A carton unpacking device with self-adaptive unpacking

Abstract

This utility model relates to the field of industrial automation equipment technology, and provides an adaptive unpacking device for cigarette packs. The device includes a frame, a material platform, at least two clamping arms, and a displacement detection mechanism. The material platform is located on one side of the frame and has a unpacking position. The two clamping arms are mounted on the frame and symmetrically arranged on both sides of the unpacking position. The two clamping arms can move relative to each other or along the vertical direction of the frame. The displacement detection mechanism is located on the inner wall of at least one clamping arm and is used to detect the relative position of the clamping arm and the outer surface of the cigarette pack. This invention can adaptively clamp and unpack cigarette packs of different sizes, improving the regularity of the cigarette pack shape after unpacking, reducing the risk of material blockage during cigarette pack processing, reducing breakage, and improving the stability of material flow.

Description

Technical Field

[0001] This utility model relates to the field of industrial automation equipment technology, and in particular to an adaptive unpacking device for cigarette packs. Background Technology

[0002] In the tobacco processing industry, the production of sheet tobacco generally involves processes such as unpacking tobacco cartons, slicing tobacco bales, rehydrating tobacco bales, and adding materials. Unpacking tobacco cartons involves steps including opening the cartons, tightening the cartons, turning the cartons over, conveying the cartons, removing the cartons from the cartons, conveying the tobacco bales, and recycling the carton wrappers. Opening and removing the cartons are the main processes in unpacking tobacco cartons, and are respectively accomplished by unpacking machines and removing machines.

[0003] In tobacco processing production lines, the unpacking equipment is a crucial piece of equipment. During the unpacking process, the tobacco box is held in place by the clamping mechanism of the unpacking device, and a lifting device drives the clamping mechanism to rise, causing the tobacco box to detach from the tobacco blanks.

[0004] Existing cigarette packs vary in size, while the clamping distance of the unpacking machine remains constant during the unpacking process. To prevent cigarette packs from falling off during the unpacking process, the spacing is generally adjusted based on the smaller cigarette packs. This inevitably leads to the larger cigarette packs being clamped too tightly, occasionally causing overcurrent in the clamping arm motor. In addition, excessive clamping can also cause some cigarette packs to fail to unpack, resulting in misalignment of the cigarette pack layers and scattering of the cigarette packs, which in turn affects the subsequent cigarette pack conveying, slicing effect, and slicing stability. Utility Model Content

[0005] This utility model provides an adaptive unpacking device for cigarette packs, which solves the problem that existing unpacking devices cannot adapt to the size of cigarette packs, resulting in difficulties in unpacking or misalignment of the pack layers. This application can adaptively clamp and unpack cigarette packs of different sizes, improve the regularity of the cigarette pack shape after unpacking, reduce the risk of material blockage during cigarette pack processing, reduce breakage, and improve the stability of material flow.

[0006] This utility model provides an adaptive unpacking device for cigarette packs, comprising: frame; A material platform is located on one side of the machine frame, and the material platform is provided with a box unloading position; At least two clamping arms are mounted on the frame and symmetrically arranged on both sides of the unpacking position. The two clamping arms can move relative to each other or move along the vertical direction of the frame. A displacement detection mechanism is provided on the inner sidewall of at least one of the clamping arms, and the displacement detection mechanism is used to detect the relative position of the clamping arm and the outer surface of the cigarette pack.

[0007] According to the present invention, an adaptive unpacking device for cigarette packs is provided, wherein the displacement detection mechanism includes a contact displacement sensor, which is a grating scale pulse displacement sensor.

[0008] According to the present invention, an adaptive unpacking device for cigarette packs is provided, wherein the displacement sensor has a detection head, and the detection head is arranged toward the opposite clamping arm.

[0009] According to the present invention, there are two displacement detection mechanisms, which are respectively disposed on the inner sidewalls of two opposing clamping arms.

[0010] According to the adaptive unpacking device for cigarette packs provided by this utility model, it further includes: The controller is signal-connected to the displacement detection mechanism and to the clamping arm.

[0011] According to the present invention, an adaptive unpacking device for cigarette packs is provided, wherein the clamping arm includes a clamping arm body and a clamping mechanism, the clamping mechanism is embedded in the clamping arm body, and the clamping mechanism is movably extended and retracted toward the other clamping arm disposed opposite to it.

[0012] According to the present invention, an adaptive cigarette pack unpacking device is provided, wherein the clamping arm further includes a striking mechanism, the striking mechanism includes a rocker arm and a driving member, the rocker arm is rotatably connected to the clamping arm body, and the driving member is drivingly connected to the rocker arm. The driving member is used to drive the rocker arm to swing so as to strike the cigarette pack.

[0013] According to the present invention, an adaptive unpacking device for cigarette packs is provided, wherein the material platform is a conveying mechanism, including a motor, a reducer and a conveyor belt, and the motor is connected to the wheel axle of the conveyor belt through the reducer.

[0014] According to the present invention, an adaptive unpacking device for cigarette packs is provided, wherein the adaptive unpacking device for cigarette packs further includes a linkage mechanism, and the two clamping arms are connected to the frame through the linkage mechanism.

[0015] The adaptive unpacking device for cigarette packs provided by this utility model also includes an alarm system, which is electrically connected to the controller.

[0016] The adaptive unpacking device for cigarette packs provided by this utility model installs a displacement detection mechanism on the clamping arm. When the clamping arm clamps, the displacement detection mechanism contacts the outer skin of the cigarette pack, and the relative position between the clamping arm and the outer surface of the cigarette pack can be measured. Based on the relative displacement data measured by the displacement detection mechanism, the relative displacement of the clamping arm is controlled to control the clamping force of the clamping arm on the cigarette pack. This enables adaptive clamping and unpacking of cigarette packs of different sizes, improves the regularity of the cigarette pack shape after unpacking, reduces the risk of material blockage during the cigarette pack processing, reduces breakage, and improves the stability of material flow. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of an embodiment of the adaptive unpacking device for cigarette packs provided by this utility model.

[0019] Figure label: 10. Adaptive unpacking device for cigarette packs; 100. Frame; 200. Material platform; 210. Box removal position; 300. Clamping arm; 400. Displacement detection mechanism; 500. Linkage mechanism; 20. Tobacco box. Detailed Implementation

[0020] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0021] In the description of the embodiments of this utility model, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of the embodiments of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this utility model based on the specific circumstances.

[0023] In this embodiment of the utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0024] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0025] The following is combined Figure 1 The adaptive unpacking device for cigarette packs provided in this utility model will be described in detail through specific embodiments and application scenarios.

[0026] In the embodiments of the utility model, reference is made to... Figure 1 The adaptive unpacking device 10 for cigarette packs includes a frame 100, a material platform 200, at least two clamping arms 300, and a displacement detection mechanism 400. The material platform 200 is located on one side of the frame 100 and has a unpacking position 210. The two clamping arms 300 are mounted on the frame 100 and are symmetrically arranged on both sides of the unpacking position 210. The two clamping arms 300 can move relative to each other or move along the vertical direction of the frame 100. The displacement detection mechanism 400 is located on the inner side wall of at least one clamping arm 300 and is used to detect the relative position of the clamping arm 300 and the outer surface of the cigarette pack.

[0027] The frame 100 is the supporting and fixing structure for the entire unit, ensuring that all components can operate stably and accurately. It provides sufficient strength and rigidity to withstand various forces and vibrations during the unpacking process.

[0028] The material table 200 is used to place cigarette packs to be unpacked, and is usually located on one side of the frame 100. It provides a flat and stable platform for easy positioning and clamping of the cigarette packs.

[0029] The unpacking position 210 is a specially designed area on the material platform 200 for unpacking cigarette packs.

[0030] The clamping arms 300 are the core components of the unpacking device, used to clamp and move the cigarette packs. They are mounted on the frame 100 and symmetrically arranged on both sides of the unpacking position 210 to ensure balanced and stable clamping of the cigarette packs.

[0031] A displacement detection mechanism 400 is installed on the inner wall of at least one clamping arm 300 to detect the relative position of the clamping arm 300 to the outer surface of the cigarette pack in real time. It converts the detected position information into an electrical signal and transmits it to the control system. By detecting the relative position of the clamping arm 300 to the outer surface of the cigarette pack in real time, the control system can accurately adjust the spacing and clamping force of the clamping arms 300 to ensure that the cigarette pack is neither damaged nor falls off during unpacking.

[0032] This application installs a displacement detection mechanism 400 on a clamping arm 300. When the clamping arm 300 clamps, the displacement detection mechanism 400 contacts the outer surface of the cigarette box 20, thus measuring the relative position between the clamping arm 300 and the outer surface of the cigarette box 20. Based on the relative displacement data measured by the displacement detection mechanism 400, the relative displacement of the clamping arm 300 is controlled to control the clamping force of the clamping arm 300 on the cigarette pack. This enables adaptive clamping and unpacking of cigarette packs of different sizes, improves the regularity of the cigarette pack shape after unpacking, reduces the risk of material blockage during cigarette pack processing, reduces breakage, and improves the stability of material flow.

[0033] In some embodiments, the displacement detection mechanism 400 includes a contact displacement sensor, which is a grating scale pulse displacement sensor.

[0034] As is understandable, a contact displacement sensor is a sensor that needs to be in contact with the object being measured. It outputs a corresponding signal by measuring the relative displacement with respect to the object being measured.

[0035] The grating scale pulse displacement sensor combines grating technology and pulse signal processing technology. A grating is a finely etched pattern of alternating black and white stripes, similar to a graduated scale, on a glass ruler or disc. When the sensor comes into contact with and moves against the object being measured (such as clamp arm 300), the grating stripes move relative to the sensing element inside the sensor, causing the grating stripes to alternate between light transmission and opacity, thus generating pulse signals. By measuring the frequency and phase of these pulse signals, the displacement of the object can be accurately calculated.

[0036] The grating scale pulse displacement sensor combines grating technology and pulse signal processing technology. A grating is a finely etched pattern of alternating black and white stripes, similar to a graduated scale, on a glass ruler or disc. When the sensor comes into contact with and moves against the object being measured (such as clamp arm 300), the grating stripes move relative to the sensing element inside the sensor, causing the grating stripes to alternate between light transmission and opacity, thus generating pulse signals. By measuring the frequency and phase of these pulse signals, the displacement of the object can be accurately calculated.

[0037] In some embodiments, the displacement sensor has a detection head that is positioned toward the opposite clamping arm 300.

[0038] Understandably, by pointing the detection head toward the other clamping arm 300, the relative displacement between the two clamping arms 300 can be directly measured, which can reduce errors and improve the accuracy of the measurement.

[0039] When the clamping arms 300 clamp cigarette packs of different sizes, the distance between the two clamping arms 300 changes. The detection head, facing the other clamping arm 300, can detect this distance change in real time and feed the signal back to the control system. The control system adjusts the clamping force of the clamping arms 300 based on these signals, thereby achieving adaptive clamping of cigarette packs of different sizes.

[0040] Reference Figure 1 In some embodiments, there are two displacement detection mechanisms 400, which are respectively disposed on the inner sidewalls of two opposing clamping arms 300.

[0041] It is understood that, in this embodiment, by installing displacement detection mechanisms 400 on the inner sidewalls of the two clamping arms 300 respectively, the displacement of the two clamping arms 300 can be monitored simultaneously. This dual-point measurement method can more accurately reflect the actual motion state of the clamping arms 300 and reduce errors caused by single-point measurement.

[0042] Meanwhile, if one displacement detection mechanism 400 malfunctions or malfunctions, the other displacement detection mechanism 400 can still operate normally, providing valid measurement data. This enhances measurement reliability and reduces the risk of downtime due to sensor failure. The dual displacement detection mechanisms 400 can provide real-time displacement information of the two clamping arms 300, enabling the control system to more precisely adjust the movement trajectory and clamping force of the clamping arms 300. This helps to achieve more accurate adaptive clamping of cigarette packs of different sizes and shapes.

[0043] In some embodiments, a controller is also included, which is signal-connected to the displacement detection mechanism 400 and to the clamping arm 300.

[0044] Understandably, the controller receives signals from the displacement detection mechanism 400, which contain relative position information between the clamping arm 300 and the cigarette pack (or between the clamping arms 300). The controller processes and analyzes these signals, making corresponding decisions based on preset algorithms and logic. Based on the real-time position information provided by the displacement detection mechanism 400, the controller sends control commands to the clamping arm 300 via a signal connection. These commands include parameters such as the direction of movement, speed, acceleration, and clamping force of the clamping arm 300, ensuring that the clamping arm 300 moves according to a predetermined trajectory and force. The controller has an adaptive adjustment function, capable of adjusting the motion parameters of the clamping arm 300 in real time based on the information fed back from the displacement detection mechanism 400 to adapt to cigarette packs of different sizes, shapes, and weights. This adaptive adjustment capability allows the unpacking device to handle more types of cigarette packs, improving the versatility and flexibility of the equipment.

[0045] In some embodiments, the clamping arm 300 includes a clamping arm 300 body and a clamping mechanism. The clamping mechanism is embedded in the clamping arm 300 body and is movably telescopically arranged toward another clamping arm 300 disposed opposite to it.

[0046] Understandably, the clamp arm 300 body is the main structural component of the clamp arm 300, and it typically possesses high strength and rigidity to ensure stability when holding the cigarette pack. The shape and size of the clamp arm 300 body are customized according to the needs of the actual application scenario to accommodate cigarette packs of different sizes and shapes.

[0047] The clamping mechanism is a component embedded in the clamping arm 300 body, responsible for clamping the cigarette pack. The clamping mechanism offers greater flexibility and precision. It can extend and retract towards the opposite clamping arm 300, and can adaptively adjust according to the thickness and shape of the cigarette pack, ensuring a tight and stable clamping grip. The extension and retraction mechanism can be achieved through hydraulic, pneumatic, or electric drive.

[0048] In some embodiments, the clamping arm 300 further includes a striking mechanism, which includes a rocker arm and a drive member. The rocker arm is rotatably connected to the body of the clamping arm 300, and the drive member is drivenly connected to the rocker arm. The drive member is used to drive the rocker arm to swing so as to strike the cigarette pack.

[0049] Understandably, the striking mechanism includes a rocker arm and a drive unit. The rocker arm is rotatably connected to the clamping arm 300 body, allowing the rocker arm to swing within a certain range. The drive unit is connected to the rocker arm and is responsible for providing the power required for the rocker arm to swing.

[0050] When it's necessary to tap the cigarette pack, the controller sends a command to the drive unit. Upon receiving the command, the drive unit activates and drives the rocker arm to swing. The swinging of the rocker arm generates an impact force, which acts on the cigarette pack, helping it to detach from the box or adjusting its position for more stable clamping.

[0051] In some embodiments, the material platform 200 is a conveying mechanism, including a motor, a reducer and a conveyor belt, wherein the motor is connected to the wheel axle of the conveyor belt through the reducer.

[0052] Understandably, the conveyor mechanism mainly consists of a motor, a reducer, and a conveyor belt. The motor, as the power source, provides the energy required for the conveyor belt to move. The reducer is used to reduce the motor's speed while increasing torque to ensure that the conveyor belt can move smoothly and at a constant speed. The conveyor belt is responsible for transporting the cigarette packs from one end to the other, achieving continuity and automation in the unpacking process.

[0053] In some embodiments, the adaptive unpacking device 10 for unpacking cigarette packs further includes a linkage mechanism 500, through which two clamping arms 300 are connected to the frame 100.

[0054] Understandably, the linkage mechanism 500, through the interconnection of multiple links, forms a stable support structure. This ensures that the clamping arm 300 remains stable when holding the cigarette pack, preventing swaying or displacement caused by external forces. The design of the linkage mechanism 500 allows the clamping arm 300 to generate greater clamping force when holding the cigarette pack. The linkage mechanism 500 can more effectively transmit the power provided by the drive component to the clamping arm 300, thereby improving the clamping effect.

[0055] In some embodiments, an alarm system is also included, which is electrically connected to the controller.

[0056] Understandably, an alarm system can include sensors, a signal processing unit, and an alarm output unit. In the adaptive unpacking cigarette pack unloading device 10, sensors can be installed in key locations, such as the gripper arm 300, conveyor belt, and linkage mechanism 500, to detect the operating status of these components. Once the sensors detect an abnormality, such as gripper arm 300 failing to hold, conveyor belt stopping, or linkage mechanism 500 breaking, the signal processing unit will receive the corresponding signal and process and analyze it. Finally, the alarm output unit will issue a corresponding alarm based on the processing result, such as an audible alarm, a visual alarm, or a screen display alarm.

[0057] The alarm system is electrically connected to the controller, which can acquire, process, and analyze sensor data provided by the alarm system in real time. Once the controller detects an anomaly, it immediately triggers the alarm system and issues a corresponding alert. Simultaneously, the controller can take appropriate measures based on the type and severity of the anomaly, such as stopping the unpacking process or activating backup equipment, to ensure the safe and stable operation of the entire system.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. An adaptive unpacking device for cigarette packs, characterized in that, include: frame; A material platform is located on one side of the machine frame, and the material platform is provided with a box unloading position; At least two clamping arms are mounted on the frame and symmetrically arranged on both sides of the unpacking position. The two clamping arms can move relative to each other or move along the vertical direction of the frame. A displacement detection mechanism is provided on the inner sidewall of at least one of the clamping arms, and the displacement detection mechanism is used to detect the relative position of the clamping arm and the outer surface of the cigarette box.

2. The adaptive unpacking device for cigarette packs according to claim 1, characterized in that, The displacement detection mechanism includes a contact displacement sensor, which is a grating scale pulse displacement sensor.

3. The adaptive unpacking device for cigarette packs according to claim 2, characterized in that, The displacement sensor has a detection head that is oriented toward the opposite clamping arm.

4. The adaptive unpacking device for cigarette packs according to claim 1, characterized in that, There are two displacement detection mechanisms, which are respectively disposed on the inner sidewalls of the two opposing clamping arms.

5. The adaptive unpacking device for cigarette packs according to any one of claims 1-4, characterized in that, Also includes: The controller is signal-connected to the displacement detection mechanism and to the clamping arm.

6. The adaptive unpacking device for cigarette packs according to any one of claims 1-4, characterized in that, The clamping arm includes a clamping arm body and a clamping mechanism. The clamping mechanism is embedded in the clamping arm body and can be movably extended and retracted toward the other clamping arm that is disposed opposite to it.

7. The adaptive unpacking device for cigarette packs according to claim 6, characterized in that, The clamping arm also includes a striking mechanism, which includes a rocker arm and a driving member. The rocker arm is rotatably connected to the clamping arm body, and the driving member is driven to the rocker arm. The driving member is used to drive the rocker arm to swing so as to strike the tobacco pack.

8. The adaptive unpacking device for cigarette packs according to any one of claims 1-4, characterized in that, The material platform is a conveying mechanism, including a motor, a reducer and a conveyor belt. The motor is connected to the axle of the conveyor belt through the reducer.

9. The adaptive unpacking device for cigarette packs according to any one of claims 1-4, characterized in that, The adaptive unpacking device for cigarette packs further includes a linkage mechanism, through which the two clamping arms are connected to the frame.

10. The adaptive unpacking device for cigarette packs according to claim 5, characterized in that, It also includes an alarm system, which is electrically connected to the controller.

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