Scribing and slitting mechanism

By scribing and slicing mechanisms that mark the cut grooves on the can blank, the problem that the traditional push mechanism cannot handle the tank height less than 50mm is solved, and the rapid processing and efficiency improvement of the can blank are achieved.

CN222344331UActive Publication Date: 2025-01-14SHANTOU CHENGHAI CHENGXING MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202420218789.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-27
Publication Date
2025-01-14
Estimated Expiration
2034-01-27

AI Technical Summary

Technical Problem

The traditional push mechanism cannot push the can blank with a can body height less than 50mm to the welding point of the welding equipment, resulting in the need to replace the push mechanism, which is cumbersome and time-consuming.

Method used

A scribing and slicing mechanism is designed, including a feeding mechanism and a cutting knife, which marks a cut groove with a depth less than the thickness on the metal sheet by an annular cutter, allowing cutting into a can blank with a tank body of a tank body of more than 50mm. Two cans less than 50mm to avoid replacing the push mechanism.

Benefits of technology

It realizes that the canned body with a tank height of less than 50mm without replacing the push mechanism, which improves the processing speed and efficiency and meets customer needs.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222344331U_ABST
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Abstract

The utility model relates to a scribing and slitting mechanism, which belongs to the field of metal cans and is provided with a feeding roller set, a cutter roller set and a discharging roller set, and metal sheets are conveyed by the feeding roller set to enter the cutter roller set and discharged by the discharging roller set. The cutter roller pair conveys the metal sheet to the discharging roller set while cutting the metal sheet through the cutter mechanism, and when the cutter mechanism cuts the metal sheet, a notch groove with the depth smaller than the thickness of the metal sheet is formed in the metal sheet, so that when a client needs to machine a can blank with the can body height smaller than 50 mm, the pushing mechanism does not need to be replaced, and the machining efficiency is improved. The notch groove is carved in the surface of the outer side of the metal sheet, after the can blank body with the can body height larger than 50 mm is welded, the can blank body with the can body height larger than 50 mm can be cut into two can blank bodies with the can body height smaller than 50 mm along the notch groove, and the machining speed of the can blank bodies can be increased while customer requirements are met.
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Description

Technical Field

[0001] The utility model relates to the technical field of metal cans, and more specifically to a scoring and cutting mechanism. Background Art

[0002] As is well known, when making cans, the metal sheet is first taken off a stacking platform, and then sent to a rounding machine to form a can body. The formed can body is pushed to the welding position in the welding equipment by a pushing mechanism for welding.

[0003] The traditional pushing mechanism can push cans with a can body height of 50mm-60mm to the welding point of the welding equipment. However, when the customer needs to process cans with a can body height less than 50mm, the traditional pushing mechanism cannot push the cans with a can body height less than 50mm to the welding point of the welding equipment. At this time, the entire pushing mechanism needs to be replaced with a pushing mechanism suitable for cans with a can body height less than 50mm. Replacing the pushing mechanism is troublesome, time-consuming and labor-intensive. Utility Model Content

[0004] The technical problem to be solved by the present invention is that the traditional pushing mechanism cannot push the can blank with a can body height less than 50 mm to the welding point of the welding equipment. At this time, the entire pushing mechanism needs to be replaced with a pushing mechanism adapted to the can blank with a can body height less than 50 mm. However, replacing the pushing mechanism is troublesome, time-consuming and labor-intensive. In view of the above-mentioned defects of the prior art, a scoring and cutting mechanism is provided.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] Construct a scoring and slitting mechanism, comprising:

[0007] A feeding mechanism, the feeding mechanism comprising a feed roller group, a cutter roller group and a discharge roller group which are arranged in sequence transversely, a support member is arranged between the feed roller group and the cutter roller group and between the cutter roller group and the discharge roller group, and a limiting guide member for limiting the displacement direction of the metal sheet is arranged on the support member;

[0008] The cutting mechanism comprises an annular cutting knife arranged on the cutting roller group, the annular cutting knife can form a cutting groove with a depth less than the thickness of the metal sheet on the metal sheet, and a cutting knife avoidance groove is arranged on the top of the supporting member.

[0009] Preferably, the feed roller group includes a lower feed roller, the cutter roller group includes an upper cutter roller and a lower cutter roller, the discharging roller group includes an upper discharging roller and a lower discharging roller, the lower feed roller, the lower cutter roller and the lower discharging roller are at the same horizontal height, and the upper cutter roller and the upper discharging roller are at the same horizontal height.

[0010] Preferably, an annular mounting groove is provided on the upper cutter roller and / or the lower cutter roller, the annular cutter sleeve is arranged in the annular mounting groove, and the distance that the annular cutter protrudes from the upper cutter roller and / or the lower cutter roller is less than the thickness of the metal sheet.

[0011] Preferably, the support member includes a first supporting plate, grooves are provided on both sides of the top of the first supporting plate, the limiting guide member is arranged in the grooves, and the limiting guide member includes a mounting column and a bearing arranged on the mounting column.

[0012] Preferably, it includes a first mounting vertical plate and a second mounting vertical plate that are arranged opposite to each other, and the support member includes a support plate arranged at the bottom of the first supporting plate, and the support plate is arranged between the first mounting vertical plate and the second mounting vertical plate and is connected to the first mounting vertical plate and the second mounting vertical plate.

[0013] Preferably, the feed roller group, the cutting knife roller group and the discharging roller group are all rotationally connected to the first mounting vertical plate and the second mounting vertical plate, the cutting knife lower roller and the feed lower roller are rotationally connected in the same direction via a first linkage assembly, the cutting knife upper roller and the feed lower roller are rotationally connected in the opposite direction via a second linkage assembly, and the cutting knife lower roller and the discharging lower roller are rotationally connected in the same direction via a third linkage assembly.

[0014] Preferably, a support seat is further provided between the two vertical mounting plates, a second supporting plate is provided on the top of the support seat, and the metal sheet can be transported to the feed roller assembly through the second supporting plate.

[0015] Preferably, at least one end of the feed lower roller, the cutter upper roller, the cutter lower roller, the discharge upper roller and the discharge lower roller is transmission-connected with an idler wheel.

[0016] Preferably, the first linkage assembly comprises a first transmission belt;

[0017] The second linkage assembly includes a second transmission belt and a first tensioning wheel set arranged on the first mounting plate, wherein the first tensioning wheel set can adjust the tightness of the second transmission belt and make the lower feed roller and the upper cutter roller rotate in opposite directions;

[0018] The third linkage assembly includes a third conveyor belt and a second tensioning wheel set, wherein the second tensioning wheel set can adjust the tightness of the third conveyor belt and enable the cutter lower roller and the discharge lower roller to rotate in the same direction.

[0019] Preferably, the feed lower roller, the cutter upper roller, the cutter lower roller, and the discharge lower roller are driven to rotate by a first motor, and the discharge upper roller is driven to rotate by a second motor.

[0020] The beneficial effect of the utility model is that the utility model is provided with a feed roller group, a cutter roller group and a discharging roller group, and the metal sheet enters the cutter roller group under the transportation of the feed roller group, and the cutter roller cuts the metal sheet passing through the cutter mechanism and transports the metal sheet to the discharging roller group at the same time, and the cutter mechanism causes a cutting groove with a depth less than its thickness to the metal sheet when cutting the metal sheet, so that when the customer needs to process a can blank with a can body height less than 50mm, there is no need to replace the pushing mechanism, and by engraving a cutting groove on the outer surface of the metal sheet, after the can blank with a can body height greater than 50mm is welded, a can blank with a can body height greater than 50mm can be cut into two can blanks with a can body height less than 50mm along the cutting groove, while meeting customer needs, it can also speed up the processing speed of the can blank. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work:

[0022] Figure 1 It is an overall axonometric schematic diagram of the utility model.

[0023] Figure 2 It is another overall axonometric schematic diagram of the utility model.

[0024] Figure 3 It is a top view schematic diagram of the utility model.

[0025] Figure 4 It is a front schematic diagram of the utility model.

[0026] The accompanying drawings are marked as follows:

[0027] 101.1, lower feed roller; 102, cutter roller assembly; 102.1, annular cutter; 102.2, upper cutter roller; 102.3, lower cutter roller; 102.4, annular mounting groove; 103, discharge roller assembly; 103.1, upper discharge roller; 103.2, lower discharge roller;

[0028] 3. Support member; 301. Cutter avoidance groove; 302. First supporting plate; 302.1. Groove; 303. Support plate;

[0029] 4. Position limiting guide; 401. Mounting column; 402. Bearing;

[0030] 5. First install the vertical plate;

[0031] 6. Install the second vertical plate;

[0032] 701, first transmission belt;

[0033] 801, second transmission belt; 802.1, first tensioner; 802.2, second tensioner; 802.3, third tensioner;

[0034] 901, third conveyor belt; 902.1, fourth tensioning wheel; 902.2, fifth tensioning wheel;

[0035] 10. Support seat; 1001. Second supporting plate;

[0036] 11.1, idler wheel at the first end of the lower feed roller; 11.2, idler wheel at the first end of the upper cutter roller; 11.3, idler wheel at the first end of the lower cutter roller; 11.4, idler wheel at the first end of the lower discharge roller; 11.5, idler wheel at the second end of the lower feed roller; 11.6, upper idler wheel at the second end of the lower cutter roller;

[0037] 12. The first motor;

[0038] 13. Second motor. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described clearly and completely in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0040] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0041] In the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0042] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiments of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0043] The utility model is implemented as follows Figure 1-Figure 4 As shown in , it relates to a scoring and cutting mechanism, including:

[0044] A feeding mechanism and a cutting mechanism, wherein the feeding mechanism comprises a feed roller set, a cutting roller set 102 and a discharge roller set 103 which are arranged in sequence, a support member 3 is arranged between the feed roller set and the cutting roller set 102 and between the cutting roller set 102 and the discharge roller set 103, and a limiting guide member 4 for limiting the displacement direction of the metal sheet is arranged on the support member 3;

[0045] The cutting mechanism includes an annular cutting knife 102.1 arranged on a cutting knife roller group 102, and the annular cutting knife 102.1 can form an incision groove with a depth less than its thickness on the metal sheet, and a cutting knife avoidance groove 301 is arranged on the top of the support member 3; further, the utility model is provided with a feed roller group, a cutting knife roller group 102 and a discharge roller group 103, and the metal sheet enters the cutting knife roller group 102 under the transportation of the feed roller group, and the cutting knife roller cuts the metal sheet passing through the cutting mechanism and transports the metal sheet to the discharge roller group 103 at the same time. When the cutting mechanism cuts the metal sheet, it will form a longitudinal incision groove of one third of its thickness on the metal sheet, and there is a gap between the feed roller group and the cutting knife roller group 102 and between the cutting knife roller group 102 A support member 3 is provided between the feed roller group 103 to support the metal sheet and transport it from the feed roller group to the cutter roller group 102, and from the cutter roller group 102 to the discharge roller group 103, and the cut metal sheet is transported to the next processing device by the discharge roller group 103. Furthermore, when the customer needs to process a can body with a can body height less than 50 mm, the utility model does not need to replace the pushing mechanism. By engraving a cutting groove on the outer surface of the metal sheet, after the welding of the can body with a can body height greater than 50 mm is completed, a can body with a can body height greater than 50 mm can be cut into two can bodies with a can body height less than 50 mm along the cutting groove. While meeting customer needs, it can also speed up the processing speed of the can body.

[0046] In this embodiment, see Figure 1-Figure 2 The feed roller group includes a feed lower roller 101.1, the cutter roller group 102 includes a cutter upper roller 102.2 and a cutter lower roller 102.3, and the discharge roller group 103 includes a discharge upper roller 103.1 and a discharge lower roller 103.2. The feed lower roller 101.1, the cutter lower roller 102.3 and the discharge lower roller 103.2 are at the same level, and the cutter upper roller 102.2 and the discharge upper roller 103.1 are at the same level. Further, the cutter upper roller 102.2 and / or the cutter lower roller 102.3 are provided with an annular mounting groove 102.4, and the annular cutter 102.1 is sleeved in the annular mounting groove 102.4. The annular cutter 102.1 The distance between the protruding upper cutter roller 102.2 and / or the lower cutter roller 102.3 is less than the thickness of the metal sheet. The metal sheet can be transported between the upper cutter roller 102.2 and the lower cutter roller 102.3 through the feed lower roller 101.1. In this embodiment, an annular mounting groove 102.4 is arranged on the upper cutter roller 102.2. The metal sheet is cut by the annular cutter 102.1 arranged in the annular mounting groove 102.4, and a longitudinal cutting groove is formed on the top of the metal sheet. At the same time, the upper cutter roller 102.2 and the lower cutter roller 102.3 will transport the cut metal sheet between the upper discharge roller 103.1 and the lower discharge roller 103.2.

[0047] In this embodiment, the support member 3 includes a first supporting plate 302, and grooves 302.1 are provided on both sides of the top of the first supporting plate 302. The limiting guide member 4 is arranged in the groove 302.1. The limiting guide member 4 includes a mounting column 401 and a bearing 402 arranged on the mounting column 401. Further, the support member 3 includes a support plate 303 arranged at the bottom of the first supporting plate 302, and the support plate 303 is arranged between the first mounting vertical plate 5 and the second mounting vertical plate 6 and is connected to the first mounting vertical plate 5 and the second mounting vertical plate 6. In this embodiment, the support plate 3 03 serves to support the top surface of the first supporting plate 302 to the same height as the lower feed roller 101.1, the lower cutter roller 102.3 and the lower discharge roller 103.2, so that the metal sheet can be smoothly transported from the lower feed roller 101.1 to the lower cutter roller 102.3 and from the lower cutter roller 102.3 to the lower discharge roller 103.2. The limiting guide 4 includes a mounting column 401 and a bearing 402 arranged on the mounting column 401, so that the guide can reduce the friction between the guide and the metal sheet as much as possible while guiding the limit.

[0048] In this embodiment, see Figure 1-Figure 4 , the feed roller group, the cutter roller group 102 and the discharge roller group 103 are all rotatably connected to the first mounting vertical plate 5 and the second mounting vertical plate 6, the cutter lower roller 102.3 and the feed lower roller 101.1 are rotatably connected in the same direction through the first linkage assembly, the cutter upper roller 102.2 and the feed lower roller 101.1 are rotatably connected in the opposite direction through the second linkage assembly, and the cutter lower roller 102.3 and the discharge lower roller 103.2 are rotatably connected in the same direction through the third linkage assembly. Further, in the present embodiment, at least one end of the feed lower roller 101.1, the cutter upper roller 102.2, the cutter lower roller 102.3, the discharge upper roller 103.1 and the discharge lower roller 103.2 are transmission-connected with an idler wheel;

[0049] The first linkage assembly includes a first transmission belt 701;

[0050] The second linkage assembly includes a second transmission belt 801 and a first tensioning wheel 802.1 set arranged on the first mounting plate, wherein the first tensioning wheel 802.1 set can adjust the tightness of the second transmission belt 801 and make the lower feed roller 101.1 and the upper cutter roller 102.2 rotate in opposite directions;

[0051] The third linkage assembly includes a third conveyor belt 901 and a second tension wheel 802.2 set. The second tension wheel 802.2 set can adjust the tightness of the third conveyor belt 901 and make the cutter lower roller 102.3 and the discharge lower roller 103.2 rotate in the same direction.

[0052] In this embodiment, a support seat 10 is further arranged between the two mounting vertical plates, and a second supporting plate 1001 is arranged on the top of the support seat 10, and the metal sheet can be transported to the feed roller assembly through the second supporting plate 1001.

[0053] Specifically, the first tension wheel 802.1 group includes a first tension wheel 802.1, a second tension wheel 802.2 and a third tension wheel arranged on the first mounting plate, the first tension wheel 802.1 and the second tension wheel 802.2 are arranged on the left and right sides of the idle wheel 11.1 at the first end of the feed lower roller respectively, and the third tension wheel is arranged below the idle wheel 11.1 at the first end of the feed lower roller;

[0054] The second transmission belt 801 acts on the idler wheel 11.2 at the first end of the cutter upper roller, the second tensioner wheel 802.2, the first tensioner wheel 802.1, the third tensioner wheel, and the idler wheel 11.1 at the first end of the feed lower roller, thereby driving the cutter upper roller 102.2 and the feed lower roller 101.1 to rotate in the opposite direction;

[0055] The second tension wheel 802.2 assembly includes a fourth tension wheel 902.1 and a fifth tension wheel 902.2 arranged on the first mounting plate, the fourth tension wheel 902.1 is arranged below the idle wheel 11.3 at the first end of the cutter lower roller, and the inclination angle of the axis formed by connecting the center point of the idle wheel 11.3 at the first end of the cutter lower roller and the center point of the fourth tension wheel 902.1 is less than ninety degrees, and the fifth tension wheel 902.2 is arranged between the fourth tension wheel 902.1 and the idle wheel 11.4 at the first end of the discharge lower roller; the third transmission belt acts on the fourth tension wheel 902.1, the fifth tension wheel 902.2, the idle wheel 11.3 at the first end of the cutter lower roller, and the idle wheel 11.4 at the first end of the discharge lower roller, so that the idle wheel 11.3 at the first end of the cutter lower roller and the idle wheel 11.4 at the first end of the discharge lower roller rotate in the same direction;

[0056] The first transmission belt 701 acts on the idler wheel 11.5 at the second end of the feed lower roller and the idler wheel 11.6 at the second end of the cutter lower roller, so that the idler wheel 11.5 at the second end of the feed lower roller and the idler wheel 102.3 at the second end rotate in the same direction. In this embodiment, the first end of each roller is one end rotatably connected to the first mounting plate, and the second end of each roller is one end rotatably connected to the second mounting plate.

[0057] In this embodiment, the feed lower roller 101.1, the cutter upper roller 102.2, the cutter lower roller 102.3, and the discharge lower roller 103.2 are driven to rotate by the first motor 12, and the discharge upper roller 103.1 is driven to rotate by the second motor 13. Furthermore, the first motor 12 is arranged at the second end of the discharge lower roller 103.2, and the second motor 13 is arranged at the second end of the discharge upper roller 103.1.

[0058] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

Claims

1. A scoring and slitting mechanism, characterized in that: include: A feeding mechanism, the feeding mechanism comprising a feed roller group, a cutter roller group (102) and a discharge roller group (103) which are arranged in sequence in a transverse direction, a support member (3) being arranged between the feed roller group and the cutter roller group (102) and between the cutter roller group (102) and the discharge roller group (103), and a limit guide member (4) being arranged on the support member (3) for limiting the displacement direction of the metal sheet; A cutting mechanism, the cutting mechanism comprising an annular cutting knife (102.1) arranged on the cutting knife roller group (102), the annular cutting knife (102.1) can form a cutting groove with a depth less than the thickness of the metal sheet on the metal sheet, and a cutting knife avoidance groove (301) is arranged on the top of the support member (3).

2. A scoring and slitting mechanism according to claim 1, characterized in that: The feed roller group comprises a lower feed roller (101.1), the cutter roller group (102) comprises an upper cutter roller (102.2) and a lower cutter roller (102.3), and the discharge roller group (103) comprises an upper discharge roller (103.1) and a lower discharge roller (103.2); the feed lower roller (101.1), the cutter lower roller (102.3) and the discharge lower roller (103.2) are at the same level, and the cutter upper roller (102.2) and the discharge upper roller (103.1) are at the same level.

3. A scoring and slitting mechanism according to claim 2, characterized in that: An annular mounting groove (102.4) is provided on the upper cutter roller (102.2) and / or the lower cutter roller (102.3), the annular cutter (102.1) is sleeved in the annular mounting groove (102.4), and the distance by which the annular cutter (102.1) protrudes from the upper cutter roller (102.2) and / or the lower cutter roller (102.3) is less than the thickness of the metal sheet.

4. A scoring and slitting mechanism according to claim 2, characterized in that: The support member (3) comprises a first supporting plate (302), and grooves (302.1) are provided on both sides of the top of the first supporting plate (302). The limiting guide member (4) is arranged in the groove (302.1), and the limiting guide member (4) comprises a mounting column (401) and a bearing (402) arranged on the mounting column (401).

5. A scoring and slitting mechanism according to claim 4, characterized in that: It comprises a first mounting vertical plate (5) and a second mounting vertical plate (6) which are arranged opposite to each other, and the support member (3) comprises a support plate (303) arranged at the bottom of the first supporting plate (302), and the support plate (303) is arranged between the first mounting vertical plate (5) and the second mounting vertical plate (6) and is connected to the first mounting vertical plate (5) and the second mounting vertical plate (6).

6. A scoring and slitting mechanism according to claim 5, characterized in that: The feed roller group, the cutter roller group (102) and the discharge roller group (103) are all rotationally connected to the first mounting vertical plate (5) and the second mounting vertical plate (6); the cutter lower roller (102.3) and the feed lower roller (101.1) are rotationally connected in the same direction via a first linkage assembly; the cutter upper roller (102.2) and the feed lower roller (101.1) are rotationally connected in the opposite direction via a second linkage assembly; and the cutter lower roller (102.3) and the discharge lower roller (103.2) are rotationally connected in the same direction via a third linkage assembly.

7. A scoring and slitting mechanism according to claim 5, characterized in that: A support seat (10) is also arranged between the two mounting vertical plates, and a second supporting plate (1001) is arranged on the top of the support seat (10), and the metal sheet can be transported to the feed roller assembly through the second supporting plate (1001).

8. The scoring and slitting mechanism according to claim 2, characterized in that: At least one end of the feed lower roller (101.1), the cutter upper roller (102.2), the cutter lower roller (102.3), the discharge upper roller (103.1) and the discharge lower roller (103.2) is transmission-connected to an idler wheel.

9. The scoring and slitting mechanism according to claim 6, characterized in that: The first linkage assembly comprises a first transmission belt (701); The second linkage assembly comprises a second transmission belt (801) and a first tensioning wheel (802.1) group arranged on the first mounting plate, wherein the first tensioning wheel (802.1) group can adjust the tightness of the second transmission belt (801) and enable the lower feed roller (101.1) and the upper cutter roller (102.2) to rotate in opposite directions; The third linkage assembly comprises a third conveyor belt (901) and a second tension wheel (802.2) group, wherein the second tension wheel (802.2) group can adjust the tightness of the third conveyor belt (901) and enable the cutter lower roller (102.3) and the discharge lower roller (103.2) to rotate in the same direction.

10. The scoring and slitting mechanism according to claim 2, characterized in that: The feed lower roller (101.1), the cutter upper roller (102.2), the cutter lower roller (102.3), and the discharge lower roller (103.2) are driven to rotate by a first motor (12), and the discharge upper roller (103.1) is driven to rotate by a second motor (13).