PCBA board material cutting device

The automatic replacement of cutting knives is achieved through an electric telescopic rod and a gear meshing system driven by a servo motor, which solves the problem of increased workload caused by manual replacement of cutting knives in the existing technology. The material damage is reduced through the discharge tray mechanism, thereby improving production efficiency and the degree of equipment automation.

CN223326455UActive Publication Date: 2025-09-12SHENZHEN XINGKEXUN ELECTRONICS CO LTD
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Patent Information

Application Number
CN202422682850.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-09-12
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

The existing PCBA board material cutting device requires manual removal of screws during the cutting blade replacement process, which increases the operator's workload and is not fast and efficient enough.

Method used

The electric telescopic rod and servo motor driven gear meshing system are used to realize the automatic replacement of cutting blades, reduce material damage through the discharge tray mechanism, and reduce cutting pressure through the buffer structure.

Benefits of technology

The rapid replacement of cutting knives and material protection are realized, which reduces the workload of operators, improves production efficiency and reduces material damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of electronic manufacturing, and discloses a PCBA board material cutting device which comprises an operation table, a hollow block is fixedly connected to the rear side of the top of the operation table, electric telescopic rods are fixedly connected to the left side and the right side of the rear portion of the inner wall of the hollow block, and a moving plate is fixedly connected to one ends of the two electric telescopic rods. A top plate of the moving plate is slidably connected with an L-shaped plate, a top plate of the L-shaped plate is fixedly connected with a servo motor, and the output end of the servo motor is fixedly connected with a gear. According to the cutting device, the movable plate is controlled by the electric telescopic rod to move back and forth in the hollow block, the servo motor drives the gear to rotate and be meshed with the rack to enable the L-shaped plate to move left and right, when the cutting knife is replaced, the fixing stud is rotated to loosen the L-shaped clamping plate, the cutting knife is taken down and replaced, and if the cutting knives of different sizes are replaced, the groove plate is taken down, and the cutting knife is replaced. And the trapezoidal strip is inserted into the dovetail groove to be fixed, so that the cutting knife can be quickly replaced.
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Description

Technical Field

[0001] The utility model relates to the field of electronic manufacturing, in particular to a PCBA board material cutting device. Background Art

[0002] The PCBA board material cutting device is a device specially used for accurately cutting circuit boards and other related materials. This device usually combines high-precision laser cutting technology or tool cutting technology, and can quickly and accurately cut PCBs of different thicknesses and materials. Its main components include a cutting device, a control device and a feeding device. The cutting device is responsible for the actual cutting process to ensure that the cutting edge is smooth and burr-free; the control device is programmed through software and can realize the setting of multiple cutting modes and paths; the feeding device is used for automatic feeding to improve production efficiency. The advantage of the PCBA material cutting device is that it improves cutting accuracy and efficiency, reduces labor costs and material waste, and has a high degree of automation, which helps to realize intelligent manufacturing and adapt to rapidly changing market demands. The equipment is widely used in the production lines of electronic products and plays an important role in ensuring product quality and reducing production costs.

[0003] After searching, the Chinese patent announcement number is: CN221734937U, which discloses a PCBA board material cutting device, including a workbench, the top surface of the workbench is fixedly connected to a limit baffle, the two ends of the top surface of the workbench are respectively fixed to the limit plates, the top surface of the workbench is fixedly connected to a fixed frame, the top surface of the fixed frame is provided with a slide groove, a reduction motor is fixedly installed on one side of the top of the fixed frame, the reduction motor shaft is fixedly connected to one end of a connecting rod three, the other end of the connecting rod three is fixedly connected to one end of a screw rod, and the other end of the screw rod is rotatably connected to the fixed frame. The plate, cylinder one, connecting rod one, mounting plate, cutting knife, etc. can limit the plate and cut the plate. By setting the reduction motor, connecting rod three, screw rod, moving block, guide rod, etc., the position of the cutting knife can be adjusted according to the required cutting length of the plate, thereby improving the practicality and flexibility of the device. However, in actual use, the cutting knife needs to be replaced after long-term use, and different cutting knives need to be replaced for cutting different PCBA board materials. The fixing screws need to be manually removed for replacement, thereby increasing the workload of the operator. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a PCBA board material cutting device, which aims to improve the problem that the cutting blade cannot be quickly replaced in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a PCBA board material cutting device, comprising an operating table, a hollow block is fixedly connected to the top rear side of the operating table, the left and right sides of the rear inner wall of the hollow block are fixedly connected to electric telescopic rods, one end of the two electric telescopic rods is fixedly connected to a movable plate, the top plate of the movable plate is slidably connected to an L-shaped plate, the top plate of the L-shaped plate is fixedly connected to a servo motor, the output end of the servo motor is fixedly connected to a gear, the top rear side of the movable plate is fixedly connected to a rack, the rack is meshed with the gear, and the L The front side of the shaping plate is fixedly connected to a cylinder, one end of the cylinder is fixedly connected to a limit plate, dovetail grooves are provided on the left and right sides of the bottom of the limit plate, a groove plate is provided at the bottom of the limit plate, trapezoidal bars are fixedly connected on the left and right sides of the top of the groove plate, a plurality of cutting knives are provided at the bottom of the inner wall of the groove plate, limiting holes are provided on the front and rear sides of the cutting knives, L-shaped clamping plates are provided on the front and rear sides of the groove plate, a plurality of fixing studs are fixedly connected to the outer side of the groove plate, and a material discharge tray mechanism is provided on the top of the operating table, and the material discharge tray mechanism is used to reduce damage to the material during cutting.

[0006] Through the above technical solution: by starting the electric telescopic rod, the movable plate can be driven to move back and forth in the hollow block, and by starting the servo motor, the gear can be driven to rotate, and the gear and the rack are engaged, so that the L-shaped plate can be moved left and right. When it moves to the top of the material, the cylinder is started at this time to drive the cutting mechanism to cut the material. When the cutting knife needs to be replaced, at this time, the fixing stud is rotated to release the fixation of the L-shaped splint, and then the cutting knife is removed and replaced. If a cutting knife of a different size needs to be replaced, just remove the groove plate from above the limit plate, and assemble the cutting knives of different sizes with the groove plate, and insert the trapezoidal bar above it along the dovetail groove to complete the engagement and fixation, thereby completing the replacement of different cutting knives.

[0007] As a further description of the above technical solution:

[0008] The discharge tray mechanism includes a base block, which is slidably connected to the left and right sides of the top of the operating table. A plurality of holes are provided on the top of the base block. A return spring is fixedly connected to the inner wall of the hole. A buffer column is fixedly connected to the top of the return spring. A hollow cover plate is provided on the top of the base block. Hinge are fixedly connected to the left and right sides of the rear of the hollow cover plate. The hollow cover plate is rotatably connected to the base block through the hinge.

[0009] Through the above technical solution: the hollow cover is rotated open, and then the material to be processed is placed on the top of the base block, and then the hollow cover is closed to complete the fixation of the material, and the base block is pushed into the cutting area. When the cutting knife cuts the material, after it cuts off the material, it will drive the buffer column and the return spring to move, thereby buffering the pressure generated during cutting, thereby reducing damage to the material during cutting.

[0010] As a further description of the above technical solution:

[0011] Guide columns are fixedly connected to the left and right sides of the bottom rear end of the inner wall of the hollow block, and the outer walls of the guide columns respectively penetrate the corresponding base blocks. A pad is fixedly connected to the middle of the top of the operating table, and limiting grooves are provided on the left and right sides of the top of the pad, and the limiting grooves are slidingly connected to the corresponding base blocks respectively. A fixing column is fixedly connected to the front side of the base block, and a clamping block is rotatably connected to the front side of the hollow cover plate, and the clamping block is engaged with the fixing column.

[0012] Through the above technical solution: the guide column can limit the moving path of the base block, and the pad can provide support for the base block. At the same time, the limit groove can make the base block move better, and the hollow cover plate can be fixed to the base block through the fixed column and the card block.

[0013] As a further description of the above technical solution:

[0014] Slide grooves are provided on the left and right sides of the inner wall of the hollow block, and the two slide grooves are slidably connected to the movable plate. A plurality of fastening bolts are provided on the top of the limit plate, and the outer walls of the fastening bolts pass through the limit plate.

[0015] Through the above technical solution: the sliding groove can facilitate better movement of the movable plate, and the groove plate and the limit plate can be firmly fixed by tightening the bolts.

[0016] As a further description of the above technical solution:

[0017] A transparent plate is fixedly connected to the front side of the inner wall of the hollow block, and an alarm is fixedly connected to the top of the outer wall of the hollow block.

[0018] Through the above technical solution: the transparent plate can prevent impurities from splashing out during cutting, and the internal cutting situation can be observed, and the alarm can remind the operator when a fault occurs.

[0019] As a further description of the above technical solution:

[0020] A fixing block is fixedly connected to the left side of the top of the operating table, and a nameplate is fixedly connected to the top of the fixing block.

[0021] Through the above technical solution: basic information of the equipment can be recorded through the nameplate.

[0022] As a further description of the above technical solution:

[0023] The top of the inner wall of the hollow block is fixedly connected with a lamp holder, and the bottom of the lamp holder is fixedly connected with a lighting tube.

[0024] Through the above technical solution: additional lighting can be provided by the lamp holder and the lighting tube.

[0025] As a further description of the above technical solution:

[0026] The right side of the outer wall of the hollow block is fixedly connected to a limiting block, and the right side of the limiting block is fixedly connected to a warning mark block.

[0027] Through the above technical solution: the operator can be reminded of precautions through the warning identification block.

[0028] The utility model has the following beneficial effects:

[0029] 1. In the utility model, the movable plate moves back and forth in the hollow block by controlling the electric telescopic rod. The servo motor drives the gear to rotate and mesh with the rack to move the L-shaped plate left and right. When it reaches the top of the material, the cylinder is started and the cutting mechanism cuts the material. When replacing the cutting knife, the fixing stud is turned to loosen the L-shaped clamping plate, remove and replace the cutting knife. If a cutting knife of a different size needs to be replaced, the groove plate is removed. After replacing the cutting knife, the trapezoidal bar is inserted into the dovetail groove to fix it. The cutting knife can be quickly replaced.

[0030] 2. In the utility model, by opening the hollow cover, placing the material on the base block, and then closing the cover to fix the material, the base block is pushed into the cutting area. When the cutter cuts the material, the buffer column and the return spring will move, which can reduce the cutting pressure and reduce damage to the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a three-dimensional diagram of a PCBA board material cutting device proposed in the utility model;

[0032] Figure 2 This is a front view of a PCBA board material cutting device proposed in the utility model;

[0033] Figure 3 This is a top view of a PCBA board material cutting device proposed in the present invention;

[0034] Figure 4 This is a cross-sectional view of a hollow block of a PCBA board material cutting device proposed in the present invention;

[0035] Figure 5 This is a disassembled diagram of the base block of a PCBA board material cutting device proposed in the utility model.

[0036] Legend:

[0037] 1. Operating table; 2. Discharge tray mechanism; 201. Base block; 202. Hole; 203. Return spring; 204. Buffer column; 205. Hinge; 206. Hollow cover; 3. Hollow block; 4. Electric telescopic rod; 5. Moving plate; 6. L-shaped plate; 7. Servo motor; 8. Gear; 9. Rack; 10. Cylinder; 11. Limit plate; 12. Dovetail groove; 13. Groove plate; 14. Ladder shaped strip; 15. cutting knife; 16. limiting hole; 17. fixing stud; 18. L-shaped clamp; 19. fastening bolt; 20. slide groove; 21. guide column; 22. pad; 23. limiting groove; 24. transparent plate; 25. alarm; 26. fixing block; 27. nameplate; 28. lighting tube; 29. ​​limiting block; 30. warning sign block; 31. card block; 32. fixing column; 33. lamp holder. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0039] Reference Figure 1 、 Figure 2 and Figure 4, the utility model provides an embodiment: a PCBA board material cutting device, including an operating table 1, a hollow block 3 is fixedly connected to the top rear side of the operating table 1, and the left and right sides of the rear inner wall of the hollow block 3 are fixedly connected to electric telescopic rods 4, one end of the two electric telescopic rods 4 is fixedly connected to a movable plate 5, the top plate of the movable plate 5 is slidably connected to an L-shaped plate 6, the top plate of the L-shaped plate 6 is fixedly connected to a servo motor 7, the output end of the servo motor 7 is fixedly connected to a gear 8, the top rear side of the movable plate 5 is fixedly connected to a rack 9, the rack 9 is meshed with the gear 8, the servo motor 7 can drive the gear 8 to rotate, and the meshing of the gear 8 and the rack 9 makes the L-shaped plate 6 move left and right; the L-shaped plate 6 is fixedly connected to the front side of the cylinder 10, one end of the cylinder 10 is fixedly connected to the limit plate 11, and the cylinder 10 drives the limit plate 11 to move; dovetail grooves 12 are provided on the left and right sides of the bottom of the limit plate 11, and a groove plate 13 is provided at the bottom of the limit plate 11. The left and right sides of the top of the groove plate 13 are fixedly connected with trapezoidal bars 14, and a plurality of cutting knives 15 are provided at the bottom of the inner wall of the groove plate 13. The front and rear sides of the cutting knife 15 are provided with limit holes 16, and the front and rear sides of the groove plate 13 are provided with L-shaped clamping plates 18. The outer side of the groove plate 13 is fixedly connected with a plurality of fixing studs 17. A material discharge tray mechanism 2 is provided on the top of the operating table 1. The material discharge tray mechanism 2 is used to reduce damage to the material during cutting;

[0040] Specifically, by starting the electric telescopic rod 4, the movable plate 5 can be driven to move back and forth in the hollow block 3, and by starting the servo motor 7, the gear 8 can be driven to rotate, and the gear 8 is engaged with the rack 9, so that the L-shaped plate 6 can move left and right. When it moves to the top of the material, the cylinder 10 is started at this time, which can drive the cutting mechanism to cut the material. When the cutting knife 15 needs to be replaced, at this time, by rotating the fixing stud 17, the L-shaped clamping plate 18 is released, and then the cutting knife 15 is removed and replaced. If a cutting knife 15 of a different size needs to be replaced, it is only necessary to remove the groove plate 13 from above the limit plate 11, and the cutting knife 15 of different sizes can be assembled with the groove plate 13, and the trapezoidal bar 14 above it is inserted along the dovetail groove 12 to complete the engagement and fixation, thereby completing the replacement of different cutting knives 15.

[0041] Reference Figure 3 and Figure 5 The discharge tray mechanism 2 includes a base block 201, which is slidably connected to the left and right sides of the top of the operating table 1. A plurality of holes 202 are opened on the top of the base block 201. The inner wall of the hole 202 is fixedly connected with a return spring 203. The top of the return spring 203 is fixedly connected with a buffer column 204. A hollow cover plate 206 is provided on the top of the base block 201. The left and right sides of the rear of the hollow cover plate 206 are fixedly connected with hinges 205. The hollow cover plate 206 is rotatably connected to the base block 201 through the hinges 205.

[0042] Specifically, the hollow cover 206 is rotated open, and then the material to be processed is placed on the top of the base block 201, and then the hollow cover 206 is closed to complete the fixation of the material, and the base block 201 is pushed into the cutting area. When the cutting knife 15 cuts the material, after it cuts off the material, it will drive the buffer column 204 and the return spring 203 to move, thereby buffering the pressure generated during cutting, thereby reducing damage to the material during cutting.

[0043] Reference Figure 1 、 Figure 3 and Figure 4 , the left and right sides of the bottom rear end of the inner wall of the hollow block 3 are fixedly connected with guide columns 21, and the outer walls of the guide columns 21 respectively penetrate the corresponding base blocks 201. The top middle part of the operating table 1 is fixedly connected with a pad 22. The left and right sides of the top of the pad 22 are provided with limiting grooves 23, and the limiting grooves 23 are slidably connected with the corresponding base blocks 201 respectively. The front side of the base block 201 is fixedly connected with a fixed column 32, and the front side of the hollow cover plate 206 is rotatably connected with a clamping block 31, which is engaged with the fixed column 32; the left and right sides of the inner wall of the hollow block 3 are provided with sliding grooves 20, and the two sliding grooves 20 are slidably connected to the movable plate 5. A plurality of fastening bolts 19 are provided on the top of the limiting plate 11, and the outer wall of the fastening bolts 19 penetrates the limiting plate 11;

[0044] Specifically, the guide column 21 can limit the moving path of the base block 201, and the pad 22 can provide support for the base block 201. At the same time, the limit groove 23 can enable the base block 201 to move better. The hollow cover plate 206 can be fixed to the base block 201 through the fixing column 32 and the clamping block 31. The sliding groove 20 can facilitate better movement of the movable plate 5. The groove plate 13 and the limit plate 11 can be firmly fixed by tightening the bolts 19.

[0045] Reference Figure 1 、 Figure 3 and Figure 4 , a transparent plate 24 is fixedly connected to the front side of the inner wall of the hollow block 3, and an alarm 25 is fixedly connected to the top of the outer wall of the hollow block 3; a fixed block 26 is fixedly connected to the top left of the operating table 1, and a nameplate 27 is fixedly connected to the top of the fixed block 26; a lamp holder 33 is fixedly connected to the top of the inner wall of the hollow block 3, and a lighting tube 28 is fixedly connected to the bottom of the lamp holder 33; a limit block 29 is fixedly connected to the right side of the outer wall of the hollow block 3, and a warning sign block 30 is fixedly connected to the right side of the limit block 29;

[0046] Specifically, the transparent plate 24 can prevent impurities from splashing out during cutting, and the internal cutting situation can be observed. The alarm 25 can remind the operator when a fault occurs. The nameplate 27 can record the basic information of the equipment. The lamp holder 33 and the lighting tube 28 can provide additional lighting. The warning mark block 30 can remind the operator of precautions.

[0047] Working principle: Before using the device, first, by starting the electric telescopic rod 4, the movable plate 5 can be driven to move forward and backward in the hollow block 3. At the same time, starting the servo motor 7 will drive the gear 8 to rotate, and the meshing action of the gear 8 and the rack 9 will cause the L-shaped plate 6 to move left and right. When the L-shaped plate 6 moves above the material, start the cylinder 10, and then drive the dynamic cutting mechanism to perform the cutting operation on the material. When the cutting knife 15 needs to be replaced, the fixed state of the L-shaped clamping plate 18 can be released by rotating the fixing stud 17, and then the cutting knife 15 can be removed for replacement. If a cutting knife 15 of a different size needs to be replaced, only the groove plate 13 needs to be removed from the limit plate 11. Then, the cutting knives 15 of different sizes are combined with the groove plate 13, and the trapezoidal bar 14 is inserted into the dovetail groove 12 to achieve locking and fixing, thereby completing the replacement of the cutting knife 15; and through the discharge tray mechanism 2, the hollow cover plate 206 is rotated to open, and then the material to be processed is placed on the top of the base block 201, and then the hollow cover plate 206 is closed to fix the material, and the base block 201 is pushed into the cutting area. When the cutting knife 15 performs a cutting operation on the material, once the material is cut, it will cause the buffer column 204 and the return spring 203 to be displaced, thereby absorbing the pressure generated during the cutting process to reduce the damage to the material caused by the cutting operation.

[0048] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A PCBA board material cutting device, comprising an operating table (1), characterized in that: The top rear side of the operating table (1) is fixedly connected to a hollow block (3), the left and right sides of the rear inner wall of the hollow block (3) are fixedly connected to electric telescopic rods (4), one end of the two electric telescopic rods (4) is fixedly connected to a movable plate (5), the top plate of the movable plate (5) is slidably connected to an L-shaped plate (6), the top plate of the L-shaped plate (6) is fixedly connected to a servo motor (7), the output end of the servo motor (7) is fixedly connected to a gear (8), the top rear side of the movable plate (5) is fixedly connected to a rack (9), the rack (9) is meshed with the gear (8), the front side of the L-shaped plate (6) is fixedly connected to a cylinder (10), one end of the cylinder (10) is fixedly connected to a limited position The limiting plate (11) is provided with dovetail grooves (12) on both the left and right sides of the bottom of the limiting plate (11), a groove plate (13) is provided at the bottom of the limiting plate (11), the left and right sides of the top of the groove plate (13) are fixedly connected with trapezoidal bars (14), a plurality of cutting knives (15) are provided at the bottom of the inner wall of the groove plate (13), the front and rear sides of the cutting knives (15) are provided with limiting holes (16), the front and rear sides of the groove plate (13) are provided with L-shaped clamping plates (18), the outer side of the groove plate (13) is fixedly connected with a plurality of fixing studs (17), and a material discharge tray mechanism (2) is provided on the top of the operating table (1), and the material discharge tray mechanism (2) is used to reduce damage to the material during cutting.

2. A PCBA board material cutting device according to claim 1, characterized in that: The material discharging tray mechanism (2) comprises a base block (201), the base block (201) being slidably connected to the left and right sides of the top of the operating table (1), a plurality of holes (202) being provided on the top of the base block (201), a return spring (203) being fixedly connected to the inner wall of the hole (202), a buffer column (204) being fixedly connected to the top of the return spring (203), a hollow cover plate (206) being provided on the top of the base block (201), hinges (205) being fixedly connected to the left and right sides of the rear of the hollow cover plate (206), and the hollow cover plate (206) being rotatably connected to the base block (201) via the hinges (205).

3. The PCBA material cutting device according to claim 2, characterized in that: The left and right sides of the bottom rear end of the inner wall of the hollow block (3) are fixedly connected with guide columns (21), and the outer walls of the guide columns (21) respectively penetrate the corresponding base blocks (201). The middle part of the top of the operating table (1) is fixedly connected with a pad (22), and the left and right sides of the top of the pad (22) are provided with limiting grooves (23), and the limiting grooves (23) are respectively slidably connected with the corresponding base blocks (201). The front side of the base block (201) is fixedly connected with a fixing column (32), and the front side of the hollow cover plate (206) is rotatably connected with a clamping block (31), and the clamping block (31) is engaged with the fixing column (32).

4. The PCBA material cutting device according to claim 1, characterized in that: Slide grooves (20) are provided on the left and right sides of the inner wall of the hollow block (3), and the two slide grooves (20) are slidably connected to the movable plate (5). A plurality of fastening bolts (19) are provided on the top of the limiting plate (11), and the outer walls of the fastening bolts (19) pass through the limiting plate (11).

5. The PCBA material cutting device according to claim 1, characterized in that: A transparent plate (24) is fixedly connected to the front side of the inner wall of the hollow block (3), and an alarm (25) is fixedly connected to the top of the outer wall of the hollow block (3).

6. The PCBA material cutting device according to claim 1, characterized in that: A fixing block (26) is fixedly connected to the left side of the top of the operating table (1), and a nameplate (27) is fixedly connected to the top of the fixing block (26).

7. The PCBA material cutting device according to claim 1, characterized in that: A lamp holder (33) is fixedly connected to the top of the inner wall of the hollow block (3), and a lighting tube (28) is fixedly connected to the bottom of the lamp holder (33).

8. The PCBA material cutting device according to claim 1, characterized in that: A limiting block (29) is fixedly connected to the right side of the outer wall of the hollow block (3), and a warning identification block (30) is fixedly connected to the right side of the limiting block (29).

Citation Information

Patent Citations

  • Plate material cutting mechanism

    CN221734937U