A method of debunching and a debunching machine

Abstract

This invention discloses a destacking method and a destacking machine, relating to the field of destacking technology. The destacking method is applied to a destacking machine, which includes adjacent first and second destacking units. The second destacking unit is used to transport items to the first destacking unit. The destacking method includes the following steps: acquiring a real-time item value of the first destacking unit; and controlling the start and stop of the second destacking unit based on the real-time item value. The destacking machine executes the destacking method. The destacking machine includes multiple destacking units and multiple detection units. The multiple destacking units are connected sequentially along a first direction, with adjacent destacking units being the first and second destacking units, respectively. The detection units are mounted above the first destacking units, and the first direction is the direction of item transport. This invention can prevent items from being re-stacking during the destacking and transport process.

Description

Technical Field

[0001] This invention belongs to the field of de-aliasing technology, and specifically relates to a de-aliasing method and a de-aliasing machine. Background Technology

[0002] With the development of society, intelligent and fully automated control technologies are widely used in logistics warehousing to achieve high-efficiency and high-quality operating processes.

[0003] In the express delivery and e-commerce industries, goods are usually sorted by placing large stacks of packages into the sorting system in an orderly manner. Because the goods are of different shapes and sizes, they are easy to stack and difficult to separate.

[0004] Existing destacking machines are prone to causing goods to stack again when removing stacked goods, which makes it impossible to guarantee the efficiency and timeliness of goods sorting. Summary of the Invention

[0005] The purpose of this invention is to provide a de-collapse method and a de-collapse machine to solve one or more technical problems existing in the prior art.

[0006] The technical solution adopted to solve the above-mentioned technical problems is as follows: This invention discloses a de-stacking method applied to a de-stacking machine. The de-stacking machine includes adjacent first and second de-stacking units, wherein the second de-stacking unit is used to convey items to the first de-stacking unit. The de-stacking method includes the following steps: Get the real-time item value of the first folded unit; The activation and deactivation of the second de-stacking unit are controlled based on the real-time item value.

[0007] The present invention has at least the following beneficial effects: the second de-folding unit delivers items to the first de-folding unit and obtains the real-time item value of the first de-folding unit. Since the items are delivered outward on the first de-folding unit, the number of items on the first de-folding unit will change in real time. The number of items on the first de-folding unit can be accurately confirmed by the real-time item value.

[0008] The second de-stacking unit is activated or deactivated based on real-time item counts. If the first de-stacking unit contains items or too many items, and the second de-stacking unit is activated, items transported by the second unit may pile up on top of items already in the first unit, causing re-stacking and severely impacting the de-stacking efficiency. Conversely, if the second de-stacking unit is deactivated when the first unit is empty, the de-stacking efficiency is significantly reduced, making timely logistics delivery and sorting impossible.

[0009] As a further improvement to the above technical solution, the step of controlling the start and stop of the second de-stacking unit based on the real-time item value includes the following steps: When the real-time item value is zero, the second stacking unit is activated. When the real-time item value is greater than zero, the second de-stacking unit is turned off.

[0010] As a further improvement to the above technical solution, the step of controlling the start and stop of the second de-stacking unit based on the real-time item value includes the following steps: The required working signal is obtained based on the real-time item value; The current working signal is obtained from the second de-aliasing unit; The second de-aliasing unit is started or stopped according to the required operating signal and the current operating signal.

[0011] As a further improvement to the above technical solution, the de-stacking machine includes a detection unit, and the step of obtaining the real-time item value of the first de-stacking unit includes the following steps: The detection unit checks whether there is an item in the first de-stacking unit; If so, then the real-time item value is greater than zero; If not, the real-time item value is zero.

[0012] As a further improvement to the above technical solution, the de-stacking machine is equipped with a big data model, and the detection unit is a 3D vision camera. The detection unit detects whether there is an item in the first de-stacking unit, including the following steps: The 3D vision camera acquires image information from the first de-aliasing unit and sends it to the big data model. The big data model recognizes the image information, determines the real-time item value, generates the required working signal based on the real-time item value, and sends the required working signal to the second de-aliasing unit to control the second de-aliasing unit to start, stop, or adjust its speed.

[0013] This invention discloses a de-stacking machine that performs the de-stacking method described in any of the above claims. The de-stacking machine includes multiple de-stacking units and multiple detection units. The multiple de-stacking units are connected sequentially along a first direction. Two adjacent de-stacking units are respectively a first de-stacking unit and a second de-stacking unit. The detection unit is mounted above the first de-stacking unit. The first direction is the conveying direction of the items.

[0014] The present invention has at least the following beneficial effects: when the destacking machine performs the destacking method, two adjacent destacking units are respectively the first destacking unit and the second destacking unit. Therefore, the detection unit can obtain the real-time item value of the first destacking unit and control the start and stop of the second destacking unit according to the real-time item value, so as to avoid the destacking machine from re-stacking items during the destacking process and improve the destacking effect and efficiency.

[0015] As a further improvement to the above technical solution, the de-folding machine includes two sets of de-folding mechanisms, which are arranged along a second direction. Each set of de-folding mechanisms includes multiple de-folding units connected sequentially along a first direction. The second direction is a horizontal direction perpendicular to the first direction.

[0016] As a further improvement to the above technical solution, a plurality of spacers are provided between the two deflatgence mechanisms, each spacer being used to separate the two deflatgence units arranged along the second direction.

[0017] As a further improvement to the above technical solution, the spacer is hollow and has a triangular prism shape.

[0018] As a further improvement to the above technical solution, the de-stacking unit includes two belt conveyors that are independently driven and arranged at an angle, and the two belt conveyors arranged along the second direction share a single drive mechanism. Attached Figure Description

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments; Figure 1 This is a flowchart of the de-overlapping method provided in the embodiments of the present invention; Figure 2 yes Figure 1 Detailed flowchart of step S200; Figure 3 yes Figure 1 Another detailed flowchart of step S200; Figure 4 yes Figure 1 Detailed flowchart of step S100; Figure 5 This is a schematic diagram of the overall structure of the de-collapse machine provided in an embodiment of the present invention; Figure 6 This is a front view of the de-stacking machine provided in an embodiment of the present invention.

[0020] The following labels are shown in the attached diagram: 400. De-stacking machine; 500, De-aliasing unit; 510, First de-aliasing unit; 520, Second de-aliasing unit; 600. Detection unit; 700, spacer. Detailed Implementation

[0021] This section will describe in detail specific embodiments of the present invention. Preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but they should not be construed as limiting the scope of protection of the present invention.

[0022] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention 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 limiting this invention.

[0023] In the description of this invention, the use of terms such as "a number" means one or more, with "more than" meaning two or more. Terms like "greater than," "less than," and "exceeding" are understood to exclude the stated number, while terms like "above," "below," and "within" are understood to include the stated number. The use of terms like "first," "second," and "third" is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, the number of indicated technical features, or the sequential relationship between indicated technical features.

[0024] In the description of this invention, unless otherwise explicitly defined, terms such as "set up," "install," and "connect" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0025] Reference Figures 1 to 6 The following are several embodiments of the de-collapse method and de-collapse machine of the present invention.

[0026] like Figures 1 to 4 As shown, the destacking method of this embodiment of the invention is applied to a destacking machine 400. Specifically, the destacking machine 400 includes a first destacking unit 510 and a second destacking unit 520. The first destacking unit 510 and the second destacking unit 520 are arranged adjacent to each other and connected to each other, so that the second destacking unit 520 can convey items to the first destacking unit 510. The stacked items are destacking is achieved by the height difference between the output end of the second destacking unit 520 and the receiving end of the first destacking unit 510, as well as the speed difference between the two.

[0027] The de-overlap method includes steps S100 and S200, such as... Figure 1 As shown.

[0028] Step S100: Obtain the real-time item value of the first stacking unit 510.

[0029] Step S200: Control the start and stop of the second stacking unit 520 according to the real-time item value.

[0030] In step S100, the real-time item value of the first de-folding unit 510 is obtained based on the items on the first de-folding unit 510. Since the first de-folding unit 510 transports items outward, the item value on the first de-folding unit 510 will change in real time. The real-time item value is used to confirm whether there are items on the first de-folding unit 510.

[0031] In some embodiments, a preset time is set, and the real-time item value of the first de-stacking unit 510 is obtained once at preset time intervals.

[0032] In other embodiments, the first de-folding unit 510 acquires the real-time item value once for each round of delivery.

[0033] It is understandable that the first de-stacking unit 510 and the second de-stacking unit 520 achieve de-stacking of stacked items by dropping them apart due to a height difference. Therefore, in step S200, whether the second de-stacking unit 520 feeds items to the first de-stacking unit 510 is controlled according to the real-time item value to avoid the second de-stacking unit 520 directly feeding items to the first de-stacking unit 510, which would cause the fed items to re-stacking with the items on the first de-stacking unit 510, affecting the de-stacking effect.

[0034] With this setup, the destacking method controls the start and stop of the second destacking unit 520 through the real-time item value of the first destacking unit 510. This prevents items from re-stacking during the destacking process, improves the destacking effect, and ensures the efficiency and timeliness of subsequent item sorting.

[0035] In some embodiments, the input has a start value greater than zero. Specifically, when the real-time item value is less than the start value, the number of items on the first de-stacking unit 510 is small. At this time, the second de-stacking unit 520 is started, so that the second de-stacking unit 520 conveys items to the first de-stacking unit 510. During the conveying process, the items are de-stacking through height difference and speed difference.

[0036] When the real-time item value is greater than or equal to the start value, there are a large number of items on the first destabilization unit 510. At this time, the second destabilization unit 520 is turned off, and the second destabilization unit 520 is stopped from conveying items to the first destabilization unit 510, so as to avoid the items from being stacked again when they are conveyed to the first destabilization unit 510.

[0037] In this embodiment, step S200 includes steps S210 and S220, as follows: Figure 2 As shown.

[0038] Step S210: When the real-time item value is zero, control the second stacking unit 520 to start.

[0039] Step S220: When the real-time item value is greater than zero, control the second stacking unit 520 to shut down.

[0040] With this setup, once all items have been output from the first destabilization unit 510, the second destabilization unit 520 is then activated to feed items to the first destabilization unit 510, thus reliably preventing items from re-stabilizing on the destabilization machine 400.

[0041] It is understandable that step S200 also includes steps S310, S320, and S330, such as... Figure 3 As shown.

[0042] Step S310: Obtain the required working signal based on the real-time item value.

[0043] It is understandable that the required working signals include a start signal and a stop signal. When the real-time item value is zero, the required working signal is the start signal; when the real-time item value is greater than zero, the required working signal is the stop signal.

[0044] Step S320: Obtain the current working signal according to the second de-folding unit 520.

[0045] It is understandable that the current operating signal is obtained based on the current state of the second de-aliasing unit 520. Specifically, when the second de-aliasing unit 520 is in the start state, the current operating signal is the start signal; when the second de-aliasing unit 520 is in the off state, the current operating signal is the off signal.

[0046] Step S330: Control the second de-folding unit 520 to start or stop according to the required working signal and the current working signal.

[0047] It is understandable that when the required working signal is consistent with the current working signal, there is no need to control the second de-aliasing unit 520 to keep the second de-aliasing unit 520 in the start or stop state.

[0048] Understandably, when the required operating signal is inconsistent with the current operating signal, the control of the second de-aliasing unit 520 changes to start or stop according to the required operating signal.

[0049] It is understood that the de-stacking machine 400 includes a detection unit 600, and step S100 includes steps S110, S120, and S130, such as... Figure 4 As shown.

[0050] In step S110, the detection unit 600 detects whether there is an item in the first de-folding unit 510.

[0051] Step S120: If an item exists, the real-time item value is greater than zero.

[0052] Step S130: If no item exists, the real-time item value is zero.

[0053] In some embodiments, the detection unit 600 can be a photoelectric sensor. Specifically, the photoelectric sensor includes a transmitter and a receiver, which are respectively disposed on both sides of the first de-folding unit 510 perpendicular to the conveying direction. When there is an item in the first de-folding unit 510, the item blocks the light path trigger signal, and the presence of an item in the first de-folding unit 510 is stably detected.

[0054] In this embodiment, the detection unit 600 is a 3D vision camera. Specifically, the 3D vision camera pre-collects image information of the first de-aliasing unit 510 where no items exist. When step S110 is performed, the 3D vision camera collects image information of the first de-aliasing unit 510 at this time, compares the two sets of image information, and realizes the detection of whether there are items in the first de-aliasing unit 510.

[0055] In this embodiment, the de-stacking machine 400 is equipped with a big data model. Image information captured by the 3D vision camera is sent to the big data model, which compares the image information with pre-captured image information without items to determine the real-time item value. The big data model generates the required working signals based on the real-time item value and sends the required working signals to the second de-stacking unit 520 to start or stop the second de-stacking unit 520, making the de-stacking and conveying of items more intelligent and convenient.

[0056] Furthermore, the big data model can also analyze cases based on image information collected by the 3D vision camera to achieve speed adjustment of the second de-overlay unit 520.

[0057] In some embodiments, when the real-time item value of the first de-stacking unit 510 is zero and the conveying speed is greater than zero, the big data model controls the second de-stacking unit 520 to start and adjusts the conveying speed of the second de-stacking unit 520 so that it has a speed difference with the conveying speed of the first de-stacking unit 510, so as to ensure that the height difference de-stacking function and the speed difference de-stacking function are performed simultaneously.

[0058] In other embodiments, when the real-time item value of the first de-stacking unit 510 is detected to be less than a preset quantity and the conveying speed is greater than zero, the big data model predicts that the first de-stacking unit 510 can output the items within a preset time. Therefore, the big data model controls the second de-stacking unit 520 to start in advance and adjusts the conveying speed of the second de-stacking unit 520. Under the premise of ensuring that there is a speed difference between the second de-stacking unit 520 and the first de-stacking unit 510, the items are conveyed to the first de-stacking unit 510 in advance, reducing the time difference of the second de-stacking unit 520 starting to convey items and improving the de-stacking efficiency of the de-stacking machine 400.

[0059] like Figure 5 and Figure 6 As shown, the de-stacking machine 400 of this embodiment performs a de-stacking method. Specifically, the de-stacking machine 400 includes multiple de-stacking units 500 and multiple detection units 600. The multiple de-stacking units 500 are connected sequentially along a first direction, so that the items are de-stacking multiple times as they pass through the de-stacking machine 400, ensuring the de-stacking effect. The first direction is the conveying direction of the items; therefore, the front of the first direction is the direction in which the items exit the de-stacking machine 400, and the rear of the first direction is the direction in which the items enter the de-stacking machine 400.

[0060] It is understandable that two adjacent de-aliasing units 500 are respectively the first de-aliasing unit 510 and the second de-aliasing unit 520, such as... Figure 5 and Figure 6 As shown. Specifically, in addition to the two de-folding units 500 at the beginning and end along the first direction, the multiple de-folding units 500 located in the middle can serve as the first de-folding unit 510, receiving items transported by the adjacent rear de-folding unit 500; and as the second de-folding unit 520, transporting items to the adjacent front de-folding unit 500.

[0061] Understandably, the detection unit 600 is mounted above the first de-folding unit 510, such as... Figure 6 As shown. Specifically, the rear end of the de-stacking machine 400 receives items conveyed by an external conveying mechanism, allowing the items to enter the de-stacking machine 400 for de-stacking. Therefore, the de-stacking unit 500 located at the rear end of the de-stacking machine 400 is used only as a second de-stacking unit 520. Consequently, the number of detection units 600 is one less than the number of de-stacking units 500.

[0062] With this configuration, the destacking machine 400 can destacking stacked items through the height and speed differences between multiple adjacent destacking units 500, and can prevent items from being re-stacked during the destacking process, thereby improving the destacking effect and efficiency of the destacking machine 400.

[0063] It is understood that the de-folding machine 400 includes two sets of de-folding machine 400 structures, which are arranged along the second direction. Each set of de-folding machine 400 structures includes multiple de-folding units 500 connected sequentially along the first direction, wherein the second direction is a horizontal direction perpendicular to the first direction.

[0064] With this configuration, the two sets of de-stacking machines 400 can transform the de-stacking machine 400 into a de-stacking machine 400 with dual channels, increasing the number of items that the de-stacking machine 400 can de-stacking and improving the de-stacking efficiency of items.

[0065] In some embodiments, each first de-stacking unit 510 is equipped with a detection unit 600, which enables the detection unit 600 to accurately detect the real-time item value of the corresponding de-stacking unit 500.

[0066] In other embodiments, two first de-folding units 510 arranged along the second direction share a detection unit 600. The detection unit 600 simultaneously acquires image information of the two first de-folding units 510. When the big data model identifies that the real-time item values ​​of the two first de-folding units 510 are both zero, it controls the two second de-folding units 520 to start; or when the big data model identifies that the real-time item value of one of the first de-folding units 510 is zero, it controls the corresponding second de-folding unit 520 to start, thus saving the number of detection units 600 laid and the cost of the de-folding machine 400.

[0067] It is understandable that a spacer 700 is provided between the two sets of de-calculator 400 mechanisms, such as... Figure 5 As shown, this prevents items from flowing from one set of destacking machines 400 to another set of destacking machines 400 via high-low rolling or conveyor rolling, thus avoiding items moving between the two destacking machines 400 and reducing the possibility of items being re-stacked.

[0068] In this embodiment, multiple spacers 700 are provided, each spacer 700 being used to separate two stacking units 500 arranged along the second direction, such as... Figure 5 As shown. Since each de-stacking unit 500 transports items independently, the spacers 700 can be stably erected at both ends of the de-stacking unit 500 along the transport direction, thus improving the stability of the spacer layout.

[0069] It is understandable that, since the adjacent first de-folding unit 510 and second de-folding unit 520 achieve de-folding through the height difference, the input end of the first de-folding unit 510 is lower than the output end of the second de-folding unit 520, and each de-folding unit 500 tilts to transport items.

[0070] In response, the spacer 700 is parallel to the de-stacking unit 500 along the conveying direction, that is, the spacer 700 is arranged at an angle to precisely separate the two de-stacking units 500 arranged along the second direction.

[0071] In this embodiment, the spacer 700 is hollow and triangular prism-shaped. The hollow design reduces the material cost and weight of the spacer 700, and also simplifies its placement between the two de-stacking units 500. Because the spacer 700 is triangular prism-shaped, its cross-section along the conveying direction of the de-stacking unit 500 is triangular. This triangular shape provides stability, improves its resistance to deformation, and prevents deformation of the spacer 700 when it is impacted by conveyed items.

[0072] Furthermore, the cross-section of the partition 700 is an isosceles triangle with the apex pointing upwards. When an item falls above the partition 700 during the stacking process with varying heights, the item cannot remain stable on the partition 700 with the apex pointing upwards, and thus falls onto the stacking units 500 on both sides, avoiding the "sitting on the wall" problem.

[0073] In some embodiments, a stacking unit 500 is a belt conveyor that independently transports items.

[0074] In this embodiment, the stacking unit 500 includes two independently driven belt conveyors. The two belt conveyors are arranged at an angle along the conveying direction of the items. The two belt conveyors arranged along the second direction share a single drive mechanism, which saves on the number of drive mechanisms required. Furthermore, the conveying height of the items with varying heights is carried out sequentially by the two belt conveyors, which reduces the output power required by the belt conveyors.

[0075] Understandably, the drive mechanism includes a rotary motor, a coupling, a reducer, and a roller. Specifically, the output end of the rotary motor is connected to the reducer via a coupling, and the output end of the reducer is connected to the roller. The roller is mounted on the frame of the destacking machine 400 and extends in the second direction, driving two belts to transport items through friction, thus enabling one drive mechanism to start two belt conveyors.

[0076] This invention also provides a de-aliasing machine 400, including a memory, a processor, and a program stored in the memory and executable on the processor. When the program is executed by the processor, it implements the de-aliasing method of the above embodiments.

[0077] Taking the processor and memory in the de-calculator 400 as an example, which can be connected via a bus. Memory, as a non-transitory computer-readable storage medium, can be used to store non-transitory software programs and non-transitory computer-executable programs. Furthermore, memory may include high-speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid-state storage device. In some embodiments, memory may optionally include memory remotely located relative to the control processor, and these remote memories can be connected to the de-calculator 400 via a network.

[0078] The non-transient software program and instructions required to implement the control method of the above embodiments are stored in memory. When executed by the processor, the de-aliasing method in the above embodiments is executed. For example, executing... Figure 1 Method steps S100 to S200 Figure 2 Method steps S210 to S220, Figure 3 Method steps S310 to S330, Figure 4The method steps S110 to S130, etc.

[0079] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs.

[0080] Furthermore, one embodiment of the present invention provides a computer-readable storage medium storing computer-executable instructions for performing the above-described de-aliasing method. Exemplarily, the above-described method is performed... Figures 1 to 4 The methods and steps in the text.

[0081] It is worth noting that, since the computer-readable storage medium of the present invention is capable of executing the anti-aliasing method of any of the above embodiments, the specific implementation and technical effects of the computer-readable storage medium of the present invention can be referred to the specific implementation and technical effects of the anti-aliasing method of any of the above embodiments.

[0082] It will be understood by those skilled in the art that all or some of the steps and systems in the methods disclosed above can be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components can be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application-specific integrated circuit. Such software can be distributed on a computer-readable medium, which can include computer storage media (or non-transitory media) and communication media (or transient media). As is known to those skilled in the art, the term computer storage media includes volatile and non-volatile, removable and non-removable media implemented in any method or technology for storing information (such as computer-readable instructions, data structures, program modules, or other data). Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technologies, CD-ROM, digital versatile disc (DVD) or other optical disc storage, magnetic cartridges, magnetic tape, disk storage or other magnetic storage devices, or any other medium that can be used to store desired information and is accessible to a computer. Furthermore, as is known to those skilled in the art, communication media typically include computer-readable instructions, data structures, program modules, or other data in modulated data signals such as carrier waves or other transmission mechanisms, and may include any information delivery medium.

[0083] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs.

[0084] The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited to the embodiments described. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications or substitutions are all included within the scope defined by the claims of this application.

Claims

1. A method for removing overlapping layers, characterized in that, Applied to a de-stacking machine, the de-stacking machine includes adjacent first and second de-stacking units, the second de-stacking unit being used to feed items to the first de-stacking unit, the de-stacking method comprising the following steps: Get the real-time item value of the first folded unit; The activation and deactivation of the second de-stacking unit are controlled based on the real-time item value.

2. The method for de-overlapping according to claim 1, characterized in that, The method of controlling the start and stop of the second de-stacking unit based on real-time item values ​​includes the following steps: When the real-time item value is zero, the second stacking unit is activated. When the real-time item value is greater than zero, the second de-stacking unit is turned off.

3. The method for de-overlapping according to claim 1, characterized in that, The method of controlling the start and stop of the second de-stacking unit based on real-time item values ​​includes the following steps: The required working signal is obtained based on the real-time item value; The current working signal is obtained from the second de-aliasing unit; The second de-aliasing unit is started or stopped according to the required operating signal and the current operating signal.

4. The method for de-overlapping according to claim 1, characterized in that, The de-stacking machine includes a detection unit. Obtaining the real-time item value of the first de-stacking unit includes the following steps: The detection unit checks whether there is an item in the first de-stacking unit; If so, then the real-time item value is greater than zero; If not, the real-time item value is zero.

5. The method for de-overlapping according to claim 4, characterized in that, The de-stacking machine is equipped with a big data model, and the detection unit is a 3D vision camera. The detection unit detects whether there are items in the first de-stacking unit, including the following steps: The 3D vision camera acquires image information from the first de-aliasing unit and sends it to the big data model. The big data model recognizes the image information, determines the real-time item value, generates the required working signal based on the real-time item value, and sends the required working signal to the second de-aliasing unit to control the second de-aliasing unit to start, stop, or adjust its speed.

6. A de-stacking machine, characterized in that, The de-stacking method according to any one of claims 1 to 5 is performed, wherein the de-stacking machine includes a plurality of de-stacking units and a plurality of detection units, the plurality of de-stacking units are connected sequentially along a first direction, adjacent two de-stacking units are respectively a first de-stacking unit and a second de-stacking unit, and the detection unit is mounted above the first de-stacking unit, wherein the first direction is the conveying direction of the items.

7. The de-stacking machine according to claim 6, characterized in that, The de-folding machine includes two sets of de-folding mechanisms, which are arranged along a second direction. Each set of de-folding mechanisms includes multiple de-folding units connected sequentially along a first direction. The second direction is a horizontal direction perpendicular to the first direction.

8. The de-stacking machine according to claim 7, characterized in that, A plurality of spacers are provided between the two deflatgence mechanisms, each spacer being used to separate the two deflatgence units arranged along the second direction.

9. The de-stacking machine according to claim 8, characterized in that, The spacer is hollow and has a triangular prism shape.

10. The de-stacking machine according to claim 7, characterized in that, The de-stacking unit includes two belt conveyors that are independently driven and arranged at an angle, and the two belt conveyors arranged along the second direction share a common drive mechanism.

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