CN220347229U - One-drill double-inverted drilling equipment based on visual detection - Google Patents

One-drill double-inverted drilling equipment based on visual detection Download PDF

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Publication number
CN220347229U
CN220347229U CN202321882803.5U CN202321882803U CN220347229U CN 220347229 U CN220347229 U CN 220347229U CN 202321882803 U CN202321882803 U CN 202321882803U CN 220347229 U CN220347229 U CN 220347229U
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drill bit
ball screw
workbench
servo motor
special
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何雨华
吕思嘉
吴铭哲
张佳瑜
江敏
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Zhejiang Changzheng Vocational & Technical College
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Zhejiang Changzheng Vocational & Technical College
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse 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 discloses one-drill double-reverse drilling equipment based on visual detection, which comprises a base, a special-shaped drill bit, a power head, a lifting assembly, a transverse moving assembly, a coordinate axis workbench and a hydraulic positioning chuck, wherein the special-shaped drill bit is used for drilling and chamfering a pressure plate workpiece; the three-section special-shaped drill bit has ingenious structure, can realize circular track movement of the pressure plate workpiece around the center line of a drilling hole by combining the coordinate axis workbench, can finish drilling and double-sided chamfering operation by only one-time installation of the pressure plate workpiece by combining the lifting component and the transverse moving component, shortens auxiliary time, improves machining efficiency, and can quickly finish on-line size detection of the drilling hole on the pressure plate workpiece by combining the camera with the controller.

Description

One-drill double-inverted drilling equipment based on visual detection
Technical Field
The utility model belongs to the technical field of machining in metal cutting in mechanical manufacturing, and particularly relates to one-drill double-inverted-drilling equipment based on visual detection.
Background
The machine manufacturing industry is the national economy support industry, and machining refers to the process of changing the external dimensions or properties of a workpiece by means of a mechanical device. The difference in the machining modes can be divided into cutting machining and pressing machining. Drilling is one of the most common procedures in cutting, and a twist drill is commonly used on a bench drilling machine, a radial drilling machine or a lathe, and a small-bore drill can also be directly used for completing drilling operation by a gun drill. The hole opening often generates burrs or flanging in the drilling process, which is very unfavorable for the installation of subsequent parts, and the hand of an assembler is easily cut or other precise parts are damaged by carelessness. Therefore, the parts are required to be cleaned and deburred before being installed, and double-sided chamfering is carried out on the hole openings after drilling operation, so that good conditions can be created for subsequent installation procedures.
At present, the chamfering and deburring operation after drilling in the production site of enterprises mostly adopts the following methods:
1. chamfering is completed by a pistol drill; 2. chamfering is completed on a bench drilling machine or a radial drilling machine; 3. manually polishing with a round file; if the two-sided chamfer part of the orifice after drilling needs to be subjected to secondary clamping processing, the auxiliary time is long, the production efficiency is low, and the operation is very inconvenient.
For this purpose we propose a one-drill double-inverted-hole drilling device based on visual inspection.
Disclosure of Invention
It is an object of the present utility model to provide a one-drill, two-inverted drilling apparatus based on visual inspection, which solves or at least alleviates one or more of the above-mentioned and other problems of the prior art.
In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:
a one-drill double-inverted-hole drilling device based on visual inspection, comprising:
a base;
the special-shaped drill bit is used for drilling and chamfering the two sides of the pressure disc workpiece;
the power head is used for driving the special-shaped drill bit to rotate, and the special-shaped drill bit is fixedly arranged at the output end of the power head;
a lifting assembly for driving the special-shaped drill bit to move up and down is fixedly arranged on one side of the top of the base, a transverse moving assembly for driving the special-shaped drill bit to move left and right is arranged on the lifting assembly, and the power head is arranged on the transverse moving assembly;
the hydraulic positioning chuck is used for driving the pressure plate workpiece to move in the front, back, left and right directions, the coordinate axis workbench is arranged at the top of the base, and the hydraulic positioning chuck used for locking the pressure plate workpiece is fixedly arranged on the coordinate axis workbench.
The special-shaped drill bit comprises a drill bit front section, a drill bit middle section and a drill bit rear section, wherein a middle section lower taper cutting edge for chamfering the bottom of a drilling hole on a pressure plate workpiece is arranged at the joint of the drill bit middle section and the drill bit front section, and a rear section taper cutting edge for chamfering the top of the drilling hole on the pressure plate workpiece is arranged at the joint of the drill bit rear section and the drill bit middle section.
The lifting assembly comprises a stand column, the stand column is fixedly arranged at the top of the base, a lifting arm is sleeved on the stand column in a sliding mode, a cover plate is fixedly arranged at the top of the stand column, a first servo motor is fixedly arranged at the top of the cover plate, a first ball screw is fixedly connected to an output shaft of the first servo motor through a first clamping connecting sleeve, and the outer wall of the ball screw on the first ball screw is fixedly connected with one end of the lifting arm.
The transverse moving assembly comprises a guide rail fixed on one side of the lifting arm, a movable carriage is sleeved on the guide rail in a sliding mode, the power head is fixedly installed on one side of the movable carriage, a second servo motor is fixedly installed at one end of the guide rail, a second ball screw is fixedly connected to an output shaft of the second servo motor through a second clamping connecting sleeve, and the outer wall of a ball screw on the second ball screw is fixedly connected with the movable carriage.
The coordinate axis workbench comprises a transverse workbench and a longitudinal workbench, the transverse workbench is slidably arranged at the top of the base, the longitudinal workbench is slidably arranged on the transverse workbench, a third servo motor is fixedly arranged on one side of the base, an output shaft of the third servo motor is fixedly connected with a third ball screw through a third clamping connecting sleeve, the outer wall of a ball screw on the third ball screw is fixedly connected with one side of the transverse workbench, and the third ball screw rotates to penetrate through the transverse workbench;
a fourth servo motor is fixedly arranged on one side of the transverse workbench, an output shaft of the fourth servo motor is fixedly connected with a fourth ball screw through a fourth clamping connecting sleeve, the outer wall of a ball screw on the fourth ball screw is fixedly connected with one side of the longitudinal workbench, and the fourth ball screw rotates to penetrate through the longitudinal workbench.
The top fixed mounting of base has the support column, fixed mounting has the controller on the support column, first servo motor second servo motor third servo motor with fourth servo motor all is controlled by the controller.
One side lower extreme fixedly connected with mounting panel of unit head, fixedly mounted with camera on the mounting panel, the camera with the input automatically controlled connection of controller.
Compared with the prior art, the one-drill double-inverted-hole drilling equipment based on visual detection provided by the utility model is provided with the following components
The beneficial effects are that:
the three-section special-shaped drill bit has ingenious structure, can realize circular track movement of the pressure plate workpiece around the center line of the drilling hole by combining the coordinate axis workbench, and can finish the drilling hole and double-sided chamfering operation by only one-time installation of the pressure plate workpiece by combining the lifting component and the transverse moving component, so that the auxiliary time is shortened, and the machining efficiency is improved.
The hydraulic positioning chuck realizes automatic expansion and release, and the repeated positioning precision is high.
The camera cooperates with the controller to rapidly finish the on-line size detection of the drilling holes on the pressing disc workpiece, and the quality of the parts is guaranteed.
Drawings
In order to more clearly illustrate the technical solutions of the inventive embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only examples of the inventive embodiments of the present utility model, and that other drawings can be obtained according to these drawings without the need of inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a first embodiment of the present utility model;
FIG. 2 is a schematic diagram of a second embodiment of the present utility model;
FIG. 3 is a schematic diagram of the front view of an embodiment of the present utility model;
FIG. 4 is a schematic left-hand view of an embodiment of the present utility model;
fig. 5 is a schematic structural view of a shaped drill bit according to an embodiment of the present utility model.
Reference numerals:
1. a base; 2. a transverse workbench; 3. a longitudinal workbench; 4. a third servo motor; 5. a third clamping connection sleeve; 6. a third ball screw; 7. a hydraulic positioning chuck; 8. pressing a disc workpiece; 9. a second servo motor; 10. the second clamping connecting sleeve; 11. a second ball screw; 12. a guide rail; 13. a lifting arm; 14. a power head; 15. a column; 16. a first servo motor; 17. a first clamping connection sleeve; 18. a first ball screw; 19. a cover plate; 20. a support column; 21. a controller; 22. a special-shaped drill bit; 221. a drill bit front section; 222. a drill bit middle section; 2221. a middle section lower taper cutting edge; 223. a rear section of the drill bit; 2231. a rear taper cutting edge; 23. a fourth servo motor; 24. moving the carriage; 25. a camera; 26. and (3) mounting a plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the inventive embodiments of the present utility model more apparent, the inventive implementation routine will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present utility model.
In the description of the inventive embodiments, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the inventive embodiments and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the inventive embodiments.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "coupled" should be construed broadly, and may be, for example, fixedly coupled, integrally coupled, or detachably coupled; may be a communication between the interiors of two elements; either directly or indirectly through intermediaries, the specific meaning of the terms in the inventive embodiments of the present utility model will be understood by those skilled in the art in the specific case.
Referring to fig. 1-5, a one-drill double-reverse drilling device based on visual inspection according to an embodiment of the present utility model includes a base 1, a special-shaped drill 22 for drilling and chamfering two sides of a platen workpiece 8, a power head 14 for driving the special-shaped drill 22 to rotate, a lifting assembly, a lateral movement assembly, a coordinate axis workbench, and a hydraulic positioning chuck 7 for locking the platen workpiece 8.
Referring to fig. 5, in the embodiment of the present utility model, the special-shaped drill 22 is composed of a front drill section 221, a middle drill section 222 and a rear drill section 223, the diameter of the middle drill section 222 is 10mm, the diameter of the front drill section 221 is 16mm, the diameter of the rear drill section 223 is 20mm, a middle lower taper cutting edge 2221 for chamfering the bottom of a drilled hole on the platen workpiece 8 is formed at the connection part of the middle drill section 222 and the front drill section 221, and a rear taper cutting edge 2231 for chamfering the top of a drilled hole on the platen workpiece 8 is formed at the connection part of the rear drill section 223 and the middle drill section 222.
Referring to fig. 1-4, the coordinate axis workbench for driving the platen workpiece 8 to move in the front, back, left and right directions comprises a transverse workbench 2 and a longitudinal workbench 3, wherein the transverse workbench 2 is slidably mounted at the top of a base 1, the longitudinal workbench 3 is slidably arranged on the transverse workbench 2, a third servo motor 4 is fixedly mounted on one side of the base 1, an output shaft of the third servo motor 4 is fixedly connected with a third ball screw 6 through a third clamping connecting sleeve 5, the outer wall of a ball screw on the third ball screw 6 is fixedly connected with one side of the transverse workbench 2, and the third ball screw 6 rotates to penetrate through the interior of the transverse workbench 2.
A fourth servo motor 23 is fixedly arranged on one side of the transverse workbench 2, an output shaft of the fourth servo motor 23 is fixedly connected with a fourth ball screw through a fourth clamping connecting sleeve, the outer wall of the ball screw on the fourth ball screw is fixedly connected with one side of the longitudinal workbench 3, the fourth ball screw rotates to penetrate through the inside of the longitudinal workbench 3, the pressure plate workpiece 8 can be driven to move forwards or backwards by controlling the output shaft of the third servo motor 4 to rotate forwards or reversely, the pressure plate workpiece 8 can be driven to move leftwards or rightwards by controlling the output shaft of the fourth servo motor 23 to rotate forwards or reversely, namely, the circular track motion of the pressure plate workpiece 8 around the center line of a drill hole can be driven by numerical control synthetic motion of the transverse workbench 2 and the longitudinal workbench 3.
Referring to fig. 1-4, the lifting assembly comprises a stand column 15, the stand column 15 is fixedly installed at the top of the base 1, a lifting arm 13 is sleeved on the stand column 15 in a sliding manner, a cover plate 19 is fixedly installed at the top of the stand column 15, a first servo motor 16 is fixedly installed at the top of the cover plate 19, an output shaft of the first servo motor 16 is fixedly connected with a first ball screw 18 through a first clamping connecting sleeve 17, the outer wall of a ball screw on the first ball screw 18 is fixedly connected with one end of the lifting arm 13, and the special-shaped drill bit 22 can be driven to move upwards or downwards by controlling the output shaft of the first servo motor 16 to rotate forwards or reversely.
The transverse moving assembly comprises a guide rail 12 fixed on one side of a lifting arm 13, a movable carriage 24 is sleeved on the guide rail 12 in a sliding manner, a power head 14 is fixedly arranged on one side of the movable carriage 24, a second servo motor 9 is fixedly arranged at one end of the guide rail 12, an output shaft of the second servo motor 9 is fixedly connected with a second ball screw 11 through a second clamping connecting sleeve 10, the outer wall of a ball screw on the second ball screw 11 is fixedly connected with the movable carriage 24, and the action of driving a special-shaped drill bit 22 to move leftwards or rightwards can be realized by controlling the output shaft of the second servo motor 9 to rotate forwards or reversely.
In order to realize automatic control, the top of the base 1 is fixedly provided with a support column 20, the support column 20 is fixedly provided with a controller 21, and the first servo motor 16, the second servo motor 9, the third servo motor 4 and the fourth servo motor 23 are controlled by the controller 21, wherein the controller 21 can adopt a PLC controller with the model number of S7-300 of Siemens company.
In order to realize carrying out online quick detection to the drilling size, one side lower extreme fixedly connected with mounting panel 26 of unit head 14, fixedly mounted has camera 25 on the mounting panel 26, the camera 25 is automatically controlled to be connected with the input of controller 21, when using through the camera 25 cooperation controller 21 that sets up, camera 25 can discern the drilling on the pressure disk work piece 8, and transmit the picture of taking to controller 21 and carry out analytical processing, use the YOLOv8 algorithm to detect the drilling size on the pressure disk work piece 8, closed loop feedback numerical control system can be by program instruction coordinate axis workstation motion restoration drilling aperture to qualification. When the special-shaped drill bit 22 is worn to a certain extent, the aperture becomes smaller, and when the deviation below the standard aperture is detected to be 0.1mm, the special-shaped drill bit 22 is indicated to exceed the service cycle, and a system alarm prompts an operator to replace a new special-shaped drill bit 22.
Working principle: and in the preparation stage, placing the pressure plate workpiece 8 on the hydraulic positioning chuck 7 for pre-positioning, supporting the inner hole expansion part of the pressure plate workpiece 8 in the self-centering three-jaw chuck on the hydraulic positioning chuck 7, and adjusting the tripping position of the special-shaped drill bit 22.
Step one, the output shaft of the first servo motor 16 is controlled to rotate, so that the special-shaped drill 22 is fed downwards, and the drill front section 221 on the special-shaped drill 22 drills the platen workpiece 8.
Step two, the special-shaped drill bit 22 continues to feed downwards, and the special-shaped drill bit 22 finishes the plane chamfering on the drill hole by utilizing the rear taper cutting edge 2231.
Step three, the special-shaped drill 22 retreats upwards, so that the drill middle section 222 deviates from a certain position in the drill hole, and the lower plane chamfering of the drill hole is completed by using the middle section lower taper cutting edge 2221 to walk a circle along the center of the drill hole, wherein the circle track is completed by the numerical control combined movement of the transverse workbench 2 and the longitudinal workbench 3.
And step four, numerically controlled synthesis movement of the transverse workbench 2 and the longitudinal workbench 3, and moving the platen workpiece 8 to enable the middle drill section 222 in the special-shaped drill 22 to be located at the center of the drilling, and enabling the special-shaped drill 22 to retreat upwards to the original position, thereby completing all machining steps of one hole.
And using the numerical control combined motion of the transverse workbench 2 and the longitudinal workbench 3 to move the other position of the pressure plate workpiece 8 to be positioned right below the special-shaped drill bit 22. And (3) sequentially circulating to complete the whole working procedures of once clamping, four times of drilling and double-sided chamfering of the pressing disc workpiece 8.
After finishing processing a hole, the system automatically starts a visual detection program, a YOLOv8 algorithm is used for detecting the size of the hole on the clutch pressure plate, and the size of the hole is determined according to the minimum bounding box, if the position of the blue bounding box exceeding the red bounding box is smaller than the standard hole size, namely the size of the hole is smaller than the standard hole size (the detection precision is 0.01 mm), and the closed loop feedback numerical control system can synthesize movement by a program command workbench to restore the hole size until the hole size is qualified. When the special-shaped drill bit 22 is ground to a certain degree, the aperture becomes smaller, and when the deviation below the standard aperture is detected to be smaller than 0.1mm, the special-shaped drill bit 22 is indicated to exceed the service cycle, and a system alarm prompts an operator to replace a new special-shaped drill bit 22.
While the basic principles of the present utility model have been shown and described, the foregoing is provided by way of illustration of a preferred embodiment of the utility model, and not by way of limitation, the foregoing embodiment and description are merely illustrative of the principles of the utility model, and any modifications, equivalents, improvements or modifications not within the spirit and scope of the utility model should be included within the scope of the utility model.

Claims (7)

1. One bores two drilling equipment that fall based on visual detection, characterized by, include:
a base (1);
the special-shaped drill bit (22) is used for drilling and chamfering the two sides of the pressure disc workpiece (8);
the power head (14) is used for driving the special-shaped drill bit (22) to rotate, and the special-shaped drill bit (22) is fixedly arranged at the output end of the power head (14);
a lifting assembly for driving the special-shaped drill bit (22) to move up and down is fixedly arranged on one side of the top of the base (1), a transverse moving assembly for driving the special-shaped drill bit (22) to move left and right is arranged on the lifting assembly, and the power head (14) is arranged on the transverse moving assembly;
the hydraulic positioning chuck comprises a base (1) and a coordinate axis workbench, wherein the coordinate axis workbench is used for driving a pressure plate workpiece (8) to move in the front, back, left and right directions, and the coordinate axis workbench is arranged at the top of the base, and a hydraulic positioning chuck (7) used for locking the pressure plate workpiece (8) is fixedly arranged on the coordinate axis workbench.
2. A visual inspection-based one-drill double-inverted drilling apparatus as defined in claim 1, wherein: the special-shaped drill bit (22) comprises a drill bit front section (221), a drill bit middle section (222) and a drill bit rear section (223), a middle section lower taper cutting edge (2221) for chamfering the bottom of a drilling hole on a pressure plate workpiece (8) is arranged at the joint of the drill bit middle section (222) and the drill bit front section (221), and a rear section taper cutting edge (2231) for chamfering the top of the drilling hole on the pressure plate workpiece (8) is arranged at the joint of the drill bit rear section (223) and the drill bit middle section (222).
3. A visual inspection-based one-drill double-inverted drilling apparatus as defined in claim 1, wherein: the lifting assembly comprises a stand column (15), the stand column (15) is fixedly arranged at the top of the base (1), a lifting arm (13) is sleeved on the stand column (15) in a sliding mode, a cover plate (19) is fixedly arranged at the top of the stand column (15), a first servo motor (16) is fixedly arranged at the top of the cover plate (19), a first ball screw (18) is fixedly connected to an output shaft of the first servo motor (16) through a first clamping connecting sleeve (17), and the outer wall of the ball screw on the first ball screw (18) is fixedly connected with one end of the lifting arm (13).
4. A visual inspection-based one-drill double-inverted drilling apparatus as defined in claim 3, wherein: the transverse moving assembly comprises a guide rail (12) fixed on one side of the lifting arm (13), a movable carriage (24) is sleeved on the guide rail (12) in a sliding mode, the power head (14) is fixedly installed on one side of the movable carriage (24), a second servo motor (9) is fixedly installed at one end of the guide rail (12), a second ball screw (11) is fixedly connected to an output shaft of the second servo motor (9) through a second clamping connecting sleeve (10), and the outer wall of a ball screw on the second ball screw (11) is fixedly connected with the movable carriage (24).
5. A visual inspection-based one-drill double-inverted drilling apparatus as defined in claim 4, wherein: the coordinate axis workbench comprises a transverse workbench (2) and a longitudinal workbench (3), the transverse workbench (2) is slidably mounted at the top of the base (1), the longitudinal workbench (3) is slidably arranged on the transverse workbench (2), a third servo motor (4) is fixedly mounted on one side of the base (1), a third ball screw (6) is fixedly connected to an output shaft of the third servo motor (4) through a third clamping connecting sleeve (5), the outer wall of a ball screw on the third ball screw (6) is fixedly connected with one side of the transverse workbench (2), and the third ball screw (6) rotates to penetrate through the interior of the transverse workbench (2);
a fourth servo motor (23) is fixedly arranged on one side of the transverse workbench (2), a fourth ball screw is fixedly connected with an output shaft of the fourth servo motor (23) through a fourth clamping connecting sleeve, the outer wall of a ball screw on the fourth ball screw is fixedly connected with one side of the longitudinal workbench (3), and the fourth ball screw rotates to penetrate through the inside of the longitudinal workbench (3).
6. A visual inspection-based one-drill double-inverted drilling apparatus as defined in claim 5, wherein: the top fixed mounting of base (1) has support column (20), fixed mounting has controller (21) on support column (20), first servo motor (16) second servo motor (9), third servo motor (4) and fourth servo motor (23) all are controlled by controller (21).
7. A visual inspection-based one-drill double-inverted drilling apparatus as defined in claim 6, wherein: one side lower extreme fixedly connected with mounting panel (26) of unit head (14), fixedly mounted has camera (25) on mounting panel (26), camera (25) with the automatically controlled connection of input of controller (21).
CN202321882803.5U 2023-07-18 2023-07-18 One-drill double-inverted drilling equipment based on visual detection Active CN220347229U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321882803.5U CN220347229U (en) 2023-07-18 2023-07-18 One-drill double-inverted drilling equipment based on visual detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321882803.5U CN220347229U (en) 2023-07-18 2023-07-18 One-drill double-inverted drilling equipment based on visual detection

Publications (1)

Publication Number Publication Date
CN220347229U true CN220347229U (en) 2024-01-16

Family

ID=89479496

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321882803.5U Active CN220347229U (en) 2023-07-18 2023-07-18 One-drill double-inverted drilling equipment based on visual detection

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CN (1) CN220347229U (en)

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