A cardboard conveying device for carton processing
By designing the power mechanism and feeding plate structure of the cardboard transfer device, the problem of cardboard deviation caused by manual feeding was solved, realizing the automatic and accurate transfer of cardboard and improving the efficiency and quality of carton processing.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TONGLING HEQING CARTON PROCESSING CO LTD
- Filing Date
- 2025-06-27
- Publication Date
- 2026-07-17
AI Technical Summary
In existing technologies, manual feeding causes the cardboard to shift when it is transferred to the conveyor belt, affecting the quality and efficiency of subsequent processing. Furthermore, the lack of standardized positioning tools and guiding structures results in the cardboard shifting at the initial stage, requiring additional time and energy for correction.
A cardboard transfer device was designed, including a power mechanism, a transmission assembly, a material delivery frame, an L-shaped material delivery plate, and a weight reduction mechanism. The power mechanism drives the conveyor belt to rotate, the L-shaped material delivery plate slides along the strip groove, and the air knife generates an upward thrust to separate the cardboard, ensuring that the cardboard is accurately transferred to the conveyor belt.
It enables automatic and precise transfer of cardboard, avoids initial deviations, improves production efficiency, reduces cardboard damage, and ensures the quality and strength of subsequent processing.
Smart Images

Figure CN224510543U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cardboard box processing technology, and in particular to a cardboard transfer device for cardboard box processing. Background Technology
[0002] In the process of cardboard box processing, conveyor belt transfer devices are often used to transfer cardboard. In the cardboard transfer process, cardboard feeding is the starting point of cardboard transfer, and its accuracy directly affects the processing quality and efficiency of subsequent printing, die-cutting, folding and other processes.
[0003] Currently, some companies still use manual feeding. During manual feeding, operators vary significantly in the force and angle of placement, and there is a lack of standardized positioning tools and guiding structures, causing the cardboard to shift immediately upon contact with the conveyor belt. Even if subsequent processes are equipped with correction devices, extra time and energy are required to correct the shifted cardboard. This not only reduces production efficiency and extends the production cycle, but may also damage the cardboard due to repeated corrections, affecting the overall quality and strength of the cartons. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a cardboard transfer device for carton processing. It solves the technical problem that when cardboard is manually transferred to the conveyor belt, the placement force and angle can cause the cardboard to shift in the initial stage of the conveying process, affecting subsequent processing steps. The device achieves the purpose of automatically and accurately transferring the cardboard to the conveyor belt, avoiding the cardboard shifting in the initial stage.
[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a cardboard conveying device for carton processing, including a conveyor belt installed in a conveyor table, a power mechanism for driving the conveyor belt to rotate in the conveyor table, a material delivery frame installed on one side of the conveyor table, a transmission component installed on the material delivery frame, a conveyor belt installed on the transmission component, a connecting block installed on the conveyor belt, an L-shaped material delivery plate adapted to the strip groove opened at the bottom of the material delivery frame installed on the connecting block, and a weight reduction mechanism for reducing the weight of cardboard that is stacked too high is provided on the material delivery frame.
[0006] A further improvement is that the bottom of the feeding frame facing the conveyor belt has a discharge port, and an observation port communicating with the strip groove is opened on the opposite side of the discharge port. Lifting grooves are opened on the bottom of the other two sides of the feeding frame.
[0007] A further improvement is that the transmission assembly includes a rotating shaft rotatably connected to the rotating holes on both sides of the bottom of the feeding frame, a transmission roller is installed in the middle of both rotating shafts, a conveyor belt is connected to the transmission roller, and pulleys are installed on one side of the rotating shaft and the rotating shaft in the power mechanism, and a transmission belt is connected to the two pulleys.
[0008] A further improvement is that L-shaped limiting plates are symmetrically installed on both sides of the strip groove at the bottom of the feeding frame, and limiting sliders adapted to the L-shaped limiting plates are symmetrically installed at both ends of the L-shaped feeding plates.
[0009] A further improvement is that the weight reduction mechanism includes an air knife installed in the lifting groove, an air inlet pipe installed on the air knife, a lifting slide plate slidably connected to the adjustment groove opened on the material delivery frame installed on the top of the air knife, a handle installed on the top of the lifting slide plate, and a locking bolt threaded into the threaded hole opened on it.
[0010] A further improvement is that the adjustment groove on the feeding frame is a T-shaped groove, and the lifting slide plate is a T-shaped structure adapted to the adjustment groove.
[0011] By employing the above technical solution, this utility model provides a cardboard transfer device for carton processing, which has at least the following beneficial effects:
[0012] 1. This utility model uses a power mechanism to drive the transmission components, which in turn drive the conveyor belt to rotate. The connecting block drives the feeding plate to slide along the strip groove, pushing the cardboard at the bottom of the feeding frame onto the conveyor belt to complete the feeding work. This avoids cardboard deviation caused by manual feeding. Furthermore, the power mechanism ensures consistency between the cardboard feeding and the conveyor belt, preventing cardboard deviation due to differences in feeding speed.
[0013] 2. When the L-shaped feeding plate slides along the strip groove, it drives the limiting sliders on both sides to move along the L-shaped limiting plate, thereby preventing the L-shaped feeding plate from pressing the conveyor belt into a depression due to the reverse force of the cardboard, which would cause the L-shaped feeding plate to detach from the bottom cardboard side and fail to feed the material.
[0014] 3. This utility model uses a handle to move the lifting slide plate up and down along the adjustment groove until the air outlet of the air knife is aligned with the gap between the two bottom cardboard pieces. Then, the locking bolt is tightened to fix the height of the air knife. High-pressure airflow is introduced into the air knife through the air inlet pipe and blown out, thereby generating an upward thrust to separate the two bottom cardboard pieces. This reduces the pressure and friction on the bottom cardboard, making it easier for the L-shaped feeding plate to feed the bottom cardboard. Attached Figure Description
[0015] The accompanying drawings, which are provided to further illustrate this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application.
[0016] In the attached diagram:
[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0018] Figure 2 This utility model Figure 1 Enlarged structural diagram at point A in the middle;
[0019] Figure 3 This is a side view of the material delivery frame structure of this utility model;
[0020] Figure 4 This is a schematic diagram of the independent structure of the weight reduction mechanism of this utility model;
[0021] Figure 5 This is a top-view structural diagram of the power mechanism and transmission components of this utility model.
[0022] In the diagram: 1. Conveyor table; 2. Conveyor belt; 3. Power mechanism; 4. Material delivery frame;
[0023] 5. Transmission assembly; 51. Rotating shaft; 52. Transmission roller; 53. Pulley; 54. Transmission belt;
[0024] 6. Conveyor belt; 7. Connecting block; 8. L-shaped material delivery plate;
[0025] 9. Weight reduction mechanism; 91. Air knife; 92. Air inlet duct; 93. Lifting slide plate; 94. Handle; 95. Locking bolt;
[0026] 10. L-shaped limit plate; 11. Limit slider. Detailed Implementation
[0027] 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.
[0028] Example 1
[0029] Based on existing technologies, when cardboard is manually transferred to a conveyor belt, the cardboard may shift during the initial stage of transport due to variations in placement force and angle, affecting subsequent processing steps. This embodiment provides a cardboard transfer device for carton processing. Please refer to... Figures 1-5 This embodiment provides a cardboard transfer device for carton processing, which can automatically and accurately transfer cardboard onto a conveyor belt, preventing cardboard from shifting in the initial stage. The cardboard transfer device for carton processing includes a conveyor belt 2 installed within a conveyor table 1. A power mechanism 3 is provided within the conveyor table 1 to drive the conveyor belt 2. A material delivery frame 4 is installed on one side of the conveyor table 1. A transmission assembly 5 is installed on the material delivery frame 4. A conveyor belt 6 is installed on the transmission assembly 5. A connecting block 7 is installed on the conveyor belt 6. An L-shaped material delivery plate 8, adapted to a strip groove at the bottom of the material delivery frame 4, is installed on the connecting block 7. A weight-reducing mechanism 9 is provided on the material delivery frame 4 to reduce the weight of excessively stacked cardboard.
[0030] The bottom of the feeding frame 4 facing the conveyor belt 2 has a discharge port, and the side opposite the discharge port has an observation port that communicates with the strip groove. The bottom of the other two sides of the feeding frame 4 has lifting grooves.
[0031] The transmission assembly 5 includes a rotating shaft 51 rotatably connected to the rotating holes on both sides of the bottom of the feeding frame 4. A transmission roller 52 is installed in the middle of both rotating shafts 51. The conveyor belt 6 is connected to the transmission roller 52. A pulley 53 is installed on one side of the rotating shaft 51 and on the rotating shaft in the power mechanism 3. A transmission belt 54 is connected to the two pulleys 53.
[0032] The motor in the starting power mechanism 3 drives the belt roller to rotate, which in turn drives the conveyor belt 2 on the belt roller to rotate. Since both the roller shaft and the rotating shaft 51 are equipped with pulleys 53 and connected by a transmission belt 54, the rotating shaft 51 and the belt roller rotate synchronously, which in turn drives the transmission roller 52 to rotate, thereby driving the conveyor belt 6 to rotate. Through the connecting block 7, the L-shaped feeding plate 8 slides along the strip groove, pushing the cardboard at the bottom of the feeding frame 4 onto the conveyor belt 2 to complete the feeding work. This avoids cardboard deviation caused by manual feeding. The power mechanism 3 ensures the consistency of cardboard feeding by the conveyor belt 6 and the conveyor belt 2, preventing cardboard deviation due to differences in feeding speed.
[0033] To prevent the L-shaped feeding plate 8 from being crushed by the reverse force of the cardboard during feeding, thus causing feeding failure, L-shaped limiting plates 10 are symmetrically installed on both sides of the strip groove at the bottom of the feeding frame 4 in this device. Limiting sliders 11 that are adapted to the L-shaped limiting plates 10 are symmetrically installed at both ends of the L-shaped feeding plate 8. When the L-shaped feeding plate 8 slides along the strip groove, it drives the limiting sliders 11 on both sides to move along the L-shaped limiting plates 10, thereby preventing the L-shaped feeding plate 8 from being detached from the side of the cardboard due to the reaction force, which would cause feeding failure.
[0034] Example 2
[0035] When a large amount of cardboard accumulates in the feeding frame 4, the pressure generated by the stacking of cardboard and the friction between cardboards adjacent to the bottom cardboard may affect the pushing and feeding of the bottom cardboard by the L-shaped feeding plate 8. Therefore, based on Embodiment 1, as... Figures 1-5 As shown, the device is also equipped with a weight reduction mechanism 9, which includes an air knife 91 installed in the lifting groove. An air inlet pipe 92 is installed on the air knife 91. A lifting slide plate 93 is slidably connected to the adjustment groove opened on the material delivery frame 4 at the top of the air knife 91. A handle 94 is installed at the top of the lifting slide plate 93, and a locking bolt 95 is threadedly connected to the threaded hole opened on it.
[0036] The adjustment groove on the feeding frame 4 is a T-shaped groove, and the lifting slide plate 93 is a T-shaped structure adapted to the adjustment groove. Pulling the handle 94 drives the lifting slide plate 93 to move up and down along the adjustment groove until the air outlet of the air knife 91 is aligned with the gap between the two bottom cardboard pieces. Then tighten the locking bolt 95 to fix the height of the air knife 91, and introduce high-pressure airflow into the air knife 91 through the air inlet pipe 92 and blow it out, thereby generating an upward thrust to separate the two bottom cardboard pieces, thereby reducing the pressure and friction on the bottom cardboard and making it easier for the L-shaped feeding plate 8 to feed the bottom cardboard.
[0037] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0038] 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 cardboard conveying device for carton processing, comprising a conveyor belt (2) installed in a conveyor table (1), wherein a power mechanism (3) for driving the conveyor belt (2) is provided in the conveyor table (1), characterized in that: A material feeding frame (4) is installed on one side of the conveyor (1). A transmission assembly (5) is installed on the material feeding frame (4). A conveyor belt (6) is installed on the transmission assembly (5). A connecting block (7) is installed on the conveyor belt (6). An L-shaped material feeding plate (8) that matches the strip groove opened at the bottom of the material feeding frame (4) is installed on the connecting block (7). A weight reduction mechanism (9) is provided on the material feeding frame (4) to reduce the weight of cardboard that is stacked too high.
2. A paperboard transfer device for carton processing as defined in claim 1, wherein: The material delivery frame (4) has a discharge port at the bottom on the side facing the conveyor belt (2), and an observation port communicating with the strip groove is opened on the side opposite to the discharge port. The material delivery frame (4) also has lifting grooves at the bottom on the other two sides.
3. A paperboard transfer device for carton processing as defined in claim 1, wherein: The transmission assembly (5) includes a rotating shaft (51) rotatably connected to the rotating holes on both sides of the bottom of the feeding frame (4). A transmission roller (52) is installed in the middle of both rotating shafts (51). A conveyor belt (6) is connected to the transmission roller (52). A pulley (53) is installed on one side of the rotating shaft (51) and on the rotating shaft in the power mechanism (3). A transmission belt (54) is connected to the two pulleys (53).
4. A paperboard transfer apparatus for carton processing as defined in claim 1, wherein: The bottom of the feeding frame (4) has L-shaped limiting plates (10) symmetrically installed on both sides of the strip groove. The L-shaped feeding plate (8) has limiting sliders (11) symmetrically installed at both ends that are compatible with the L-shaped limiting plate (10).
5. A paperboard transfer apparatus for carton processing as defined in claim 1, wherein: The weight reduction mechanism (9) includes an air knife (91) installed in the lifting groove, an air inlet pipe (92) installed on the air knife (91), a lifting slide plate (93) slidably connected to the adjustment groove opened on the material delivery frame (4) installed on the top of the air knife (91), a handle (94) installed on the top of the lifting slide plate (93), and a locking bolt (95) threadedly connected to the threaded hole opened on it.
6. A paperboard transfer apparatus for carton processing as defined in claim 5, wherein: The adjustment groove on the feeding frame (4) is a T-shaped groove, and the lifting slide (93) is a T-shaped structure adapted to the adjustment groove.