Bag cutting machine

Abstract

The utility model belongs to the technical field of bag strip cutting, and particularly relates to a bag cutting machine which comprises a workbench, a frame body is installed on the workbench, and a bag strip conveying mechanism, a first leveling roller set, a second leveling roller set, a bag strip cutting mechanism and a discharging channel are installed on the frame body. The bag strip conveying mechanism comprises a first supporting rod, a second supporting rod and a third supporting rod which are installed on the side portion of the frame body, each supporting rod is provided with a rotating roller, the rotating rollers are arranged in a triangular shape, the first leveling roller set is installed on one side of the third supporting rod and used for leveling the horizontal plane of bag strips, and the second leveling roller set is used for leveling the side faces of the bag strips. According to the bag strip cutting device, the consistency of cut bag strips can be guaranteed, continuous and efficient treatment of the bag strips from input to cutting to output is achieved, and the production efficiency is remarkably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bag strip cutting, in particular to a bag cutting machine. Background Art

[0002] In the packaging industry, the production and cutting of bag strips is an important link. However, the traditional bag cutting method has many shortcomings and cannot meet the modern packaging industry's requirements for high efficiency, high quality and ease of operation. It is difficult for the bag strips to maintain consistency after cutting, and it is difficult to keep all the bag strips facing up on one side, as well as the flatness of the cut and the cleanliness of the surface. After the bag strips are cut, they often need to be sorted and boxed. If the cut bag strips are sorted and boxed by a lining device, multiple cutting devices are required to cooperate with a boxing device to achieve the corresponding efficiency.

[0003] Furthermore, it is difficult to ensure that the bag strips are flat and clean before cutting by directly feeding the bag strips into the cutting device for cutting. Utility Model Content

[0004] The utility model provides a bag cutting machine, which solves the shortcomings in the prior art that it is difficult to ensure the consistency of the bag strips fed into the transmission mechanism after the bag strips are cut, and it is difficult to ensure the flatness and cleanliness of the bag strips before cutting.

[0005] The utility model provides the following technical solutions:

[0006] The bag cutting machine comprises a workbench, on which a frame is installed, on which a bag strip conveying mechanism, a first leveling roller group, a second leveling roller group, a bag strip cutting mechanism and a material discharge channel are installed;

[0007] The bag strip conveying mechanism includes a first support rod, a second support rod and a third support rod installed on the side of the frame body, each support rod is installed with a rotating roller, and the rotating roller is arranged in a herringbone shape. The first smoothing roller group is installed on one side of the third support rod and is used to smooth the horizontal surface of the bag strip. The second smoothing roller group is used to smooth the side surface of the bag strip. The first smoothing roller group and the second smoothing roller group are arranged perpendicular to each other.

[0008] As a further improvement of the above scheme.

[0009] Preferably, the first leveling roller group includes a first leveling roller and a second leveling roller arranged parallel to the third support rod, and a leveling assembly installed between the first leveling roller and the second leveling roller, and the leveling assembly includes a bottom plate and an angle-adjustable inclined pressure plate.

[0010] Preferably, the second leveling roller group includes a side plate and a U-shaped plate fixedly connected to the frame body, a plurality of rollers are mounted on the side plate through an adjustment plate, and the rollers cooperate with the U-shaped plate to form a material channel for the bag strips to pass smoothly.

[0011] Preferably, the bag strip conveying mechanism further comprises a limit plate mounted on the first support rod, the limit plate is provided with a strip-shaped opening for the bag strip to pass through, and the second and third support rods are provided with cleaning members pressed on the rotating roller for cleaning the surface of the bag strip.

[0012] Preferably, the bag strip cutting mechanism is mounted on the frame, and comprises a first limiting wheel set, a second limiting wheel set, a virtual cutting assembly and a real cutting assembly which are arranged in sequence.

[0013] Preferably, the first limiting wheel group and the second limiting wheel group have the same structure and both include a driving motor, the output shaft of the driving motor is fixedly connected to the first rotating shaft, the first rotating shaft is rotatably connected to the frame body through a bearing, a first gear and a first limiting wheel are installed on the first rotating shaft, a second rotating shaft is rotatably installed on the frame body, a second gear and a second limiting wheel are installed on the second rotating shaft, and the first gear and the second gear are meshing.

[0014] Preferably, the virtual cutting assembly includes a fixed virtual cutting knife located on one side of the feed port and a movable virtual cutting knife installed on the opposite side. The movable virtual cutting knife is installed on the output shaft of the first cylinder. The movable virtual cutting knife is driven by the first cylinder to approach the fixed virtual cutting knife to cut the cutting position to form an easy-to-tear line.

[0015] Preferably, the actual cutting assembly includes a fixed cutter installed on one side of the discharge port and a movable cutter installed on the opposite side. The movable cutter is installed on the output shaft of the second cylinder. The movable cutter is driven by the second cylinder to approach the fixed cutter to cut the cutting position of the bag strip.

[0016] Preferably, a transmission mechanism for conveying the cut bags and a control cabinet for controlling the start and stop of the equipment are also installed on the workbench, and the end of the discharge channel faces the transmission mechanism.

[0017] It should be understood that the above general description and the following detailed description are merely exemplary and do not limit the present invention.

[0018] The utility model realizes continuous and efficient processing of the bag strips from input to cutting and then to output through the bag strip conveying mechanism, cutting mechanism and transmission mechanism with high degree of automation, thus significantly improving the production efficiency;

[0019] The cleaning parts and leveling rollers in the bag strip conveying mechanism can ensure that the bag strips remain clean and flat before cutting, while the precise cutting mechanism ensures the accuracy and consistency of cutting, thereby improving product quality;

[0020] The entire bag cutting process is mostly completed automatically by the machine, which reduces manual operation, reduces labor intensity, and also reduces errors caused by human factors. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is one of the three-dimensional structural schematic diagrams of the bag cutting machine provided by the embodiment of the utility model;

[0022] Figure 2 The second three-dimensional structural schematic diagram of the bag cutting machine provided by the embodiment of the utility model;

[0023] Figure 3 A front view of a bag cutting machine provided by an embodiment of the utility model;

[0024] Figure 4 A side view of a bag cutting machine provided by an embodiment of the utility model;

[0025] Figure 5 for Figure 4 Schematic diagram of the cross-section structure at AA in the middle.

[0026] Reference numerals:

[0027] 1. Workbench; 2. Control cabinet; 3. Transmission mechanism; 4. Frame; 5. Bag strip cutting mechanism; 6. Adjustment plate; 7. Roller; 8. U-shaped plate; 9. Second leveling roller; 10. Side plate; 11. Bottom plate; 12. Inclined pressure plate; 13. First leveling roller; 14. Third support rod; 15. Rotating roller; 16. Cleaning part; 17. Second support rod; 18. First support rod; 19. Limit plate; 20. First limit wheel set; 21. Discharge channel; 22. Virtual cutting assembly; 23. Second limit wheel set; 24. Real cutting assembly. DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0029] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms, "connection" and "installation" should be understood in a broad sense. For example, "connection" can be a detachable connection or a non-detachable connection; it can be a direct connection or an indirect connection through an intermediate medium. In addition, "connection" can be a direct connection or an indirect connection through an intermediate medium. Among them, "fixed" means that they are connected to each other and the relative position relationship after connection remains unchanged. The directional terms mentioned in the embodiments of the present utility model, such as "inside", "outside", "top", "bottom", etc., are only reference to the directions of the accompanying drawings. Therefore, the directional terms used are for better and clearer explanation and understanding of the embodiments of the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present utility model.

[0030] In the embodiments of the present invention, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0031] In the embodiment of the present invention, "and / or" is only a description of the association relationship of the associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0032] References to "one embodiment" or "some embodiments" etc. described in this specification mean that one or more embodiments of the utility model include specific features, structures or characteristics described in conjunction with the embodiment. Therefore, the statements "in one embodiment", "in some embodiments", "in some other embodiments", "in some other embodiments", etc. that appear in different places in this specification do not necessarily refer to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized in other ways. The terms "including", "comprising", "having" and their variations all mean "including but not limited to", unless otherwise specifically emphasized in other ways.

[0033] Example

[0034] Reference Figure 1-Figure 5 , a bag cutting machine comprises a workbench 1, on which a frame 4 is installed, on which a bag strip conveying mechanism, a bag strip cutting mechanism 5 and a material discharge channel 21 are installed, the bag strip conveying mechanism comprises a first support rod 18, a second support rod 17 and a third support rod 14 installed on one side of the frame 4, a rotating roller 15 is installed on the first support rod 18, the second support rod 17 and the third support rod 14, the rotating rollers 15 on the first support rod 18, the second support rod 17 and the third support rod 14 are arranged in a herringbone shape, a limiting plate 19 is also provided on the first support rod 18, and a strip-shaped opening for the bag strip to pass through is opened on the limiting plate 19, a cleaning member 16 pressed on the rotating roller 15 for cleaning the surface of the bag strip is installed on the second support rod 17 and the third support rod 14, a first smoothing roller 13 group for smoothing the horizontal surface of the bag strip and a second smoothing roller 9 group for smoothing the side surface of the bag strip are installed on one side of the third support rod 14,

[0035] The first leveling roller group 13 and the second leveling roller group 9 are arranged perpendicular to each other, and the first leveling roller group 13 includes a first leveling roller 13 and a second leveling roller 9 which are arranged parallel to the third support rod 14. A leveling assembly is installed between the first leveling roller 13 and the second leveling roller 9, and the leveling assembly includes a bottom plate 11 and an inclined pressing plate 12 with an adjustable angle on the top of the bottom plate 11, and a gap is left between the inclined pressing plate 12 and the bottom plate 11 for the bag strip to pass through, and the bottom plate 11 is fixedly connected to the frame 4, and a column is installed on the frame 4, and a connecting rod is fixedly connected to the column by bolts, and the inclined pressing plate 12 is fixed to the connecting rod;

[0036] The second leveling roller 9 group includes a side plate 10 fixedly connected to the frame 4, a U-shaped plate 8 arranged outward is fixed on the side plate 10, the strip opening gap of the U-shaped plate 8 is adapted to the thickness of the bag strip, an adjustment plate 6 is installed on the side plate 10 through a strip hole and a fastening bolt, a plurality of rollers 7 are fixedly installed on the adjustment plate 6, the grooves of the rollers 7 cooperate with the U-shaped plate 8 to form a material channel for the bag strip to pass smoothly, and the width of the material channel formed by the rollers 7 and the U-shaped plate 8 is adjusted by the adjustment plate 6 to adapt to the bag strip;

[0037] The bag strip cutting mechanism 5 includes a first limiting wheel group 20 installed at the inlet and capable of relative rotation, and a second limiting wheel group 23 installed at the outlet and capable of relative rotation. A virtual cutting component 22 is provided at the inlet, and the virtual cutting component 22 includes a fixed virtual cutter located on one side of the inlet and a movable virtual cutter installed on the opposite side. The movable virtual cutter is installed on the output shaft of the first cylinder, and the movable virtual cutter is driven by the first cylinder to approach the fixed virtual cutter to cut the cutting position to form an easy-to-tear line. A real cutting component 24 is installed at the outlet, and the real cutting component 24 includes a fixed cutter installed on one side of the outlet and a movable cutter installed on the opposite side. The movable cutter is installed on the output shaft of the second cylinder, and the movable cutter is driven by the second cylinder to approach the fixed cutter to cut the cutting position of the bag strip. The outlet is directly opposite to the discharge channel 21.

[0038] The workbench 1 is also provided with a transmission mechanism 3 for conveying the cut bags and a control cabinet 2 for controlling the start and stop of the equipment. The end of the discharge channel 21 faces the transmission mechanism 3 .

[0039] The principles of this application are:

[0040] The produced bag strip is placed in the frame, and then one end of the bag strip passes through the rotating roller 15 of the first support rod 18, the second support rod 17, and the third support rod 14 in sequence, and the two sides of the bag strip are cleaned by the cleaning members 16 on the second support rod 17 and the third support rod 14. The bag strip is preliminarily lined by the rotating roller 15 of the first support rod 18, the second support rod 17, and the third support rod 14, so that the bag strip always keeps one side facing upward, which not only cleans the two sides of the bag strip, but also does not need to line the cut bag strip again, so that the front side of the cut bag strip can be guaranteed to be upward;

[0041] Then the bag strips are horizontally fed into the first leveling roller 13 group, and the first leveling roller 13 group makes the bag strips preliminarily leveled, so that there is no bag strip overlap, and the bottom plate 11 and the inclined pressing plate 12 level the bag strips in the horizontal direction;

[0042] The bag strip passes through the first smoothing roller set 13 and then the second smoothing roller set 9. The bag strip passes through the second smoothing roller set 9 so that it can smoothly enter the first limiting wheel set 20 in the vertical direction. The width direction of the bag strip is smoothed by the roller 7 and the U-shaped plate 8.

[0043] Finally, the first limiting wheel set 20, the virtual cutting assembly 22, the second limiting wheel set 23, and the real cutting assembly 24 are entered. After the bag strip is cut, the subsequent uncut segments will not be offset in position, so that the cutting is continuous and orderly. The virtual cutting assembly 22 makes a virtual cut on the bag strip to form an easy-tear line, and the real cutting assembly 24 cuts the bag strip.

[0044] The cut bag strips fall onto the discharge channel 21 and enter the conveying mechanism 3 through the discharge channel 21 .

[0045] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited to them. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model; in the absence of conflicts, the embodiments of the utility model and the features in the embodiments can be combined with each other. Therefore, the protection scope of the utility model shall be based on the protection scope of the claims.

Claims

1. Bag cutting machine, characterized in that, It comprises a workbench (1), on which a frame (4) is mounted, and on which a bag strip conveying mechanism, a first smoothing roller (13) group, a second smoothing roller (9) group, a bag strip cutting mechanism (5) and a material discharge channel (21) are mounted; The bag strip conveying mechanism comprises a first support rod (18), a second support rod (17) and a third support rod (14) installed on the side of the frame (4), each support rod is installed with a rotating roller (15), and the rotating roller (15) is arranged in a herringbone shape. A first smoothing roller (13) group is installed on one side of the third support rod (14) and is used to smooth the horizontal surface of the bag strip. A second smoothing roller (9) group is used to smooth the side surface of the bag strip. The first smoothing roller (13) group and the second smoothing roller (9) group are arranged perpendicular to each other.

2. The bag cutting machine according to claim 1, characterized in that: The first leveling roller (13) group comprises a first leveling roller (13) and a second leveling roller (9) which are arranged parallel to the third support rod (14), and a leveling component installed between the first leveling roller (13) and the second leveling roller (9), wherein the leveling component comprises a bottom plate (11) and an angle-adjustable inclined pressure plate (12).

3. The bag cutting machine according to claim 2, characterized in that: The second leveling roller (9) group comprises a side plate (10) and a U-shaped plate (8) fixedly connected to the frame (4); a plurality of rollers (7) are mounted on the side plate (10) via an adjusting plate (6); the rollers (7) cooperate with the U-shaped plate (8) to form a material channel for the bag strips to pass smoothly.

4. The bag cutting machine according to claim 1, characterized in that: The bag strip conveying mechanism also includes a limit plate (19) mounted on the first support rod (18), the limit plate (19) is provided with a strip-shaped opening for the bag strip to pass through, and the second support rod (17) and the third support rod (14) are provided with cleaning members (16) pressed on the rotating roller (15) for cleaning the surface of the bag strip.

5. The bag cutting machine according to claim 1, characterized in that: The bag strip cutting mechanism (5) is installed on the frame (4), and comprises a first limiting wheel set (20), a second limiting wheel set (23), a virtual cutting component (22) and a real cutting component (24) which are arranged in sequence.

6. The bag cutting machine according to claim 5, characterized in that: The first limiting wheel group (20) and the second limiting wheel group (23) have the same structure and both include a driving motor. The output shaft of the driving motor is fixedly connected to the first rotating shaft. The first rotating shaft is rotatably connected to the frame body (4) via a bearing. A first gear and a first limiting wheel are mounted on the first rotating shaft. A second rotating shaft is rotatably mounted on the frame body (4). A second gear and a second limiting wheel are mounted on the second rotating shaft. The first gear and the second gear are meshed.

7. The bag cutting machine according to claim 5, characterized in that: The virtual cutting assembly (22) comprises a fixed virtual cutting knife located on one side of the feed inlet and a movable virtual cutting knife installed on the opposite side, wherein the movable virtual cutting knife is installed on the output shaft of the first cylinder, and the movable virtual cutting knife is driven by the first cylinder to approach the fixed virtual cutting knife so as to form an easy-tear line at the cutting position.

8. The bag cutting machine according to claim 5, characterized in that: The actual cutting assembly (24) comprises a fixed cutter installed on one side of the material discharge port and a movable cutter installed on the opposite side. The movable cutter is installed on the output shaft of the second cylinder. The movable cutter is driven by the second cylinder to approach the fixed cutter so as to cut the cutting position of the bag strip.

9. The bag cutting machine according to claim 1, characterized in that: The workbench (1) is also provided with a transmission mechanism (3) for conveying the cut bags and a control cabinet (2) for controlling the start and stop of the equipment, and the end of the discharge channel (21) faces the transmission mechanism (3).

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