CN219485303U - Multi-station polishing machine capable of replacing consumable materials - Google Patents
Multi-station polishing machine capable of replacing consumable materials Download PDFInfo
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- CN219485303U CN219485303U CN202320518042.9U CN202320518042U CN219485303U CN 219485303 U CN219485303 U CN 219485303U CN 202320518042 U CN202320518042 U CN 202320518042U CN 219485303 U CN219485303 U CN 219485303U
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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
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- 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
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Abstract
The utility model discloses a multi-station polishing machine with replaceable consumable materials, which comprises: the polishing device comprises a frame, a Y-axis motion module arranged on the frame, an X-axis motion module arranged on the Y-axis motion module, a C-axis module arranged on the X-axis motion module and used for positioning a workpiece, a Z-axis motion module vertically arranged on the frame and positioned beside the X-axis motion module, a spindle module arranged on the Z-axis motion module and used for polishing the workpiece, and a consumable library arranged on the X-axis motion module and positioned beside the C-axis module, wherein a plurality of polishing consumables used for replacing the spindle module are stored in the consumable library. The X-axis movement module, the Y-axis movement module and the Z-axis movement module are in linkage fit, so that the main shaft module is moved into the consumable library to automatically replace polishing consumables, the difficult problem that the traditional manual consumable replacement is time-consuming and labor-consuming is solved, continuous multi-station machining can be realized, and the utilization rate of a machine tool is improved.
Description
Technical field:
the utility model relates to the technical field of automatic processing, in particular to a multi-station polishing machine capable of replacing consumable materials.
The background technology is as follows:
the polishing machine is mainly applied to wiredrawing or polishing of surfaces of various materials such as metal, ceramic, glass and the like. Currently, existing polishing machines on the market only have one polishing consumable per spindle. When one procedure is finished, the consumable material needs to be manually replaced after stopping, so that the operation consumes labor and the utilization rate of the machine tool is reduced.
In view of this, the present inventors have proposed the following means.
The utility model comprises the following steps:
the utility model aims to overcome the defects of the prior art and provides a multi-station polishing machine with replaceable consumable materials.
In order to solve the technical problems, the utility model adopts the following technical scheme: a multi-station polisher with replaceable consumable, comprising: the polishing device comprises a frame, a Y-axis motion module arranged on the frame, an X-axis motion module arranged on the Y-axis motion module, at least one C-axis module arranged on the X-axis motion module and used for positioning a workpiece, a Z-axis motion module vertically arranged on the frame and positioned beside the X-axis motion module, at least one spindle module arranged on the Z-axis motion module and used for polishing the workpiece, and a consumable library arranged on the X-axis motion module and positioned beside the C-axis motion module, wherein a plurality of polishing consumables used for replacing the spindle module are stored in the consumable library.
Furthermore, in the above technical scheme, the consumable library comprises a support base installed on the X-axis motion module, a consumable bin arranged on the support base, at least one consumable support arranged in the consumable bin, a plurality of polishing consumables arranged on the consumable support and capable of being in butt joint with the spindle module for replacement, a first hatch cover and a second hatch cover which are installed on the consumable bin and capable of being opened in a relative sliding manner, and a first cylinder and a second cylinder arranged at two ends of the consumable bin and used for pushing the first hatch cover and the second hatch cover to move.
Furthermore, in the above technical scheme, be provided with four on the consumptive material support and be the matrix distribution and be used for the installation backup pad of polishing consumptive material is provided with in this installation backup pad and is used for the clamps the U type notch of polishing consumptive material, the middle part of polishing consumptive material be provided with the locating ring groove of U type notch matching screens.
Furthermore, in the above technical scheme, the main shaft module is including installing in main shaft assembly frame on the Z axle motion module, set up in main shaft assembly frame lower extreme and be used for with polishing consumable match the consumptive material fast-assembling device of lock joint, install in on the main shaft assembly frame be used for the drive the consumptive material fast-assembling device drives the rotatory fourth motor of polishing consumable and be used for connecting the fourth motor with consumable fast-assembling device's first belt pulley group, polishing consumable's upper portion is provided with and is used for inserting handle blind rivet in the consumptive material fast-assembling device.
Furthermore, in the above technical scheme, the consumable quick-assembling device comprises an installation sleeve which is rotatably installed in the spindle assembly frame and is used for being matched and clamped with the upper end of the polishing consumable, a pull rod which is arranged in the installation sleeve in a telescopic manner, a tensioning spring which is sleeved on the pull rod and is used for ejecting the pull rod out of the installation sleeve, a pull rod nut which is arranged at the upper end of the pull rod and is used for limiting the tensioning spring on the pull rod, a plurality of clamping balls which are arranged at the lower end of the pull rod and are used for clamping the handle pull nails, and a third cylinder which is arranged at the upper end of the installation sleeve and is used for pushing the pull rod to extend into the installation sleeve and compress the tensioning spring, and a ring groove clamping part which is used for being matched with the clamping balls is arranged on the handle pull nails.
In the above technical scheme, the spindle assembly frame is arranged in a shaft hole for installing the installation sleeve, a plurality of bearings matched with the shaft hole and gaskets arranged between the bearings are sleeved on the installation sleeve, and one end of the first belt pulley group is sleeved on the installation sleeve; the upper portion of polishing consumable is the toper, the lower extreme of installation sleeve is the taper hole form, the lower extreme of polishing consumable is installed through elastic jacket and is thrown the dish.
By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the consumable library for replacing polishing consumables of the spindle module is additionally arranged on the X-axis moving module, and the X-axis moving module, the Y-axis moving module and the Z-axis moving module are in linkage fit, so that the spindle module moves into the consumable library to automatically replace polishing consumables, the problem that the traditional manual consumable replacement is time-consuming and labor-consuming is solved, continuous multi-working can be realized, the utilization rate of a machine tool is improved, manpower and material resources are saved, the time for replacing consumables by stopping is shortened, the production efficiency is improved, the production period is shortened, and the enterprise cost is reduced.
Description of the drawings:
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a perspective view of a consumable library of the present utility model;
FIG. 3 is a top view of a consumable library of the present utility model;
FIG. 4 is a schematic diagram of a spindle module according to the present utility model;
FIG. 5 is a schematic diagram of a spindle module replacement consumable part according to the present utility model;
FIG. 6 is a schematic view of the structure of a small Z-axis module according to the present utility model;
FIG. 7 is a schematic view of a C-axis module according to the present utility model;
FIG. 8 is a schematic diagram of a transmission module according to the present utility model;
FIG. 9 is a schematic diagram of a Z-axis module according to the present utility model.
The specific embodiment is as follows:
the utility model will be further described with reference to specific examples and figures.
Referring to fig. 1 to 9, a multi-station polishing machine capable of replacing consumable materials includes: the polishing device comprises a frame 1, a Y-axis motion module 2 arranged on the frame 1, an X-axis motion module 3 arranged on the Y-axis motion module 2, at least one C-axis module 4 arranged on the X-axis motion module 3 and used for positioning a workpiece 100, a Z-axis motion module 5 vertically arranged on the frame 1 and positioned beside the X-axis motion module 3, at least one spindle module 6 arranged on the Z-axis motion module 5 and used for polishing the workpiece 100, and a consumable library 8 arranged on the X-axis motion module 3 and positioned beside the C-axis module 4, wherein a plurality of polishing consumables 84 used for replacing the spindle module 6 are stored in the consumable library 8.
The consumable library 8 for replacing the polishing consumable 84 by the spindle module 6 is additionally arranged on the X-axis moving module 3, and the X-axis moving module 3, the Y-axis moving module 2 and the Z-axis moving module 5 are in linkage fit, so that the spindle module 6 moves into the consumable library 8 to automatically replace the polishing consumable 84, the problem that the traditional manual consumable replacement is time-consuming and labor-consuming is solved, continuous multi-station machining can be realized, the utilization rate of a machine tool is improved, manpower and material resources are also saved, the time for replacing the consumable by stopping is shortened, the production efficiency is improved, the production period is shortened, and the enterprise cost is reduced.
The consumable storehouse 8 comprises a support base 81 arranged on the X-axis motion module 3, a consumable cabin 82 arranged on the support base 81, at least one consumable support 83 arranged in the consumable cabin 82, a plurality of polishing consumables 84 arranged on the consumable support 83 and capable of being in butt joint with the spindle module 6 for replacement, a first hatch cover 85 and a second hatch cover 86 which are arranged on the consumable cabin 82 and capable of being opened in a relative sliding mode, and a first cylinder 87 and a second cylinder 88 which are arranged at two ends of the consumable cabin 82 and used for pushing the first hatch cover 85 and the second hatch cover 86 to move respectively. The first cylinder 87 and the second cylinder 88 are respectively located at the outer sides of two ends of the consumable bin 82, and a first guide rod 821 and a second guide rod 822 for supporting and guiding the first hatch cover 85, and a third guide rod 823 and a fourth guide rod 824 for supporting and guiding the second hatch cover 86 are further arranged at the inner sides of two ends of the consumable bin 82. The polishing consumable support 83 is provided with four mounting support plates 831 which are distributed in a matrix and are used for mounting the polishing consumable 84, the mounting support plates 831 are provided with U-shaped notch 832 used for clamping the polishing consumable 84, and the middle part of the polishing consumable 84 is provided with a positioning ring groove 841 matched with the U-shaped notch 832 in clamping position.
In an embodiment, four groups of consumable holders 83 are arranged in the consumable bin 82, and four U-shaped slots 832 for positioning polishing consumables 84 are arranged in each consumable holder 83, wherein one U-shaped slot 832 is reserved on each consumable holder 83 for storing the replaced polishing consumables 84, and the remaining three U-shaped slots 832 can be used for storing polishing consumables 84 of different types or processing precision so as to facilitate multi-working. Secondly, adopt to be provided with the locating ring groove 841 and install backup pad 831 clamping location on polishing consumable 84, not only can realize polishing consumable 84's quick clamping, the high efficiency of main shaft module 6 of also being convenient for simultaneously changes polishing consumable 84, reduces the tool changing time, improves production efficiency.
The spindle module 6 comprises a spindle assembly frame 61 installed on the Z-axis motion module 5, a consumable quick assembly device 62 arranged at the lower end of the spindle assembly frame 61 and used for being matched and buckled with the polishing consumable 84, a fourth motor 63 installed on the spindle assembly frame 61 and used for driving the consumable quick assembly device 62 to drive the polishing consumable 84 to rotate, and a first belt pulley set 64 used for connecting the fourth motor 63 with the consumable quick assembly device 62, wherein a knife handle blind rivet 842 used for being inserted into the consumable quick assembly device 62 is arranged on the upper portion of the polishing consumable 84.
The consumable fast-assembling device 62 comprises a mounting sleeve 621 rotatably mounted in the spindle assembly frame 61 and used for being clamped with the upper end of the polishing consumable 84, a pull rod 622 telescopically arranged in the mounting sleeve 621, a tensioning spring 623 sleeved on the pull rod 622 and used for ejecting the pull rod 622 out of the mounting sleeve 621, a pull rod nut 624 arranged at the upper end of the pull rod 622 and used for limiting the tensioning spring 623 on the pull rod 622, a plurality of clamping balls 625 arranged at the lower end of the pull rod 622 and used for clamping a tool handle pull pin 842, and a third cylinder 626 arranged at the upper end of the mounting sleeve 621 and used for pushing the pull rod 622 to extend into the mounting sleeve 621 and compress the tensioning spring 623, wherein the tool handle pull pin 842 is provided with a ring groove clamping portion 8420 used for being matched with the clamping balls.
In an embodiment, when the spindle module 6 changes the polishing consumable 84, the spindle module 6 is moved to the empty U-shaped notch 832 by the linkage fit of the X-axis movement module 3, the Y-axis movement module 2 and the Z-axis movement module 5, so that the polishing consumable 84 to be changed is positioned in the U-shaped notch 832, the pull rod 622 is ejected downwards by the third cylinder 626, the clamping ball 625 can be separated from the annular groove clamping part 8420, and the Z-axis movement module 5 drives the spindle module 6 to move upwards, so that the polishing consumable 84 is released and placed in the U-shaped notch 832; further, the X-axis movement module 3, the Y-axis movement module 2 and the Z-axis movement module 5 are in linkage fit, the spindle module 6 is moved to a tool 84 to be clamped, the spindle module 6 is driven to descend by the Z-axis movement module 5, the mounting sleeve 621 is sleeved on the polishing consumable 84, the handle rivet 842 of the polishing consumable 84 is inserted into the pull rod 622, meanwhile, the third cylinder 626 is retracted to be separated from the pull rod 622, and at the moment, the pull rod 622 is pushed upwards by the tensioning spring 623 to enable the clamping ball 625 to be matched with the annular groove clamping part 8420, so that the polishing consumable 84 is fixed on the spindle module 6.
The spindle assembly frame 61 is arranged in a shaft hole 611 for installing the installation sleeve 621, a plurality of bearings 627 matched with the shaft hole 611 and gaskets 628 arranged between the bearings 627 are sleeved on the installation sleeve 621, and one end of the first belt pulley set 64 is sleeved on the installation sleeve 621; the upper part of the polishing consumable 84 is conical, the lower end of the mounting sleeve 621 is conical, and the lower end of the polishing consumable 84 is provided with a polishing disc 844 through an elastic jacket 843.
The bottom of each C-axis module 4 is provided with a pressure sensor 40 for detecting pressure, and each Z-axis motion module 5 is provided with a small Z-axis module 7 for compensating the main shaft module 6 by matching with the pressure sensor 40. The small Z-axis module 7 comprises a first mounting frame 71 fixed on the Z-axis movement module 5, a small Z-axis guide rail 72 arranged on the first mounting frame 71, a small Z-axis moving plate 73 slidably mounted on the small Z-axis guide rail 72, a first ball screw nut pair 74 arranged on the first mounting frame 71 and used for driving the small Z-axis moving plate 73 to move, and a first motor 75 arranged on the first mounting frame 71 and used for driving the first ball screw nut pair 74 to move, and the spindle module 6 is mounted on the small Z-axis moving plate 73.
The C-axis module 4 comprises a speed reducer 41, a gas distribution shaft 44 arranged in the speed reducer 41 and penetrating through the output torque, a second motor 42 arranged at the input end of the speed reducer 41, and a jig module 43 arranged on the gas distribution shaft 44 and used for clamping the workpiece 100, and the pressure sensor 40 is arranged at the bottom of the speed reducer 41. The X-axis movement module 3 is also provided with at least one small Y-axis module 30 for driving and adjusting the movement of the C-axis module 4, and the pressure sensor 40 is positioned between the small Y-axis module 30 and the C-axis module 4. The air distribution shaft 44 is a rotary air distribution shaft, and can transmit air kinetic energy while rotating, so that the pipeline is prevented from winding when the air distribution shaft 44 rotates.
The machine frame 1 comprises a machine tool base 11 for supporting the Y-axis movement module 2, a machine tool stand 12 vertically arranged at one end of the machine tool base 11 and used for supporting the Z-axis movement module 5, the Z-axis movement module 5 comprises a Z-axis guide rail 51 vertically arranged on the machine tool stand 12, a Z-axis movable seat 52 slidably arranged on the Z-axis guide rail 51, a second ball screw nut pair 53 vertically arranged beside the Z-axis guide rail 51 and used for driving the Z-axis movable seat 52 to move, a third motor 54 arranged on the machine tool stand 12 and used for driving the second ball screw nut pair 53 to move, and a balancing weight 55 arranged in the machine tool stand 12 in a lifting manner and connected with the Z-axis movable seat 52. The machine tool stand 12 is internally provided with a guide rod 56 for positioning and guiding the balancing weight 55, the balancing weight 55 is connected with the Z-axis moving seat 52 through a chain 57, the upper end of the machine tool stand 12 is provided with a first chain wheel 58 and a second chain wheel 59 for installing the chain 57, and the first chain wheel 58 and the second chain wheel 59 are respectively positioned above the Z-axis moving seat 52 and the balancing weight 55. The two Z-axis guide rails 51 are arranged in parallel, the second ball screw nut pair 53 is located between the two Z-axis guide rails 51, the two chains 57 are arranged in parallel and located on two sides of the second ball screw nut pair 53, and the two first chain wheels 58 and the two second chain wheels 59 are respectively located on two sides of the third motor 54.
In summary, when the polishing device disclosed by the utility model works, firstly, a workpiece 100 is manually clamped on a C-axis module 4, polishing consumables 84 required to be used are installed in a consumable library 8, a spindle module 6 is moved into the consumable library 8 through linkage fit of an X-axis movement module 3, a Y-axis movement module 2 and a Z-axis movement module 5, the spindle module 6 is sleeved on a designated polishing consumable 84 according to polishing requirements, the polishing consumables 84 are fixed by a consumable quick-mounting device 62, and further automatic installation and replacement of the polishing consumables 84 are completed, wherein the consumables are uniformly clamped on a BT30 tool shank, a BT30 tool shank hole is designed in an installation sleeve 621 of the spindle module 6, and tool shank pull nails 842 for tensioning the polishing consumables 84 are provided with tensioning springs 623 and pull rods 622. Specifically:
and (3) clamping and loosening the cutter handle: a third cylinder 626 is arranged at the top end of the mounting sleeve 621, and when the piston of the third cylinder 626 pushes out, the tensioning function of the tensioning spring 623 and the pull rod 622 is invalid, so that the knife handle is loosened; when the piston of the third cylinder 626 is retracted, the tightening function of the tightening spring 623 and the pull rod 622 is effected, tightening the tool shank; the third cylinder 626 is pushed out and retracted as controlled by the CNC system; the knife handle can be automatically clamped or loosened by the matching of the clamping spring 623, the pull rod 622, the third air cylinder 626 and the CNC numerical control system on the main shaft module 6;
the polishing consumables 84 are all placed on consumable supports 83 of the consumable library 8, and four different polishing consumables 84 can be placed on each consumable support 83;
automatic unloading consumable: after one process is completed, the X-axis movement module 3 and the Y-axis movement module 2 move in a matched manner, the corresponding hollow U-shaped notch 832 of the consumable support 83 is aligned to the spindle module 6, then the spindle module 6 releases the tool handle, the finished polishing consumable 84 is unloaded onto the consumable support 83, and the spindle module 6 is completely separated from the polishing consumable 84 in an upward direction. Thus, the automatic unloading of the polishing consumables 84 is completed;
automatic clamping of new consumable: after the consumable materials in the previous process are unloaded, the X-axis movement module 3 and the Y-axis movement module 2 are matched and moved again, the polishing consumable material 84 in the next process is aligned to the spindle module 6, after the spindle module 6 descends to be in contact with the tool handle, the third cylinder 626 is retracted, the tensioning function of the tensioning spring 623 and the pull rod 622 is effective, the tool handle pull nail 842 of the polishing consumable material 84 is tensioned, and then the X-axis movement module 3 and the Y-axis movement module 2 are matched and moved again, so that the spindle module 6 clamps the polishing consumable material 84 and is separated from the consumable material library 8. So far, the action of clamping the new consumable material is completed.
It is understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.
Claims (6)
1. A multi-station polisher with replaceable consumable supplies, comprising: the polishing device comprises a frame (1), a Y-axis motion module (2) arranged on the frame (1), an X-axis motion module (3) arranged on the Y-axis motion module (2), at least one C-axis module (4) arranged on the X-axis motion module (3) and used for positioning a workpiece (100), a Z-axis motion module (5) vertically arranged on the frame (1) and positioned on the side of the X-axis motion module (3), at least one spindle module (6) arranged on the Z-axis motion module (5) and used for polishing the workpiece (100) and a consumable library (8) arranged on the X-axis motion module (3) and positioned on the side of the C-axis module (4), wherein a plurality of polishing consumables (84) used for replacing the spindle module (6) are stored in the consumable library (8).
2. The multi-station polisher of claim 1, wherein: the consumable storehouse (8) comprises a support base (81) arranged on the X-axis movement module (3), a consumable cabin (82) arranged on the support base (81), at least one consumable support (83) arranged in the consumable cabin (82), a plurality of polishing consumables (84) arranged on the consumable support (83) and capable of being in butt joint with the main shaft module (6) for replacement, a first cabin cover (85) and a second cabin cover (86) arranged on the consumable cabin (82) in a covering manner and capable of being opened in a relative sliding manner, and a first cylinder (87) and a second cylinder (88) arranged at two ends of the consumable cabin (82) and used for pushing the first cabin cover (85) and the second cabin cover (86) to move.
3. The multi-station polisher of claim 2, wherein: four mounting support plates (831) which are distributed in a matrix and are used for mounting the polishing consumable (84) are arranged on the consumable support (83), U-shaped notch (832) used for clamping the polishing consumable (84) are arranged on the mounting support plates (831), and a positioning ring groove (841) which is matched with the U-shaped notch (832) in clamping position is arranged in the middle of the polishing consumable (84).
4. The multi-station polisher of claim 1, wherein: the main shaft module (6) including install in main shaft assembly jig (61) on Z axle motion module (5), set up in main shaft assembly jig (61) lower extreme and be used for with polishing consumable (84) match the consumptive material fast-assembling device (62) of lock joint, install in on main shaft assembly jig (61) be used for the drive consumable fast-assembling device (62) drive polishing consumable (84) rotatory fourth motor (63) and be used for connecting fourth motor (63) with consumable fast-assembling device's (62) first belt pulley group (64), polishing consumable (84) upper portion is provided with and is used for inserting handle of a knife blind rivet (842) in consumable fast-assembling device (62).
5. The multi-station polisher of claim 4, wherein: the consumable fast-assembling device (62) comprises a mounting sleeve (621) rotatably mounted in the spindle assembly frame (61) and used for being clamped with the upper end of the polishing consumable (84), a pull rod (622) telescopically arranged in the mounting sleeve (621), a tensioning spring (623) sleeved on the pull rod (622) and used for ejecting the pull rod (622) out of the mounting sleeve (621), a pull rod nut (624) arranged at the upper end of the pull rod (622) and used for limiting the tensioning spring (623) on the pull rod (622), a plurality of clamping balls (625) arranged at the lower end of the pull rod (622) and used for clamping a knife handle pull pin (842) and a third cylinder (626) arranged at the upper end of the mounting sleeve (621) and used for pushing the pull rod (622) to extend into the mounting sleeve (621) and compress the tensioning spring (623), and a clamping ball (84842) used for being clamped with the clamping balls (842) of the clamping groove (20) is arranged on the knife handle pin (842).
6. The multi-station polisher of claim 5, wherein: the main shaft assembly frame (61) is arranged in a shaft hole (611) for installing the installation sleeve (621), a plurality of bearings (627) matched with the shaft hole (611) and gaskets (628) arranged between the bearings (627) are sleeved on the installation sleeve (621), and one end of the first belt pulley group (64) is sleeved on the installation sleeve (621); the upper portion of polishing consumable (84) is the toper, the lower extreme of installation sleeve (621) is the taper hole form, polishing consumable (84) lower extreme is installed through elastic jacket (843) and is thrown dish (844).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320518042.9U CN219485303U (en) | 2023-03-07 | 2023-03-07 | Multi-station polishing machine capable of replacing consumable materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320518042.9U CN219485303U (en) | 2023-03-07 | 2023-03-07 | Multi-station polishing machine capable of replacing consumable materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219485303U true CN219485303U (en) | 2023-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320518042.9U Active CN219485303U (en) | 2023-03-07 | 2023-03-07 | Multi-station polishing machine capable of replacing consumable materials |
Country Status (1)
| Country | Link |
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| CN (1) | CN219485303U (en) |
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2023
- 2023-03-07 CN CN202320518042.9U patent/CN219485303U/en active Active
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