Packing box scratching knife device

Abstract

The utility model discloses a cutting knife device for a packaging box, and belongs to the technical field of opening of the packaging box. Comprising a split moving part, a pair of lifting parts and a pair of scratching knife structures, the split moving part is provided with a pair of mounting positions which can be far away from each other or close to each other, each mounting position is provided with one lifting part, and each lifting part is provided with one scratching knife structure; the utility knife structure comprises a connecting plate and utility knife blades, sharp cutting edges are arranged on the opposite sides of the two utility knife blades, puncture ends are arranged in the middles of the cutting edges, and the puncture ends of the two pairs of utility knife blades are arranged oppositely. The technical problems that two corners of an outer side cover are damaged and recycling of a packaging box is affected due to the fact that a traditional cutting knife device for the packaging box cuts the two corners of the outer side cover are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of packing box unpacking, in particular to a packing box cutting device. Background Art

[0002] In the production of standard cigarettes, paper packaging boxes are mostly used to pack the produced standard cigarettes. The standard cigarettes are packed in packaging boxes and sent to the distribution center. At the distribution center, the cartons need to be disassembled and taken out, and then different cigarettes are packaged and sent to different sales points. The standard cigarettes are taken out of the carton. The whole unpacking process generally includes the following steps: cutting the sealing strip, opening the outer cover of the long side, opening the inner cover of the short side, and pushing the standard cigarettes out; the traditional outer cover is mostly opened by a knife, and the middle part of the outer cover is pulled up through structures such as suction cups. The knife can be inserted from the pulling seam, and then the knife departs from both sides to achieve the tape on both sides of the outer cover. Cut open, which is convenient for the subsequent flipping and opening of the outer cover. However, the existing knife device has the following problems: the tape on both sides of the outer cover will make the two corners of the outer cover fit tightly with the side of the packaging box. The traditional knife will cut the two corners of the outer cover before cutting the tape, causing damage to the two corners of the outer cover, affecting the recycling of the packaging box. Therefore, it is necessary to improve the knife device of some packaging boxes to solve the above problems. Summary of the invention

[0003] The purpose of the utility model is to provide a packaging box cutting device in view of the above problems, so as to solve the technical problem that the traditional packaging box cutting device will cut the two corners of the outer cover, causing damage to the two corners of the outer cover and affecting the recycling of the packaging box.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is:

[0005] A packaging box scoring device comprises a split movable part, a pair of lifting parts and a pair of scoring structures, the split movable part is provided with a pair of mounting positions which can move away from or approach each other, each mounting position is provided with a lifting part, and each lifting part is provided with a scoring structure; the scoring structure comprises a connecting plate and scoring blades, sharp blades are provided on opposite sides of two scoring blades, a puncture end is provided in the middle of the blade, and the puncture ends of the two pairs of scoring blades are arranged opposite to each other.

[0006] Furthermore, the cutting blade structure also includes a pre-stressing plate, one end of which is mounted on the connecting plate, and the other end is arranged as an extended end extending away from the other cutting blade structure, and a pre-stressing arc surface protruding more than the cutting blade plane is arranged on the outer side of the extended end.

[0007] Furthermore, the split movable part includes a mounting plate, a slide rail, a pair of movable blocks and a driving device; the slide rail is horizontally mounted on the mounting plate, the movable block is slidably mounted on the slide rail, and a mounting position is provided on the mounting plate; the driving device is mounted on the mounting plate, and the driving device drives the movable blocks to move toward or away from each other at the same time.

[0008] Furthermore, the driving device includes a fixed frame, a gear, a pair of rack rods and a telescopic cylinder; the fixed frame is fixedly installed in the middle of the slide rail, a movable block is provided on each side of the fixed frame, and the gear is rotatably installed on the fixed frame; the two rack rods are arranged in parallel and alternately, the gear is between the two rack rods and meshes with the rack of the rack rods, one end of the rack rod is fixedly connected to one of the movable blocks, and the telescopic end of the telescopic cylinder is connected to one of the movable blocks.

[0009] Furthermore, the lifting part includes an adapter block and a vertically arranged linear slide, and the linear slide is connected to the mounting position through the adapter block; an upper limit structure is provided at the upper part of the linear slide, and a lower limit structure is provided at the lower part of the linear slide, and the upper limit structure limits the upward sliding distance of the linear slide, and the lower limit structure limits the downward sliding distance of the linear slide.

[0010] Furthermore, the connecting plate is provided with a plurality of oblong holes, and the connecting plate is connected to the lifting part through the oblong holes.

[0011] Due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0012] 1. When the utility model is used, the device is set up on the outer cover cutting station, and the middle part of the outer cover is pulled up by means of structures such as suction cups, and the cutting knife structure can be inserted from the pulling-up seam, and then the cutting knife structure moves away from both sides; the puncture end can first puncture part of the tape, so that the constraints at the two corners of the outer cover become smaller and not tightly fit with the side of the packaging box, and then the cutting knife blade part can completely cut the tape on both sides of the outer cover without cutting the two corners of the outer cover; based on the above, the utility model can solve the technical problem that the traditional packaging box cutting knife device will cut the two corners of the outer cover, causing damage to the two corners of the outer cover and affecting the recycling of the packaging box.

[0013] 2. The utility model is provided with a pre-pressing plate. When in use, the pre-pressing plate can first contact with the side of the packaging box, and then press down the side of the packaging box that the pre-pressing plate is tightly fitted to separate the two corners of the outer cover from the side of the packaging box, making it easier for the puncture end and the blade of the cutting blade to puncture and cut the tape, further reducing damage to the two corners of the outer cover and improving reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1This is a diagram showing the relative arrangement of the utility model in use and the packaging box.

[0015] Figure 2 This is a three-dimensional structural diagram of the utility model;

[0016] Figure 3 This is a three-dimensional structural diagram of the utility model from another perspective (the fixing frame is hidden);

[0017] In the accompanying drawings, 1-open moving part, 2-lifting part, 3-scratching structure, 4-packaging box, 11-mounting plate, 12-slide rail, 13-movable block, 14-fixed frame, 15-gear, 16-rack rod, 17-telescopic cylinder, 21-adapter block, 22-linear slide, 23-upper limit structure, 24-lower limit structure, 31-connecting plate, 32-scratching blade, 33-puncture end, 34-pre-pressing plate, 35-pre-pressing arc surface, 36-long circular hole, 41-outer cover, 42-tape. DETAILED DESCRIPTION

[0018] The specific implementation of the utility model is further described below with reference to the accompanying drawings.

[0019] In the description of the present invention, it should be understood that the terms "center", "length", "width", "up", "down", "vertical", "horizontal", "top", "bottom", "inside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, 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 present invention.

[0020] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0022] See also Figures 1 to 3 A packaging box 4 cutting device comprises a split movable part 1, a pair of lifting parts 2 and a pair of cutting structures 3. The split movable part 1 is provided with a pair of mounting positions which can move away from or approach each other, each mounting position is provided with a lifting part 2, and each lifting part 2 is provided with a cutting structure 3; the cutting structure 3 comprises a connecting plate 31 and cutting blades 32, and sharp blades are provided on the opposite sides of the two cutting blades 32, and a puncture end 33 is provided in the middle of the blade, and the puncture ends 33 of the two pairs of cutting blades 32 are arranged opposite to each other.

[0023] In this embodiment, the cutting blade structure 3 also includes a pre-pressure plate 34, one end of which is mounted on the connecting plate 31, and the other end is configured as an extended end extending in a direction away from the other cutting blade structure 3, and a pre-pressure arc surface 35 is provided on the outer side of the extended end, which protrudes more than the plane of the cutting blade 32.

[0024] In this embodiment, the split moving part 1 includes a mounting plate 11, a slide rail 12, a pair of movable blocks 13 and a driving device; the slide rail 12 is horizontally mounted on the mounting plate 11, the movable block 13 is slidably mounted on the slide rail 12, and a mounting position is provided on the mounting plate 11; the driving device is mounted on the mounting plate 11, and the driving device drives the movable blocks 13 to move toward or away from each other at the same time. Specifically, the driving device includes a fixed frame 14, a gear 15, a pair of rack bars 16 and a telescopic cylinder 17; the fixed frame 14 is fixedly mounted in the middle of the slide rail 12, a movable block 13 is provided on each side of the fixed frame 14, and the gear 15 is rotatably mounted on the fixed frame 14; two rack bars 16 are arranged in parallel and alternately, the gear 15 is between the two rack bars 16 and meshes with the rack of the rack bar 16, the end of a rack bar 16 is fixedly connected to a movable block 13, and the telescopic end of the telescopic cylinder 17 is connected to a movable block 13.

[0025] In this embodiment, the lifting part 2 includes an adapter block 21 and a vertically arranged linear slide 22, and the linear slide 22 is connected to the installation position through the adapter block 21; an upper limit structure 23 is arranged on the upper part of the linear slide 22, and a lower limit structure 24 is arranged on the lower part of the linear slide 22. The upper limit structure 23 limits the upward sliding distance of the linear slide 22, and the lower limit structure 24 limits the downward sliding distance of the linear slide 22.

[0026] In this embodiment, a plurality of oblong holes 36 are provided on the connecting plate 31, and the connecting plate 31 is connected to the lifting part 2 through the oblong holes 36. The oblong holes 36 are provided to facilitate adjustment of the extension amount of the cutting blade structure 3.

[0027] The cutting blade 32 in this embodiment is a bottom-mounted structure, and is used to cut the outer cover 41 at the bottom when the packaging box 4 is placed flat. If it is necessary to cut the outer cover 41 at the top when the packaging box 4 is placed flat, the cutting blade 32 needs to be placed top. The working principle is explained below by taking the bottom-mounted cutting blade 32 cutting the outer cover 41 at the bottom when the packaging box 4 is placed flat as an example, and the details are as follows:

[0028] 1. The device is set up on the cutting station of the outer cover 41 for use. At this time, the center line of the tape 42 has been cut. The middle part of the outer cover 41 is pulled up by a suction cup and other structures, and the entire device is pushed forward by an external propulsion structure; the lifting part 2 moves downward, and the lower part of the cutting blade 32 can be inserted from the pulled-up slit, and then the cutting blade structure 3 moves away from both sides;

[0029] 2. The pre-pressing plate 34 first contacts the side of the packaging box 4, and presses down the side of the packaging box 4 that the pre-pressing plate 34 is tightly fitted to, so that the two corners of the outer cover 41 are separated from the side of the packaging box 4, making it easier for the piercing end 33 and the cutting blade 32 to pierce and cut the tape 42.

[0030] The above description is a detailed description of the preferred feasible embodiment of the utility model, but the embodiment is not used to limit the scope of the patent application of the utility model. All equivalent changes or modified changes completed under the technical spirit suggested by the utility model should fall within the patent scope covered by the utility model.

Claims

1. A packaging box cutting device, characterized in that: It includes a split movable part, a pair of lifting parts and a pair of cutting knife structures. The split movable part is provided with a pair of installation positions that can move away from or approach each other. Each of the installation positions is provided with a lifting part, and each lifting part is provided with a cutting knife structure. The cutting knife structure includes a connecting plate and a cutting knife blade. Sharp blades are provided on the opposite sides of the two cutting knife blades. A puncture end is provided in the middle of the blade. The puncture ends of the two pairs of cutting knife blades are arranged opposite to each other.

2. A packaging box cutting device according to claim 1, characterized in that: The cutting blade structure also includes a pre-stressing plate, one end of which is mounted on the connecting plate, and the other end is arranged as an extended end extending away from the other cutting blade structure, and a pre-stressing arc surface protruding more than the cutting blade plane is arranged on the outer side of the extended end.

3. A packaging box cutting device according to claim 1, characterized in that: The split movable part comprises a mounting plate, a slide rail, a pair of movable blocks and a driving device; the slide rail is horizontally mounted on the mounting plate, the movable block is slidably mounted on the slide rail, and a mounting position is provided on the mounting plate; the driving device is mounted on the mounting plate, and the driving device drives the movable blocks to move towards or away from each other at the same time.

4. A packaging box cutting device according to claim 3, characterized in that: The driving device includes a fixed frame, a gear, a pair of rack rods and a telescopic cylinder; the fixed frame is fixedly installed in the middle of the slide rail, a movable block is arranged on each side of the fixed frame, and the gear is rotatably installed on the fixed frame; the two rack rods are arranged in parallel and alternately, the gear is between the two rack rods and meshes with the rack of the rack rod, one end of the rack rod is fixedly connected to one movable block, and the telescopic end of the telescopic cylinder is connected to one movable block.

5. A packaging box cutting device according to claim 1, characterized in that: The lifting part includes an adapter block and a vertically arranged linear slide, and the linear slide is connected to the mounting position through the adapter block; an upper limit structure is arranged at the upper part of the linear slide, and a lower limit structure is arranged at the lower part of the linear slide, the upper limit structure limits the sliding distance of the linear slide, and the lower limit structure limits the sliding distance of the linear slide.

6. A packaging box cutting device according to claim 1, characterized in that: The connecting plate is provided with a plurality of oblong holes, and the connecting plate is connected to the lifting part through the oblong holes.

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