Paper tube cutting device

Abstract

The utility model discloses a paper tube cutting device, relates to the technical field of paper tube processing, and aims to provide a paper tube cutting device suitable for different specifications and sizes, which comprises a workbench, and a first roller assembly, a second roller assembly and a cutting mechanism are arranged on the workbench. The second roller assembly comprises a second roller, two moving frames, two sliding blocks, a positioning block, a lead screw and a connecting rod, the working table is provided with grooves which are in sliding connection with the two sliding blocks and the positioning block respectively, and the working table is provided with a graduated scale and a limiting plate. A paper tube to be cut is placed between the two rollers, the two rollers rotate in the same direction to drive the paper tube to rotate so as to facilitate cutting, and the distance between the second roller and the first roller can be adjusted through the rotatable lead screw so as to adapt to the paper tubes of different specifications and sizes. A graduated scale and a limiting plate are arranged on the workbench, and the distance between the limiting plate and the cutting mechanism can be adjusted according to the graduated scale, so that the length size of the paper tube is cut more accurately.

Description

Technical Field

[0001] The utility model relates to the technical field of paper tube processing, and more specifically, to a paper tube cutting device. Background Art

[0002] Paper tube cutting device, as a professional processing equipment, is mainly used to cut paper tubes, paper tubes and other materials into workpieces of specific length or shape. It is widely used in printing, packaging, stationery manufacturing and other industries.

[0003] At present, the Chinese patent application number CN202122160327.3 discloses a paper tube core cutting device, which includes a cutting assembly, a frame, a first roller assembly and a second roller assembly rotatably connected to the frame, the first roller assembly and the second roller assembly are located in the same horizontal plane, the first roller assembly and the second roller assembly are located below the cutting assembly, the first roller assembly and the second roller assembly are parallel to each other and a gap is formed between the two for supporting the paper tube core. This device can cut the paper tube core without causing damage to the paper tube core, thereby improving the cutting efficiency. However, the positions of the two roller assemblies are fixed, and only paper tubes of a specific size can be cut. It is not suitable for paper tubes of various specifications and sizes, and has poor applicability. Manually pressing down the cutting assembly is inconvenient to accurately determine the length of the paper tube, which easily leads to deviations in the length of the cut paper tube. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a paper tube cutting device suitable for different specifications and sizes.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A paper tube cutting device comprises a workbench, wherein a first roller assembly, a second roller assembly and a cutting mechanism are provided on the workbench, the cutting mechanism and the second roller assembly are respectively placed on both sides of the first roller assembly, the first roller assembly comprises two support frames, a first roller and a first motor, the two support frames are both fixed to the workbench, the first roller is placed between the two support frames and is rotatably connected to the two support frames respectively, the first motor is fixed to one side of one of the support frames, the output end of the first motor is fixedly connected to one end of the first roller, the second roller assembly comprises a second roller, two moving frames, a second motor, two sliders, a positioning block, a screw rod and A connecting rod, a workbench is provided with grooves that are respectively slidably connected to the two sliders and the positioning block, the two sliders are placed in the grooves and are slidably connected to the grooves, the two mobile frames are respectively fixed on the two sliders, the second roller is rotatably connected to the two mobile frames, the second motor is fixed to one side of one of the mobile frames, the output end of the second motor is fixedly connected to one end of the second roller, the positioning block is placed at the bottom of the second roller and is located between the two sliders, the connecting rod passes through the positioning block and is respectively fixedly connected to the two sliders, a first threaded hole is provided on the positioning block, the screw rod is threadedly connected to the first threaded hole, and one end of the screw rod extends outside the workbench and is fixed with a handle.

[0007] It is further configured that the cutting mechanism includes a fixed seat, two connecting plates, a rotating shaft, a driving motor, a protective cover, a cutting blade and a push handle, the fixed seat is placed on one side of the first roller, the driving motor is fixed between the two connecting plates, both ends of the rotating shaft pass through the two connecting plates and are rotatably connected to the fixed seat, the cutting blade is placed in the protective cover and fixedly connected to the output end of the driving motor, and a push rod is fixed on the protective cover.

[0008] It is further configured that the workbench is provided with a scale, a limit plate and a threaded rod, a slide groove is opened on the workbench, the scale is placed on one side of the slide groove and adapted to the slide groove, the bottom of the limit plate extends into the slide groove and is slidably connected to the slide groove, a second threaded hole is provided on the limit plate, one end of the threaded rod extends into the slide groove and is threadedly connected to the second threaded hole.

[0009] It is further configured that a propulsion assembly is provided on the workbench, the propulsion assembly includes a cylinder and a push plate, the cylinder is fixed on the workbench, the push plate is fixed on the output end of the cylinder, and the push plate corresponds to the limit plate.

[0010] By adopting the above technical solution, the beneficial effects of the utility model are as follows: by setting up two groups of roller assemblies, the paper tube to be cut is placed between the two rollers, and the two rollers rotate in the same direction to drive the paper tube to rotate for cutting, and the screw rod can be rotated to adjust the distance between the second roller and the first roller to adapt to the processing of paper tubes of different specifications and sizes; a scale and a limit plate are provided on the workbench, and the limit plate can be adjusted according to the scale to adjust the distance from the cutting mechanism, so that the length of the paper tube can be cut more accurately. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0012] Figure 2 This is a cross-sectional view of the second roller assembly according to an embodiment of the present invention.

[0013] Figure numerals: 1 workbench, 101 slide, 102 groove, 2 first roller, 3 support frame, 4 first motor, 5 second roller, 6 movable frame, 7 second motor, 8 slider, 9 positioning block, 901 first threaded hole, 10 screw rod, 11 connecting rod, 12 fixed seat, 13 connecting plate, 14 rotating shaft, 15 driving motor, 16 protective cover, 17 cutting blade, 18 push rod, 19 scale, 20 limit plate, 201 second threaded hole, 21 threaded rod, 22 cylinder, 23 push plate, 24 handle. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0015] Reference Figures 1 to 2 The embodiments of the present invention are further described.

[0016] A paper tube cutting device includes a workbench 1, on which are provided a first roller 2 assembly, a second roller 5 assembly and a cutting mechanism. The first roller 2 assembly includes two support frames 3, a first roller 2 and a first motor 4. The two support frames 3 are fixed on the workbench 1. The first roller 2 is placed in front of the two support frames 3 and is respectively rotatably connected to the two support frames 3. The first motor 4 is fixed to one side of one of the support frames 3. The output end of the first motor 4 is fixedly connected to the first roller 2, and the output end of the first motor 4 can drive the first roller 2 to rotate.

[0017] The second roller 5 assembly includes a second roller 5, two mobile frames 6, a second motor 7, two sliders 8, a positioning block 9, a screw 10 and a connecting rod 11. The workbench 1 is provided with grooves 102 that are respectively slidably connected to the two sliders 8 and the positioning block 9. The two sliders 8 are placed in the grooves 102 and are slidably connected to the grooves 102. The two mobile frames 6 are respectively fixed on the two sliders 8. The second roller 5 is rotatably connected to the two mobile frames 6. The positioning block 9 is placed at the bottom of the second roller 5 and is located between the two sliders 8. The connecting rod 11 passes through the positioning block 9 and is respectively fixed to the two sliders 8. Fixed connection, a first threaded hole 901 is opened on the positioning block 9, and the screw rod 10 is threadedly connected to the first threaded hole 901, and one end of the screw rod 10 extends to the outside of the workbench 1 and is fixed with a handle. Turning the handle causes the screw rod 10 to rotate, driving the positioning block 9 and the two sliders 8 to move along the length direction of the groove 102 to adjust the distance between the second roller 5 and the first roller 2 to adapt to paper rolls of different specifications and sizes. The output ends of the first motor 4 and the second motor 7 respectively drive the first roller 2 and the second roller 5 to rotate, driving the paper roll placed between the two to rotate so as to cut the paper roll.

[0018] The cutting mechanism includes a fixed base 12, two connecting pieces 13, a rotating shaft 14, a driving motor 15, a protective cover 16, a cutting blade 17 and a push handle. The fixed base 12 is placed on one side of the first roller 2, the driving motor 15 is fixed between the two connecting pieces 13, the two ends of the rotating shaft 14 pass through the two connecting pieces 13 and are rotatably connected to the fixed base 12, the cutting blade 17 is placed in the protective cover 16 and is fixedly connected to the output end of the driving motor 15, and a push rod 18 is fixed on the protective cover 16. By pressing the push rod 18 downward, the cutting blade 17 can be driven down close to the paper tube for cutting.

[0019] The workbench 1 is provided with a scale 19, a limit plate 20 and a threaded rod 21. A slide 101 is provided on the workbench 1. The scale 19 is placed on one side of the slide 101 and is adapted to the slide 101. The bottom of the limit plate 20 extends into the slide 101 and is slidably connected to the slide 101. A second threaded hole 201 is provided on the limit plate 20. One end of the threaded rod 21 extends into the slide 101 and is threadedly connected to the second threaded hole 201. Rotating the threaded rod 21 can drive the limit plate 20 to move along the slide 10 1 moves back and forth in the length direction, and can correspond to the scale 19 to determine the distance between the cutting blade 17 and the limit plate 20, so as to determine the length of the cut paper tube. A propulsion assembly is provided on the workbench 1, and the propulsion assembly includes a cylinder 22 and a push plate 23. The cylinder 22 is fixed on the workbench 1, and the push plate 23 is fixed on the output end of the cylinder 22, and the push plate 23 corresponds to the limit plate 20. The output end of the cylinder 22 can drive the push plate 23 to push in the direction of the limit plate 20, so as to facilitate the promotion and positioning of the paper tube.

[0020] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any common changes and substitutions made by those skilled in the art within the scope of the technical solution of the present invention should be included in the protection scope of the present invention.

Claims

1. A paper tube cutting device, comprising a workbench (1), characterized in that: The workbench (1) is provided with a first roller (2) assembly, a second roller (5) assembly and a cutting mechanism, the cutting mechanism and the second roller (5) assembly are respectively placed on both sides of the first roller (2) assembly, the first roller (2) assembly comprises two support frames (3), a first roller (2) and a first motor (4), the two support frames (3) are both fixed on the workbench (1), the first roller (2) is placed between the two support frames (3) and is rotatably connected to the two support frames (3), the first motor (4) is fixed to one side of one of the support frames (3), and the output end of the first motor (4) is fixedly connected to one end of the first roller (2). The second roller (5) assembly includes a second roller (5), two moving frames (6), a second motor (7), two sliders (8), a positioning block (9), a screw rod (10) and a connecting rod (11). The workbench (1) is provided with grooves (102) respectively connected to the two sliders (8) and the positioning block (9). The two sliders (8) are placed in the grooves (102) and are connected to the grooves (102) in a sliding manner. The two moving frames (6) are respectively fixed on the two sliders (8). The second roller (5) is rotatably connected to the two moving frames (6). The second roller (5) is connected to the two moving frames (6) in a rotating manner. The motor (7) is fixed to one side of one of the movable frames (6), the output end of the second motor (7) is fixedly connected to one end of the second roller (5), the positioning block (9) is placed at the bottom of the second roller (5) and is located between the two sliders (8), the connecting rod (11) passes through the positioning block (9) and is fixedly connected to the two sliders (8), the positioning block (9) is provided with a first threaded hole (901), the screw rod (10) is threadedly connected to the first threaded hole (901), and one end of the screw rod (10) extends to the outside of the workbench (1) and is fixed with a handle (24).

2. A paper tube cutting device according to claim 1, characterized in that: The cutting mechanism comprises a fixed seat (12), two connecting plates (13), a rotating shaft (14), a driving motor (15), a protective cover (16), a cutting blade (17) and a push rod (18). The fixed seat (12) is placed on one side of the first roller (2). The driving motor (15) is fixed between the two connecting plates (13). Both ends of the rotating shaft (14) pass through the two connecting plates (13) and are rotatably connected to the fixed seat (12). The cutting blade (17) is placed in the protective cover (16) and is fixedly connected to the output end of the driving motor (15). The push rod (18) is fixed on the protective cover (16).

3. A paper tube cutting device according to claim 1, characterized in that: The workbench (1) is provided with a scale (19), a limit plate (20) and a threaded rod (21); a slide groove (101) is provided on the workbench (1); the scale (19) is placed on one side of the slide groove (101) and is adapted to the slide groove (101); the bottom of the limit plate (20) extends into the slide groove (101) and is slidably connected to the slide groove (101); a second threaded hole (201) is provided on the limit plate (20); one end of the threaded rod (21) extends into the slide groove (101) and is threadedly connected to the second threaded hole (201).

4. A paper tube cutting device according to claim 3, characterized in that: The workbench (1) is provided with a propulsion assembly, which includes a cylinder (22) and a push plate (23). The cylinder (22) is fixed on the workbench (1), and the push plate (23) is fixed on the output end of the cylinder (22), and the push plate (23) corresponds to the limit plate (20).

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