Paper box feeding detection device

Abstract

The utility model provides a paper box feeding detection device which comprises a transmission part and a detection part, the transmission part and the detection part are installed at the feeding end of a boxing machine, the detection part comprises a detection piece, a limiting piece, a balance weight piece and an induction swing arm, and the detection piece is installed at one end of the limiting piece. The counterweight part and the sensing swing arm are rotatably mounted on two sides of the other end of the limiting part, the counterweight part is fixedly connected with the sensing swing arm, and the counterweight part drives the sensing swing arm to rotate so as to expose or shield the detection part. The sensing swing arm is driven to rotate through the balance weight part, the sensing swing arm shields the detection part to achieve paper box feeding detection, the state of the paper box bin is monitored in real time, machine idling is prevented, and the beneficial effects that the production efficiency can be improved, and the manual monitoring requirement is reduced are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medicine box packing machinery technical field, especially a paper box feeding detection device. BACKGROUND

[0002] The existing box packing machine rarely uses paper box feeding detection mechanism, which leads to a series of problems. In the traditional box packing machine, the paper box stock bin part mainly relies on the gravity of the paper box itself to complete the feeding action. The paper box feeding process is usually completed by manual operation, and the fullness of the paper box stock bin also needs to be judged manually. This manual operation and monitoring method has obvious defects.

[0003] Firstly, when the worker is busy, the state of the paper box stock bin may be ignored, and the situation of the paper box running out in the stock bin cannot be found in time. Secondly, due to the lack of automatic paper box feeding detection mechanism, the box packing machine cannot monitor and warn the stock bin state in real time. This will lead to a serious problem: when there is no material in the paper box stock bin, the box packing machine will continue to run, causing the machine to idle. Machine idling not only wastes energy, but more seriously, it reduces the working efficiency of the box packing machine. In the production process, time is money, and every minute of machine idling means a loss of production efficiency. In addition, long-time idling may cause unnecessary wear and tear on some parts of the box packing machine, increasing the maintenance cost of the equipment.

[0004] On the other hand, the manual monitoring of the paper box stock bin state also has limitations. In a busy production environment, workers may not be able to pay attention to the stock bin at all times, which will increase the risk of production interruption. Once the paper box runs out, it may take some time to be discovered and replenished, and the loss of production efficiency during this period cannot be ignored.

[0005] In addition, the accuracy of manual judgment of the stock bin state is difficult to guarantee. Near the high-speed running box packing machine, the worker may have difficulty accurately judging the number of remaining paper boxes, which may lead to inaccurate judgment of the replenishment time, either wasting manpower by replenishing too early or causing production interruption by not replenishing in time.

[0006] In view of the above problems, it is urgent to propose an improved feeding detection device. UTILITY MODEL CONTENT

[0007] The utility model aims at providing a paper box feeding detection device, which has the advantages of being able to monitor the paper box stock bin state in real time, preventing machine idling, improving production efficiency, and reducing the need for manual monitoring.

[0008] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0009] According to the paper box feeding detection device provided in the embodiment of the utility model, the counterweight drives the inductive swing arm to rotate, the inductive swing arm shields the detection piece to realize the detection of paper box feeding, thereby real-time monitoring the paper box stock bin state, preventing the machine from idling, and having the advantages of being capable of improving production efficiency and reducing manual monitoring demand.

[0010] According to the paper box feeding detection device provided in the embodiment of the utility model, the counterweight drives the inductive swing arm to rotate, the inductive swing arm shields the detection piece to realize the detection of paper box feeding, thereby real-time monitoring the paper box stock bin state, preventing the machine from idling, and having the advantages of being capable of improving production efficiency and reducing manual monitoring demand.

[0011] In addition, the paper box feeding detection device provided in the above embodiment of the utility model can also have the following additional technical features:

[0012] In some embodiments of the utility model, when the paper box is installed, the counterweight abuts against the upper surface of the paper box, and the counterweight drives the inductive swing arm to expose the detection piece; when the paper box is used up, the counterweight rotates downward by gravity, drives the inductive swing arm to move upward, and shields the detection piece to issue an alarm.

[0013] In some embodiments of the utility model, when the paper box is installed, the counterweight abuts against the upper surface of the paper box, and the counterweight drives the inductive swing arm to expose the detection piece; when the paper box is used up, the counterweight rotates downward by gravity, drives the inductive swing arm to move upward, and shields the detection piece to issue an alarm.

[0014] In some embodiments of the utility model, the detection part further comprises a first mounting piece, one end of the limiting piece is provided with a first mounting hole, the first mounting piece is arranged in the first mounting hole, one end of the first mounting piece is connected with the counterweight, and the other end of the first mounting piece is connected with the inductive swing arm.

[0015] In some embodiments of the utility model, one end of the limiting piece away from the first mounting hole is provided with a second mounting hole, the detection piece is arranged in the second mounting hole, and the opening direction of the second mounting hole is close to the inductive swing arm.

[0016] In some embodiments of the utility model, a support and a pressing plate are further included, the support is installed on the cartoning machine, the pressing plate is installed at one end of the support, and the limiting piece is installed at one end of the pressing plate away from the support.

[0017] In some embodiments of this utility model, the pressure plate is provided with a plurality of mounting portions, the bracket is provided with connecting holes, and the mounting portions are configured to cooperate with the connecting holes.

[0018] In some embodiments of this utility model, the transmission part includes a power component and a transmission component. The power component is disposed at one end of the transmission component and drives the transmission component to move. The transmission component is disposed corresponding to the pressure plate.

[0019] In some embodiments of this utility model, the transmission component is configured as a rotating roller, and the rotating roller is concentrically arranged with the pressure plate.

[0020] In some embodiments of this utility model, the transmission unit further includes a conveyor belt, which is mounted on the transmission member, and the carton is conveyed to the cartoning machine via the transmission belt.

[0021] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of the paper box feeding detection device according to an embodiment of the present utility model;

[0023] Figure 2 This is a schematic diagram of the detection section of the paper box feeding detection device according to an embodiment of the present utility model.

[0024] Figure Labels

[0025] 1. Counterweight; 2. Limiting component; 3. Inductive swing arm; 4. First mounting component; 5. Bracket; 6. Pressure plate; 7. Mounting part; 8. Connecting hole; 9. Power component; 10. Transmission component; 11. Second mounting hole. Detailed Implementation

[0026] The following is a more detailed description of a paper box feeding detection device according to the present invention, with reference to the accompanying drawings, which illustrate preferred embodiments of the present invention. It should be understood that those skilled in the art can modify the present invention described herein while still achieving its advantageous effects. Therefore, the following description should be understood as being of general knowledge to those skilled in the art and is not intended to limit the present invention.

[0027] In the description of this specification, terms such as "one embodiment" or "some embodiments" mean that one or more embodiments of this specification include a particular feature, structure, or characteristic described in connection with that embodiment. Therefore, the phrases "in one embodiment," "in some embodiments," "in other embodiments," "in still other embodiments," etc., appearing in different parts of this specification do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized.

[0028] The embodiments of this application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0029] The following description, with reference to the accompanying drawings, describes a carton feeding detection device according to an embodiment of this application.

[0030] According to the embodiments of the present utility model, a paper box feeding detection device, such as... Figure 1 As shown, it includes a transmission unit and a detection unit, which are installed at one end of the feeding end of the cartoning machine. The detection unit includes a detection element (not shown), a limiting element 2, a counterweight 1, and a sensing swing arm 3. The detection element is installed at one end of the limiting element 2. The counterweight 1 and the sensing swing arm 3 are rotatably installed on both sides of the limiting element 2. The counterweight 1 is fixedly connected to the sensing swing arm 3. The counterweight 1 drives the sensing swing arm 3 to rotate to expose or cover the detection element.

[0031] The detection unit, through the structural design of the detection element, the limiting element 2, the counterweight 1, and the sensing swing arm 3, achieves real-time detection of the carton feeding status. Specifically, when the carton hopper is full, the carton stops against the counterweight 1, causing the counterweight 1 to drive the sensing swing arm 3 to rotate without obstructing the detection element, thus indicating the feeding of the carton. When the carton hopper is empty, the counterweight 1 rotates due to its own weight, which in turn drives the sensing swing arm 3 to rotate, causing the sensing swing arm 3 to obstruct the detection element. In other words, the detection element detects that the hopper is empty and stops the machine.

[0032] Furthermore, the counterweight 1 can be configured as an arc-shaped rod. This design effectively utilizes the self-weight of the counterweight 1, allowing it to automatically rotate when the cardboard box hopper is empty. This rotation drives the sensing swing arm 3 to block the detection element, thus enabling the detection of the hopper's status. Additionally, the rotation design of the sensing swing arm 3 can employ various methods, such as using bearings or hinges, to ensure its rotational flexibility and stability.

[0033] Therefore, the technical solution of this application can effectively detect whether there is material in the carton hopper, preventing the cartoning machine from continuing to work when there are no cartons, thus avoiding idling and improving the machine's working efficiency. Compared with the prior art, this application achieves real-time monitoring of the carton feeding status through a simple mechanical structure, reducing manual intervention and improving the reliability and efficiency of the cartoning machine.

[0034] like Figure 1 , Figure 2 As shown, in some embodiments of this utility model, when the cardboard box is installed, the counterweight 1 abuts against the upper surface of the cardboard box, and the counterweight 1 drives the sensing arm 3 to expose the detection element; when the cardboard box is used up, the counterweight 1 rotates downward by gravity, driving the sensing arm 3 to move upward, blocking the detection element and triggering an alarm.

[0035] Specifically, when the cardboard box hopper is full, one end of the counterweight 1 rests directly against the upper surface of the cardboard box, causing the counterweight 1 to rotate upward against gravity and maintain the same height as the upper surface of the cardboard box. Meanwhile, the sensing arm 3, fixedly connected to the counterweight 1, rotates downward under the influence of the counterweight 1, exposing the detection element to the external environment. At this time, the cartoning machine operates normally. When the cardboard boxes in the hopper are used up, the counterweight 1 rotates downward due to gravity, which in turn causes the sensing arm 3, fixedly connected to the counterweight 1, to rotate upward, blocking the detection element. At this time, the detection element detects the sensing arm 3 and sends a signal to the alarm, causing the cartoning machine to alarm and stop operating.

[0036] In some embodiments of this utility model, when the cardboard box is installed, the counterweight 1 abuts against the upper surface of the cardboard box, and the counterweight 1 drives the sensing swing arm 3 to block the detection element; when the cardboard box is used up, the counterweight 1 rotates downward with the help of gravity, driving the sensing swing arm 3 to move upward, exposing the detection element and issuing an alarm.

[0037] Specifically, when the cardboard box hopper is full, one end of the counterweight 1 rests directly against the upper surface of the cardboard box, causing the counterweight 1 to rotate upward against gravity and maintain the same height as the upper surface of the cardboard box. Meanwhile, the sensing arm 3, fixedly connected to the counterweight 1, rotates downward under the influence of the counterweight 1, blocking the detection element. The detection element detects the sensing arm 3, and the cartoning machine operates normally at this time. When the cardboard boxes in the hopper are used up, the counterweight 1 rotates downward due to gravity, causing the sensing arm 3, fixedly connected to the counterweight 1, to rotate upward, exposing the detection element. At this time, the detection element cannot detect the sensing arm 3 and sends a signal to the alarm, causing the cartoning machine to alarm and stop operating.

[0038] In other words, by cooperating with the sensor and the induction swing arm to monitor the carton hopper in real time, the cartoning machine is prevented from continuing to work when there are no cartons, thus avoiding idling. This improves the machine's efficiency, reduces manual intervention, and enhances the reliability of the cartoning machine.

[0039] In some embodiments of this utility model, the detection unit further includes a first mounting member 4, one end of the limiting member 2 is provided with a first mounting hole (not shown in the figure), the first mounting member 4 passes through the first mounting hole, one end of the first mounting member 4 is connected to the counterweight 1, and the other end of the first mounting member 4 is connected to the sensing swing arm 3.

[0040] Specifically, the first mounting member 4 connects the counterweight 1 and the sensing swing arm 3 by passing through the first mounting hole of the limiting member 2. Simultaneously, the first mounting member 4 ensures that the counterweight 1 and the sensing swing arm 3 can be stably mounted on the limiting member 2, and through the connection of the first mounting member 4, the counterweight 1 can drive the sensing swing arm 3 to rotate, thereby blocking the detection element. As a preferred embodiment, the first mounting member 4 can be made of a metal pin to ensure its strength and durability. Furthermore, the size and shape of the first mounting hole can be adjusted according to actual needs to accommodate first mounting members 4 of different sizes and shapes.

[0041] Therefore, by setting the first mounting component 4, the installation and connection problems of the various components of the detection unit are solved, ensuring the stability and reliability of the detection device. Compared with the prior art, this application, by introducing the first mounting component 4, makes the connection between the counterweight 1 and the sensing swing arm 3 more secure, avoiding detection errors caused by unstable connections, and improving the working efficiency and accuracy of the detection device.

[0042] In some embodiments of this utility model, such as Figure 2As shown, the limiting member 2 has a second mounting hole 11 at one end away from the first mounting hole. The detection member is installed in the second mounting hole 11, and the opening direction of the second mounting hole 11 is close to the sensing swing arm 3.

[0043] Specifically, the second mounting hole 11 on the limiting member 2 provides a specific mounting position for the detection element, ensuring that the opening direction of the detection element is close to the sensing arm 3. Thus, when the sensing arm 3 rotates, it can effectively block the detection element, thereby achieving detection of the paper box feed. In a preferred embodiment, the opening direction of the second mounting hole 11 can be matched with the rotation trajectory of the sensing arm 3 to ensure that the detection element is accurately blocked when the sensing arm 3 moves. Furthermore, the detection element can be a photoelectric sensor or other types of sensors to improve the accuracy and reliability of the detection.

[0044] Therefore, this technical solution, through precise installation position and orientation, ensures the effectiveness and accuracy of the detection component when the sensing arm 3 moves. Compared with the prior art, the technical solution of this application can effectively solve the technical problems of the installation position and orientation of the detection component, avoid detection failure caused by improper installation of the detection component, and improve the working efficiency and reliability of the cartoning machine.

[0045] In some embodiments of this utility model, a bracket 5 and a pressure plate 6 are also included. The bracket 5 is mounted on the cartoning machine, the pressure plate 6 is mounted on one end of the bracket 5, and the limiting member 2 is mounted on the end of the pressure plate 6 away from the bracket 5.

[0046] Specifically, the support 5 can be made of metal, possessing sufficient strength and stability to ensure it does not deform or loosen during cartoning machine operation. The pressure plate 6 can be installed at one end of the support 5 via bolts or other fixing methods, and its design should facilitate installation and disassembly for maintenance and replacement. The limiting member 2 is fixed to the cartoning machine via the pressure plate 6, and its position and angle can be adjusted according to actual needs to ensure accurate detection of the carton material hopper's status.

[0047] In a preferred embodiment, the pressure plate 6 may be provided with multiple mounting portions 7, and the bracket 5 may be provided with connecting holes 8. The mounting portions 7 are configured to cooperate with the connecting holes 8, which can improve the stability and reliability of the installation. Furthermore, the design of the limiting member 2 can be diversified; for example, an adjustable limiting block can be used, or a sensor can be connected to the pressure plate 6 to achieve more precise detection and control.

[0048] Therefore, through the arrangement of the bracket 5 and the pressure plate 6, the limiting member 2 can be stably installed on the cartoning machine, ensuring the normal operation of the detection unit. When the carton hopper is empty, the limiting member 2 can detect this situation in time and block the detection member through the sensing swing arm 3, thereby triggering the warning or stopping operation of the cartoning machine, avoiding machine idling and improving work efficiency.

[0049] Compared with the prior art, the technical solution of this application makes the installation of the limiting component 2 more stable and the detection more accurate by adding the bracket 5 and the pressure plate 6, thereby effectively solving the problem that the cartoning machine continues to work when there is no material in the carton hopper, and improving the working efficiency and reliability of the cartoning machine.

[0050] In some embodiments of this utility model, the pressure plate 6 is provided with a plurality of mounting parts 7, and the bracket 5 is provided with a connecting hole 8, and the mounting parts 7 are configured to cooperate with the connecting hole 8.

[0051] Specifically, the multiple mounting portions 7 allow for adjustment of the mounting position of the pressure plate 6, thereby improving the accuracy of the detection of the test piece. The mating arrangement of the mounting portions 7 and the connecting holes 8 ensures the stable installation of the limiting member 2 on the pressure plate 6, and also allows the entire detection device to be firmly fixed to the cartoning machine. As a preferred embodiment, the mounting portion 7 can be designed as a threaded hole, and the connecting hole 8 can be designed as a threaded hole matching the threaded hole, with the pressure plate 6 fixed to the bracket 5 by bolts. Alternatively, the mounting portion 7 can be designed as a slot, and the connecting hole 8 can be designed as a socket matching the slot, with the pressure plate 6 fixed to the bracket 5 by pins.

[0052] Therefore, by having multiple mounting parts 7 on the pressure plate 6 cooperate with the connecting holes 8 on the bracket 5, the installation and fixing problem of the carton feeding detection device on the cartoning machine can be effectively solved, ensuring the stability and reliability of the device during operation. Compared with the prior art, the technical solution of this application not only improves the installation flexibility of the device, but also enhances the stability and detection accuracy of the device.

[0053] In some embodiments of this utility model, the transmission part includes a power component 9 and a transmission component 10. The power component 9 is disposed at one end of the transmission component 10 and drives the transmission component 10 to move.

[0054] Specifically, the power component 9 can be configured as a cylinder, with its output end connected to the transmission component 10. The transmission component 10 can be configured as a rotating roller, concentrically arranged with the pressure plate 6. The transmission unit may also include a conveyor belt mounted on the rotating roller, through which the carton is conveyed to the cartoning machine. In a preferred embodiment, the power component 9 drives the transmission component 10 via the output end of the cylinder, and the transmission component 10 achieves stable feeding of the carton through the cooperation of the rotating roller and the conveyor belt.

[0055] Therefore, this application achieves power drive for the feeding of cartons in a cartoning machine through the design of the aforementioned transmission unit. The power component 9, as the driving force source, is located at one end of the transmission component 10. Driven by the power component 9, the transmission component 10 can move, thereby driving the feeding of the cartons. This design ensures stable feeding of the cartons in the cartoning machine, avoiding feeding problems caused by insufficient or unstable power, and improving the working efficiency and reliability of the cartoning machine. Compared with the prior art, the technical solution of this application, by introducing the power component 9 and the transmission component 10, solves the power drive problem for the feeding of cartons in a cartoning machine, significantly improving the working efficiency and stability of the cartoning machine.

[0056] In some embodiments of this utility model, the transmission component 10 is configured as a rotating roller, and the rotating roller is concentrically arranged with the pressure plate 6.

[0057] Specifically, the arrangement of the rotating roller ensures that the transmission component 10 maintains the same rotational center as the pressure plate 6 during movement, thereby improving the accuracy of the installation position of the detection unit. The concentric arrangement of the rotating roller helps improve the accuracy of the detection of the component, thus increasing the working efficiency and accuracy of the cartoning machine. As a preferred embodiment, the rotating roller can be concentrically positioned with the pressure plate 6 through precision machining and assembly techniques, ensuring its stability and accuracy during high-speed operation. Furthermore, the material selection for the rotating roller can be optimized according to actual application requirements, such as selecting high-strength, wear-resistant materials to extend its service life.

[0058] Therefore, by using a rotating roller for the transmission component 10 and aligning it concentrically with the pressure plate 6, this design not only solves the problem of the transmission part of the carton feeding detection device in the cartoning machine being concentrically aligned with the pressure plate 6, but also improves the accuracy of the installation position of the detection unit and the accuracy of the detection component, thereby improving the working efficiency and accuracy of the cartoning machine. Compared with the prior art, the technical solution of this application has significant advantages in improving the working efficiency and accuracy of the cartoning machine.

[0059] In some embodiments of this utility model, the transmission unit further includes a conveyor belt, which is mounted on the rotating roller, and the carton is conveyed to the cartoning machine via the transmission belt.

[0060] Specifically, the conveyor belt can be made of various materials and structures, such as rubber belts, polyester belts, or metal mesh belts, to accommodate different cardboard box materials and sizes. The installation method of the conveyor belt can also be diverse; it can be fixed to the rotating rollers with bolts, or quickly assembled and disassembled using clamps and clips. The rotating rollers can be driven by a motor, or by a chain or gear transmission system.

[0061] Therefore, through the cooperation of the conveyor belt and the rotating roller, the carton can be fed continuously and stably, avoiding idling and improving the efficiency and stability of the cartoning machine. Compared with the prior art, the technical solution of this application not only solves the problem of idling during carton feeding, but also makes the carton conveying more stable and reliable through the introduction of the conveyor belt, reducing the need for manual intervention and improving overall production efficiency.

[0062] In some embodiments of this utility model, the power component 9 is configured as a cylinder, and the output end of the cylinder is connected to the transmission component 10. Specifically, the output end of the cylinder is directly connected to the transmission component 10. Through the extension and retraction of the cylinder, the transmission component 10 is driven to perform corresponding movements, thereby realizing the feeding of the carton. As a preferred embodiment, the cylinder can be a standard cylinder, and its output end can be connected via a threaded connection or a quick connector to ensure the stability and reliability of the connection. Further, the transmission component 10 can be configured as a rotating roller, which is concentrically arranged with the pressure plate 6. The conveyor belt transports the carton to the cartoning machine, thereby realizing the continuous feeding of the carton.

[0063] Therefore, the technical solution of this application ensures that the cartoning machine has a stable and reliable power source during the carton feeding process, avoiding feeding failure or inefficiency caused by insufficient power. The use of a cylinder improves the response speed and control precision of the transmission unit, making the carton feeding process smoother and more efficient. Compared with the prior art, this application, by introducing a cylinder as the power component 9, not only solves the power source problem but also significantly improves the overall performance and operating efficiency of the cartoning machine.

[0064] In some embodiments of this utility model, the counterweight 1 is configured as an arc-shaped rod, one end of which is connected to the first mounting member, and the other end of which abuts against the cardboard box.

[0065] Specifically, the arc-shaped rod design helps maintain balance and stability during the detection process. With this design, the counterweight 1 can effectively drive the inductive swing arm 3 to rotate, allowing the inductive swing arm 3 to accurately block the detection element, thereby achieving effective detection of the cardboard box feed. As a preferred embodiment, the arc-shaped rod can be made of metal, and its arc structure ensures reduced friction during rotation, improving the sensitivity and reliability of the detection device. Furthermore, the arc-shaped rod can be adapted to different detection needs by adjusting its weight and shape; for example, the balance performance of the counterweight 1 can be adjusted by increasing the rod's thickness or changing its curvature.

[0066] Therefore, the design of the counterweight 1 as an arc-shaped rod not only solves the design problem of the counterweight 1 in the carton feeding detection device, but also improves the sensitivity and reliability of the detection device, avoids detection errors caused by improper design of the counterweight 1, and thus improves the working efficiency of the cartoning machine. Compared with the prior art, this application significantly improves the performance and stability of the detection unit by using an arc-shaped rod as the counterweight 1, ensuring the efficient operation of the cartoning machine during the carton feeding process.

[0067] It should be understood that the specific embodiments described above are merely illustrative or explanatory of the principles of this utility model and do not constitute a limitation thereof. Therefore, any modifications, equivalent substitutions, improvements, etc., made without departing from the spirit and scope of this utility model should be included within its protection scope. Furthermore, the appended claims are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims, or equivalent forms of such scope and boundaries.

Claims

1. A paper box feeding detection device, characterized in that, include: The transmission unit and the detection unit are installed at one end of the feeding end of the cartoning machine. The detection unit includes a detection component, a limiting component (2), a counterweight (1), and a sensing swing arm (3). The detection component is installed at one end of the limiting component (2). The counterweight (1) and the sensing swing arm (3) are rotatably installed on both sides of the other end of the limiting component (2). The counterweight (1) is fixedly connected to the sensing swing arm (3). The counterweight (1) drives the sensing swing arm (3) to rotate to expose or cover the detection component.

2. The paper box feeding detection device according to claim 1, characterized in that, When the cardboard box is installed, the counterweight (1) abuts against the upper surface of the cardboard box, and the counterweight (1) drives the sensing arm (3) to expose the detection element; when the cardboard box is used up, the counterweight (1) rotates downward with the help of gravity, driving the sensing arm (3) to move upward and cover the detection element.

3. The paper box feeding detection device according to claim 1, characterized in that, When the cardboard box is installed, the counterweight (1) stops against the upper surface of the cardboard box, and the counterweight (1) drives the sensing arm (3) to block the detection device; when the cardboard box is used up, the counterweight (1) rotates downward with the help of gravity, drives the sensing arm (3) to move upward, and exposes the detection device.

4. The paper box feeding detection device according to claim 1, characterized in that, The detection unit also includes a first mounting member (4), one end of the limiting member (2) is provided with a first mounting hole, the first mounting member (4) passes through the first mounting hole, one end of the first mounting member (4) is connected to the counterweight (1), and the other end of the first mounting member (4) is connected to the sensing swing arm (3).

5. The paper box feeding detection device according to claim 4, characterized in that, The limiting member (2) has a second mounting hole (11) at one end away from the first mounting hole. The detection member is installed in the second mounting hole (11), and the opening direction of the second mounting hole (11) is close to the sensing swing arm (3).

6. The paper box feeding detection device according to claim 1, characterized in that, It also includes a bracket (5) and a pressure plate (6), the bracket (5) being mounted on the cartoning machine, the pressure plate (6) being mounted on one end of the bracket (5), and the limiting member (2) being mounted on the end of the pressure plate (6) away from the bracket (5).

7. The paper box feeding detection device according to claim 6, characterized in that, The pressure plate (6) is provided with multiple mounting parts (7), and the bracket (5) is provided with connecting holes (8). The mounting parts (7) are configured to cooperate with the connecting holes (8).

8. The paper box feeding detection device according to claim 7, characterized in that, The transmission unit includes a power component (9) and a transmission component (10). The power component (9) is located at one end of the transmission component (10) and drives the transmission component (10) to move. The transmission component is arranged corresponding to the pressure plate.

9. The paper box feeding detection device according to claim 8, characterized in that, The transmission component (10) is a rotating roller, which is concentrically arranged with the pressure plate (6).

10. The paper box feeding detection device according to claim 8, characterized in that, The transmission unit also includes a conveyor belt, which is mounted on the transmission member (10), and the carton is conveyed to the cartoning machine via the transmission belt.

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