Gypsum board packaging and stacking system and method based on two-dimensional code recognition

Abstract

The invention discloses a gypsum board packaging and stacking system and method based on two-dimensional code recognition. A photoelectric sensor is used for sensing gypsum boards entering a board storage machine from a gypsum board production line; the scanning module is used for scanning and monitoring a two-dimensional code on a gypsum board; the control system regulates and controls the two-dimensional code scanning camera to work based on a detection result of the photoelectric sensor, the two-dimensional code scanning camera scans and identifies two-dimensional codes on gypsum boards, and the control system counts a scanning sequence of the two-dimensional code scanning camera and transfers a gypsum board group on the board storage machine; the control system counts the transferred gypsum board groups and regulates and controls the stacking module to package, stack and classify all the stacked gypsum board groups; the two-dimensional code recognition frequency on the surface of the gypsum board serves as a trigger condition for regulating and controlling gypsum board group transfer on the board storage machine and gypsum board group packaging, stacking and classification of the stacking module, the implementation mode is simple and efficient, errors are not prone to occurring, and the system stability is high.

Description

Technical Field

[0001] The present invention relates to the technical field of gypsum board identification and stacking, and in particular to a gypsum board packaging and stacking system and method based on two-dimensional code identification. Background Art

[0002] In the upstream of the entire gypsum board production line, a QR code is first printed on the surface of the produced gypsum board. The QR code information includes various information such as composition information, manufacturer information, and usage information. In order to ensure that all QR codes are included on a single gypsum board when the gypsum board is cut, the distance between two adjacent QR codes and the distance between the outermost QR code and the cutter assembly are set to be equal.

[0003] After being processed in different sections of the production line, the gypsum boards need to be put into storage. When the gypsum boards are put into storage, they are packed into storage as a whole stack (multiple gypsum board groups). The original packaging and storage system does not count the gypsum boards in combination with the recognition of QR codes. Most of them are based on the number of gypsum boards that arrive at the storage position of the gypsum boards by proximity photoelectric detection. The length of the gypsum boards needs to be calculated based on the output signal of the proximity photoelectric.

[0004] If the output signal of the proximity photoelectric is P1, it means that the gypsum board is detected. The length of the gypsum board (T*v) is determined based on the duration T of the proximity photoelectric maintaining the P1 output signal and the gypsum board conveying speed v. When the calculated gypsum board length is T*v, it is counted once, and the number of gypsum boards conveyed to the gypsum board storage location is calculated accordingly until the number of gypsum boards meets the limited number of packaging and stacking. Due to the complex counting method of the number of gypsum boards and many influencing factors, the control method of the entire packaging and stacking system is unstable. Summary of the invention

[0005] The purpose of the present invention is to provide a gypsum board packaging and stacking system and method based on QR code recognition, so as to solve the technical problem that the counting method of the number of gypsum boards in the prior art is complicated and has many influencing factors, resulting in unstable control method of the entire packaging and stacking system.

[0006] In order to solve the above technical problems, the present invention specifically provides the following technical solutions:

[0007] A gypsum board packaging and stacking system based on QR code recognition, comprising:

[0008] A photoelectric sensor is installed above the board storage machine, and the photoelectric sensor is used to sense the gypsum board entering the board storage machine from the gypsum board production line;

[0009] QR code scanning camera, installed at the board storage machine, used to scan and monitor the QR code on the gypsum board;

[0010] A board storage transfer module, used for driving the gypsum board group on the board storage machine to transfer;

[0011] The stacking module is used to uniformly pack and stack the gypsum board groups;

[0012] A control system is electrically connected to the photoelectric sensor, the two-dimensional code scanning camera, the board storage transfer module and the stacking module. The control system regulates the operation of the two-dimensional code scanning camera based on the detection result of the photoelectric sensor. The two-dimensional code scanning camera scans and identifies the two-dimensional code on the gypsum board. The control system counts the scanning sequence of the two-dimensional code scanning camera and transfers the gypsum board group on the board storage machine.

[0013] The control system counts the transferred gypsum board groups and regulates the stacking module to package and stack all the stacked gypsum board groups into categories.

[0014] As a preferred solution of the present invention, a first counter is provided in the control system, and the first counter is used to count the scan sequence of the two-dimensional code scanning camera, and the control system regulates the operation of the board storage transfer module based on the number of times the first counter counts the scan sequence, so as to transfer the gypsum board group on the board storage machine;

[0015] Wherein, the first counter counts once after the control system receives a scan sequence.

[0016] As a preferred solution of the present invention, after the number of times the first counter counts the scan sequence reaches the transfer setting value, the control system clears the first counter, and the first counter counts the scan sequence acquired by the two-dimensional code scanning camera again;

[0017] Among them, the transfer setting value is the total number of QR codes corresponding to the need to transfer the gypsum board group of the board storage machine.

[0018] As a preferred solution of the present invention, when the count value of the scanning sequence obtained by the first counter from the two-dimensional code scanning camera is an integer multiple of the transfer setting value, the control system regulates the board storage transfer module to work so as to transfer the gypsum board group on the board storage machine;

[0019] The transfer setting value is the total number of QR codes corresponding to the need to transfer the gypsum board group of the board storage machine;

[0020] When the count times of the first counter reaches the packing setting value, the control system regulates the stacking module to work so as to pack the transferred gypsum board groups;

[0021] The packing setting value at this time is the total number of QR codes corresponding to the gypsum board groups of the stacking module that need to be packed and stacked.

[0022] As a preferred solution of the present invention, a second counter is provided in the control system, and the second counter counts once when the first counter is reset, and the control system regulates the operation of the stacking module based on the number of counts of the second counter to pack the transferred gypsum board groups.

[0023] As a preferred solution of the present invention, when the count times of the second counter reaches the packing setting value, the control system controls the second counter to be reset to zero and counts again. The packing setting value at this time is the number of gypsum board groups that need to be packed and stacked on the stacking module;

[0024] When the count times of the second counter reaches the packing setting value, the control system regulates the stacking module to operate so as to pack the transferred gypsum board groups.

[0025] As a preferred solution of the present invention, when the count times of the second counter reaches an integral multiple of the packaging setting value, the control system regulates the stacking module to work so as to package the transferred gypsum board group;

[0026] The packing setting value at this time is the number of gypsum board groups that need to be packed and stacked on the stacking module.

[0027] As a preferred embodiment of the present invention, the number of two-dimensional codes printed on the surface of a single gypsum board is at least two, and the two-dimensional codes are evenly distributed on the surface of the gypsum board;

[0028] Therefore, the control system calculates the time corresponding to a single gypsum board completely passing through the QR code scanning camera as follows:

[0029] The time it takes for a single gypsum board to pass through the QR code scanning camera is T = the length of a single gypsum board / the running speed of the roller;

[0030] The time points at which the control system sends an interrupt signal to the two-dimensional code scanning camera are: T / n, T / n*2, ... T, where T is the time for a single gypsum board to completely pass through the two-dimensional code scanning device, n is the number of two-dimensional codes, and n≥2.

[0031] As a preferred solution of the present invention, the control system sends a first interrupt signal to the two-dimensional code scanning camera at time point T / n, at which time the two-dimensional code scanning camera has completed scanning the first two-dimensional code;

[0032] At the time point T / n*2, the control system sends a second interrupt signal to the two-dimensional code scanning camera. At this time, the two-dimensional code scanning camera has scanned the second two-dimensional code.

[0033] At time point T, the control system sends the nth interrupt signal to the two-dimensional code scanning camera. At this time, the two-dimensional code scanning camera has scanned the last two-dimensional code on the single gypsum board.

[0034] In addition, the present invention also provides a packing and stacking method of a gypsum board packing and stacking system for two-dimensional code recognition, comprising the following steps:

[0035] Step 100, detecting the gypsum boards transferred from the gypsum board transportation line to the board storage machine, scanning and identifying the QR codes on the gypsum boards, and counting the gypsum boards on the board storage machine based on the number of scanned sequences corresponding to each QR code;

[0036] Step 200: When the number of gypsum boards on the board storage machine reaches a transfer setting value, the gypsum boards on the board storage machine are driven to be transferred to the stacking module to form a gypsum board group;

[0037] Step 300: Count the gypsum board groups on the stacking module. When the gypsum board groups on the stacking module reach the packaging set value, all the stacked gypsum board groups are packaged and stacked for classification.

[0038] Compared with the prior art, the present invention has the following beneficial effects:

[0039] The present invention uses the number of two-dimensional code recognitions on the surface of the gypsum board as a trigger condition for regulating the transfer of gypsum board groups on the board storage machine and the packaging and stacking classification of gypsum board groups in the stacking module. The implementation method is simple and efficient, not prone to errors, and has strong system stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0041] Figure 1 A schematic diagram of one implementation of a gypsum board packaging and stacking system according to an embodiment of the present invention;

[0042] Figure 2 It is a schematic diagram of a second implementation method of the gypsum board packaging and stacking system according to an embodiment of the present invention;

[0043] The numbers in the figure represent the following:

[0044] 1-QR code scanning camera; 2-photoelectric sensor; 3-control system; 4-storage board transfer module; 5-stacking module. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] like Figure 1 and Figure 2 As shown, the present invention provides a gypsum board packaging and stacking system based on two-dimensional code recognition, including: a photoelectric sensor 2, a two-dimensional code scanning camera 1, a control system 3, a board storage and transfer module 4 and a stacking module 5.

[0047] The photoelectric sensor 2 is installed above the board storage machine, and the photoelectric sensor 2 is used to sense the gypsum boards entering the board storage machine from the gypsum board production line.

[0048] The two-dimensional code scanning camera 1 is installed at the board storage machine position and is used to scan and monitor the two-dimensional code on the gypsum board.

[0049] The board storage transfer module 4 is used to drive the gypsum board group on the board storage machine to transfer.

[0050] The stacking module 5 is used to uniformly pack, stack and classify the gypsum board groups.

[0051] The control system 3 is electrically connected to the photoelectric sensor 2, the two-dimensional code scanning camera 1, the board storage transfer module 4 and the stacking module 5. The control system 3 controls the two-dimensional code scanning camera 1 to work based on the detection result of the photoelectric sensor 2. The two-dimensional code scanning camera 1 scans and identifies the two-dimensional code on the gypsum board. The control system 3 counts the scanning sequence of the two-dimensional code scanning camera 1 and transfers the gypsum board group on the board storage machine.

[0052] The control system 3 counts the transferred gypsum board groups and regulates the stacking module 5 to package and stack all the stacked gypsum board groups into categories.

[0053] The present embodiment provides a gypsum board packaging and stacking system based on QR code recognition. The specific implementation method is: scan the gypsum boards, and package and classify the gypsum boards according to the obtained QR codes. For example, when the number of scanned QR codes reaches value a, the gypsum board group on the board storage machine is transferred. When the number of scanned QR codes reaches value b, the entire stack of gypsum boards on the stacking module 5 is uniformly packaged, stacked and classified.

[0054] The specific workflow is:

[0055] A QR code scanning camera 1 is installed at the three-control board storage machine, and a photoelectric sensor 2 is installed above the board storage machine. When the gypsum board enters the board storage machine from the production line, the photoelectric sensor 2 senses the gypsum board and transmits a signal to the control system 3. At the same time, the control system 3 controls the QR code scanning camera 1 to start scanning and detecting the QR code on the gypsum board. When the total number of scanned QR codes reaches the value a, the gypsum boards stored on the board storage machine will enter the subsequent work section.

[0056] When the total number of scanned two-dimensional codes reaches value b, that is, the stack is full, the control system 3 will classify the scanned 10 groups of two-dimensional codes into a whole stack of gypsum boards.

[0057] In order to count the QR codes detected by the QR code scanning camera 1, a first counter is provided in the control system 3, and the first counter is used to count the scanning series of the QR code scanning camera 1, and the control system 3 regulates the operation of the board storage transfer module 4 based on the number of times the first counter counts the scanning series, so as to transfer the gypsum board group on the board storage machine.

[0058] The first counter counts once after the control system 3 receives a scan sequence.

[0059] In this embodiment, the control system 3 regulates the operation of the storage plate transfer module 4 based on the counted number of the first counter in two ways:

[0060] First, the control system 3 regulates the operation of the plate storage transfer module 4 and the stacking module 5 according to the count times of the first counter and the count times of the second counter.

[0061] After the first counter counts the number of scan series to a transfer setting value, which is the total number of two-dimensional codes corresponding to the gypsum board storage machine that needs to transfer the gypsum board, the control system 3 clears the first counter, and the first counter counts the scan series obtained by the two-dimensional code scanning camera 1 again.

[0062] That is, when the first counter obtains a scanning sequence each time the two-dimensional code scanning camera 1, the first counter counts once. When the count number of the first counter reaches the transfer setting value, the control system 3 regulates the board storage transfer module 4 to work to transfer the gypsum board group on the board storage machine.

[0063] In addition, in the first implementation mode of the above-mentioned regulation of the operation of the storage board transfer module 4, the second counter driving the stacking module 5 is also required, that is, the control system 3 is provided with a second counter, the second counter counts based on the count times of the first counter, and the control system 3 regulates the operation of the stacking module 5 based on the count times of the second counter, so as to pack the transferred gypsum board groups;

[0064] The packing setting value at this time is the number of gypsum board groups that need to be packed and stacked on the stacking module 5.

[0065] The timing triggering operation of the second counter may be: the second counter counts once when the first counter is cleared, or the second counter counts once when the number of counts of the first counter is an integer multiple of the transfer setting value.

[0066] According to the above, when the first counter is reset once, it means that the board storage transfer module 4 transfers the gypsum board group on the board storage machine once, then the second counter counts once, which means that there is a first group of gypsum boards on the stacking module 5; when the first counter is reset twice, it means that the board storage transfer module 4 transfers the gypsum board group on the board storage machine twice, then the second counter counts twice, which means that there is a second group of gypsum boards on the stacking module 5, and so on, until the number of counts of the second counter reaches the packaging set value. At this time, the total number of QR codes recognized is: n*m*q, where n is the number of QR codes on a single gypsum board, m is the number of gypsum boards that the board storage machine needs to transfer, and q is the number of counts of the second counter.

[0067] Similarly, when the number of counts of the first counter is n*m*1, n is the number of QR codes on a single gypsum board, and m is the number of gypsum boards that the board storage machine needs to transfer, which means that there is a group of gypsum boards to be transferred on the board storage transfer module 4 at this time. At this time, the second counter counts once, and there is a first group of gypsum boards on the stacking module 5. When the number of counts of the first counter is n*m*2, it means that there is another group of gypsum boards to be transferred on the board storage transfer module 4 at this time. At this time, the second counter counts twice, and there is a second group of gypsum boards on the stacking module 5, and so on, until the number of counts of the second counter reaches the packaging setting value, the total number of QR codes identified is: n*m*q, where n is the number of QR codes on a single gypsum board, m is the number of gypsum boards that the board storage machine needs to transfer, and P is the number of counts of the second counter.

[0068] The working mode of the second counter is the same as that of the first counter. When the number of counts of the second counter reaches the packaging set value, the control system 3 adjusts the second counter to clear and perform the next count. When the number of counts of the second counter reaches the packaging set value, the control system 3 adjusts the stacking module 5 to work so as to package the transferred gypsum board groups.

[0069] When the counted times of the second counter reaches an integral multiple of the packaging setting value, the control system 3 regulates the operation of the stacking module 5 to package the transferred gypsum board groups.

[0070] Secondly, the control system 3 regulates the operation of the plate storage transfer module 4 and the stacking module 5 only according to the count times of the first counter, that is, only using the number of two-dimensional codes recognized by the two-dimensional code scanning camera 1 .

[0071] When the count value of the scanning sequence obtained by the first counter from the two-dimensional code scanning camera 1 is an integer multiple of the transfer setting value, the control system 3 adjusts the board storage transfer module 4 to work so as to transfer the gypsum board group on the board storage machine.

[0072] That is, when the count times of the first counter reaches an integer multiple of the transfer setting value (i.e., 2 times, 3 times, etc. of the transfer setting value), the control system 3 regulates the board storage transfer module 4 to operate so as to transfer the gypsum board group on the board storage machine.

[0073] At this time, the control system 3 can also regulate the operation of the stacking module 5 according to the number of counts of the first counter. When the number of counts of the first counter reaches the packing setting value, the control system 3 regulates the operation of the stacking module 5 to pack the transferred gypsum board groups. The packing setting value at this time is the total number of QR codes corresponding to the gypsum board groups of the stacking module 5 that need to be packed and stacked. The packing setting value = n*m*P, where n is the number of QR codes on a single gypsum board, m is the number of gypsum boards that the board storage machine needs to transfer, and P is the number of gypsum board groups that need to be packed and stacked by the stacking module 5.

[0074] In summary, the total number of QR codes corresponding to each transfer by the board storage transfer module 4 is: n*m, where n is the number of QR codes on a single gypsum board, and m is the number of gypsum boards that the board storage machine needs to transfer;

[0075] The total number of QR codes corresponding to each package and stacking of the gypsum board group in the stacking module 5 is: n*m*P, where n is the number of QR codes on a single gypsum board, m is the number of gypsum boards that the board storage machine needs to transfer, and P is the number of gypsum board groups that need to be packaged and stacked on the stacking module 5.

[0076] In order to enable the QR code scanning camera 1 to accurately identify the QR code on the surface of a single gypsum board, in the QR code printing section of the gypsum board production line, the number of QR codes printed on the surface of a single gypsum board is at least two, and the QR codes are evenly distributed on the surface of the gypsum board.

[0077] Therefore, the formula for the control system 3 to calculate the time corresponding to a single gypsum board completely passing through the QR code scanning camera 1 is:

[0078] The time T for a single gypsum board to pass through the QR code scanning camera 1 completely = the length of the single gypsum board / the running speed of the roller;

[0079] The time points at which the control system 3 sends an interrupt signal to the two-dimensional code scanning camera 1 are: T / n, T / n*2, ... T, where T is the time for a single gypsum board to completely pass through the two-dimensional code scanning device, n is the number of two-dimensional codes, and n≥2.

[0080] At time point T / n, the control system 3 sends a first interrupt signal to the two-dimensional code scanning camera 1. At this time, the two-dimensional code scanning camera 1 has completed scanning the first two-dimensional code.

[0081] At the time point T / n*2, the control system 3 sends a second interrupt signal to the two-dimensional code scanning camera 1. At this time, the two-dimensional code scanning camera 1 has already scanned the second two-dimensional code.

[0082] At time point T, the control system 3 sends the nth interrupt signal to the two-dimensional code scanning camera 1. At this time, the two-dimensional code scanning camera 1 has scanned the last two-dimensional code on the single gypsum board.

[0083] After the two-dimensional code scanning camera 1 starts working, the two-dimensional code scanning camera 1 suspends scanning based on the interrupt signal received from the control system 3, and after the two-dimensional code scanning camera 1 suspends scanning for the interrupt time set by the interrupt signal, the two-dimensional code scanning camera 1 restarts itself.

[0084] That is to say, this embodiment is used to adjust the single exposure duration of the two-dimensional code scanning camera 1. The two-dimensional code scanning camera 1 scans a two-dimensional code within each exposure duration and sends the scanned two-dimensional code information to the upper control system.

[0085] In order to facilitate the regulation of the single exposure duration of the QR code scanning camera 1, the QR code printing stage in this embodiment adjusts the working mode of the printing system, so that the number of QR codes printed on the surface of a single gypsum board is at least two, and the QR codes are evenly distributed on the surface of the gypsum board.

[0086] The packing and stacking method of the gypsum board packing and stacking system identified by the two-dimensional code comprises the following steps:

[0087] Step 100, detecting the gypsum boards transferred from the gypsum board transportation line to the board storage machine, scanning and identifying the QR codes on the gypsum boards, and counting the gypsum boards on the board storage machine based on the number of scanned sequences corresponding to each QR code;

[0088] Step 200: When the number of gypsum boards on the board storage machine reaches a transfer setting value, the gypsum boards on the board storage machine are driven to be transferred to the stacking module to form a gypsum board group;

[0089] Step 300: Count the gypsum board groups on the stacking module. When the gypsum board groups on the stacking module reach the packaging set value, all the stacked gypsum board groups are packaged and stacked for classification.

[0090] This embodiment is based on the number of times the QR code is recognized on the surface of the gypsum board as a trigger condition for regulating the transfer of gypsum board groups on the board storage machine and the packaging and stacking classification of gypsum board groups in the stacking module. The implementation method is simple and efficient, not prone to errors, and the system has strong stability.

[0091] Embodiment 2:

[0092] This embodiment specifically gives the following example: when the number of QR codes on a single heated gypsum board is 4, and when 4 gypsum boards are received on the board storage and transfer module, the 4 gypsum boards need to be formed into a gypsum board group and transferred to the stacking module; and when there are 10 gypsum board groups on the stacking module, the 10 gypsum board groups formed by 4 gypsum boards are packaged, stacked and classified.

[0093] The control system controls the operation of the storage plate transfer module and the stacking module only according to the count times of the first counter, that is, only using the number of two-dimensional codes recognized by the two-dimensional code scanning camera:

[0094] When the count times of the first counter reaches 4*4, it means that there are 4 gypsum boards on the board storage machine. At this time, the control system controls the board storage transfer module to transfer the gypsum board group formed by the 4 gypsum boards to the stacking module.

[0095] When the count times of the first counter reaches 4*4*10, it means that there are 10 groups of gypsum boards in the stacking module. At this time, the control system controls the stacking module to pack and stack the 10 groups uniformly.

[0096] Furthermore, when the count number of the first counter reaches an integer multiple of 4*4 (≥2), it means that the board storage machine has received 4 gypsum boards again. At this time, the control system controls the board storage transfer module to transfer the gypsum board group formed by the 4 gypsum boards to the stacking module.

[0097] When the count times of the first counter reaches an integer multiple of 4*4*10 (≥2), it means that the stacking module has received 10 groups of gypsum boards again. At this time, the control system controls the stacking module to pack and stack the 10 groups together.

[0098] The control system adjusts the operation of the storage plate transfer module and the stacking module according to the count times of the first counter and the count times of the second counter as follows:

[0099] When the count times of the first counter reaches 4*4, it means that there are 4 gypsum boards on the board storage machine at this time. At this time, the control system controls the board storage transfer module to transfer the gypsum board group formed by the 4 gypsum boards to the stacking module, and the second counter counts once. When the technical times of the second counter reaches 10 times, the control system controls the stacking module to pack and stack the 10 groups together. Or when the technical times of the second counter reaches an integer multiple of 10 times (≥2), it means that the stacking module has received 10 groups of gypsum boards again. At this time, the control system controls the stacking module to pack and stack the 10 groups together.

[0100] Alternatively, when the counting number of the first counter reaches an integer multiple of 4*4*10 (≥2), it means that the stacking module has received 10 groups of gypsum boards again, and the second counter counts once. When the technical number of the second counter reaches 10 times, the control system controls the stacking module to pack and stack the 10 groups together, or when the technical number of the second counter reaches an integer multiple of 10 times (≥2), it means that the stacking module has received 10 groups of gypsum boards again, and the control system controls the stacking module to pack and stack the 10 groups together.

[0101] The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application. The protection scope of the present application is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present application within the essence and protection scope of the present application, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present application.

Claims

1. A gypsum board packaging and stacking system based on QR code recognition, characterized in that: include: A photoelectric sensor (2) is installed above the board storage machine, and the photoelectric sensor (2) is used to sense the gypsum board entering the board storage machine from the gypsum board production line; A two-dimensional code scanning camera (1) is installed at the board storage machine and is used to scan and monitor the two-dimensional code on the gypsum board; A board storage transfer module (4) is used to drive the gypsum board group on the board storage machine to transfer; A stacking module (5) is used to uniformly pack and stack the gypsum board groups for classification; A control system (3) is electrically connected to the photoelectric sensor (2), the two-dimensional code scanning camera (1), the board storage transfer module (4) and the stacking module (5); the control system (3) controls the operation of the two-dimensional code scanning camera (1) based on the detection result of the photoelectric sensor (2); the two-dimensional code scanning camera (1) scans and identifies the two-dimensional code on the gypsum board; the control system (3) counts the scanning sequence of the two-dimensional code scanning camera (1) and transfers the gypsum board group on the board storage machine; The control system (3) counts the transferred gypsum board groups and regulates the stacking module (5) to package and stack all the stacked gypsum board groups into categories.

2. A gypsum board packaging and stacking system based on two-dimensional code recognition according to claim 1, characterized in that: The control system (3) is provided with a first counter, the first counter is used to count the scan sequence of the two-dimensional code scanning camera (1), and the control system (3) regulates the operation of the board storage transfer module (4) based on the number of times the first counter counts the scan sequence, so as to transfer the gypsum board group on the board storage machine; The first counter counts once after the control system (3) receives a scan sequence.

3. The gypsum board packaging and stacking system based on two-dimensional code recognition according to claim 2 is characterized in that: After the number of times the first counter counts the scan sequence reaches a transfer setting value, the control system (3) clears the first counter, and the first counter counts the scan sequence acquired by the two-dimensional code scanning camera (1) again; Among them, the transfer setting value is the total number of QR codes corresponding to the need to transfer the gypsum board group of the board storage machine.

4. The gypsum board packaging and stacking system based on two-dimensional code recognition according to claim 2 is characterized in that: When the count value of the scanning sequence obtained by the first counter from the two-dimensional code scanning camera (1) is an integer multiple of the transfer setting value, the control system (3) regulates the operation of the board storage transfer module (4) to transfer the gypsum board group on the board storage machine; The transfer setting value is the total number of QR codes corresponding to the need to transfer the gypsum board group of the board storage machine; When the number of times counted by the first counter reaches a packaging setting value, the control system (3) regulates the stacking module (5) to operate so as to package the transferred gypsum board groups; The packaging setting value at this time is the total number of QR codes corresponding to the need to package and stack the gypsum board groups of the stacking module (5).

5. The gypsum board packaging and stacking system based on two-dimensional code recognition according to claim 3 is characterized in that: The control system (3) is provided with a second counter, which counts once when the first counter is reset, and the control system (3) regulates the operation of the stacking module (5) based on the number of counts of the second counter, so as to pack the transferred gypsum board groups.

6. A gypsum board packaging and stacking system based on two-dimensional code recognition according to claim 5, characterized in that: When the number of counts of the second counter reaches a packing setting value, the control system (3) controls the second counter to reset to zero and perform the next count, and the packing setting value at this time is the number of gypsum board groups that need to be packed and stacked on the stacking module (5); When the counted number of times of the second counter reaches the packaging set value, the control system (3) regulates the operation of the stacking module (5) to package the transferred gypsum board groups.

7. The gypsum board packaging and stacking system based on two-dimensional code recognition according to claim 5 is characterized in that: When the counted number of times of the second counter reaches an integer multiple of the packaging setting value, the control system (3) regulates the operation of the stacking module (5) to package the transferred gypsum board groups; The packing setting value at this time is the number of gypsum board groups that need to be packed and stacked on the stacking module (5).

8. The gypsum board packaging and stacking system based on two-dimensional code recognition according to claim 1, characterized in that: The number of QR codes printed on the surface of a single gypsum board is at least two, and the QR codes are evenly distributed on the surface of the gypsum board; Therefore, the control system (3) calculates the time corresponding to a single gypsum board completely passing through the two-dimensional code scanning camera (1) as follows: The time T for a single gypsum board to completely pass through the QR code scanning camera (1) = the length of the single gypsum board / the running speed of the roller; The time points at which the control system (3) sends an interrupt signal to the two-dimensional code scanning camera (1) are respectively: T / n, T / n*2, ... T, wherein T is the time for a single gypsum board to completely pass through the two-dimensional code scanning device, n is the number of two-dimensional codes, and n≥2.

9. A gypsum board packaging and stacking system based on two-dimensional code recognition according to claim 8, characterized in that: The control system (3) sends a first interrupt signal to the two-dimensional code scanning camera (1) at time point T / n, at which time the two-dimensional code scanning camera (1) has already scanned the first two-dimensional code; The control system (3) sends a second interrupt signal to the two-dimensional code scanning camera (1) at the time point T / n*2, at which time the two-dimensional code scanning camera (1) has already scanned the second two-dimensional code; At time point T, the control system (3) sends the nth interrupt signal to the two-dimensional code scanning camera (1). At this time, the two-dimensional code scanning camera (1) has completed scanning the last two-dimensional code on the single gypsum board.

10. A packing and stacking method of a gypsum board packing and stacking system based on the two-dimensional code recognition according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 100, detecting the gypsum boards transferred from the gypsum board transportation line to the board storage machine, scanning and identifying the QR codes on the gypsum boards, and counting the gypsum boards on the board storage machine based on the number of scanned sequences corresponding to each QR code; Step 200: When the number of gypsum boards on the board storage machine reaches a transfer setting value, the gypsum boards on the board storage machine are driven to be transferred to the stacking module to form a gypsum board group; Step 300: Count the gypsum board groups on the stacking module. When the gypsum board groups on the stacking module reach the packaging set value, all the stacked gypsum board groups are packaged and stacked for classification.

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