CN116090928A - Logistics sorting system, control method and control equipment thereof and storage medium - Google Patents
Logistics sorting system, control method and control equipment thereof and storage medium Download PDFInfo
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Abstract
The invention discloses a logistics sorting system, a control method, control equipment and a computer readable storage medium thereof, which comprise a sorting and rechecking subsystem, a goods collecting and buffering subsystem and a transition conveying line arranged between the sorting and rechecking subsystem and the goods collecting and buffering subsystem, wherein the sorting and rechecking subsystem comprises a first code reader, a display, a second code reader, a rechecking conveyor, a camera and an annular sorting machine, and the goods collecting and buffering subsystem comprises an annular buffering line, a plurality of branch buffering lines, a plurality of lifters, a plurality of shuttle conveyors and a plurality of shelves. The invention is used for realizing a sorting operation mode with higher automation degree, and can effectively reduce the participation of manual labor so as to reduce the labor cost and the labor intensity and improve the picking efficiency.
Description
Technical Field
The invention relates to the technical field of logistics automation, in particular to a logistics sorting system, a control method, control equipment and a computer readable storage medium thereof.
Background
Batch picking is a common picking operation mode, in which a plurality of orders are collected into a batch, the number of the commodities is added together according to the commodity types, then the manual picking is performed (namely, the total picking) and then the processes of sorting, rechecking, boxing, packing and collecting are performed according to different clients or different orders.
In the existing logistics sorting system, links such as sorting, rechecking, boxing, packing and goods collecting are carried out manually to a great extent, so that the labor cost is high, the labor intensity is high, the time is long, and the goods sorting efficiency is not improved.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a logistics sorting system, a control method, control equipment and a computer readable storage medium thereof, which are used for realizing a sorting operation mode with higher automation degree, and can effectively reduce the participation of manual labor so as to reduce the labor cost and the labor intensity and improve the sorting efficiency.
The logistics sorting system is realized by adopting the following technical scheme:
a logistics sorting system comprises a sorting and re-nuclear subsystem, a cargo collecting and buffering subsystem and a transition conveying line arranged between the sorting and re-nuclear subsystem and the cargo collecting and buffering subsystem;
the sorting and re-checking subsystem comprises a first code reader, a display, a second code reader, a re-checking conveyor, a camera and an annular sorting machine, wherein the first code reader is used for reading bar code information of the total sorting box, the display is used for displaying order requirement information of the total sorting box, the second code reader is used for reading bar code information of commodities, the re-checking conveyor is used for bearing the commodities to be re-checked and conveying the commodities qualified in re-checking to the annular sorting machine, the camera is used for shooting the commodities to be re-checked borne on the re-checking conveyor, and the annular sorting machine is used for conveying the commodities to the distribution box;
the goods collecting and buffering subsystem comprises an annular buffer line, a plurality of branch buffer lines, a plurality of lifters, a plurality of shuttle-type conveyors and a plurality of goods shelves, wherein the input end of each branch buffer line is connected with the annular buffer line, the output end of each branch buffer line is connected with the corresponding lifter, the annular buffer line is provided with a swinging machine at a position connected with each branch buffer line, each shuttle-type conveyor is provided with a travelling rail and a shuttle car running on the travelling rail, the shuttle car passes through the travelling rail and goes back and forth between the corresponding lifter and each goods shelf, a third code reader is arranged on each annular buffer line, and a fourth code reader is arranged on each branch buffer line and used for reading bar code information of a distribution box;
the transition conveying line is used for conveying the packed distribution boxes to the annular cache line.
Further, the annular sorting machine comprises an annular track and a plurality of sorting carts running on the annular track, wherein the sorting carts are used for receiving commodities conveyed by the rechecking conveyor, a plurality of slide ways are arranged on the inner periphery and/or the outer periphery of the annular track, and the slide ways are used for receiving the commodities conveyed by the sorting carts and guiding the commodities to the distribution box.
Further, the sorting and re-checking subsystem further comprises a light projection device, wherein the light projection device is used for forming projections on the conveying surface of the re-checking conveyor so as to identify a re-checking area for placing commodities to be re-checked.
Further, the conveying surface of the rechecking conveyor comprises a first conveying surface and a second conveying surface, the rechecking area projected by the lamplight projection device is positioned on the first conveying surface, the second conveying surface is positioned at the output end of the first conveying surface, and the second conveying surface is used for receiving rechecked qualified commodities and conveying the rechecked qualified commodities to the annular sorting machine; and grating devices are arranged on two sides of the first conveying surface and are used for detecting hands of people or detecting whether commodities exist in the rechecking area.
Further, the annular cache line is provided with a sensing device at a position corresponding to the swinging machine.
Further, the goods shelf is provided with a plurality of layers of slide rail groups distributed from top to bottom, each layer of slide rail group consists of a plurality of self-gravity slide rails, the travelling rails of the shuttle conveyor are provided with a plurality of layers, and each layer of travelling rail is provided with a shuttle; the travelling rails and the slideway groups are arranged in a one-to-one correspondence manner; the input end of the self-gravity slideway is arranged on the side edge of the travelling rail, the output end of the self-gravity slideway is provided with a limiting structure, and the shuttle vehicle reciprocates between the lifting machine and the self-gravity slideway.
Further, a plurality of buffer output lines distributed from top to bottom are arranged between the hoister and the shuttle conveyor, the buffer output lines and the travelling rails are arranged in a one-to-one correspondence manner, and the shuttle vehicle reciprocates between the output end of the buffer output lines and the input end of the self-gravity slideway.
The control method of the invention is realized by adopting the following technical scheme:
a method of controlling a logistics sorting system as described above, comprising the steps of:
reading bar code information of the total sorting bin by a first code reader, searching order requirement information of the total sorting bin according to the bar code information of the total sorting bin and displaying the order requirement information on a display, wherein each piece of order requirement information comprises commodity SKUs and quantity requirements associated with the commodity SKUs;
the bar code information of the commodity is read through the second reader, corresponding commodity SKU information is searched according to the bar code information of the commodity, and whether the commodity SKU information is matched with the commodity SKU of the current order requirement information or not is checked;
shooting the commodity to be rechecked on the rechecked conveyor through a camera, counting the current commodity to be rechecked according to the shot image, checking whether the counting data is matched with the quantity requirement of the current order requirement information, and if so, controlling the rechecked conveyor to convey the commodity to the annular sorting machine;
conveying the commodities to a distribution box through an annular sorting machine;
conveying the packed distribution boxes to an annular cache line through a transition conveying line;
the bar code information of the distribution box is read through a third code reader so as to find out the branch cache line which the distribution box needs to enter, and the distribution box is conveyed to the corresponding branch cache line through a balance wheel machine;
and reading bar code information of the delivery boxes through a fourth code reader so as to find the goods shelf positions required to be entered by the delivery boxes, receiving the delivery boxes of the branch cache lines through the elevator, receiving the delivery boxes of the elevator through a shuttle of the shuttle type conveyor, and conveying the delivery boxes to the corresponding goods shelf positions.
The control equipment of the invention is realized by adopting the following technical scheme:
a control device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the control method described above when executing the computer program.
The computer readable storage medium of the present invention is realized by the following technical scheme:
a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the control method described above.
Compared with the prior art, the invention has the beneficial effects that:
the logistics sorting system, the control method, the control equipment and the computer readable storage medium are used for realizing a sorting operation mode with higher automation degree, manual operation is basically concentrated on two links of unpacking and sorting (for the total sorting box) and packing and distributing boxes, and other links such as rechecking, boxing and goods collecting are automated, so that the participation degree of manual labor is effectively reduced, the labor cost and labor intensity are reduced, and the goods sorting efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a physical distribution sorting system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a sorting review subsystem of the logistics sorting system of FIG. 1;
FIG. 3 is a partial block diagram of the sort review subsystem of FIG. 2;
FIG. 4 is a schematic diagram of a review conveyor of the sort review subsystem of FIG. 2;
FIG. 5 is a combined block diagram of the annular sorter and boxing slide of the sort review subsystem of FIG. 2;
FIG. 6 is a schematic diagram of a collection buffer subsystem of the logistics sorting system of FIG. 1;
FIG. 7 is a partial block diagram of the cargo collection caching subsystem shown in FIG. 6;
FIG. 8 is another partial block diagram of the cargo collection cache subsystem shown in FIG. 6;
FIG. 9 is a block diagram of a combination of lifts, shuttle conveyors, and shelves of the collection buffer subsystem of FIG. 6;
FIG. 10 is a side view of the structure shown in FIG. 9;
FIG. 11 is a combined block diagram of a hoist and shuttle of the collection buffer subsystem of FIG. 6;
FIG. 12 is a side view of the structure shown in FIG. 11;
FIG. 13 is a schematic diagram of the structure of a shelf of the collection caching subsystem of FIG. 6;
fig. 14 is a flow chart of a method of controlling a logistics sorting system in accordance with an embodiment of the present invention.
In the figure: 1. sorting and rechecking subsystems; 11. a first code reader; 12. a display; 13. a second reader; 14. rechecking the conveyor; 141. a first conveying surface; 142. a second conveying surface; 143. a grating device; 15. a camera; 16. an annular sorting machine; 161. sorting vehicle; 162. a boxing slideway; 163. a distribution box; 17. a light projection device; 171. a rechecking area; 18. a work table; 19. a general picking box conveying line; 2. a collection caching subsystem; 21. a circular cache line; 211. a swinging wheel machine; 212. a third code reader; 213. an induction device; 214. an exception cache line; 22. a branch cache line; 221. a fourth code reader; 23. a hoist; 231. buffering the output line; 24. a shuttle conveyor; 241. a travelling rail; 242. a shuttle; 25. a goods shelf; 251. self-gravity slideway; 252. a limit structure; 3. and (5) a transition conveying line.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
The embodiment of the invention provides a logistics sorting system, which comprises a sorting and re-nuclear subsystem 1, a cargo collecting and buffering subsystem 2 and a transition conveying line 3 arranged between the sorting and re-nuclear subsystem and the cargo collecting and buffering subsystem;
the sorting and re-checking subsystem 1 comprises a first code reader 11, a display 12, a second code reader 13, a re-checking conveyor 14, a camera 15 and an annular sorting machine 16, wherein the first code reader 11 is used for reading bar code information of a total sorting box, the display 12 is used for displaying order requirement information of the total sorting box, the second code reader 13 is used for reading bar code information of commodities, the re-checking conveyor 14 is used for bearing the commodities to be re-checked and conveying the qualified commodities to be re-checked to the annular sorting machine 16, the camera 15 is used for shooting the commodities to be re-checked borne on the re-checking conveyor 14, and the annular sorting machine 16 is used for conveying the commodities to a distribution box;
the cargo collecting and buffering subsystem 2 comprises an annular buffer line 21, a plurality of branch buffer lines 22, a plurality of lifters 23, a plurality of shuttle conveyors 24 and a plurality of shelves 25, wherein the input end of each branch buffer line 22 is connected with the annular buffer line 21, the output end of each branch buffer line 22 is connected with each lifter 23, the annular buffer line 21 is provided with a swinging machine 211 at the position where the corresponding branch buffer line 22 is connected, each shuttle conveyor 24 is provided with a travelling rail 241 and a shuttle 242 running on the travelling rail 241, the shuttle 242 reciprocates between each lifter 23 and each shelf 25 through the travelling rail 241, the annular buffer line 21 is provided with a third code reader 212, the branch buffer line 22 is provided with a fourth code reader 221, and the third code reader 212 and the fourth code reader 221 are used for reading bar code information of a distribution box;
the transition conveyor line 3 is used to convey the packed distribution boxes to the endless buffer line 21.
The total picking box refers to a box loaded with a plurality of commodities, which is obtained through a total picking flow in a batch picking mode, and one total picking box can be filled with only one commodity or a plurality of commodities. In addition, in an embodiment of the present invention, each piece of order requirement information includes a commodity SKU and a quantity requirement associated with the commodity SKU. For example, an order requirement information may be represented by these three factors: store name; a commodity SKU; the number requirements. For another example, a single master sort bin may have 40 pieces of order requirement information corresponding to the relevant order requirements of 40 stores, with the staff performing unpacking and picking operations in order according to each piece of order requirement information.
In the logistics sorting system according to the embodiment of the present invention, the ring sorter 16 includes a ring rail and a plurality of sorting carriages 161 running on the ring rail, the sorting carriages 161 are used for receiving the goods conveyed by the rechecking conveyor 14, the inner circumference and/or the outer circumference of the ring rail are provided with a plurality of packing slides 162, and the packing slides 162 are used for receiving the goods conveyed by the sorting carriages 161 and guiding the goods to the distribution boxes 163. The box sealing and packing operation of the distribution box 163 is performed manually, and the packed distribution box 163 can be discharged through the transition conveying line 3 below the box packing slide 162. Wherein each packing skid 162 represents a store, given the 40 skids, this means that sorting work can be performed for 40 stores simultaneously. In addition, a bar code label machine should be disposed near the boxing slide 162 for printing bar code label labels, and when the staff is finished packaging the boxes, the bar code labels need to be attached to the surfaces of the distribution boxes, so as to facilitate the code reading and identification of the third code reader 212 and the fourth code reader 221.
In the logistics sorting system according to the embodiment of the present invention, the sorting and re-checking subsystem 1 further includes a light projection device 17, where the light projection device 17 is configured to form a projection on the conveying surface of the re-checking conveyor 14, so as to identify a re-checking area 171 for placing the goods to be checked. The conveying surface of the rechecking conveyor 14 includes a first conveying surface 141 and a second conveying surface 142, the rechecking area 171 projected by the light projection device 17 is located on the first conveying surface 141, the second conveying surface 142 is located at an output end of the first conveying surface 141, and the second conveying surface 142 is used for receiving rechecked qualified products and conveying the products to the annular sorting machine 16.
If a specific rechecking area 171 is not marked on the rechecking conveyor 14, the situation that the commodity is placed too dispersedly or the placement position is incorrect easily occurs, and if the rechecking area 171 is not provided, it is difficult for the staff to determine where is the area that can be effectively shot by the camera; in addition, if the goods are placed too dispersedly, it may be difficult for the goods to be transferred to the same sorting carriage 161 at one time, so that there may be a case where the goods are sorted out of order. Therefore, in order to avoid the occurrence of the above-described problem, it is necessary to identify a specific review area 171 on the conveying surface of the review conveyor 14 to define the position and size of the placement area of the article to be reviewed.
However, the conveying surface of the rechecking conveyor 14 is usually composed of the surface of a roller or a belt, and assuming that the rechecking area is a square frame, it is obviously meaningless to draw a square frame or paste a square frame on the surface of the roller or the belt, so that a rechecking area is identified on the rechecking conveyor 14 by adopting a light projection mode, and the position and the size of the projected rechecking area are fixed no matter how the roller or the belt moves.
In addition, the light projection device 17 is also a way to provide a light source, for example, by adjusting the brightness, contrast, and other light source properties of the light, so as to improve the shooting effect, improve the recognition accuracy of the camera, and improve the accuracy of counting and rechecking. Also, an alarm may be raised by changing the light effect, indicating that the count review does not pass.
Preferably, grating devices 143 are disposed on both sides of the first conveying surface 141, and the grating devices 143 are used for detecting hands of a person or detecting whether goods exist in the checking area 171. The grating device 143 is arranged to provide a trigger way for counting re-checking, when the hand of a person is detected, the camera 15 takes a picture, which is used for counting re-checking. The purpose of this arrangement is to avoid meaningless shooting or counting, to save computing resources and to reduce energy consumption.
In the sorting and re-nuclear subsystem 1 according to the embodiment of the present invention, the sorting and re-nuclear subsystem further includes a workbench 18, the display 12 is disposed on the workbench 18, and the workbench 18 can be used for placing a total sorting bin, so as to facilitate the unpacking and sorting operation by the staff. The sorting and re-nuclear subsystem 1 further comprises a total sorting bin conveying line 19, and a workbench 18 is arranged at the output end of the total sorting bin conveying line 19; wherein, the first reader 11 and the second reader 13 are arranged on the workbench 18; alternatively, the first reader 11 is disposed on the pick box conveyor line 19 and the second reader 13 is disposed on the table 18. Wherein the first reader 11 is arranged on the box-to-box conveyor line 19 for the purpose of automatically reading bar code information of the box-to-box during conveying of the box-to-box for further reducing the amount of manual labor.
In the logistics sorting system according to the embodiment of the present invention, the annular buffer line 21 is provided with a sensing device 213 at a position corresponding to the swing machine 211. The sensing device 213 is used for sensing whether the dispensing box reaches the position of the balance 211, so that the balance 211 can perform the conveying operation.
In the logistics sorting system according to the embodiment of the present invention, the branch buffer lines 22 and the balance wheel machines 211 corresponding to the branch buffer lines are sequentially arranged along the conveying direction of the annular buffer line 21, and the third code reader 212 is located between the transition conveying line 3 and the balance wheel machine 211 corresponding to the first branch buffer line 22. The first branch cache line 22 refers to a first branch cache line that the distribution box passes through after entering the ring cache line 21 from the transition line 3, and may be said to be the foremost branch cache line. The purpose of this is to avoid situations where the dispatch box meaningless passes through a branch cache line.
In the logistics sorting system according to the embodiment of the present invention, the ring cache line 21 is further connected with the abnormal cache line 214, and the positions of the abnormal cache line 214 are arranged behind all the branch cache lines 22, and the ring cache line 21 is also provided with the swing machine 211 at the position where the abnormal cache line 214 is connected. The main purpose of the exception buffer line 214 is to handle the condition that the bar code of the distribution box is ambiguous and unclear, and when the bar code of the distribution box cannot be read normally by the third code reader 212, the exception distribution boxes are sent to the exception buffer line 214 for buffering, and are handled manually.
In the logistics sorting system of the embodiment of the invention, the goods shelf 25 is provided with a plurality of layers of slide ways which are distributed from top to bottom, each layer of slide way group consists of a plurality of self-gravity slide ways 251, the travelling rails 241 of the shuttle conveyor 24 are provided with a plurality of layers, and each layer of travelling rails 241 is provided with a shuttle 242; the driving rails 241 and the slideway groups are arranged in a one-to-one correspondence manner; the input end of the gravity slide 251 is arranged at the side edge of the travelling rail 241, the output end of the gravity slide 251 is provided with a limit structure 252, and the shuttle 242 reciprocates between the elevator 23 and the gravity slide 251. In this embodiment, the gravity slide is a fluent strip slide.
Specifically, a plurality of buffer output lines 231 are disposed between the hoist 23 and the shuttle conveyor 24 from top to bottom, and the buffer output lines 231 and the travelling rails 241 are disposed in a one-to-one correspondence, and the shuttle 242 reciprocates between the output end of the buffer output lines 231 and the input end of the gravity slideway 251. Each store may be assigned a particular gravity ramp 251 on the shelf 25, i.e., for a particular gravity ramp 251, the stored distribution boxes all belong to the same particular store; therefore, the function of classified storage according to stores is realized, so that a large number of distribution boxes can be accurately taken out without error only by identifying the self-gravity slideway corresponding to the distribution store by a distribution person, and the distribution boxes are not required to be identified one by one; therefore, the cargo collecting and buffering subsystem provided by the embodiment of the invention can be used for automatically classifying and storing the distribution boxes, can effectively improve the distribution efficiency and is beneficial to preventing the situation of error leakage.
Referring to fig. 14, the embodiment of the present invention further provides a control method of the above-mentioned logistics sorting system, the control method comprising the steps of:
s1, reading bar code information of a total sorting box through a first code reader, searching order requirement information of the total sorting box according to the bar code information of the total sorting box, and displaying the order requirement information on a display, wherein each piece of order requirement information comprises commodity SKUs and quantity requirements associated with the commodity SKUs;
s2, reading bar code information of the commodity through a second reader, searching corresponding commodity SKU information according to the bar code information of the commodity, and checking whether the commodity SKU information is matched with the commodity SKU of the current order requirement information;
s3, counting and rechecking: shooting the commodity to be rechecked on the rechecked conveyor through a camera, counting the current commodity to be rechecked according to the shot image, checking whether the counting data is matched with the quantity requirement of the current order requirement information, and if so, controlling the rechecked conveyor to convey the commodity to the annular sorting machine;
s4, conveying the commodities to a distribution box through an annular sorting machine;
s5, conveying the packaged distribution boxes to an annular cache line through a transition conveying line;
s6, reading bar code information of the distribution box through a third code reader to find out a branch cache line which the distribution box needs to enter, and conveying the distribution box to the corresponding branch cache line through a balance wheel machine; if the number of the distribution boxes cached by the branch cache line reaches a preset value, the swing machine conveys the distribution boxes to the conveying direction of the annular cache line;
s7, reading bar code information of the delivery box through a fourth code reader to find a goods shelf position (the goods shelf position in the step refers to a self-gravity slideway into which the delivery box needs to enter), receiving the delivery box of the branch cache line through a lifting machine, receiving the delivery box of the lifting machine through a shuttle of the shuttle type conveyor, and conveying the delivery box to the corresponding goods shelf position.
Preferably, in the step S3 of checking the count, AI visual count is adopted: by means of deep learning, a convolutional neural network model is trained and used to locate targets and count photographed images.
Preferably, in the step S3 of checking the count, a code reading count is further adopted: the bar code or the supervision code present in the photographed image is identified to obtain count data on the bar code or the supervision code.
Preferably, in the step of S3, the count rechecking is performed by setting the count data of the code reading count to the count data for checking if the count data of the code reading count is greater than the count data of the AI visual count, and otherwise setting the count data of the AI visual count to the count data for checking.
The embodiment of the invention also provides control equipment (namely an upper computer) of the logistics sorting system, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the control method of the logistics sorting system is realized when the processor executes the computer program.
How to improve the accuracy of counting rechecking is the key for realizing the control method, and the control method mainly adopts AI vision counting and is assisted with code reading counting so as to improve the counting accuracy. In many cases, since a plurality of commodities are placed in the review area 171 and are easily blocked, it is difficult to identify all the barcodes or the supervisory codes, and therefore the count data of the code reading count is generally smaller than or equal to the count data of the AI visual count, however, if the count data of the code reading count is larger than the count data of the AI visual count, it is basically possible to determine that the count data of the AI visual count is wrong, and therefore the count data of the code reading count is used as the count data for the review at this time.
The embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, which when being executed by a processor, realizes the control method of the logistics sorting system.
Based on the logistics sorting system, the control method, the control equipment and the computer readable storage medium, the following sorting operation modes can be realized:
arranging staff at a position beside the work bench 18 and beside the boxing slide 162;
the staff receives the total sorting box and reads the bar code information of the total sorting box by using the first reader 11, then the order requirement information of the total sorting box is displayed on the display 12, and then the staff performs the unpacking sorting operation according to the order requirement information;
when the unpacking operation is carried out, a worker can firstly take out a single commodity from the total sorting box, and the second reader 13 is used for reading the bar code information of the commodity, the control equipment (namely the upper computer) searches the corresponding commodity SKU information according to the bar code information of the commodity, and then checks whether the commodity SKU information is matched with the commodity SKU of the current order requirement information;
after confirming that the commodity SKUs are matched, a worker picks out the commodity with the matched quantity according to the quantity requirement of the current order requirement information, and places the commodity in a rechecking area 171 on a rechecking conveyor 14, then a camera 15 shoots the (commodity to be rechecked) in the rechecking area 171, a control device counts according to the shot image, and checks whether the count data is matched with the quantity requirement of the current order requirement information (namely counting rechecking);
if the count is qualified, the rechecking conveyor 14 conveys the qualified products to the annular sorting machine, the sorting vehicle thereon receives the products and conveys the products to the boxing slide 162 representing the corresponding store, and the boxing slide 162 guides the products to the corresponding distribution boxes;
the staff beside the boxing slide 162 mainly performs packing and box sealing operation of the distribution boxes, sticks bar code labels to the packed distribution boxes, places the packed distribution boxes on the transition conveying line 3, and installs the distribution boxes in the upper air in the original position;
then the transition conveying line 3 conveys the packaged delivery box to the annular cache line 21, when the delivery box passes through the third code reader 212, the third code reader 212 reads the bar code information on the delivery box, and the control equipment knows the store to which the delivery box belongs according to the bar code information, so that the goods shelf 25 of the self-gravity slideway 251 to which the delivery box belongs is searched, namely the branch cache line 22 into which the delivery box needs to enter is searched;
when a bin reaches the input end of a branch cache line (i.e., the position of the swing wheel machine), if the bin needs to enter the branch cache line, the balance wheel will input the bin into the branch cache line, otherwise the balance wheel will convey the bin in the conveying direction of the ring cache line 21 so that the bin continues to move along the ring cache line 21;
when the branch cache line into which the distribution box needs to enter is cached with enough distribution boxes (i.e. the distribution box cached by the branch cache line has reached a preset value), the distribution box cannot enter the branch cache line temporarily and is conveyed by the balance wheel machine to the conveying direction of the annular cache line 21, and after the distribution box bypasses the annular cache line 21 for one circle, the control device can judge whether the distribution box can enter the corresponding branch cache line again;
for the delivery box having entered the branch cache line, when the delivery box passes through the fourth code reader 221, the fourth code reader 221 reads the bar code information on the delivery box, and the control device searches the self-gravity slideway required to enter the delivery box according to the bar code information, then the delivery box is transferred to the shuttle conveyor 24 by the elevator 23 and the cache output line 231, the delivery box of the elevator 23 is received by the shuttle 242 thereon, and then transferred to the self-gravity slideway 251 of the shelf 25.
The logistics sorting system, the control method, the control equipment and the computer readable storage medium are used for realizing a sorting operation mode with higher automation degree, manual operation is basically concentrated on two links of unpacking and sorting (for the total sorting box) and packing and distributing boxes, and other links such as counting and rechecking, boxing and goods collecting are automated, so that the participation degree of manual labor is effectively reduced, the labor cost and labor intensity are reduced, and the goods sorting efficiency is improved.
In the cargo collecting and buffering subsystem 2, when the working efficiency of the elevator 23 and the shuttle conveyor 24 is insufficient to timely convey all the delivery boxes to the goods shelves 25, the delivery boxes are buffered on each branch buffer line 22, and when the buffer capacity of the branch buffer line 22 is insufficient, the delivery boxes are buffered on the ring buffer line 21, the two-level buffer mode provides a high-capacity delivery box buffering function, and the arrangement of the third code reader 212 and the fourth code reader 221 ensures that the buffered delivery boxes can be conveyed to the corresponding positions of the corresponding goods shelves, so that the embodiment of the invention can be used for coping with the situation that a large number of delivery boxes are arranged on the conveying line, and the picking operation can be continuously carried out in a large number, thereby improving the overall working efficiency of the cargo collecting and buffering system.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.
Claims (10)
1. The logistics sorting system is characterized by comprising a sorting and re-nuclear subsystem, a goods collecting and buffering subsystem and a transition conveying line arranged between the sorting and re-nuclear subsystem and the goods collecting and buffering subsystem;
the sorting and re-checking subsystem comprises a first code reader, a display, a second code reader, a re-checking conveyor, a camera and an annular sorting machine, wherein the first code reader is used for reading bar code information of the total sorting box, the display is used for displaying order requirement information of the total sorting box, the second code reader is used for reading bar code information of commodities, the re-checking conveyor is used for bearing the commodities to be re-checked and conveying the commodities qualified in re-checking to the annular sorting machine, the camera is used for shooting the commodities to be re-checked borne on the re-checking conveyor, and the annular sorting machine is used for conveying the commodities to the distribution box;
the goods collecting and buffering subsystem comprises an annular buffer line, a plurality of branch buffer lines, a plurality of lifters, a plurality of shuttle-type conveyors and a plurality of goods shelves, wherein the input end of each branch buffer line is connected with the annular buffer line, the output end of each branch buffer line is connected with the corresponding lifter, the annular buffer line is provided with a swinging machine at a position connected with each branch buffer line, each shuttle-type conveyor is provided with a travelling rail and a shuttle car running on the travelling rail, the shuttle car passes through the travelling rail and goes back and forth between the corresponding lifter and each goods shelf, a third code reader is arranged on each annular buffer line, and a fourth code reader is arranged on each branch buffer line and used for reading bar code information of a distribution box;
the transition conveying line is used for conveying the packed distribution boxes to the annular cache line.
2. The logistics sortation system of claim 1, wherein said endless sortation machine comprises an endless track and a plurality of sortation carts operating on the endless track, said sortation carts for receiving articles conveyed by the review conveyor, said endless track being provided at an inner and/or outer periphery thereof with a plurality of ramps for receiving articles conveyed by the sortation carts and guiding the articles to the distribution box.
3. The logistics sortation system of claim 1, wherein said sortation and re-nuclear subsystem further comprises a light projection means for forming a projection onto a conveying surface of said re-nuclear conveyor to identify a re-nuclear zone for placement of articles to be re-nuclear.
4. A physical distribution sorting system according to claim 3, wherein the conveying surface of the rechecking conveyor comprises a first conveying surface and a second conveying surface, the rechecking area projected by the light projection device is positioned on the first conveying surface, the second conveying surface is positioned at the output end of the first conveying surface, and the second conveying surface is used for receiving rechecked qualified goods and conveying the rechecked qualified goods to the annular sorting machine; and grating devices are arranged on two sides of the first conveying surface and are used for detecting hands of people or detecting whether commodities exist in the rechecking area.
5. The logistics sorting system of claim 1, wherein said annular cache line is provided with sensing means at a location corresponding to said pendulum machine.
6. The logistics sorting system of claim 1, wherein the shelves are provided with a plurality of layers of slide sets distributed from top to bottom, each layer of slide sets is composed of a plurality of self-gravity slide ways, the travelling rails of the shuttle conveyor are provided with a plurality of layers, and each layer of travelling rails is provided with a shuttle; the travelling rails and the slideway groups are arranged in a one-to-one correspondence manner; the input end of the self-gravity slideway is arranged on the side edge of the travelling rail, the output end of the self-gravity slideway is provided with a limiting structure, and the shuttle vehicle reciprocates between the lifting machine and the self-gravity slideway.
7. The logistics sorting system of claim 6, wherein a plurality of buffer output lines are arranged between the hoist and the shuttle conveyor from top to bottom, the buffer output lines and the travelling rails are arranged in a one-to-one correspondence, and the shuttle vehicle reciprocates between the output end of the buffer output lines and the input end of the self-gravity slideway.
8. A method of controlling a flow sorting system according to any of claims 1 to 7, comprising the steps of:
reading bar code information of the total sorting bin by a first code reader, searching order requirement information of the total sorting bin according to the bar code information of the total sorting bin and displaying the order requirement information on a display, wherein each piece of order requirement information comprises commodity SKUs and quantity requirements associated with the commodity SKUs;
the bar code information of the commodity is read through the second reader, corresponding commodity SKU information is searched according to the bar code information of the commodity, and whether the commodity SKU information is matched with the commodity SKU of the current order requirement information or not is checked;
shooting the commodity to be rechecked on the rechecked conveyor through a camera, counting the current commodity to be rechecked according to the shot image, checking whether the counting data is matched with the quantity requirement of the current order requirement information, and if so, controlling the rechecked conveyor to convey the commodity to the annular sorting machine;
conveying the commodities to a distribution box through an annular sorting machine;
conveying the packed distribution boxes to an annular cache line through a transition conveying line;
the bar code information of the distribution box is read through a third code reader so as to find out the branch cache line which the distribution box needs to enter, and the distribution box is conveyed to the corresponding branch cache line through a balance wheel machine;
and reading bar code information of the delivery boxes through a fourth code reader so as to find the goods shelf positions required to be entered by the delivery boxes, receiving the delivery boxes of the branch cache lines through the elevator, receiving the delivery boxes of the elevator through a shuttle of the shuttle type conveyor, and conveying the delivery boxes to the corresponding goods shelf positions.
9. A control device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the control method according to claim 8 when executing the computer program.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the control method according to claim 8.
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