resistance welding machine 53, and then the placing frame 561 rotates by 90 degrees under the action of the swing cylinder 562, so that the first cover plate 31 faces the first resistance welding machine 52, and the second cover plate 32 faces the second resistance welding machine 53.
The first resistance welding machine 52 and the second resistance welding machine 53 can move in the up-down direction, the front-back direction, and the turnover mechanism 56 can move in the left-right direction, and relevant displacement adjustment is correspondingly performed according to the requirement of the welding position until the cylindrical lithium battery pack 3 is completely welded.
The first resistance welding machine 52 and the second resistance welding machine 53 can weld the front side and the back side of the cylindrical lithium battery pack 3 at the same time.
The welding process of the first resistance welding machine 52 and the second resistance welding machine 53 to the cylindrical lithium battery pack 3 is common knowledge for those skilled in the art, and will not be described herein.
After the welding is accomplished, under the effect of tilt cylinder 562 of tilting mechanism 56, the rack 561 counter-rotation resets after 90 °, and four rotary clamping cylinders 563 rotate and reset after 90 °, and clamp plate 4 is got to two 28 clamp of clamping jaw cylinder, and the cylindrical lithium battery group 3 that adopts means such as conventional manipulators (not shown in the figure) to accomplish the welding is taken away from rack 561.
The clamping jaw cylinder I26 returns, and the process is repeated, and the next cylindrical lithium battery pack 3 to be welded is clamped.
The technical features (such as the linear module I, the linear module II, the clamping jaw air cylinder I, the clamping jaw air cylinder II, the first cover plate, the second cover plate, the welding machine mechanism I, the welding mechanism II, the resistance welding machine I, the resistance welding machine II and the like) related in the specification with serial number naming are only used for distinguishing the technical features and do not represent the position relation, the installation sequence, the working sequence and the like among the technical features.
In the description of the present specification, it is to be understood that the orientations or positional relationships described in the "vertical motor", "vertical cylinder", "welding mechanism vertical adjustment power member", "up and down", "left and right", "front and back", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative work from the above conception, which falls within the protection scope of the present invention.
Claims (10)
1. A cylindrical lithium battery pack welding machine comprises a rack and is characterized in that a feeding device and a welding device are arranged on the rack; the cylindrical lithium battery pack welding machine is provided with a feeding station and a welding station, the welding station is positioned at the downstream of the feeding station, the feeding device is arranged at the feeding station, and the welding device is arranged at the welding station; the feeding device comprises a clamping mechanism and a movable power assembly, wherein the clamping mechanism is used for clamping the cylindrical lithium battery pack, and the clamping mechanism can move up and down and left and right under the action of the movable power assembly;
the welding device comprises a turnover mechanism for turning over the cylindrical lithium battery pack, and the clamping mechanism can convey the cylindrical lithium battery pack to the turnover mechanism; the welding device further comprises two oppositely arranged welding mechanisms for welding the front side and the back side of the cylindrical lithium battery pack, and the turnover mechanism bears the cylindrical lithium battery pack and can move between the two welding mechanisms.
2. The cylindrical lithium battery pack welding machine according to claim 1, wherein the clamping mechanism comprises a first clamping jaw cylinder, and clamping jaws of the first clamping jaw cylinder can clamp the cylindrical lithium battery pack.
3. The cylindrical lithium battery pack welding machine according to claim 2, wherein the feeding device comprises a feeding support arranged on the rack, the mobile power assembly comprises a mounting rack arranged on the feeding support, a vertical motor is arranged at the top of the mounting rack, the clamping jaw cylinder I is connected to an action end of the vertical motor, and the clamping jaw cylinder I can move up and down under the action of the vertical motor; the top of mounting bracket still is provided with sharp module one and slide rail, sharp module one with the slide rail sets up relatively, mounting bracket horizontal sliding connection in sharp module one with the slide rail.
4. The cylindrical lithium battery pack welding machine according to claim 3, wherein the feeding device further comprises a pressing plate mechanism, and the pressing plate mechanism is located downstream of the clamping mechanism; the pressing plate mechanism comprises a vertical cylinder arranged on the mounting frame, a clamping jaw cylinder II is arranged at the action end of the vertical cylinder, the clamping jaw cylinder II can move up and down under the action of the vertical cylinder, a pair of clamping plates capable of moving oppositely/oppositely is arranged on the clamping jaw cylinder II, two clamping columns are arranged on the lower surface of each clamping plate, a small-diameter section and a limiting section are arranged on each clamping column, the limiting section is located below the small-diameter section, and the outer diameter of the limiting section is larger than that of the small-diameter section; the clamp plate mechanism still includes the clamp plate, four angles of clamp plate are provided with the shoulder hole respectively, work as the centre gripping post centre gripping during the clamp plate, the centre gripping post spacing section with the path section all inserts the shoulder hole, spacing section is used for preventing the clamp plate drops.
5. The cylindrical lithium battery pack welding machine according to claim 1, wherein a second linear module is arranged on the machine frame, and the turnover mechanism is arranged on the second linear module in a left-right sliding mode.
6. The cylindrical lithium battery pack welding machine according to claim 5, wherein the welding device further comprises a mounting plate, the mounting plate is arranged on the rack, and the linear module II is arranged on the mounting plate.
7. The cylindrical lithium battery pack welding machine according to claim 6, wherein the turnover mechanism comprises a turnover mechanism support arranged on the second linear module in a left-right sliding manner, a swing cylinder is arranged on the turnover mechanism support, a placing frame is arranged at an action end of the swing cylinder and used for placing the cylindrical lithium battery pack, and a rotary clamping cylinder used for clamping the cylindrical lithium battery pack is arranged on the placing frame.
8. The cylindrical lithium battery pack welding machine according to claim 1, wherein the two oppositely arranged welding mechanisms are a first welding mechanism and a second welding mechanism respectively; the first welding mechanism and the second welding mechanism are arranged on a welding mechanism support, and the welding mechanism support is arranged on the rack in a vertically moving mode.
9. The cylindrical lithium battery pack welder according to claim 8, wherein the welding mechanism comprises a first resistance welder; the welding mechanism comprises a resistance welding machine II.
10. The cylindrical lithium battery pack welding machine according to claim 9, wherein the resistance welding machine is slidably mounted to the welding mechanism bracket back and forth; and the second resistance welding machine is arranged on the welding mechanism bracket in a front-back sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222536881.1U CN218193522U (en) | 2022-09-24 | 2022-09-24 | Cylinder lithium cell group welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222536881.1U CN218193522U (en) | 2022-09-24 | 2022-09-24 | Cylinder lithium cell group welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218193522U true CN218193522U (en) | 2023-01-03 |
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ID=84637910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222536881.1U Active CN218193522U (en) | 2022-09-24 | 2022-09-24 | Cylinder lithium cell group welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218193522U (en) |
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2022
- 2022-09-24 CN CN202222536881.1U patent/CN218193522U/en active Active
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