Automatic paper box discharging device

Abstract

The utility model relates to the field of packaging product production equipment, and discloses an automatic carton unloading device which comprises a bottom plate, a back plate is connected to the side edge of the bottom plate, a conveying mechanism is arranged on the side face of the upper end of the back plate, the conveying mechanism is used for conveying cartons and comprises a conveying belt, a weight checking mechanism is arranged on the upper surface of the bottom plate, and the conveying belt is used for conveying the cartons. The weight checking mechanism is used for detecting the overall weight of the paper box and comprises a weight checking scale and a weight checking scale conveying belt. The conveying belt cooperates with the conveyor belt of the checkweigher, so that paper boxes can be quickly conveyed and temporarily stored, and the checkweigher can be accurately checked. The stability and accuracy of corresponding links are guaranteed through the limiting fences and the wind shields. The discharging mechanism is matched with various paper boxes through a fixed and adjustable bend and an adjustable connecting plate. The discharging roller is matched with the rubber ring, so that the paper box is conveyed at a constant speed. A display screen of the checkweigher displays data in real time, and each part is designed in a modularized manner, thereby facilitating operation and maintenance. The input and output conveyor belts realize automatic feeding and discharging of cartons, automation is improved, and cost is reduced.

Description

Technical Field

[0001] This utility model belongs to the technical field of packaging product manufacturing equipment, specifically, it relates to an automatic paper box unloading device. Background Technology

[0002] In the packaging industry, cardboard boxes, as common packaging containers, are crucial in the supply chain of the production line. Traditional cardboard box unloading methods have many drawbacks, such as low efficiency when operated manually, and the difficulty in accurately controlling the force and position of the boxes during manual placement, which can easily lead to problems such as misalignment and jamming during subsequent processing. Furthermore, some existing automated equipment lacks uniform and effective coordination in the cardboard box conveying, weight detection, and unloading processes, resulting in unstable overall conveying speeds and failing to meet the demands of high-quality, high-efficiency packaging production. Therefore, developing a structurally sound and fully functional automated cardboard box unloading device is of significant practical importance. Utility Model Content

[0003] To address the numerous drawbacks of traditional paper box unloading methods, such as low efficiency during manual operation and difficulty in precisely controlling the force and position of the boxes during placement, which can easily lead to misalignment and jamming during subsequent processing, and the lack of effective coordination in the conveying, weight detection, and unloading stages of some existing automated equipment, resulting in overall instability and inability to meet the technical requirements of high-quality and high-efficiency packaging production, the basic concept of the technical solution adopted in this utility model is as follows:

[0004] An automatic paper box unloading device includes a base plate, a back plate connected to the side of the base plate, a conveying mechanism for conveying paper boxes, the conveying mechanism including a conveyor belt, a checkweighing mechanism for detecting the overall weight of the paper boxes on the upper surface of the base plate, the checkweighing mechanism including a checkweigher and a checkweigher conveyor belt, and a feeding mechanism between the conveying mechanism and the checkweighing mechanism for buffering and uniform feeding, the feeding mechanism including a fixed curve and an adjustable feeding curve.

[0005] In a preferred embodiment of this utility model, a limit bar is installed on the upper inner side of the conveyor belt, the inner side of the conveyor belt is connected to the back plate, and a checkweigher display screen is installed on the upper end of the back plate.

[0006] In a preferred embodiment of this utility model, the bottom of the checkweigher is connected to the upper surface of the base plate, a checkweigher conveyor belt is installed at the upper end of the checkweigher, a windproof cover is installed at the upper end of the checkweigher, and inlets and outlets are opened at both ends of the windproof cover. The inlets and outlets correspond to the upper ends of the checkweigher conveyor belt, and the checkweigher is electrically connected to the checkweigher display screen.

[0007] In a preferred embodiment of this utility model, both ends of the fixed bend are connected to support frames, and the other end of the support frame is connected to the side of the back plate. An adjustable connecting plate is installed in the middle of the fixed bend by a screw and a nut. The adjustable connecting plate has a sliding hole, which corresponds to the screw and is movably connected to it. An adjustable feeding bend is connected to the adjustable connecting plate, and the adjustable feeding bends are connected to each other by the adjustable connecting plate.

[0008] In a preferred embodiment of this utility model, the upper inlet of the adjustable feeding curve corresponds to the conveyor belt, and the lower side of the adjustable feeding curve is connected to an installation plate. A motor is installed on one side of the installation plate, the drive shaft of the motor passes through the installation plate, and a feeding roller is sleeved on the shaft of the drive shaft. The feeding roller corresponds to the inner channel edge of the adjustable feeding curve, and an annular groove is formed on the outer edge of the feeding roller. A rubber ring is sleeved in the groove of the annular groove.

[0009] In a preferred embodiment of this utility model, an input conveyor belt and an output conveyor belt are respectively provided at the left and right ends of the upper surface of the base plate, and the lower ends of the input conveyor belt and the output conveyor belt are connected to support columns, and the lower ends of the support columns are connected to the upper surface of the base plate.

[0010] Compared with the prior art, the present invention has the following advantages:

[0011] 1. High-efficiency conveying and accurate checkweighing: Through the coordinated operation of conveyor belt 4 and checkweigher conveyor belt 20, rapid conveying and buffering of cardboard boxes and accurate weight detection are achieved. The setting of limit bar 5 and windproof cover 13 ensures the stability and accuracy of the conveying and checkweighing processes, respectively, and improves the ability to control product quality.

[0012] 2. Flexible feeding: The combination of the fixed curved section 16 and the adjustable curved section 6 in the feeding mechanism, along with the design of the adjustable connecting plate 7, allows the feeding mechanism to adapt to the feeding needs of various sizes of cardboard boxes. The cooperation between the feeding rollers 8 and the rubber rings 19 ensures that the cardboard boxes are conveyed at a uniform speed and stably during the feeding process, avoiding problems such as paper jams, wear, and accumulation. This provides good conditions for the weighing process, improving the efficiency and accuracy of checkweighing.

[0013] 3. Convenient Operation and Maintenance: The checkweigher display screen 3 shows weight data in real time, making it easy for operators to monitor the production process. The components are modularly designed; for example, the adjustable connecting plate 7, connected by screws and nuts, allows for adjustment of the internal channel size of the adjustable feeding bend 6 to accommodate different sizes of cardboard boxes, and facilitates equipment installation, debugging, and maintenance.

[0014] 4. High degree of automation: The setting of input conveyor belt 11 and output conveyor belt 15 realizes the automatic entry and exit of paper boxes in the device, reduces manual intervention, improves the automation level of the entire packaging production line, and reduces labor costs.

[0015] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0016] In the attached diagram:

[0017] Figure 1 This is a three-dimensional front view schematic diagram of the automatic paper tray unloading device;

[0018] Figure 2 This is a three-dimensional rear view of the automatic paper tray unloading device.

[0019] Figure 3 A large schematic diagram showing the disassembly of the feeding bend of the automatic paper box unloading device;

[0020] Figure 4 A large diagram showing the disassembly of the feeding rollers of the automatic paper box unloading device;

[0021] Figure 5 This is an enlarged schematic diagram of the weight reduction scale for the automatic paper tray unloading device.

[0022] In the diagram: 1. Base plate; 2. Back plate; 3. Checkweigher display screen; 4. Conveyor belt; 5. Limit bar; 6. Adjustable feed curve; 7. Adjustable connecting plate; 8. Feed roller; 9. Mounting plate; 10. Motor; 11. Input conveyor belt; 12. Support column; 13. Windproof cover; 14. Inlet / outlet; 15. Output conveyor belt; 16. Fixed curve; 17. Support frame; 18. Annular groove; 19. Rubber ring; 20. Checkweigher conveyor belt; 21. Checkweigher. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model.

[0024] like Figures 1 to 5 As shown, the automatic paper box unloading device includes a base plate 1, a back plate 2 connected to the side of the base plate 1, a conveying mechanism on the upper side of the back plate 2 for conveying paper boxes, the conveying mechanism including a conveyor belt 4, a checkweighing mechanism on the upper surface of the base plate 1 for detecting the overall weight of the paper box, the checkweighing mechanism including a checkweigher 21 and a checkweigher conveyor belt 20, and a feeding mechanism between the conveying mechanism and the checkweighing mechanism for buffering and uniform feeding, the feeding mechanism including a fixed bend 16 and an adjustable feeding bend 6.

[0025] In this design, the coordinated operation of the conveyor belt 4 and the checkweigher conveyor belt 20 enables rapid conveying and buffering of cardboard boxes, as well as accurate weight detection. The limit bar 5 and windproof cover 13 ensure the stability and accuracy of both the conveying and checkweighing processes. The combination of the fixed bend 16 and the adjustable bend 6 in the feeding mechanism, along with the adjustable connecting plate 7, allows the feeding mechanism to adapt to the feeding needs of various cardboard box specifications. The cooperation between the feeding roller 8 and the rubber ring 19 ensures uniform and stable conveying of the cardboard boxes during the feeding process, avoiding problems such as paper jams, wear, and accumulation, providing favorable conditions for the weighing process, and improving checkweighing efficiency and accuracy.

[0026] like Figures 1 to 5 As shown, in a specific embodiment, a limit bar 5 is installed on the upper inner side of the conveyor belt 4, the inner side of the conveyor belt 4 is connected to the back plate 2, and a checkweigher display screen 3 is installed on the upper end of the back plate 2.

[0027] In this setup, the checkweigher display screen 3 shows weight data in real time, facilitating operator monitoring of the production process. The components employ a modular design; for example, the adjustable connecting plate 7, connected by screws and nuts, allows for adjustment of the internal channel dimensions of the adjustable feeding bend 6 to accommodate different sizes of cardboard boxes, and facilitates equipment installation, debugging, and maintenance. The input conveyor belt 11 and output conveyor belt 15 enable automatic loading and unloading of cardboard boxes within the device, reducing manual intervention, increasing the automation level of the entire packaging production line, and lowering labor costs.

[0028] like Figures 1 to 5 As shown, in a specific embodiment, the bottom of the checkweigher 21 is connected to the upper surface of the base plate 1, the upper end of the checkweigher 21 is equipped with a checkweigher conveyor belt 20, and the upper end of the checkweigher 21 is equipped with a windproof cover 13. Both ends of the windproof cover 13 are provided with inlets and outlets 14, which correspond to the upper ends of the checkweigher conveyor belt 20. The checkweigher 21 is electrically connected to the checkweigher display screen 3.

[0029] In this setup, the cardboard box enters the checkweighing mechanism via the input conveyor belt 11. The checkweigher conveyor belt 20 receives the cardboard box. Since the checkweigher conveyor belt 20 replaces the tray on the checkweigher 21, the weight of the checkweigher conveyor belt 20 is simply measured during weight detection. The results are displayed in real time on the checkweigher display screen 3.

[0030] like Figures 1 to 5As shown, in a specific embodiment, both ends of the fixed bend 16 are connected to support frames 17, and the other end of the support frame 17 is connected to the side of the back plate 2. An adjustable connecting plate 7 is installed in the middle of the fixed bend 16 by means of a screw and a nut. The adjustable connecting plate 7 has a sliding hole, which corresponds to the screw and is movably connected to it. An adjustable feeding bend 6 is connected to the adjustable connecting plate 7, and the adjustable feeding bends 6 are connected to each other by the adjustable connecting plate 7.

[0031] In this setup, during production, the cardboard boxes to be inspected are placed on conveyor belt 4, close to the limit bar 5. Conveyor belt 4 transports the cardboard boxes to the inlet of the unloading mechanism. The position, angle, and size of the adjustable unloading bend 6 are pre-adjusted according to the size and shape of the cardboard boxes. After entering the adjustable unloading bend 6, the cardboard boxes can be buffered within it.

[0032] like Figures 1 to 5 As shown, in a specific embodiment, the upper inlet of the adjustable feeding curve 6 corresponds to the conveyor belt 4, and the lower side of the adjustable feeding curve 6 is connected to a mounting plate 9. A motor 10 is mounted on one side of the mounting plate 9, and the drive shaft of the motor 10 passes through the mounting plate 9. A feeding roller 8 is sleeved on the shaft of the drive shaft. The feeding roller 8 corresponds to the inner channel edge of the adjustable feeding curve 6. An annular groove 18 is opened on the outer edge of the feeding roller 8, and a rubber ring 19 is sleeved in the groove of the annular groove 18.

[0033] In this setup, the motor 10 starts, driving the feeding roller 8 to rotate. The feeding roller 8 pushes the cardboard box downwards along the adjustable feeding curve 6, achieving the functions of buffering and uniform feeding.

[0034] like Figures 1 to 5 As shown, in a specific embodiment, an input conveyor belt 11 and an output conveyor belt 15 are respectively provided at the left and right ends of the upper surface of the base plate 1. The lower ends of the input conveyor belt 11 and the output conveyor belt 15 are connected to support columns 12, and the lower ends of the support columns 12 are connected to the upper surface of the base plate 1.

[0035] In this setup, the cardboard boxes, after being checked, are conveyed to the subsequent packaging stage via the output conveyor belt 15. Throughout the production process, operators can observe the checkweigher display screen 3 to promptly identify cardboard boxes with abnormal weights and take appropriate action. Simultaneously, the automated operation of the equipment reduces manual intervention, improving production efficiency and product quality stability.

[0036] The implementation principle of the automatic paper tray feeding device in this embodiment is as follows:

[0037] This invention achieves rapid conveying and buffering of cardboard boxes and accurate weight detection through the coordinated operation of the conveyor belt 4 and the checkweigher conveyor belt 20. The limit bar 5 and windproof cover 13 ensure the stability and accuracy of the conveying and checkweighing processes, respectively. The combination of the fixed bend 16 and the adjustable bend 6 in the feeding mechanism, along with the design of the adjustable connecting plate 7, allows the feeding mechanism to adapt to the feeding needs of various cardboard box specifications. The cooperation of the feeding roller 8 and the rubber ring 19 ensures uniform and stable conveying of cardboard boxes during the feeding process, avoiding problems such as paper jams, wear, and accumulation, providing excellent conditions for the weighing process, and improving checkweighing efficiency and accuracy. The checkweigher display screen 3 displays weight data in real time, facilitating operator monitoring of the production process. The modular design of each component, such as the adjustable connecting plate 7 connected by screws and nuts, allows adjustment of the internal channel size of the adjustable bend 6 to accommodate different cardboard box specifications, and facilitates equipment installation, debugging, and maintenance. The setup of the input conveyor belt 11 and the output conveyor belt 15 enables the automatic entry and exit of paper boxes within the device, reducing manual intervention, improving the automation level of the entire packaging production line, and reducing labor costs.

[0038] When using this device:

[0039] During production, the cardboard boxes to be checked are placed on conveyor belt 4, close to the limit bar 5. Conveyor belt 4 transports the cardboard boxes to the inlet of the unloading mechanism. The position, angle, and size of the adjustable unloading bend 6 are pre-adjusted according to the size and shape of the cardboard boxes. After entering the adjustable unloading bend 6, the cardboard boxes are buffered within it. Motor 10 starts, driving the unloading rollers 8 to rotate. The unloading rollers 8 push the cardboard boxes downwards along the adjustable unloading bend 6, achieving buffering and uniform feeding. Subsequently, the cardboard boxes enter the checkweighing mechanism via input conveyor belt 11. The checkweigher conveyor belt 20 receives the cardboard boxes. Since the checkweigher conveyor belt 20 replaces the tray on the checkweigher 21, the weight is measured by weighing the checkweigher conveyor belt 20. The result is displayed in real-time on the checkweigher display screen 3. After checkweighing, the cardboard boxes are transported to the subsequent packaging stage via output conveyor belt 15. Throughout the production process, operators can promptly identify and address any cardboard boxes with abnormal weights by observing the checkweigher display screen 3. Simultaneously, the automated operation of the equipment reduces manual intervention, improving production efficiency and product quality stability.

Claims

1. An automatic paper box unloading device, comprising a base plate (1), characterized in that: the side edge of the base plate (1) is connected with a back plate (2), the upper end side of the back plate (2) is provided with a conveying mechanism for conveying paper boxes, the conveying mechanism comprises a conveying belt (4), the upper surface of the base plate (1) is provided with a weight checking mechanism for checking the overall weight of the paper boxes, the weight checking mechanism comprises a weight checking scale (21) and a weight checking scale conveying belt (20), and a discharging mechanism is arranged between the conveying mechanism and the weight checking mechanism, the discharging mechanism is used for buffering and uniformly feeding, and the discharging mechanism comprises a fixed bend (16) and an adjustable discharging bend (6). The inner side upper end of the conveying belt (4) is provided with a limiting fence (5), the inner side of the conveying belt (4) is connected with the back plate (2), and the upper end of the back plate (2) is provided with a weight checking scale display screen (3).

2. The automatic sheeting hopper apparatus according to claim 1, wherein The bottom of the weight checking scale (21) is connected with the upper surface of the base plate (1), the upper end of the weight checking scale (21) is provided with the weight checking scale conveying belt (20), the upper end of the weight checking scale (21) is provided with a wind shield (13), both ends of the wind shield (13) are provided with import and export ports (14), the import and export ports (14) correspond to the upper end of the weight checking scale conveying belt (20), and the weight checking scale (21) is electrically connected with the weight checking scale display screen (3).

3. The automatic sheeting hopper apparatus according to claim 1, wherein, Both ends of the fixed bend (16) are connected with support frames (17), the other end of the support frame (17) is connected to the side edge of the back plate (2), an adjustable connecting plate (7) is arranged at the middle position of the fixed bend (16) through a screw and a nut, a sliding hole is formed in the adjustable connecting plate (7) and corresponds to and movably sleeves the screw, the adjustable connecting plate (7) is connected with the adjustable discharging bend (6), and the adjustable discharging bend (6) is connected through the adjustable connecting plate (7).

4. The automatic sheeting hopper apparatus according to claim 1, wherein, The upper end inlet of the adjustable discharging bend (6) corresponds to the conveying belt (4), the lower end side of the adjustable discharging bend (6) is connected with a mounting plate (9), one side of the mounting plate (9) is provided with a motor (10), the transmission shaft of the motor (10) penetrates through the mounting plate (9) and sleeves a discharging roller (8) arranged on the shaft rod of the transmission shaft, the discharging roller (8) corresponds to the inner side passage edge of the adjustable discharging bend (6), an annular groove (18) is formed in the outer edge of the discharging roller (8), and a rubber ring (19) is sleeved and arranged in the annular groove (18).

5. The automatic sheeting hopper apparatus of claim 1, wherein, Input conveying belts (11) and output conveying belts (15) are arranged at the left and right end positions of the upper surface of the base plate (1), the lower ends of the input conveying belts (11) and the output conveying belts (15) are connected with support columns (12), and the lower ends of the support columns (12) are connected to the upper surface of the base plate (1).

6. The automatic sheeting hopper apparatus of claim 1, wherein, ​

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