Slitting mechanism of rewinding machine

The cutter distance is adjusted by an electric push rod and a scale, and the dust is handled by a dust suction mechanism and a filter, which solves the convenience and safety problems of the rewinder's slitting mechanism and realizes convenient adjustment of the cutter distance and efficient cleaning of dust.

CN223354436UActive Publication Date: 2025-09-19琥珀纸业有限责任公司
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Patent Information

Application Number
CN202422794390.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-16
Publication Date
2025-09-19
Estimated Expiration
2034-11-16

AI Technical Summary

Technical Problem

The existing rewinder slitting mechanism requires manual adjustment of the cutter distance, which is inconvenient and the dust disposal is not easy to clean.

Method used

The electric push rod and scale are used to adjust the cutting distance, and the dust is handled by the combination of dust collection mechanism and filter screen.

Benefits of technology

The convenient adjustment of the cutting distance and the convenient cleaning of dust are realized, and the convenience and safety of the slitting mechanism are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a slitting mechanism of a rewinding machine, which belongs to the technical field of rewinding machines and comprises a bearing frame, a dust collection mechanism is arranged on the inner side of the bearing frame, a slitting roller is rotatably connected onto the bearing frame, a fixed cutter is fixedly sleeved in the middle of the outer side of the slitting roller, a plurality of sliding grooves are arranged on the outer side of the slitting roller, and the sliding grooves are communicated with the dust collection mechanism. A plurality of movable cutters are slidably connected to the sliding grooves and located on the outer side of the slitting roller. According to the paper slitting device, the slitting roller, the fixed cutters, the sliding grooves, the movable cutters, the electric push rod and the graduated scale are used in cooperation, the electric push rod is used for driving the multiple movable cutters to move on the outer side of the slitting roller before paper is slit, and therefore the distance between the fixed cutters and the movable cutters and the distance between the movable cutters are electrically adjusted; meanwhile, the distance between the fixed cutter and the movable cutter and the distance between the movable cutters are visually controlled through the graduated scale, and the problem of manual adjustment is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of rewinding machines, and more specifically, to a slitting mechanism of a rewinding machine. Background Art

[0002] Rewinding machines are generally used for rewinding and slitting mica tapes, paper, and films, and play the role of cutting them in two. They are often used to slit wide rolls of material, and play an important role in subsequent re-slitting. They are special equipment for paper, mica tapes, and films.

[0003] After searching, the utility model patent with publication number CN216105199U discloses a slitting mechanism for a rewinder, including a carrier, a feed guide roller and a discharge guide roller, the feed guide roller is installed on one side of the upper end of the carrier, a dividing roller is installed on one side of the feed guide roller, a slitting roller is installed on one side of the dividing roller, and the discharge guide roller is installed on one side of the slitting roller; this patent can make the cutting blade of the slitting mechanism adopt a sliding structure through the design of the cutter, slide groove, slider and limit bolt, so that the slitting mechanism can flexibly adjust the slitting size of the paper, thereby improving the flexibility of the slitting mechanism; through the design of the dust collecting box, filter screen, exhaust fan and exhaust groove, the slitting mechanism can have a dust adsorption function, so that the slitting mechanism can adsorb the dust generated when cutting paper, avoid affecting the working environment of the staff, thereby improving the safety of the slitting mechanism.

[0004] However, the above patent has the following shortcomings: the distance between the cutters needs to be manually adjusted, which is inconvenient to control and requires the use of tools such as a tape measure. In addition, after the dust generated by slitting is collected in a dust box, it is difficult to remove the dust from the dust box. To address this problem, we propose a slitting mechanism for a rewinder. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the present invention is to provide a slitting mechanism for a rewinding machine.

[0006] In order to solve the above problems, the present invention adopts the following technical solutions:

[0007] A slitting mechanism of a rewinder comprises a carrier frame, a dust suction mechanism is provided on the inner side of the carrier frame, a slitting roller is rotatably connected to the carrier frame, a fixed slitting knife is fixedly sleeved on the middle part of the outer side of the slitting roller, a plurality of slide grooves are provided on the outer side of the slitting roller, a plurality of movable cutters are slidably connected on the plurality of slide grooves and located on the outer side of the slitting roller, an electric push rod is fixedly installed between the fixed cutter and two of the movable cutters and between two adjacent movable cutters, the electric push rod is located in the inner cavity of the slide groove, a scale is provided on the outer side of the slitting roller, a tying mechanism is provided on the carrier frame, and a control panel is fixedly installed on the outer side of the carrier frame.

[0008] As a preferred solution of the present invention, the dust suction mechanism includes a dust suction box fixedly connected to the inner side of the carrier frame, a placement slot is provided on the side of the dust suction box, a mounting slot is provided inside the dust suction box, a plurality of air suction slots are provided at the bottom of the inner cavity of the placement slot, the bottom ends of the plurality of air suction slots are communicated with the inner cavity of the mounting slot, two dust suction ports are provided on the top surface of the dust suction box, a plurality of suction fans are fixedly installed in the inner cavity of the mounting slot, the input ends of the plurality of suction fans are fixedly connected to suction hoods, the top end of the suction hoods are movably connected to the inner cavity of the suction slot, the output ends of the suction fans all extend to the bottom of the dust suction box, the inner cavity of the placement slot is provided with a dust box, two handles are fixedly installed on the side of the dust box, and a filter is fixedly connected to the bottom of the inner cavity of the dust box.

[0009] As a preferred solution of the present invention, the tying mechanism includes a tying roller rotatably connected to the top of the carrier and a carrier plate fixedly installed on the inner side of the carrier, the top of the carrier plate is provided with a tying needle, and the side of the tying roller is provided with multiple protrusions.

[0010] As a preferred solution of the present invention, the top of one end of the carrier is rotatably connected to a feed guide roller, and the top of the other end of the carrier is rotatably connected to a discharge guide roller.

[0011] As a preferred solution of the present invention, the dust collection box is located directly below the slitting roller, and the bottom ends of the fixed cutter and the movable cutter are in contact with the top surface of the dust collection box.

[0012] As a preferred solution of the present invention, the outer side of the dust collecting box is in contact with the inner wall of the placement groove.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] (1) In the present invention, by using a slitting roller, a fixed cutter, a slide, a movable cutter, an electric push rod and a scale in combination, the electric push rod is used to drive multiple movable cutters to move outside the slitting roller before slitting the paper, so as to electrically adjust the distance between the fixed cutter and the movable cutter, and between the movable cutters. At the same time, the scale is used to intuitively control the distance between the fixed cutter and the movable cutter, and between the movable cutters, thereby avoiding the problem of manual adjustment.

[0015] (2) In the present invention, during slitting, a suction fan is used to generate suction at the two suction ports on the top of the dust box, and the two suction ports are used to suck dust from both sides of the paper slitting position, so that the dust generated by slitting enters the inner cavity of the dust box, and the dust is filtered and retained by the filter. When slitting is completed, the dust box is directly pulled out of the inner cavity of the placement slot so that the dust filtered by the filter can be processed, thereby realizing the function of convenient dust processing and having good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic structural diagram of the slitting roller of the utility model;

[0018] Figure 3 This is a schematic structural diagram of the dust collection mechanism of the present utility model;

[0019] Figure 4 This is an explosion diagram of the dust collection mechanism of the utility model;

[0020] Figure 5 It is a cross-sectional schematic diagram of the dust collection mechanism of the present utility model.

[0021] Description of the numbers in the figure:

[0022] 1. Carrying frame; 2. Dust collection mechanism; 3. Slitting roller; 4. Fixed cutter; 5. Slide; 6. Moving cutter; 7. Electric push rod; 8. Scale; 9. Control panel; 10. Dust collection box; 11. Mounting slot; 12. Placement slot; 13. Dust suction port; 14. Suction slot; 15. Suction fan; 16. Suction hood; 17. Dust collection box; 18. Filter; 19. Handle; 20. Discharge guide roller; 21. Feed guide roller; 22. Bundling mechanism; 23. Bundling roller; 24. Carrier plate; 25. Bundling needle; 26. Bump. DETAILED DESCRIPTION

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts are within the scope of protection of the present invention.

[0024] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "mounted / connected," and "connected" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to the specific circumstances.

[0026] Example:

[0027] See also Figure 1-5 A slitting mechanism of a rewinding machine includes a carrier frame 1, a dust suction mechanism 2 is provided on the inner side of the carrier frame 1, a slitting roller 3 is rotatably connected to the carrier frame 1, a fixed slitting knife 4 is fixedly sleeved on the middle part of the outer side of the slitting roller 3, a plurality of chutes 5 are provided on the outer side of the slitting roller 3, a plurality of movable cutters 6 are slidably connected on the plurality of chutes 5 and located on the outer side of the slitting roller 3, an electric push rod 7 is fixedly installed between the fixed cutter 4 and two of the movable cutters 6 and between two adjacent movable cutters 6, the electric push rod 7 is located in the inner cavity of the chute 5, a scale 8 is provided on the outer side of the slitting roller 3, a bundling mechanism 22 is provided on the carrier frame 1, and a control panel 9 is fixedly installed on the outer side of the carrier frame 1.

[0028] In this embodiment, a control panel 9 is used to uniformly control multiple electric push rods 7, and the electric push rods 7 are used to drive the distance between the fixed cutter 4 and two of the movable cutters 6, as well as the distance between two adjacent movable cutters 6, to move synchronously, ensuring that the distance between the fixed cutter 4 and the movable cutter 6, and the distance between the movable cutters 6 and the movable cutters 6 are equal, and the distance is controlled by a ruler 8 at the same time.

[0029] For details, please refer to Figure 1 、 Figure 3 、 Figure 4 and Figure 5 The dust collection mechanism 2 includes a dust collection box 10 fixedly connected to the inner side of the carrier frame 1, a placement slot 12 is provided on the side of the dust collection box 10, and a mounting slot 11 is provided inside the dust collection box 10. The bottom of the inner cavity of the placement slot 12 is provided with a plurality of suction slots 14, and the bottom ends of the plurality of suction slots 14 are connected to the inner cavity of the mounting slot 11. Two dust suction ports 13 are provided on the top surface of the dust collection box 10, and the inner cavity of the mounting slot 11 is fixedly installed with a plurality of suction fans 15. The input ends of the plurality of suction fans 15 are fixedly connected with suction hoods 16, and the top ends of the suction hoods 16 are movably connected to the inner cavity of the suction slot 14. The output ends of the suction fans 15 all extend to the bottom of the dust collection box 10, and the inner cavity of the placement slot 12 is provided with a dust box 17. Two handles 19 are fixedly installed on the sides of the dust box 17, and a filter screen 18 is fixedly connected to the bottom of the inner cavity of the dust box 17.

[0030] For details, please refer to Figure 1 The tying mechanism 22 includes a tying roller 23 rotatably connected to the top of the carrier 1 and a carrier plate 24 fixedly mounted on the inner side of the carrier 1. A tying needle 25 is provided on the top of the carrier plate 24, and a plurality of protrusions 26 are provided on the side of the tying roller 23.

[0031] For details, please refer to Figure 1 The top of one end of the carrier frame 1 is rotatably connected to a feed guide roller 21 , and the top of the other end of the carrier frame 1 is rotatably connected to a discharge guide roller 20 .

[0032] In this embodiment, the paper to be cut is guided into the inner side of the carrier 1 by the feed guide roller 21 for cutting, the cut paper is guided out by the discharge guide roller 20, and the cut paper is wound up by the subsequent winding equipment.

[0033] For details, please refer to Figures 1 to 3 The dust box 10 is located directly below the slitting roller 3, and the bottom ends of the fixed cutter 4 and the movable cutter 6 are in contact with the top surface of the dust box 10.

[0034] In this embodiment, it is ensured that the fixed cutter 4 and the movable cutter 6 can cut the paper passing through the top of the dust collection box 10 .

[0035] For details, please refer to Figures 3 to 5 The outer side of the dust collecting box 17 is in contact with the inner wall of the placement groove 12.

[0036] In this embodiment, it is ensured that the dust box 17 can be stably placed in the inner cavity of the placement groove 12.

[0037] Working principle: When in use, the staff first connects the carrier 1 firmly to the rewinder, and makes the feed guide roller 21, the plucking roller 23, the slitting roller 3 and the transmission belt at the end of the discharge guide roller 20 rotate synchronously, and then the paper is allowed to enter the slitting mechanism through the feed guide roller 21, and is intermittently squeezed by the protrusion 26, so that the paper can intermittently contact the plucking needle 25, and the paper can be pre-processed for segmentation. After segmentation, the paper passes through the fixed cutter 4 and the movable cutter 6, and the fixed cutter 4 and the movable cutter 6 are used to smoothly cut the paper. In addition, before cutting, the control panel 9 is used to drive the multiple electric push rods 7 on the slitting roller 3 to start, and the electric push rod 7 is used to drive the multiple movable cutters 6 on the side of the fixed cutter 4 to move synchronously, thereby adjusting the fixed cutter 4 and the movable cutter 6, the movable cutter 6 and the movable cutter The distance between the blades 6 is adjusted, and the slitting width is adjusted. At the same time, the distance between the fixed cutter 4 and the movable cutter 6, and the distance between the movable cutter 6 and the movable cutter 6 are intuitively controlled by the scale 8. Then the staff turns on the suction fan 15 to make the suction hood 16 generate suction, and the suction hood 16 draws air from the dust collecting box 17 in the inner cavity of the placement groove 12, so that the dust suction port 13 generates suction, and the suction force of the dust suction port 13 is used to suck the dust generated when cutting the paper into the inner cavity of the dust collecting box 17, and the dust is filtered and intercepted by the filter screen 18 at the bottom of the dust collecting box 17, so as to avoid affecting the working environment of the staff. After the slitting is completed, the dust collecting box 17 is directly pulled out from the inner cavity of the placement groove 12 so as to process the dust filtered by the top surface of the filter screen 18 in the inner cavity of the dust collecting box 17. Finally, the paper is led out by the discharge guide roller 20 and reeled up by the rewinding mechanism of the rewinder.

[0038] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and improved ideas of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A slitting mechanism for a rewinding machine, comprising a carrier frame (1), characterized in that: A dust collecting mechanism (2) is provided on the inner side of the carrier (1); a slitting roller (3) is rotatably connected to the carrier (1); a fixed cutter (4) is fixedly sleeved on the middle part of the outer side of the slitting roller (3); a plurality of chutes (5) are provided on the outer side of the slitting roller (3); a plurality of movable cutters (6) are slidably connected on the plurality of chutes (5) and located on the outer side of the slitting roller (3); an electric push rod (7) is fixedly installed between the fixed cutter (4) and two of the movable cutters (6) and between two adjacent movable cutters (6); the electric push rod (7) is located in the inner cavity of the chute (5); a scale (8) is provided on the outer side of the slitting roller (3); a separating mechanism (22) is provided on the carrier (1); and a control panel (9) is fixedly installed on the outer side of the carrier (1).

2. The slitting mechanism of a rewinding machine according to claim 1, characterized in that: The dust collection mechanism (2) comprises a dust collection box (10) fixedly connected to the inner side of the carrier (1), a placement slot (12) is provided on the side of the dust collection box (10), a mounting slot (11) is provided inside the dust collection box (10), a plurality of air suction slots (14) are provided at the bottom of the inner cavity of the placement slot (12), the bottom ends of the plurality of air suction slots (14) are connected to the inner cavity of the mounting slot (11), two dust collection ports (13) are provided on the top surface of the dust collection box (10), and the inner cavity of the mounting slot (11) is fixedly provided with a plurality of air suction slots (14). A plurality of suction fans (15) are fixedly installed, and the input ends of the plurality of suction fans (15) are fixedly connected to suction covers (16), and the top ends of the suction covers (16) are movably sleeved to the inner cavity of the suction groove (14). The output ends of the suction fans (15) all extend to the bottom of the dust collection box (10), and the inner cavity of the placement groove (12) is sleeved with a dust collection box (17). Two handles (19) are fixedly installed on the side of the dust collection box (17), and a filter screen (18) is fixedly sleeved at the bottom of the inner cavity of the dust collection box (17).

3. The slitting mechanism of a rewinding machine according to claim 1, characterized in that: The tying mechanism (22) comprises a tying roller (23) rotatably connected to the top of the carrier (1) and a carrier plate (24) fixedly mounted on the inner side of the carrier (1); a tying needle (25) is provided on the top of the carrier plate (24); and a plurality of protrusions (26) are provided on the side of the tying roller (23).

4. The slitting mechanism of a rewinding machine according to claim 1, characterized in that: The top of one end of the carrier frame (1) is rotatably connected to a feed guide roller (21), and the top of the other end of the carrier frame (1) is rotatably connected to a discharge guide roller (20).

5. The slitting mechanism of a rewinding machine according to claim 2, characterized in that: The dust collecting box (10) is located directly below the slitting roller (3), and the bottom ends of the fixed cutter (4) and the movable cutter (6) are in contact with the top surface of the dust collecting box (10).

6. The slitting mechanism of a rewinding machine according to claim 2, characterized in that: The outer side of the dust collecting box (17) is in contact with the inner wall of the placement groove (12).

Citation Information

Patent Citations

  • Slitting mechanism for rewinding machine

    CN216105199U