Paper bag sealing allowance cutting structure
The rotary cutting and suction feeding mechanism enables efficient removal of excess paper bag sealing material, solving the problems of cumbersome position adjustment and inconvenient cleaning in existing technologies, and improving cutting efficiency and ease of operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-16
- Publication Date
- 2026-04-14
AI Technical Summary
Existing technology requires multiple adjustments to the paper bag position during the paper bag sealing excess removal process, resulting in low removal efficiency and cumbersome operation. Furthermore, the scraps after removal are inconvenient to clean up, affecting subsequent removal efficiency.
The system employs a rotary cutting mechanism and a material collection and unloading mechanism. The rotary cutting mechanism drives the cutting blade to rotate and switch positions, enabling automatic cutting of excess material on the sides and bottom of the paper bag. The material collection and unloading mechanism quickly collects the cut-off scraps, avoiding interference with subsequent cutting processes.
The elimination of the need to constantly adjust the paper bag position improves cutting efficiency, and the automatic collection of scraps reduces operation time and cleaning interference, thus enhancing overall cutting efficiency.
Smart Images

Figure CN224116876U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of cutting structure technology, and in particular relates to a paper bag sealing excess cutting structure. Background Technology
[0002] The cutting structure is mainly used to remove or cut off excess parts of products or materials. In the sealing process of paper bag production, the left and right sides and bottom are usually sealed first to form the basic structure of the bag. When sealing the sides and bottom, the paper material needs to leave a certain overlap area to ensure the bonding strength. The part that exceeds the bonding range becomes excess scrap. In order to ensure the aesthetics of the paper bag, the cutting mechanism is needed to cut off these excesses.
[0003] Currently, in the process of cutting off excess material at the sealing end of paper bags, the excess material on one side is usually cut off first, followed by the excess material on the other side and bottom. During this process, workers need to adjust the position of the paper bag to correspond with the cutting blade multiple times, and also need to reposition and fix it. In addition, the excess material cut off needs to be cleaned up to reduce obstruction and interference. The whole operation is quite troublesome, time-consuming and labor-intensive, delaying the subsequent cutting of excess material at the sealing end of the paper bag, thus reducing the cutting efficiency. Therefore, this utility model proposes a paper bag sealing excess material cutting structure. Utility Model Content
[0004] This utility model provides a paper bag sealing excess cutting structure. The rotary cutting mechanism can drive the cutting blade to rotate and switch positions, so as to sequentially cut off the excess on the side and bottom of the paper bag body without having to adjust the position of the paper bag body back and forth, reducing time waste. At the same time, the suction and dropping mechanism can quickly pull the cut corners and excess material into the collection bottom frame for cleaning, reducing the interference of corners and excess material on subsequent excess cutting. In summary, it solves the problems in the background technology.
[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:
[0006] This utility model discloses a paper bag sealing excess cutting structure, comprising:
[0007] A collection base frame is provided, with a cutting table fixedly connected to the inner bottom end of the collection base frame, and a paper bag body placed on the top of the cutting table. Three guide plates are fixedly connected to the outer wall of the cutting table.
[0008] A rotary cutting mechanism is disposed on the top of the cutting table and is used to remove the excess material from the sealing of the paper bag body.
[0009] Three suction and discharge mechanisms are respectively arranged on the outside of three guide plates, and the suction and discharge mechanisms are used to drive the corner scraps to fall into the collection bottom frame;
[0010] The rotary cutting mechanism includes a circular plate. Two pairs of connecting bent rods are fixedly connected between the outer wall of the circular plate and the top of the collecting bottom frame. A motor is fixedly connected to the top of the circular plate. A rotating connecting rod via a bearing is fixedly connected to the bottom of the circular plate. The top of the rotating connecting rod is fixedly connected to the output end of the motor. An electric telescopic rod is fixedly connected to the outer wall of the rotating connecting rod. A cutting tool is fixedly connected to the bottom of the electric telescopic rod.
[0011] Furthermore, a sliding block is fixedly connected to the top end of the electric telescopic rod, and an annular slide rail is fixedly connected to the bottom end of the circular plate. The sliding block is located inside the annular slide rail and is slidably connected to it.
[0012] Furthermore, two pairs of telescopic cylinders are fixedly connected to the top of the collecting base frame, and push plates are fixedly connected to the output ends of the two pairs of telescopic cylinders.
[0013] Furthermore, a straight plate is fixedly connected to the top of the push plate located on the front side, and a lifting cylinder is embedded in the top of the straight plate. A pressure plate is fixedly connected to the bottom of the lifting cylinder, and the pressure plate is located on the top of the paper bag body.
[0014] Furthermore, the material suction and discharge mechanism includes a pair of rectangular frames, the bottom ends of the pair of rectangular frames are fixedly connected to the top end of the collection bottom frame, and piston plates are slidably connected inside the pair of rectangular frames. A movable rod is fixedly connected to one side of the pair of piston plates. A through hole is drilled on one side of the pair of rectangular frames, and the end of the movable rod away from the piston plate passes through the through hole and is fixedly connected to one side of the push plate. An air guide bend is fixedly connected to one side of the pair of rectangular frames.
[0015] Furthermore, a hemispherical filter screen is fixedly connected to one end of each pair of air guide bends near the material guide plate.
[0016] Furthermore, the guide plate is inclined, and the inclined surface of the guide plate is coated with a ceramic coating.
[0017] The present invention has the following advantages over the prior art:
[0018] 1. In this technical solution, when cutting off the excess sealing material of the paper bag body, the rotary cutting mechanism can drive the cutting blade to rotate and switch its cutting position so that it can correspond to the side and bottom of the paper bag body in sequence, thereby cutting off the excess material on the side and bottom. There is no need to adjust the position of the paper bag body back and forth, reducing time waste and improving its cutting efficiency.
[0019] 2. This technical solution uses telescopic cylinders and push plates to adjust the position of the paper bag body in real time when cutting off the excess material on the sides and bottom of the paper bag body, so as to correspond with the cutting blade. At the same time, lifting cylinders and pressure plates press down and fix the paper bag body, so that the paper bag body remains stable and is not easy to shift during the cutting process.
[0020] 3. In this technical solution, after the remaining material of the paper bag body is cut off, the scrap material cut off from the sides and bottom is quickly dropped into the collection frame by the suction and dropping mechanism in conjunction with the guide plate, so as to avoid interfering with the subsequent cutting of the remaining material of the paper bag body.
[0021] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description
[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0023] Figure 1 This is a three-dimensional structural diagram of a paper bag sealing allowance cutting structure according to the present invention;
[0024] Figure 2 This is a bottom view of the rotary cutting mechanism in this utility model.
[0025] Figure 3 This is a partial three-dimensional structural schematic diagram of the present invention;
[0026] Figure 4 This is a three-dimensional structural diagram of the straight plate, lifting cylinder, and pressure plate in this utility model;
[0027] Figure 5 This is a partial cross-sectional view of the material feeding and unloading mechanism in this utility model;
[0028] Figure 6 This utility model Figure 5 A magnified structural diagram of point A in the middle.
[0029] The attached diagram lists the components represented by each number as follows:
[0030] 1. Collection base frame; 2. Cutting table; 3. Paper bag body; 4. Connecting curved rod; 5. Rotary cutting mechanism; 501. Circular plate; 502. Motor; 503. Rotating connecting rod; 504. Electric telescopic rod; 505. Cutting blade; 506. Circular slide rail; 507. Sliding block; 6. Guide plate; 7. Telescopic cylinder; 8. Push plate; 9. Straight plate; 10. Lifting cylinder; 11. Pressure plate; 12. Suction and unloading mechanism; 1201. Rectangular frame; 1202. Movable rod; 1203. Piston plate; 1204. Air guide bend; 1205. Hemispherical filter screen. Detailed Implementation
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0032] In the description of this utility model, it should be understood that the terms "relative", "one end", "inner", "lateral", "end", "both ends", "both sides", "front", "one end face", "the other end face", etc., which indicate orientation or positional relationship, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Specific Implementation Example 1:
[0034] Please see Figures 1-6 As shown, the present invention provides a paper bag sealing allowance trimming structure, comprising:
[0035] A collection base frame 1 is provided, and a cutting table 2 is fixedly connected to the inner bottom end of the collection base frame 1. A paper bag body 3 is placed on the top of the cutting table 2, and three guide plates 6 are fixedly connected to the outer wall of the cutting table 2.
[0036] The rotary cutting mechanism 5 is located on the top of the cutting table 2 and is used to cut off the sealing excess of the paper bag body 3.
[0037] Three suction and discharge mechanisms 12 are respectively arranged on the outside of three guide plates 6, and the suction and discharge mechanisms 12 are used to drive the corner scraps to fall into the collection bottom frame 1.
[0038] The rotary cutting mechanism 5 includes a circular plate 501. Two pairs of connecting rods 4 are fixedly connected between the outer wall of the circular plate 501 and the top of the collecting bottom frame 1. A motor 502 is fixedly connected to the top of the circular plate 501. A rotating connecting rod 503 via a bearing is fixedly connected to the bottom of the circular plate 501. The top of the rotating connecting rod 503 is fixedly connected to the output end of the motor 502. An electric telescopic rod 504 is fixedly connected to the outer wall of the rotating connecting rod 503. A cutting tool 505 is fixedly connected to the bottom of the electric telescopic rod 504.
[0039] In the specific implementation process, the paper bag body 3 is placed flat on the cutting table 2. Then, the excess material on one side of the paper bag body 3 is aligned with the cutting blade 505, and the electric telescopic rod 504 is driven to move the cutting blade 505 downward to cut off the excess material on one side of the paper bag body 3. Immediately afterwards, the drive motor 502 drives the rotating connecting rod 503 to rotate 90 degrees, so that the cutting blade 505 rotates 90 degrees synchronously, so as to rotate the cutting blade 505 to the bottom area of the paper bag body 3 and move the paper bag body... The bottom excess material removal position of the paper bag body 3 corresponds to the cutting blade 505. The electric telescopic rod 504 is driven again to drive the cutting blade 505 to cut off the bottom edge excess material. Then, the motor 502 is driven again to drive the cutting blade 505 to rotate 90 degrees, so that the other side excess material removal position of the paper bag body 3 corresponds to the cutting blade 505, and the cutting blade 505 is driven to cut. This realizes that the excess material on the side and bottom is cut off in sequence without having to adjust the position of the paper bag body 3 back and forth, reducing time waste and improving its cutting efficiency.
[0040] The top end of the electric telescopic rod 504 is fixedly connected to a sliding block 507, and the bottom end of the circular plate 501 is fixedly connected to an annular slide rail 506. The sliding block 507 is located inside the annular slide rail 506 and is slidably connected to it.
[0041] By sliding the slider 507 inside the annular slide rail 506, sliding assistance can be provided when the electric telescopic rod 504 rotates, so as to keep it moving stably.
[0042] Among them, two pairs of telescopic cylinders 7 are fixedly connected to the top of the collecting base frame 1, and push plates 8 are fixedly connected to the output ends of the two pairs of telescopic cylinders 7.
[0043] The push plate 8 is driven by the telescopic cylinder 7 to move, so that when the excess material on the side and bottom of the paper bag body 3 is cut off, the position of the paper bag body 3 can be adjusted so as to correspond with the cutting blade 505 for precise cutting.
[0044] Among them, the top of the push plate 8 located on the front side is fixedly connected to the straight plate 9, and the top of the straight plate 9 is embedded with the lifting cylinder 10. The bottom of the lifting cylinder 10 is fixedly connected to the pressure plate 11, and the pressure plate 11 is located on the top of the paper bag body 3.
[0045] The lifting cylinder 10 drives the pressure plate 11 to move downward, which can press down and fix the paper bag body 3, so that the paper bag body 3 remains stable during the excess material removal process and is not easy to move. Specific Implementation Example 2:
[0047] Please see Figure 1 , Figure 3 , Figure 5 and Figure 6 As shown, in a preferred embodiment, the material suction and discharge mechanism 12 includes a pair of rectangular frames 1201. The bottom ends of the pair of rectangular frames 1201 are fixedly connected to the top end of the collecting bottom frame 1. Piston plates 1203 are slidably connected inside the pair of rectangular frames 1201. Movable rods 1202 are fixedly connected to one side of the pair of piston plates 1203. Through holes are drilled on one side of the pair of rectangular frames 1201. The end of the movable rod 1202 away from the piston plate 1203 passes through the through hole and is fixedly connected to one side of the push plate 8. Air guide bends 1204 are fixedly connected to one side of the pair of rectangular frames 1201.
[0048] In the specific implementation process, after the leftover material on one side of the paper bag body 3 is cut off, the telescopic cylinder 7 drives the push plate 8 to retract and reset, so as to facilitate the subsequent readjustment of the cutting position. While the push plate 8 retracts, it drives the movable rod 1202 and the piston plate 1203 to move into the rectangular frame 1201, squeezing the space inside the rectangular frame 1201, while the space on the other side increases. The air is drawn in from the outside through the air guide bend 1204 to replenish the flow, so that the leftover material falls down along the inclined surface of the guide plate 6 into the collection bottom frame 1 under the suction of the air. This realizes the unloading and cleaning of the cut-off leftover material during the adjustment of the paper bag body 3 position, avoiding interference with the subsequent cutting of the remaining material of the paper bag body 3.
[0049] Among them, a pair of air guide bends 1204 are fixedly connected to a hemispherical filter screen 1205 at one end near the material guide plate 6.
[0050] By setting the hemispherical filter 1205, dust particles in the air can be blocked from entering the air guide bend 1204 when the gas flows through it, reducing the possibility of blockage.
[0051] The guide plate 6 is inclined, and the inclined surface of the guide plate 6 is coated with a ceramic coating.
[0052] The inclined guide plate 6, with a ceramic coating, maintains a smooth surface, allowing scrap material to fall along its inclined surface into the collection frame 1.
[0053] The circuits, electronic components, and chip modules involved in this utility model are all existing technologies, which can be fully implemented by those skilled in the art, and need not be elaborated upon. The content protected by this utility model does not involve any improvement to the software and methods.
[0054] All standard parts used in the application documents can be purchased from the market. All components in this application document can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. The electrical components mentioned in this document are all electrically connected to the external main controller and power supply, and the main controller is a conventional known device that can play a control role.
[0055] The working principle of this utility model is as follows:
[0056] In use, the paper bag body 3 is first placed flat on the cutting table 2, and the two horizontal telescopic cylinders 7 are driven to move the push plate 8 towards each other until it contacts both sides of the paper bag body 3. Then, the two telescopic cylinders 7 are driven to move horizontally, so that the position of the excess material to be cut on one side of the paper bag body 3 corresponds to the cutting blade 505. After the correspondence, the electric telescopic rod 504 is driven to move the cutting blade 505 downward to cut off the corner material on one side of the paper bag body 3. After the cutting is completed, the electric telescopic rod 504 drives the cutting blade 505 to return to its original position. At the same time, the two telescopic cylinders 7 drive the push plate 8 to retract and return to its original position. The push plate 8 drives the movable rod 1202 and the piston plate 1203 to move into the rectangular frame 1201, compressing the space inside the rectangular frame 1201, while the space on the other side increases. The air bend 1204 draws in outside air for replenishment, causing the scrap material to fall along the inclined surface of the guide plate 6 into the collection bottom frame 1 under the suction of the air. Then, the drive motor 502 drives the rotating connecting rod 503 to rotate 90 degrees, so that the cutting blade 505 rotates 90 degrees synchronously, so that the cutting blade 505 can rotate to the bottom area of the paper bag body 3, and the bottom scrap cutting position of the paper bag body 3 corresponds to the cutting blade 505. The electric telescopic rod 504 is driven again to drive the cutting blade 505 to cut off the scrap material at the bottom. Then, the drive motor 502 drives the cutting blade 505 to rotate 90 degrees again, so that the scrap cutting position on the other side of the paper bag body 3 corresponds to the cutting blade 505, and the cutting blade 505 cuts it off, realizing the sequential cutting off of the scrap material on the side and bottom.
[0057] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A paper bag sealing allowance trimming structure, characterized in that, include: A collection base frame (1) is fixedly connected to a cutting table (2) at its inner bottom end, and a paper bag body (3) is placed on the top of the cutting table (2). Three guide plates (6) are fixedly connected to the outer wall of the cutting table (2). A rotary cutting mechanism (5) is provided on the top of the cutting table (2) and is used to cut off the sealing allowance of the paper bag body (3); Three suction and dropping mechanisms (12) are respectively arranged on the outside of three guide plates (6), and the suction and dropping mechanisms (12) are used to drive the corner scraps to fall into the collection bottom frame (1); The rotary cutting mechanism (5) includes a circular plate (501). Two pairs of connecting rods (4) are fixedly connected between the outer wall of the circular plate (501) and the top of the collecting bottom frame (1). A motor (502) is fixedly connected to the top of the circular plate (501). A rotating connecting rod (503) is fixedly connected to the bottom of the circular plate (501) via a bearing. The top of the rotating connecting rod (503) is fixedly connected to the output end of the motor (502). An electric telescopic rod (504) is fixedly connected to the outer wall of the rotating connecting rod (503). A cutting tool (505) is fixedly connected to the bottom of the electric telescopic rod (504).
2. The paper bag sealing allowance trimming structure according to claim 1, characterized in that, The top end of the electric telescopic rod (504) is fixedly connected to a sliding block (507), and the bottom end of the circular plate (501) is fixedly connected to an annular slide rail (506). The sliding block (507) is located inside the annular slide rail (506) and is slidably connected to it.
3. The paper bag sealing allowance trimming structure according to claim 1, characterized in that, The top of the collecting base frame (1) is fixedly connected to two pairs of telescopic cylinders (7), and the output ends of the two pairs of telescopic cylinders (7) are fixedly connected to push plates (8).
4. The paper bag sealing allowance trimming structure according to claim 3, characterized in that, A straight plate (9) is fixedly connected to the top of the push plate (8) located on the front side, and a lifting cylinder (10) is embedded in the top of the straight plate (9). A pressure plate (11) is fixedly connected to the bottom of the lifting cylinder (10), and the pressure plate (11) is located on the top of the paper bag body (3).
5. The paper bag sealing allowance trimming structure according to claim 3, characterized in that, The material feeding mechanism (12) includes a pair of rectangular frames (1201). The bottom ends of the pair of rectangular frames (1201) are fixedly connected to the top end of the collecting bottom frame (1). Piston plates (1203) are slidably connected inside the pair of rectangular frames (1201). Movable rods (1202) are fixedly connected to one side of the pair of piston plates (1203). Through holes are drilled on one side of the pair of rectangular frames (1201). The end of the movable rod (1202) away from the piston plate (1203) passes through the through hole and is fixedly connected to one side of the push plate (8). Air guide bends (1204) are fixedly connected to one side of the pair of rectangular frames (1201).
6. The paper bag sealing allowance trimming structure according to claim 5, characterized in that, A hemispherical filter screen (1205) is fixedly connected to one end of each pair of air guide bends (1204) near the material guide plate (6).
7. The paper bag sealing allowance trimming structure according to claim 1, characterized in that, The guide plate (6) is inclined, and the inclined surface of the guide plate (6) is provided with a ceramic coating.