Transverse grooving and creasing structure and transverse grooving and creasing mechanism

By designing a transverse grooving and creasing structure in the carton forming equipment, the grooving knife and creasing knife can move synchronously, solving the problem of corrugated cardboard needing to be flipped, improving production efficiency and reducing labor costs.

CN224130585UActive Publication Date: 2026-04-17QINGDAO NAIPU INTELLIGENT PACKAGING TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QINGDAO NAIPU INTELLIGENT PACKAGING TECHNOLOGY CO LTD
Filing Date
2025-04-24
Publication Date
2026-04-17

AI Technical Summary

Technical Problem

In existing cardboard box forming equipment, the linerboard of corrugated cardboard needs to be flipped before subsequent spraying and printing can be carried out, which affects production efficiency, increases labor costs, and may also damage the cardboard.

Method used

A transverse grooving and creasing structure is designed, in which the grooving knife and the creasing knife are located on the upper and lower sides of the cardboard, respectively. By driving the components to move synchronously, the cardboard can be grooved and creasing simultaneously, avoiding the need for flipping.

Benefits of technology

It improves cardboard processing efficiency, simplifies processes, reduces labor costs, avoids cardboard damage, and enables automated processing without the need for flipping.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a transverse grooving and creasing structure and a transverse grooving and creasing mechanism. The transverse grooving indentation structure comprises a supporting table used for supporting a paperboard, a movable beam is arranged on one side of the supporting table, a grooving cutter is connected to the movable beam in a sliding mode, a connecting piece is fixed to the movable beam, the connecting piece is connected with a driving assembly, the driving assembly drives the connecting piece to move up and down, and the grooving cutter moves up and down along with the connecting piece. The connecting piece is provided with a creasing cutter, the creasing cutter moves along with the connecting piece, and the supporting table is provided with a first receding groove for the creasing cutter to penetrate through; the utility model further discloses a transverse grooving and creasing mechanism. The transverse grooving and creasing mechanism comprises at least two transverse grooving and creasing structures distributed side by side. The transverse grooving and creasing mechanism comprises the transverse grooving and creasing structure. According to the utility model, the structure is simplified, and the processing efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the technical field of carton forming equipment, and in particular to a transverse grooving and creasing structure and a transverse grooving and creasing mechanism. Background Technology

[0002] Cardboard boxes are the most widely used packaging products, typically used as wrapping materials for goods or as protective outer layers for items. During production, cardboard boxes are formed by bending corrugated cardboard. Corrugated cardboard has two sides: the facing paper and the linerboard. The side of the corrugated cardboard that requires horizontal creases is the linerboard, which facilitates folding the corrugated cardboard inwards. Currently, in the market, the linerboard typically enters the cardboard box forming equipment with the crease facing up. The creasing and grooving mechanism of the cardboard box forming equipment processes the corrugated cardboard from top to bottom. While this achieves the processing purpose, subsequent processes such as spraying and printing on the facing paper require the facing paper to be facing up, meaning the corrugated cardboard needs to be manually flipped over. This not only affects production efficiency but also increases labor costs, and in severe cases, can even damage the cardboard. Utility Model Content

[0003] The purpose of this utility model is to design a transverse slotting and indentation structure to overcome the shortcomings of the above-mentioned technology.

[0004] This utility model provides a horizontal grooving and creasing structure, including a support platform for supporting cardboard. A movable beam is provided on one side of the support platform, and a grooving knife is slidably connected to the movable beam. A connector is fixed to the movable beam, and a driving component is connected to the connector. The driving component drives the connector to move up and down, and the grooving knife moves up and down with the connector. The connector is provided with a creasing knife, which moves with the connector. The support platform has a first clearance groove for the creasing knife to pass through. It also includes a lower pressing platform for pressing down the cardboard. The lower pressing platform is located above the support platform and can move up and down relative to the support platform.

[0005] Preferably, the grooving knife and the creasing knife are located at the upper and lower positions of the cardboard, respectively, and a second clearance groove is provided on the lower pressing platform for the grooving knife to pass through.

[0006] Preferably, the connecting member includes a first connecting member and a second connecting member. The movable beam is fixed to the first connecting member, and the indentation knife is fixed to the second connecting member. When the first connecting member and the second connecting member are integrated or moved synchronously by a driving device, the movable beam and the indentation knife move synchronously. When the first connecting member and the second connecting member are driven by their respective driving devices, the movable beam and the indentation knife move independently.

[0007] Preferably, the number of grooving tools is two or more, and they are distributed sequentially along the length of the indentation tool.

[0008] Preferably, the lower pressure platform is driven to move up and down by a drive structure. The drive structure includes a first base located at both ends of the lower pressure platform. Each first base is provided with a first lead screw pair structure. The lead screw of the first lead screw pair structure is arranged in the same direction as the first connecting member. The lead screw of the first lead screw pair structure is connected to a first worm gear structure. The nut of the first lead screw pair structure is connected to both ends of the lower pressure platform. One of the first worm gear structures is provided with a fourth drive member. A first synchronizing rod is provided between the two first worm gear structures.

[0009] In a further optimization, the drive assembly includes an eccentric structure connected to the bottom of the second connector. The eccentric structure includes an eccentric wheel and a mounting part fixed to the eccentric wheel and rotating with the eccentric wheel. The mounting part is movably connected to the bottom of the second connector. The eccentric wheels of the two second connectors are connected by a connecting shaft. The connecting shaft is provided with a first drive member that drives the connecting shaft to rotate, so that the second connector moves up and down under the drive of the eccentric structure.

[0010] In a further optimization, the drive assembly also includes a lifting structure. The lifting structure includes a second seat, on which a second lead screw pair structure is provided. The lead screw of the second lead screw pair structure is arranged in the same direction as the second connecting member. The lead screw is connected to a second worm gear structure. A second driving member and a second synchronizing rod are provided between the two second worm gear structures to drive the two lead screws to rotate synchronously. A telescopic rod is provided at the top of the lead screw. The telescopic rod performs up-and-down telescopic movements under the joint drive of the lead screw and the second worm gear structure. A lifting seat that moves with the telescopic rod is provided on the telescopic rod. The two ends of the connecting shaft pass through eccentric wheels and are rotatably connected to the lifting seat.

[0011] In a further optimization, the drive assembly also includes a first slide rail extending along the telescopic rod's extension direction, a first guide block slidably fitted on the first slide rail, and the first guide block being connected to the lifting seat.

[0012] Preferably, the grooving cutter includes a base, which is slidably connected to the movable beam via a transmission mechanism. The base is provided with a grooving cutter that extends along the length of the movable beam.

[0013] Further optimization includes a rack arranged along the length of the movable beam, a gear meshing with the rack on the base, a third driving member for driving the gear to rotate on the base, a second slide rail along the length of the movable beam, and a second guide block that slides with the second slide rail on the base.

[0014] Further optimization involves a lead screw pair, with the lead screw of the lead screw pair arranged along the length of the movable beam. The nut in the lead screw pair is connected to the base, and the movable beam is equipped with a drive device for driving the lead screw to rotate.

[0015] Further optimization involves a transmission mechanism that is a conveyor belt structure. The conveyor belt structure includes a conveyor belt arranged along the length of the movable beam. A fixed seat is fixed on the conveyor belt. The fixed seat moves with the transmission of the conveyor belt. The fixed seat is provided with a positioning hole. The base is provided with a retractable positioning pin. When the fixed seat moves to the point where the positioning hole aligns with the positioning pin, the positioning pin extends into the positioning hole to form a fixed connection, thereby causing the fixed seat to drive the base to move back and forth.

[0016] This utility model also provides a transverse grooving and creasing mechanism, including the above-mentioned transverse grooving and creasing structure, with at least two of the transverse grooving and creasing structures arranged side by side to process the paperboard in sequence.

[0017] Preferably, a conveyor roller for conveying paperboard is provided between adjacent transverse slotting and creasing structures.

[0018] The technical advantage of this invention is that the grooving knife and the creasing knife are located on the upper and lower sides of the cardboard, respectively, facing the face paper and liner paper. The grooving knife and creasing knife are arranged in the same direction and fixedly connected to a connector. The connector moves up and down under the drive of the drive assembly, thereby causing the grooving knife and creasing knife to move up and down simultaneously. The creasing knife is inserted into a support platform for supporting the cardboard. Driven by the connector, the creasing knife can move up and down relative to the support platform. Specifically, the tip of the creasing knife extends above the support platform by moving upwards and is hidden within the support platform by moving downwards. This allows the grooving knife to press down on the cardboard to groove it when moving downwards, while the creasing knife is hidden within the support platform. When the grooving knife and creasing knife move upwards simultaneously, the grooving knife moves away from the cardboard, while the creasing knife moves upwards. The lifting mechanism creasing the bottom surface of the cardboard allows for simultaneous grooving and creasing at the same location, simplifying the structure, improving processing efficiency, and eliminating the need to flip the cardboard for subsequent processes. This facilitates production at later stages after paper processing, such as spraying and printing on the face paper. A lower pressure table is located above the support platform, pressing down onto the cardboard on the support platform. The bottom of the lower pressure table has a clearance groove for the grooving knife to pass through, ensuring that the pressure table does not interfere with the grooving and creasing process and preventing the cardboard from shifting during grooving and creasing. At least two horizontal grooving and creasing structures are arranged side-by-side, allowing the cardboard to pass through and be processed sequentially along these structures. This enables grooving and creasing of different parts of the same cardboard without manual adjustment, further improving processing efficiency. Attached Figure Description

[0019] Figure 1 This is an overall structural diagram of the present invention;

[0020] Figure 2This is an overall structural diagram of the present invention (omitting the lower pressure table and drive structure);

[0021] Figure 3 yes Figure 2 Enlarged view of point A in the middle;

[0022] Figure 4 This is a structural diagram of the indentation tool and the grooving tool in this utility model;

[0023] Figure 5 This is a structural diagram of the lower pressure platform and the drive structure in this utility model;

[0024] Figure 6 This is another structural view of the pressure table and drive structure;

[0025] Figure 7 This is a structural diagram of two horizontally slotted indentation structures arranged side by side.

[0026] In the diagram: 1. Cardboard; 2. Support platform; 3. Movable beam; 4. Grooving knife; 41. Base; 42. Grooving knife; 5. Connector; 51. First connector; 52. Second connector; 6. Creasing knife; 7. First clearance groove; 8. Eccentric wheel; 9. Mounting part; 10. Connecting shaft; 11. First drive component; 12. Second seat; 13. Second lead screw pair structure; 14. Second worm gear structure; 15. Second drive component; 16. Second synchronizing rod; 17. Telescopic rod; 18. Lifting seat ; 19. First slide rail; 20. First guide block; 21. Connecting block; 22. Positioning hole; 23. Rack; 24. Gear; 25. Third driving component; 26. Second slide rail; 27. Second guide block; 28. Lower pressure table; 29. ​​Second clearance groove; 30. First base; 31. First lead screw pair structure; 32. First worm gear structure; 33. Fourth driving component; 34. First synchronizing rod; 35. Third slide rail; 36. Third guide block; 37. Support plate; 38. Conveyor roller. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art are within the protection scope of the present utility model.

[0028] Example 1

[0029] This utility model provides a horizontal grooving and creasing structure, which includes a support platform 2 for supporting a cardboard 1, a movable beam 3 above the support platform 2, a grooving knife 4 slidably connected to the movable beam 3, and connectors 5 fixed at both ends of the movable beam 3. The connectors 5 are perpendicular to the movable beam 3 and are connected to a driving component. The driving component drives the connectors 5 to move up and down, and the grooving knife 4 moves with the connectors 5. A creasing knife 6 is provided between the two connectors 5 and moves with the connectors 5. The support platform 2 has a first clearance groove 7 for the creasing knife 6 to move. In this embodiment, a through hole is opened in the center of the support platform 2, penetrating the upper and lower bottom surfaces. The through hole extends along the length direction of the support platform 2 to form the first clearance groove 7. The first clearance groove 7 is consistent with the extension direction of the creasing knife 6. The creasing knife 6 is inserted into the first clearance groove 7 and can slide up and down with the connectors 5 in the first clearance groove 7. The up and down movement of the connectors 5 drives the grooving knife 4 and the creasing knife 6 to move synchronously.

[0030] The grooving knife 4 and the creasing knife 6 are located at the upper and lower positions of the cardboard 1, respectively. When the connector 5 moves upward, it drives the creasing knife 6 upward, causing the top of the creasing knife 6 to extend beyond the first clearance groove 7 and creasing the lower surface of the cardboard 1. When the connector 5 moves downward, it drives the movable beam 3 downward, which in turn drives the grooving assembly downward, causing the grooving knife 4 to press down onto the upper surface of the cardboard 1 to perform grooving. Typically, grooving is performed first, followed by creasing.

[0031] Furthermore, the grooving cutter 4 includes a base 41, which is slidably connected to the movable beam 3 via a transmission mechanism. The base 41 is provided with a grooving cutter 42, which extends along the length of the movable beam 3 to realize the lateral reciprocating sliding of the grooving cutter 4, that is, the lateral position of the grooving cutter 42 is adjustable.

[0032] A lower pressure platform 28 is provided above the support platform 2. The two ends of the lower pressure platform 28 are provided with driving structures, which enable the lower pressure platform 28 to move up and down relative to the support platform 2. A second clearance groove 29 is provided at the bottom of the lower pressure platform 28. In this embodiment, the lower pressure platform 28 is a plate structure in the same direction as the support platform 2. The second clearance groove 29 is in the same direction as the first clearance groove 7. The grooving knife 42 of the grooving knife 4 passes through the second clearance groove 29, so that the grooving knife 42 can slide along it. After the lower pressure platform 28 presses down, its bottom presses onto the cardboard 1 on the support platform 2, flattening the cardboard 1 so that the cardboard 1 will not shift during the grooving and creasing process. After the cardboard 1 is grooved and creasing is completed, the lower pressure platform 28 moves up under the drive of the driving structure, so that the cardboard 1 can continue to be conveyed to the next process.

[0033] Furthermore, the number of grooving knives 4 can be two or more, and they are distributed sequentially along the length of the creasing knife 6, so that the multiple grooving knives 4 can be adjusted laterally to groove the cardboard 1 simultaneously.

[0034] The lower pressure platform 28 moves up and down by a drive structure. The drive structure includes first bases 30 located at both ends of the lower pressure platform 28. Each first base 30 is provided with a first lead screw pair structure 31. The lead screw of the first lead screw pair structure 31 is arranged in the same direction as the connecting piece 5, that is, vertically. The lead screw of the first lead screw pair structure 31 is connected to a first worm gear structure 32. The nut of the first lead screw pair structure 31 is connected to both ends of the lower pressure platform 28. One of the first worm gear structures 32 is provided with a fourth drive member 33. The fourth drive member 33 can be a motor to drive the first worm gear structure 32 to rotate, thereby driving the lead screw of the first lead screw pair structure 31 to rotate forward and backward. The rotation of the lead screw drives the nut to move up and down. A first synchronizing rod 34 is provided between the two first worm gear structures 32, thereby realizing the up and down movement of the lower pressure platform 28.

[0035] Furthermore, the drive structure also includes a third slide rail 35 extending along the vertical movement direction of the lower pressure platform 28. A third guide block 36 is slidably fitted on the third slide rail 35. The third guide block 36 is connected to the end of the lower pressure platform 28. In this embodiment, a support plate 37 is provided at the end of the lower pressure platform 28. The support plate 37 is provided with third guide blocks 36 on both sides of the end of the lower pressure platform 28. The cooperation between the third guide block 36 and the third slide rail 35 guides the vertical movement of the lower pressure platform 28, ensuring the stability of the movement of the lower pressure platform 28.

[0036] Furthermore, the drive assembly includes an eccentric structure connected to the bottom of each connector 5. The eccentric structure includes an eccentric wheel 8 and a mounting part 9 fixed to the eccentric wheel 8 and rotating with the eccentric wheel 8. The mounting part 9 is hinged to the bottom of the connector 5. The eccentric wheels 8 of the two connectors 5 rotate synchronously through a connecting shaft 10. The connecting shaft 10 is provided with a first drive member 11 that drives the connecting shaft 10 to rotate. The first drive member 11 drives one of the eccentric wheels 8 to rotate through a transmission structure, and then drives the other eccentric wheel 8 to rotate synchronously through the connecting shaft 10. The eccentric wheel 8 drives the mounting part 9 to rotate, thereby driving the connector 5 to move up and down.

[0037] Furthermore, the drive assembly also includes a lifting structure, which includes a second base 12. A second lead screw pair structure 13 is provided on the second base 12. The lead screw of the second lead screw pair structure 13 is arranged in the same direction as the connecting member 5. The lead screw is connected to a second worm gear structure 14. A second drive member 15 and a second synchronizing rod 16 are provided between the two second worm gear structures 14 to drive the two lead screws to rotate synchronously. A telescopic rod 17 is provided at the top of the lead screw. The telescopic rod 17 performs vertical extension and retraction movements under the combined drive of the lead screw and the second worm gear structure 14. The telescopic rod 17 is equipped with a lifting seat 18 that moves with the telescopic rod 17. The two ends of the connecting shaft 10 pass through the eccentric wheel 8 and are rotatably connected to the lifting seat 18, so that the lifting seat 18 drives the eccentric structure to move up and down. The eccentric structure drives the connecting piece 5 to move up and down, thereby driving the grooving knife 4 and the indentation knife 6 to move up and down. That is, the overall position of the grooving knife 4 and the indentation knife 6 is adjusted by the lifting structure, that is, the range of movement of the grooving knife 4 and the indentation knife 6. Then, the eccentric structure drives the grooving knife 4 and the indentation knife 6 to perform downward pressing and upward lifting actions, ultimately realizing the grooving and indentation work.

[0038] Furthermore, the drive assembly also includes a first slide rail 19 extending along the telescopic direction of the telescopic rod 17. A first guide block 20 is slidably fitted on the first slide rail 19. The first guide block 20 is connected to the lifting seat 18 and guides the up and down movement of the lifting seat 18, ensuring the stability of the movement of the lifting seat 18.

[0039] In addition to the aforementioned lead screw and worm gear combination, other transmission structures can be used for the drive and lifting structures, such as linear motor drive structures, belt or chain drive structures, and other conventional transmission structures.

[0040] Furthermore, the connector 5 is provided with a connecting block 21. In this embodiment, there are multiple connecting blocks 21. The movable beam 3 and the indentation knife 6 are respectively fixedly connected to the connector 5 through the connecting blocks 21. The connecting block 21 is provided with a positioning hole 22. The connector 5 passes through the positioning hole 22 and is fixed by fasteners, so that the movable beam 3 and the indentation knife 6 are fixedly connected to the connector 5.

[0041] The transmission mechanism is a gear and rack structure, which includes a rack 23 arranged along the length of the movable beam 3, a gear 24 meshing with the rack 23 on the base 41, a third driving member 25 driving the gear 24 to rotate on the base 41, a second slide rail 26 along the length of the movable beam 3, and a second guide block 27 slidingly engaging with the second slide rail 26 on the base 41.

[0042] The transmission mechanism can also be a lead screw pair, in which the lead screw is arranged along the length of the movable beam 3, the nut in the lead screw pair is connected to the base 41, and the movable beam 3 is provided with a drive device for driving the lead screw to rotate.

[0043] The transmission mechanism can also be a conveyor belt structure, which includes a conveyor belt arranged along the length of the movable beam 3. A fixed seat is fixed on the conveyor belt. The fixed seat moves with the transmission of the conveyor belt. The fixed seat is provided with a positioning hole 22. The base 41 is provided with a retractable positioning pin. When the fixed seat moves to the positioning hole 22 and aligns with the positioning pin, the positioning pin extends into the positioning hole 22 and forms a fixed connection, so that the fixed seat drives the base 41 to move back and forth.

[0044] Of the three transmission mechanism structures mentioned above, the lead screw pair and the conveyor belt structure are conventional structures and are not shown in the attached drawings. The transmission mechanism can also be other common transmission structures available on the market, which will not be elaborated here.

[0045] The first drive component 11, the second drive component 15, the third drive component 25, and the fourth drive component 33 can be power structures such as motors, hydraulic cylinders, and pneumatic cylinders.

[0046] In another embodiment, the connector 5 includes a first connector 51 and a second connector 52. The first connector 51 is usually located above the support platform 2, and the second connector 52 is usually located below the support platform 2. The movable beam 3 and the indentation knife 6 are respectively fixed to the first connector 51 and the second connector 52. The first connector 51 and the second connector 52 can be integrated, or the first connector 51 and the second connector 52 can move synchronously under the drive of the drive device, so that the movable beam 3 and the indentation knife 6 can move up and down synchronously. The first connector 51 and the second connector 52 are each connected to a drive device, so that the first connector 51 and the second connector 52 can move independently, so that the movable beam 3 and the indentation knife 6 can be controlled separately.

[0047] Example 2

[0048] This utility model also provides a transverse grooving and creasing mechanism, which includes at least two transverse grooving and creasing structures as described above. The at least two transverse grooving and creasing structures are arranged side by side. The cardboard 1 passes through each transverse grooving and creasing structure in sequence along the conveying direction. Each transverse grooving and creasing structure performs grooving and creasing processing on the cardboard 1 to meet the processing requirements of different parts of the same cardboard 1.

[0049] Furthermore, such as Figure 7 As shown, a conveyor roller 38 can be added between two adjacent transverse slotting and creasing structures to convey the cardboard 1, so that the cardboard 1 can be conveyed from one transverse slotting and creasing structure to the next transverse slotting and creasing structure, thereby realizing automatic processing.

[0050] This utility model is not limited to the above-described preferred embodiments. Anyone can derive other forms of products under the guidance of this utility model. However, regardless of any changes made in their shape or structure, any technical solution that is the same as or similar to this application falls within the protection scope of this utility model.

Claims

1. A cross-slotted indentation structure, characterized in that, The system includes a support platform (2) for supporting the cardboard (1), a movable beam (3) on one side of the support platform (2), a grooving knife (4) slidably connected to the movable beam (3), a connector (5) fixed to the movable beam (3), a drive assembly connected to the connector, the drive assembly driving the connector (5) to move up and down, the grooving knife (4) moving up and down with the connector (5), the connector (5) having an indentation knife (6) moving with the connector (5), and the support platform (2) having a first clearance groove (7) for the indentation knife (6) to pass through; it also includes a pressing platform (28) for pressing down the cardboard (1), the pressing platform (28) being located above the support platform (2) and being able to move up and down relative to the support platform (2).

2. The cross-slotted indentation structure of claim 1, wherein, The grooving knife (4) and the creasing knife (6) are located at the upper and lower positions of the cardboard (1), respectively. The lower pressing table (28) is provided with a second clearance groove (29) for the grooving knife (4) to pass through.

3. The cross-slotted indentation structure of claim 1, wherein, The connecting parts include a first connecting part and a second connecting part. The movable beam is fixed to the first connecting part, and the indentation knife is fixed to the second connecting part. When the first connecting part and the second connecting part are integrated or driven by a driving device and move synchronously, the movable beam and the indentation knife move synchronously. When the first connecting part and the second connecting part are driven by their respective driving devices, the movable beam (3) and the indentation knife move independently.

4. The cross-slotted indentation structure of claim 1, wherein, The number of grooving cutters (4) is two or more, and they are distributed sequentially along the length of the indentation cutter (6).

5. The cross-slotted indentation structure of claim 3, wherein, The lower pressure platform (28) moves up and down by a drive structure. The drive structure includes a first base (30) located at both ends of the lower pressure platform (28). Each first base (30) is provided with a first lead screw pair structure (31). The lead screw of the first lead screw pair structure (31) is arranged in the same direction as the first connecting member (51). The lead screw of the first lead screw pair structure (31) is connected to a first worm gear structure (32). The nut of the first lead screw pair structure (31) is connected to both ends of the lower pressure platform (28). One of the first worm gear structures (32) is provided with a fourth drive member (33). A first synchronizing rod (34) is provided between the two first worm gear structures (32).

6. The cross-slotted indentation structure of claim 3, wherein, The drive assembly includes an eccentric structure connected to the second connector (52). The eccentric structure includes an eccentric wheel (8) and a mounting part (9) fixed to the eccentric wheel (8) and rotating with the eccentric wheel (8). The mounting part (9) is movably connected to the second connector (52). The eccentric wheels (8) of the two second connectors (52) are connected by a connecting shaft (10). The connecting shaft (10) is provided with a first drive member (11) that drives the connecting shaft (10) to rotate, so that the second connector (52) moves up and down under the drive of the eccentric structure.

7. The cross-slotted indentation structure of claim 6, wherein, The drive assembly also includes a lifting structure, which includes a second seat (12). The second seat (12) is provided with a second lead screw pair structure (13). The lead screw of the second lead screw pair structure (13) is arranged in the same direction as the second connecting member (52). The lead screw of the second lead screw pair structure (13) is connected to a second worm gear structure (14). A second drive member (15) and a second synchronizing rod (16) are provided between the two second worm gear structures (14) to drive the two lead screws to rotate synchronously. A telescopic rod (17) is provided at the top of the lead screw. The telescopic rod (17) performs up and down telescopic movements under the joint drive of the lead screw and the second worm gear structure (14). A lifting seat (18) is provided on the telescopic rod (17) and moves with the telescopic rod (17). The two ends of the connecting shaft (10) pass through the eccentric wheel (8) and are rotatably connected to the lifting seat (18).

8. The cross-slotted indentation structure of claim 7, wherein, The drive assembly also includes a first slide rail (19) extending along the telescopic direction of the telescopic rod (17), on which a first guide block (20) is slidably fitted, and the first guide block (20) is connected to the lifting seat (18).

9. The cross-slotted indentation structure of claim 1, wherein, The grooving cutter (4) includes a base (41), which is slidably connected to the movable beam (3) via a transmission mechanism. The base (41) is provided with a grooving cutter (42), which extends along the length of the movable beam (3).

10. The transverse slotted indentation structure according to claim 9, characterized in that, The transmission mechanism includes a rack (23) arranged along the length of the movable beam (3), a gear (24) meshing with the rack (23) on the base (41), a third driving member (25) driving the gear (24) to rotate on the base (41), a second slide rail (26) along the length of the movable beam (3), and a second guide block (27) slidingly engaging with the second slide rail (26) on the base (41).

11. The transverse slotted indentation structure according to claim 9, characterized in that, The transmission mechanism is a lead screw pair, the lead screw of the lead screw pair is arranged along the length direction of the movable beam (3), the nut in the lead screw pair is connected to the base (41), and the movable beam (3) is provided with a drive device for driving the lead screw to rotate.

12. The cross-slotted indentation structure of claim 9, wherein, The transmission mechanism is a conveyor belt structure, which includes a conveyor belt arranged along the length of the movable beam (3). A fixed seat is fixed on the conveyor belt. The fixed seat moves with the transmission of the conveyor belt. The fixed seat is provided with a positioning hole (22). The base (41) is provided with a retractable positioning pin. When the fixed seat moves to the positioning hole (22) and aligns with the positioning pin, the positioning pin extends into the positioning hole (22) and forms a fixed connection, so that the fixed seat drives the base (41) to move back and forth.

13. A cross-slot marking mechanism characterized by, The transverse slotting and indentation structure includes any one of the transverse slotting and indentation structures described in claims 1 to 12, wherein at least two transverse slotting and indentation structures are arranged side by side to process the paperboard (1) in sequence.

14. The cross-slot marking mechanism of claim 13, wherein, A conveyor roller (38) for conveying the cardboard (1) is provided between adjacent transverse slotting and creasing structures.