A conveyor belt for an ultra-large cardboard box production line
By installing crushing rollers at the bottom of the conveyor belt in the cardboard box production line, the paper scraps are crushed in a secondary manner, solving the problems of large paper scrap volume and scattering, and achieving the effects of efficient collection and cost reduction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI DONGYI PACKAGING PRODUCTS CO LTD
- Filing Date
- 2025-09-12
- Publication Date
- 2026-07-31
AI Technical Summary
Existing striped conveyor belts cannot effectively control the volume of paper scraps in cardboard box production, resulting in high collection and transportation costs, and the paper scraps are easy to scatter, posing significant cleaning and equipment hazards.
A crushing roller is installed in the material hopper at the bottom of the conveyor belt. The crushing roller is rotated in reverse by a linkage mechanism to crush long strips and flakes of paper into blocks, reducing their volume. The blocks are then collected by the waste conveyor belt.
It effectively reduces the volume of paper scraps, decreases collection and transportation costs, prevents paper scraps from scattering, and improves cleaning efficiency and equipment safety.
Smart Images

Figure CN224576276U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of cardboard box production conveying equipment, specifically a conveyor belt for an ultra-large cardboard box production line. Background Technology
[0002] In the cardboard box processing industry, striped conveyor belts, with their anti-slip surface texture and gap-based chip removal design, have become standard conveying components for core processes such as cutting, grooving, and creasing. Their core function is to ensure the stable transfer of semi-finished cardboard boxes and to initially guide long, thin, and sheet-like paper scraps generated during processing to the bottom of the conveyor belt through the gaps in the surface stripes, completing basic chip removal. However, as production lines increasingly demand "volume reduction" and "zero spillage" in paper scrap handling, the technical limitations of existing striped conveyor belts are becoming more prominent, especially in the two key areas of "paper scrap volume control" and "directional waste conveyor belt." Specifically: First, the large volume of paper scraps leads to high subsequent collection and transfer costs; existing striped conveyor belts can only complete "primary chip removal." The existing technology allows paper scraps to fall naturally to the bottom of the equipment through gaps, but it cannot process the volume of the falling paper scraps. The paper scraps generated by the cutting and grooving processes are mostly continuous long strips or loose flakes, which account for a large volume. This not only occupies a lot of collection space, but also requires frequent manual dumping and transfer. The large volume of paper scraps also increases storage and transportation costs due to their low filling density. Secondly, the paper scraps are collected without direction and are easy to scatter, causing cleaning and equipment hazards. In the existing technology, the paper scraps falling from the bottom of the conveyor belt lack a guiding structure and have to rely on gravity to fall freely to the waste scrap conveyor belt below. However, due to the vibration of the equipment operation and the installation gap between the waste scrap conveyor belt and the main conveyor belt, a large amount of paper scraps are easy to deviate from the receiving range and scatter at the bottom of the frame or on the ground, instead of all falling onto the waste scrap conveyor belt. Summary of the Invention
[0003] The purpose of this invention is to provide a conveyor belt for an ultra-large carton production line to solve the problems mentioned in the background art.
[0004] To solve the above-mentioned technical problems, the present invention provides the following technical solution: including a frame and three rotating rods equidistantly rotatably connected inside the frame, wherein multiple staggered conveying mechanisms are arranged inside the frame; The bottom of the frame is equipped with a material discharge bin, and a connecting rod is symmetrically rotatably connected inside the material discharge bin. A crushing roller is fixedly sleeved on the surface of the connecting rod. A linkage mechanism is provided on the back of the material discharge bin, and a drive motor is fixedly connected to the front of the material discharge bin. The output end of the drive motor is fixedly connected to the connecting rod.
[0005] In a further embodiment, the conveying mechanism includes two synchronous pulleys fixedly sleeved with the rotating rod, and a synchronous belt drives between the two synchronous pulleys.
[0006] In a further embodiment, a stepper motor is mounted on the front of the frame, and the output end of the stepper motor is fixedly connected to one end of the rotating rod via a coupling.
[0007] In a further embodiment, the crushing teeth of the two crushing rollers are arranged in opposite directions and staggered.
[0008] In a further embodiment, the bottom of the frame is equipped with four support legs.
[0009] In a further embodiment, the linkage mechanism includes a first gear and a second gear that mesh with each other, and one end of each of the two connecting rods extends through to the outside of the material discharge bin and is fixedly sleeved at the center of the first gear and the second gear, respectively.
[0010] Compared with the prior art, the beneficial effects of this utility model are: This invention features a material feeding bin installed at the bottom of the frame. Inside the feeding bin, symmetrical crushing rollers rotate. When the drive motor starts, the two crushing rollers rotate simultaneously in opposite directions under the action of the linkage mechanism. When long strips or flakes of paper scraps generated during carton processing fall into the feeding bin through the conveying gap inside the frame, they are further crushed into small chunks by the two crushing rollers. These chunks are then discharged onto the waste conveyor belt through the feeding port of the feeding bin, reducing the size and volume of the scraps and preventing them from not all falling onto the waste conveyor belt. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model; Figure 2 This is a partial bottom view of an embodiment of the present utility model; Figure 3 This is a partial structural connection diagram of an embodiment of the present utility model; Figure 4 is a schematic diagram of the connection of the connecting rod, crushing roller and linkage mechanism in an embodiment of this utility model.
[0012] In the diagram: 1. Frame; 2. Rotating rod; 3. Conveying mechanism; 31. Synchronous pulley; 32. Synchronous belt; 4. Feeding bin; 5. Connecting rod; 6. Crushing roller; 7. Linkage mechanism; 71. First gear; 72. Second gear; 8. Drive motor; 9. Stepper motor; 10. Support leg. Detailed Implementation
[0013] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0014] This embodiment discloses a conveyor belt for an ultra-large cardboard box production line, including a frame 1 and three rotating rods 2 equidistantly rotatably connected inside the frame 1. A stepper motor 9 is mounted on the front of the frame 1, and the output end of the stepper motor 9 is fixedly connected to one end of each rotating rod 2 via a coupling. Four support legs 10 are mounted on the bottom of the frame 1. Multiple staggered conveying mechanisms 3 are arranged inside the frame 1, such as... Figure 1 , Figure 2 and Figure 3 As shown, frame 1 is the basic framework of the entire conveyor belt, serving to support and fix all other components. There are three rotating rods 2, equidistantly rotatably connected inside frame 1. Their function is to cooperate with conveying mechanism 3 to achieve transmission. By rotating, they drive conveying mechanism 3 to operate, realizing the transmission of cartons. The rotating rods 2 are rotatably connected inside frame 1 and connected to stepper motor 9 through a coupling. They are driven by the motor to rotate. Stepper motor 9 is mounted on the front of frame 1 and is the power source. It provides power to rotating rod 2 through the rotation of its output end, controlling the rotation speed of rotating rod 2, thereby controlling the transmission rhythm of conveying mechanism 3. There are four support legs 10, mounted at the bottom of frame 1. Their function is to support frame 1, keep the entire conveyor belt at a stable height, facilitate the transmission of cartons at a suitable height, and prevent frame 1 from directly contacting the ground. Multiple conveying mechanisms 3 are arranged alternately inside frame 1, directly used to carry and transmit oversized cartons. By cooperating with rotating rod 2, they operate under the drive of rotating rod 2 to realize the transmission of cartons. They are set inside frame 1, cooperate with rotating rod 2, and are driven by rotating rod 2.
[0015] Preferably, the conveying mechanism 3 includes two synchronous pulleys 31 fixedly sleeved with the rotating rod 2, and a synchronous belt 32 is drivingly connected between the two synchronous pulleys 31, such as... Figure 1 and Figure 3As shown in this application, the synchronous wheel 31 is fixedly connected to the rotating rod 2. Each conveying mechanism 3 contains two synchronous wheels 31. The function of the synchronous wheel 31 is to transmit power. By rotating synchronously with the rotating rod 2, it drives the synchronous belt 32 to rotate, ensuring that the power is efficiently transmitted from the rotating rod 2 to the synchronous belt 32. The synchronous belt 32 is connected between the two synchronous wheels 31. Its function is to directly carry and transport oversized cartons. It achieves stable operation by means of the synchronous rotation of the two synchronous wheels 31, thereby driving the cartons forward. The synchronous belt 32 transmission can ensure the stability and accuracy of the transmission process. Overall, when the rotating rod 2 rotates, it drives the synchronous wheels 31 to rotate synchronously. The synchronous wheels 31 drive the synchronous belt 32 to rotate through friction or meshing, forming a power transmission path of "rotating rod 2 → synchronous wheel 31 → synchronous belt 32", realizing the stable transport of cartons.
[0016] More specifically, the bottom of the frame 1 is equipped with a material discharge bin 4. A connecting rod 5 is symmetrically rotatably connected inside the material discharge bin 4. A crushing roller 6 is fixedly sleeved on the surface of the connecting rod 5. A linkage mechanism 7 is provided on the back of the material discharge bin 4, and a drive motor 8 is fixedly connected to the front of the material discharge bin 4. The output end of the drive motor 8 is fixedly connected to the connecting rod 5. Figure 1 , Figure 2 and Figure 4 As shown, the material discharge bin 4 is installed at the bottom of the frame 1 to receive waste materials conveyed from the overhead structure such as the conveyor belt. It serves as a transition space for materials entering the crushing stage. There are two connecting rods 5, symmetrically rotatably connected inside the material discharge bin 4. A crushing roller 6 is fixedly sleeved on its surface. One of the connecting rods 5 is fixedly connected to the output end of the drive motor 8, which transmits power and drives the crushing roller 6 to rotate. The crushing roller 6 is fixedly sleeved on the surface of the connecting rod 5 and rotates under the drive of the connecting rod 5. Through its own structure and rotation, it crushes the materials in the material discharge bin 4. The linkage mechanism 7 is located on the back of the material discharge bin 4 to realize the linkage between the two connecting rods 5, ensuring that the two crushing rollers are connected. Roller 6 can rotate in tandem to improve the crushing effect. Drive motor 8 is fixedly connected to the front of the feed bin 4, and its output end is fixedly connected to the connecting rod 5, providing a power source for the rotation of the connecting rod 5 and crushing roller 6, driving the entire crushing assembly to operate. When drive motor 8 starts, under the action of linkage mechanism 7, the two crushing rollers 6 rotate simultaneously and in opposite directions. When the long strips and flakes of paper generated during carton processing fall into the feed bin 4 through the conveying gap inside the frame 1, they will be crushed into small chunks by the two crushing rollers 6. These chunks are then discharged onto the waste conveyor belt through the discharge port of the feed bin 4, reducing the size and volume of the chunks and preventing the chunks from not all falling onto the waste conveyor belt.
[0017] Furthermore, the linkage mechanism 7 includes a first gear 71 and a second gear 72 that mesh with each other. One end of each of the two connecting rods 5 extends through to the outside of the material discharge bin 4 and is fixedly sleeved at the center of the first gear 71 and the second gear 72, respectively. Figure 4 As shown, one end of each of the two connecting rods 5 passes through the outside of the material hopper 4. The end of one connecting rod 5 is fixedly sleeved at the center of the first gear 71, and the end of the other connecting rod 5 is fixedly sleeved at the center of the second gear 72. The first gear 71 and the second gear 72 are in a meshing state, realizing the synchronous reverse rotation of the two connecting rods 5, so that the two crushing rollers 6 can work together to crush the material in the material hopper 4 more efficiently and uniformly.
[0018] It should be noted that parts have a lifespan and can be replaced during regular maintenance when they no longer meet performance requirements. Deterioration in performance due to prolonged use of parts is not a design defect of this application.
[0019] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A conveyor belt for an ultra-large carton production line, comprising a frame (1) and three rotating rods (2) equidistantly rotatably connected inside the frame (1), characterized in that: The frame (1) is equipped with multiple staggered conveyor mechanisms (3); The bottom of the frame (1) is equipped with a material drop hopper (4), and the inside of the material drop hopper (4) is symmetrically connected to a connecting rod (5). A crushing roller (6) is fixedly sleeved on the surface of the connecting rod (5). A linkage mechanism (7) is provided on the back of the material drop hopper (4). A drive motor (8) is fixedly connected to the front of the material drop hopper (4). The output end of the drive motor (8) is fixedly connected to the connecting rod (5).
2. An ultra-large carton production line conveyor belt according to claim 1, characterized in that: The conveying mechanism (3) includes two synchronous pulleys (31) that are fixedly sleeved with the rotating rod (2), and a synchronous belt (32) is connected between the two synchronous pulleys (31).
3. An ultra-large carton production line conveyor belt according to claim 1, characterized in that: The front of the frame (1) is equipped with a stepper motor (9), and the output end of the stepper motor (9) is fixedly connected to one end of the rotating rod (2) through a coupling.
4. An ultra-large carton production line conveyor belt according to claim 1, characterized in that: The crushing teeth of the two crushing rollers (6) are arranged in opposite directions and staggered.
5. An ultra-large carton production line conveyor belt according to claim 1, characterized in that: The bottom of the frame (1) is equipped with four support legs (10).
6. An ultra-large carton production line conveyor belt according to claim 1, characterized in that: The linkage mechanism (7) includes a first gear (71) and a second gear (72) that mesh with each other. One end of each of the two connecting rods (5) extends through the outside of the discharge bin (4) and is fixedly sleeved at the center of the first gear (71) and the second gear (72) respectively.