CN219520387U - Automatic grabbing device is used in bearing ring hot forging - Google Patents
Automatic grabbing device is used in bearing ring hot forging Download PDFInfo
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- CN219520387U CN219520387U CN202223055167.7U CN202223055167U CN219520387U CN 219520387 U CN219520387 U CN 219520387U CN 202223055167 U CN202223055167 U CN 202223055167U CN 219520387 U CN219520387 U CN 219520387U
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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
- 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
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to the technical field of bearing ring hot forging, in particular to an automatic grabbing device for bearing ring hot forging, which comprises a mounting seat, wherein an upright post is fixed at the top of the mounting seat, a supporting plate is fixedly connected to the upper part of the left side of the mounting seat, a supporting rod is fixed at the top of the upper end of the supporting plate, a sliding plate is sleeved on the outer wall of the supporting rod, a control plate is arranged at the upper end of the right side of the mounting seat, a rotating structure comprises a rotating seat, the rotating seat is arranged on the left side of the sliding plate, a rotating rod is fixed on the right side surface of the rotating seat, the rotating rod is inserted into the left end of the sliding plate, the right end of the rotating rod is movably connected into a rotating motor, and the rotating motor is fixedly arranged in the left end of the sliding plate. The utility model is convenient for automatically grabbing the clamping arm, simultaneously is convenient for rotating and stretching the clamping arm, realizes turnover transformation and movement of hot forging steel, and ensures that hot forging operation is more convenient and efficient.
Description
Technical Field
The utility model relates to the technical field of bearing ring hot forging, in particular to an automatic grabbing device for bearing ring hot forging.
Background
Bearings are very commonly used in modern mechanical equipment, and the bearings are generally composed of a ferrule, a rolling body, a retainer and the like, wherein steel materials are required to be heated and forged in the manufacturing process of the bearing ferrule, and clamping arms are required to clamp and grasp the steel materials in the hot forging process, so that the steel materials are transformed at different angles according to requirements. The existing grabbing device is inconvenient to rotate the clamping arm, so that the operation of angle transformation of steel is not convenient enough, the operation efficiency is affected, for example, the clamping jaw and the limiting rod are arranged in the hot forging workpiece clamp disclosed by the authorized Chinese utility model with the publication number of CN207929942U, the limiting groove is formed in the surface of the clamping jaw, the clamping jaw can be limited to rotate within the range of +/-10 degrees relative to the movable jaw, and the clamping of an irregular object on the surface is more stable; the anti-skid patterns are arranged on the upper surface of the protruding part, the grooves are arranged between the two clamping parts, and the design of the conical protruding part is verified to have good clamping effect on the shackle; the first air claw and the second air claw are arranged to respectively finish the actions of grabbing and placing the workpiece on the forming press on the tool to be machined and placing the workpiece on the die of the shearing machine, so that the full-automatic loading and unloading of the shackle are realized, and the existing hot forging workpiece clamp can basically meet the demands of people, but still has some problems.
The prior device comprises: 1. the clamping arm is inconvenient to rotate, so that the angle transformation of steel is not convenient and fast to operate, and the operation efficiency is affected; 2. the arm lock is inconvenient to stretch out and draw back the removal for the operation is convenient inadequately, influences operating efficiency. There is therefore a need for an automatic gripping device for hot forging of bearing rings that solves the above mentioned problems.
Disclosure of Invention
The utility model aims to provide an automatic grabbing device for hot forging of a bearing ring, which aims to solve the problems of the prior device proposed in the background art: 1. the clamping arm is inconvenient to rotate, so that the angle transformation of steel is not convenient and fast to operate, and the operation efficiency is affected; 2. inconvenient telescopic movement to the arm lock for the operation is convenient inadequately, influences operating efficiency's problem.
In order to achieve the above purpose, the present utility model provides the following technical solutions: an automatic grabbing device for bearing ring hot forging comprises a mounting seat, an upright post, a supporting plate, a supporting rod, a sliding plate and a control plate;
the mounting seat is characterized in that an upright post is fixed at the top of the mounting seat, a supporting plate is fixedly connected to the upper part of the left side of the mounting seat, a supporting rod is fixed at the top of the upper end of the supporting plate, a sliding plate is sleeved on the outer wall of the supporting rod, and a control plate is arranged at the upper end of the right side of the mounting seat;
the rotary structure comprises a rotary seat, the rotary seat is arranged on the left side of the sliding plate, a rotary rod is fixed on the surface of the right side of the rotary seat, the rotary rod is inserted into the left end of the sliding plate, the right end of the rotary rod is movably connected inside a rotary motor, the rotary motor is fixedly arranged inside the left end of the sliding plate, and a placing groove corresponding to the rotary motor is formed inside the left end of the sliding plate;
the telescopic structure comprises a movable plate, and the movable plate is arranged on the upper surface of the sliding plate.
Preferably, the inside central authorities of roating seat are fixed and are provided with biax motor, biax motor one end swing joint has first pivot, the one end that biax motor was kept away from to first pivot is fixed with first screw rod, first screw rod surface thread bush is equipped with first movable block, first movable block left side surface fixation has first arm lock, the one end swing joint that biax motor kept away from first pivot has the second pivot.
Preferably, the second rotating shaft and the first rotating shaft are symmetrically designed, the second rotating shaft and the first rotating shaft are fixedly connected inside the double-shaft motor, a second screw rod is fixed at one end, far away from the double-shaft motor, of the second rotating shaft, the second screw rod and the first screw rod are symmetrically designed, the surface threads of the first screw rod and the surface threads of the second screw rod are oppositely designed, a second moving block is sleeved on the surface threads of the second screw rod, and a second clamping arm is fixed on the left side surface of the second moving block.
Preferably, the rotating seat right-hand member side fixed surface has the support frame, the support frame inserts and establishes inside the slide left side, the support frame inserts and establishes the one end inside the slide left side and is fixed with spacing cap, the slide rail groove that corresponds with spacing cap has been seted up inside the slide left end, the slide rail groove is circular around seting up inside the slide left end, rotary rod outer wall fixed surface has the commentaries on classics board, it establishes inside the slide left end to change the board card, the change groove that corresponds with the commentaries on classics board has been seted up inside the slide left end.
Preferably, the movable plate is fixed at the right end of the upper surface of the sliding plate, a transmission screw rod is inserted in the movable plate, the right end of the transmission screw rod is movably connected inside a transmission motor, the transmission motor is fixedly placed inside the upper end of the upright post, the left end of the transmission screw rod is inserted inside a limiting seat, the lower end of the limiting seat is fixed at the top end of the supporting rod, and a sliding groove corresponding to the supporting rod is formed in the sliding plate.
Preferably, the inside threaded connection with the transmission lead screw that is of movable plate, the screw hole that corresponds with the transmission lead screw has been seted up to the inside card of movable plate, spacing piece has been equipped with to spacing seat inside card, spacing piece is fixed in the transmission lead screw left end, spacing groove that corresponds with spacing piece has been seted up to spacing seat inside, the inside first stabilizer bar that has inserted of movable plate rear side upper end, first stabilizer bar left end is fixed on spacing seat right side surface, first stabilizer bar right-hand member is fixed on stand left side surface, the inside second stabilizer bar that corresponds with first stabilizer bar that has inserted of movable plate front side upper end, the inside third stabilizer bar that corresponds with the second stabilizer bar that has inserted of movable plate front side lower extreme.
Compared with the prior art, the utility model has the beneficial effects that:
1. this automatic grabbing device is used in bearing ring hot forging is provided with revolution mechanic, cooperation through rotary rod and roating seat, be convenient for rotating electrical machines drive the rotatory rotation of roating seat, thereby make first arm lock and second arm lock carry out rotatory transformation behind snatching steel, with this angle and the needs that accord with steel hot forging operation, simultaneously under the cooperation of second screw rod and first screw rod, be convenient for make first arm lock and second arm lock carry out automatic clamp to steel fast and get and release, make the operation more convenient, through this design, rotate when being convenient for automatic snatch steel, thereby make the angle of steel accord with hot forging needs, the convenience and the practicality of device have been improved.
2. This automatic grabbing device is used in bearing ring hot forging is provided with extending structure, cooperation through transmission lead screw and movable plate, be convenient for drive motor drives the slide and slides, thereby realize the flexible removal to first arm lock and second arm lock, make hot forging operating efficiency more convenient and high-efficient, simultaneously under the spacing cooperation of stabilizer bar such as first stabilizer bar, be convenient for the stable slip to the movable plate, make the arm lock flexible more stable convenient, through this design, be convenient for carry out flexible removal to the arm lock, make hot forging operation more convenient and high-efficient, the convenience and the practicality of device have been improved.
Drawings
FIG. 1 is a schematic elevational view of the structure of the present utility model;
FIG. 2 is a schematic top view of the structure of the present utility model;
FIG. 3 is a schematic top view in cross section of a partial structure of a swivel base according to the utility model;
FIG. 4 is a schematic top view in section of a partial structure of a mobile plate according to the present utility model;
in the figure: 1. a mounting base; 21. a column; 22. a support plate; 23. a support rod; 24. a slide plate; 25. a control panel; 3. a rotating structure; 31. a rotating seat; 32. a rotating rod; 33. a rotating electric machine; 34. a placement groove; 35. a biaxial motor; 36. a first rotating shaft; 37. a first screw; 38. a first moving block; 39. a first clamp arm; 41. a second rotating shaft; 42. a second screw; 43. a second moving block; 44. a second clamp arm; 45. a support frame; 46. a limit cap; 47. a slide rail groove; 48. a rotating plate; 49. a rotary groove; 5. a telescopic structure; 51. a moving plate; 52. a transmission screw rod; 53. a drive motor; 54. a limit seat; 55. a chute; 56. a threaded hole; 57. a limiting piece; 58. a limit groove; 59. a first stabilizer bar; 61. a second stabilizer bar; 62. and a third stabilizer bar.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, an embodiment of the present utility model is provided:
an automatic grabbing device for bearing ring hot forging comprises a mounting seat 1, a stand column 21, a supporting plate 22, a supporting rod 23, a sliding plate 24 and a control plate 25;
the device comprises a mounting seat 1, wherein an upright post 21 is fixed at the top of the mounting seat 1, a supporting plate 22 is fixedly connected to the upper part of the left side of the mounting seat 1, a supporting rod 23 is fixed at the top of the upper end of the supporting plate 22, a sliding plate 24 is sleeved on the outer wall of the supporting rod 23, and a control plate 25 is arranged at the upper end of the right side of the mounting seat 1;
the rotary structure 3, the rotary structure 3 includes rotary seat 31, rotary seat 31 sets up in slide 24 left side, rotary seat 31 right side fixed with rotary rod 32, rotary rod 32 inserts and establishes inside slide 24 left end, rotary rod 32 right-hand member swing joint is inside rotary motor 33, rotary motor 33 fixed setting is inside slide 24 left end, the standing groove 34 that corresponds with rotary motor 33 has been seted up inside slide 24 left end, rotary seat 31 inside central authorities are fixed with biax motor 35, biax motor 35 one end swing joint has first pivot 36, first pivot 36 is kept away from biax motor 35's one end and is fixed with first screw rod 37, first screw rod 37 surface thread bush is equipped with first movable block 38, first movable block 38 left side fixed with first arm lock 39, biax motor 35 is kept away from first pivot 36's one end swing joint has second pivot 41, through this design, be convenient for to the removal to first arm lock 39;
the second rotating shaft 41 and the first rotating shaft 36 are symmetrically designed, the second rotating shaft 41 and the first rotating shaft 36 are fixedly connected in the double-shaft motor 35, a second screw rod 42 is fixed at one end, far away from the double-shaft motor 35, of the second rotating shaft 41, the second screw rod 42 and the first screw rod 37 are symmetrically designed, the surface threads of the first screw rod 37 and the surface threads of the second screw rod 42 are oppositely designed, a second moving block 43 is sleeved on the surface threads of the second screw rod 42, a second clamping arm 44 is fixed on the left side surface of the second moving block 43, through the design, the second clamping arm 44 and the first clamping arm 39 are convenient to move, the second clamping arm 44 and the first clamping arm 39 are convenient to grasp and release, a supporting frame 45 is fixed on the side surface of the right end of the rotating seat 31, the supporting frame 45 is inserted in the left side of the sliding plate 24, a limit cap 46 is fixed at one end of the left side of the sliding plate 24, a slide rail 47 corresponding to the limit cap is arranged in the left end of the sliding plate 24, the slide rail groove 47 is circularly arranged in the left end, a rotating plate 48 is fixed on the outer wall surface of the second moving block 43, a rotating plate 48 is clamped in the left end of the sliding plate 24, and the rotating plate is convenient to rotate, and the rotating plate 31 is more convenient to rotate, and the rotating plate is arranged in the left end of the rotary plate is more stable, and the rotating plate 31 is convenient to rotate, and the rotating plate 48 is convenient to rotate and the rotating plate is convenient to rotate;
the telescopic structure 5, the telescopic structure 5 includes the movable plate 51, the movable plate 51 is set up on the upper surface of the slide plate 24, the movable plate 51 is fixed on the right end of the upper surface of the slide plate 24, the inside of the movable plate 51 is inserted with the driving screw 52, the right end of the driving screw 52 is movably connected in the driving motor 53, the driving motor 53 is fixedly placed in the upper end of the column 21, the left end of the driving screw 52 is inserted in the limit seat 54, the lower end of the limit seat 54 is fixed on the top end of the supporting rod 23, the slide plate 24 is internally provided with the sliding groove 55 corresponding to the supporting rod 23, through the design, the stable sliding of the slide plate 24 and the stable supporting of the slide plate 24 are facilitated, the operation is more convenient, the inside of the movable plate 51 is in threaded connection with the driving screw 52, the inside of the movable plate 51 is provided with the threaded hole 56 corresponding to the driving screw 52, the inside card of spacing seat 54 is equipped with spacing piece 57, spacing piece 57 is fixed in the left end of drive lead screw 52, spacing groove 58 that corresponds with spacing piece 57 has been seted up to spacing seat 54 inside, the inside first stabilizer bar 59 that has been inserted of movable plate 51 rear side upper end, first stabilizer bar 59 left end is fixed at spacing seat 54 right side surface, first stabilizer bar 59 right-hand member is fixed at stand 21 left side surface, the inside second stabilizer bar 61 that corresponds with first stabilizer bar 59 that has been inserted of movable plate 51 front side upper end, the inside third stabilizer bar 62 that corresponds with second stabilizer bar 61 that has been inserted of movable plate 51 front side lower extreme, through this design, the steady removal and the support of movable plate 51 of being convenient for, make movable plate 51 drive the flexible removal of slide 24 more steady, the operation of being convenient for.
Working principle: when the hot forged steel is required to be grabbed, a power supply is connected, the operation control board 25 is used for controlling the double-shaft motor 35 to work and rotate positively, the double-shaft motor 35 works and rotates positively to enable the first rotating shaft 36 and the second rotating shaft 41 to rotate synchronously, the second screw rod 42 and the first screw rod 37 rotate synchronously, the first moving block 38 and the second moving block 43 move synchronously and oppositely under the design of opposite threads, the first clamping arm 39 and the second clamping arm 44 clamp and grab the hot forged steel, then the operation control board 25 is used for controlling the rotating motor 33 to work according to the requirement, and the rotating motor 33 works to enable the rotating rod 32 to drive the rotating seat 31 to rotate;
during rotation, through the cooperation of rotating plate 48 and rotary groove 49, the rotation of disrotatory pole 32 of being convenient for is more stable, simultaneously during rotation, through the cooperation of support frame 45 and spacing cap 46, the support of dragging of support frame 45 and spacing cap 46 disrotatory seat 31 of being convenient for under the cooperation of slide rail groove 47, the stable rotation of disrotatory seat 31 of being convenient for, rotatory simple operation, the quick automatic snatch and the upset transformation operation of steel of being convenient for through this operation, it is more convenient to make the hot forging, when the hot forging steel needs to release, control panel 25 control biax motor 35 work reversal, thereby make first arm lock 39 and second arm lock 44 reverse movement, with this hot forging steel of release.
When the hot forging steel is required to be grabbed, after the steel is grabbed under the operation of the rotating structure 3, the control plate 25 is controlled to control the driving motor 53 to work, the driving motor 53 works to rotate so that the driving screw rod 52 rotates, the driving screw rod 52 is convenient to stably rotate under the cooperation of the limiting piece 57 and the limiting groove 58, the moving plate 51 is enabled to move under the cooperation of the threaded hole 56, the moving plate 51 moves to drive the sliding plate 24 to slide, when the sliding plate 24 slides, the sliding plate 24 is convenient to stably support and cooperate with the supporting rod 23 through the supporting cooperation of the supporting rod 22, and meanwhile, the sliding plate 24 is convenient to support and stably slide under the limit cooperation of the stabilizing rods such as the first stabilizing rod 59, the second stabilizing rod 61 and the third stabilizing rod 62, so that the sliding plate 24 can conveniently slide, the cooperation of the sliding plate 24 and the rotating seat 31 is realized, the second clamping arm 44 and the first clamping arm 39 can conveniently move to stretch after clamping the hot forging steel, the hot forging operation is more convenient, and the operation is ended.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides an automatic grabbing device is used in bearing ring hot forging, includes mount pad (1), stand (21), backup pad (22), bracing piece (23), slide (24) and controls board (25), its characterized in that:
the mounting seat (1), the stand column (21) is fixed at the top of the mounting seat (1), a supporting plate (22) is fixedly connected to the upper portion of the left side of the mounting seat (1), a supporting rod (23) is fixed at the top of the upper end of the supporting plate (22), a sliding plate (24) is sleeved on the outer wall of the supporting rod (23), and a control plate (25) is arranged at the upper end of the right side of the mounting seat (1);
the rotary structure (3), the rotary structure (3) comprises a rotary seat (31), the rotary seat (31) is arranged on the left side of the sliding plate (24), a rotary rod (32) is fixed on the right side surface of the rotary seat (31), the rotary rod (32) is inserted into the left end of the sliding plate (24), the right end of the rotary rod (32) is movably connected into a rotary motor (33), the rotary motor (33) is fixedly arranged in the left end of the sliding plate (24), and a placing groove (34) corresponding to the rotary motor (33) is formed in the left end of the sliding plate (24);
the telescopic structure (5), the telescopic structure (5) includes movable plate (51), movable plate (51) sets up at slide (24) upper surface.
2. An automatic gripping device for hot forging of a bearing ring according to claim 1, characterized in that: the novel double-shaft rotating device is characterized in that a double-shaft motor (35) is fixedly arranged in the center of the inside of the rotating seat (31), one end of the double-shaft motor (35) is movably connected with a first rotating shaft (36), one end of the first rotating shaft (36) away from the double-shaft motor (35) is fixedly provided with a first screw rod (37), a first moving block (38) is sleeved on the outer surface of the first screw rod (37) in a threaded manner, a first clamping arm (39) is fixedly arranged on the left side surface of the first moving block (38), and one end of the double-shaft motor (35) away from the first rotating shaft (36) is movably connected with a second rotating shaft (41).
3. An automatic gripping device for hot forging of a bearing ring according to claim 2, characterized in that: the second rotating shaft (41) and the first rotating shaft (36) are symmetrically designed, the second rotating shaft (41) and the first rotating shaft (36) are fixedly connected inside the double-shaft motor (35), one end, far away from the double-shaft motor (35), of the second rotating shaft (41) is fixedly provided with a second screw (42), the second screw (42) and the first screw (37) are symmetrically designed, the surface threads of the first screw (37) and the surface threads of the second screw (42) are oppositely designed, the surface threads of the second screw (42) are sleeved with a second moving block (43), and the left side surface of the second moving block (43) is fixedly provided with a second clamping arm (44).
4. An automatic gripping device for hot forging of a bearing ring according to claim 1, characterized in that: the rotary seat is characterized in that a support frame (45) is fixed on the surface of the right end side of the rotary seat (31), the support frame (45) is inserted into the left side of the sliding plate (24), a limit cap (46) is fixed at one end of the left side of the sliding plate (24) inserted into the support frame (45), a sliding rail groove (47) corresponding to the limit cap (46) is formed in the left end of the sliding plate (24), the sliding rail groove (47) is formed in the left end of the sliding plate (24) in a circular mode in a surrounding mode, a rotating plate (48) is fixed on the surface of the outer wall of the rotary rod (32), the rotating plate (48) is clamped inside the left end of the sliding plate (24), and a rotating groove (49) corresponding to the rotating plate (48) is formed in the left end of the sliding plate (24).
5. An automatic gripping device for hot forging of a bearing ring according to claim 1, characterized in that: the movable plate (51) is fixed at the right end of the upper surface of the sliding plate (24), a transmission screw rod (52) is inserted in the movable plate (51), the right end of the transmission screw rod (52) is movably connected inside a transmission motor (53), the transmission motor (53) is fixedly placed inside the upper end of the upright post (21), the left end of the transmission screw rod (52) is inserted inside a limiting seat (54), the lower end of the limiting seat (54) is fixed at the top end of the supporting rod (23), and a sliding groove (55) corresponding to the supporting rod (23) is formed in the sliding plate (24).
6. An automatic gripping device for hot forging of a bearing ring according to claim 5, wherein: the utility model discloses a movable plate (51) is characterized in that the movable plate (51) is internally connected with a transmission screw rod (52) through threads, a threaded hole (56) corresponding to the transmission screw rod (52) is formed in the movable plate (51), a limiting piece (57) is clamped in the limiting seat (54), the limiting piece (57) is fixed at the left end of the transmission screw rod (52), a limiting groove (58) corresponding to the limiting piece (57) is formed in the limiting seat (54), a first stabilizer bar (59) is inserted in the upper end of the rear side of the movable plate (51), the left end of the first stabilizer bar (59) is fixed on the right side surface of the limiting seat (54), a second stabilizer bar (61) corresponding to the first stabilizer bar (59) is inserted in the upper end of the front side of the movable plate (51), and a third stabilizer bar (62) corresponding to the second stabilizer bar (61) is inserted in the lower end of the front side of the movable plate (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223055167.7U CN219520387U (en) | 2022-11-17 | 2022-11-17 | Automatic grabbing device is used in bearing ring hot forging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223055167.7U CN219520387U (en) | 2022-11-17 | 2022-11-17 | Automatic grabbing device is used in bearing ring hot forging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219520387U true CN219520387U (en) | 2023-08-15 |
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ID=87644646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223055167.7U Active CN219520387U (en) | 2022-11-17 | 2022-11-17 | Automatic grabbing device is used in bearing ring hot forging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219520387U (en) |
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2022
- 2022-11-17 CN CN202223055167.7U patent/CN219520387U/en active Active
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