CN109047002B - Pre-sorting type cross belt sorting machine system and sorting method thereof - Google Patents

Pre-sorting type cross belt sorting machine system and sorting method thereof Download PDF

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Publication number
CN109047002B
CN109047002B CN201810784895.0A CN201810784895A CN109047002B CN 109047002 B CN109047002 B CN 109047002B CN 201810784895 A CN201810784895 A CN 201810784895A CN 109047002 B CN109047002 B CN 109047002B
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sorting
package
falling
trolley
packing
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CN109047002A (en
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史建平
黄文生
戚建宇
刘明芳
陈伦琼
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Lovecraftman Intelligent Technology Suzhou Co ltd
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Changzhou Institute of Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C3/00Sorting according to destination
    • B07C3/02Apparatus characterised by the means used for distribution
    • B07C3/08Apparatus characterised by the means used for distribution using arrangements of conveyors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07CPOSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C1/00Measures preceding sorting according to destination

Abstract

The invention discloses a pre-sorting type cross belt sorting machine system and a sorting method thereof, and belongs to the technical field of automatic sorting of logistics express. The invention discloses a pre-sorting type cross belt sorting machine system which comprises a cross belt sorting machine, a pre-sorting device and a control system, wherein the pre-sorting device comprises a pre-sorting platform trolley, a first pre-sorting conveying belt, a second pre-sorting conveying belt and a pre-sorting identification device, the pre-sorting identification device is arranged near the pre-sorting platform trolley, the pre-sorting platform trolley is provided with two bag falling openings, and the pre-sorting platform trolley is connected with the corresponding first pre-sorting conveying belt and the second pre-sorting conveying belt through package slideways. The pre-sorting device is connected with the control system and used for identifying the package surface order information on the pre-sorting trolley to determine the package falling direction of the packages on the loop trolley, and the control system controls the pre-sorting device to convey the packages to the package feeding table A or the package feeding table B with the shortest running distance. The invention pre-divides the packages, enables the packages to be packed down at one side close to the upper packing table, and greatly improves the sorting efficiency of the cross belt sorting machine.

Description

Pre-sorting type cross belt sorting machine system and sorting method thereof
Technical Field
The invention relates to an automatic sorting technology for logistics express, in particular to a pre-sorting type cross belt sorting machine system and a sorting method thereof.
Background
At present, automatic sorting by adopting a cross belt sorting machine is gradually popularized and applied in a logistics express sorting center, the loop line running speed of the cross belt sorting machine can be increased to about 2.5m/s, and the number of express packages sorted per hour is about 18000. In order to meet the requirement of rapid development of the express industry, each logistics company hopes to continuously improve sorting efficiency, mainly adopts a method for improving the loop line running speed of a cross belt sorting machine and the bag loading speed of a bag loading platform, but the improvement of the loop line running speed and the bag loading speed of the bag loading platform are limited to a certain extent, the infinite promotion is impossible, and the express packages cannot be accurately loaded at a falling package grid due to too high speed, so that the wrong packages are caused. And once the package is mistaken, the accurate delivery of the package is influenced, so that the package cannot be delivered at the specified time. At present, the structure of cross-belt sorting machine is basically in a loop form, wherein two short edges are generally adopted in a loop to carry out package, the other two long edges are provided with package falling lattice openings to carry out package falling, each long edge is provided with package falling on the left side and the right side, the number of the package falling openings is configured according to the number of the package falling addresses, if 180 package falling addresses exist, 45 package falling openings are uniformly arranged on each of the two long edges of the loop. When the express packages are wrapped to the loop line, one part of the packages can be placed on the long edge close to one side of the upper package table, the package falling openings of the other part of the packages can be arranged on the long edge on the other side, the packages need to run for a longer distance on the loop line, and can be placed in a longer time, so that the sorting efficiency of the cross belt sorting machine is greatly influenced.
For example, the Chinese patent number ZL201620688482.9, the authorized announcement date is 2016, 12 and 14, and the invention and creation name is as follows: roundabout takes sorting machine, this application relates to a roundabout takes sorting machine, including package system, annular frame, check mouth system, is equipped with the letter sorting dolly in the annular frame, and the bar code area is installed in the side of annular frame to on the horizontal plane of same height with the bar code scanner, the bar code scanner is located letter sorting dolly bottom, and the frame of letter sorting dolly is installed on letter sorting dolly group through the walking wheel, gets electric installation, on-vehicle PLC, bar code scanner and all establishes on the letter sorting dolly. The annular cross area sorting machine is further provided with a main PLC, and the vehicle-mounted PLC and the main PLC are in Profinet wireless communication, so that real-time bidirectional data transmission is achieved. The bar code scanner and the vehicle-mounted PLC are communicated through Profinet. This application has realized reading the absolute position of letter sorting dolly in real time with bar code scanner positioning control technique to improve the positioning accuracy and the reliability of letter sorting dolly, improved the flexibility of programming and location, thereby realized the continuous closed loop speed governing to the letter sorting dolly, improved and wrapped the reliability about improving, reduced wrong package rate. However, in the application, the upper package system is arranged on one side of the annular rack, the grid system is arranged on the other opposite side, each package needs to travel a long distance and can be taken down for a long time, and the defects of long time for sorting and low sorting efficiency exist.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention aims to overcome the defects of low sorting efficiency and high wrong package rate of the conventional cross-belt sorting machine, and provides a pre-sorting type cross-belt sorting machine system and a sorting method thereof.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention discloses a pre-divided cross belt sorting machine system which comprises a cross belt sorting machine, wherein the cross belt sorting machine comprises a loop line trolley, an A edge package falling lattice opening, a B edge package falling lattice opening, an upper package table A and an upper package table B, the upper package table A, A edge package falling lattice opening, the upper package table B and the B edge package falling lattice opening are sequentially arranged on the periphery of the loop line trolley along the advancing direction of the loop line trolley, and package falling identification devices for identifying packages are respectively arranged between the upper package table A and the A edge package falling lattice opening and between the upper package table B and the B edge package falling lattice opening;
the pre-sorting device comprises a pre-sorting table trolley, a first pre-sorting conveying belt, a second pre-sorting conveying belt and a pre-sorting identification device, wherein the pre-sorting identification device is arranged near the pre-sorting table trolley and is used for identifying packages on the pre-sorting table trolley, the pre-sorting table trolley is provided with two package falling ports, one package falling port is connected with the first pre-sorting conveying belt, the other package falling port is connected with the second pre-sorting conveying belt, the first pre-sorting conveying belt is connected with the packaging table A, and the second pre-sorting conveying belt is connected with the packaging table B;
the pre-sorting device is connected with the control system and used for identifying the parcel surface order information on the pre-sorting trolley to determine the falling direction of the parcels on the loop trolley, and the control system controls the pre-sorting device to send the parcels to the packing table A or the packing table B with the shortest running distance.
Furthermore, the bag falling port is connected with the corresponding first pre-distribution conveying belt and the second pre-distribution conveying belt through the package slide way.
Furthermore, the A-edge falling packing grid port comprises an A1-edge falling packing grid port and an A2-edge falling packing grid port which are respectively arranged on two sides of the loop trolley, and the B-edge falling packing grid port comprises a B1-edge falling packing grid port and a B2-edge falling packing grid port which are respectively arranged on two sides of the loop trolley.
Furthermore, the pre-sorting recognition device adopts a pre-sorting platform camera, and the packet dropping recognition device adopts a packet dropping recognition camera.
Furthermore, the control system comprises a camera server, an upper computer and a lower PLC, wherein the camera server is in bidirectional connection with the upper computer and is used for feeding back the parcel list information obtained by the pre-classification identification device to the upper computer so as to determine the package falling address of the parcel; the upper computer is in bidirectional connection with the lower PLC and is used for transmitting the package falling address information of the package to the lower PLC so as to judge the package falling direction of the package; the lower PLC is connected with an actuating mechanism of the pre-sorting device and is used for conveying the packages to the upper package platform A or the upper package platform B according to the package falling direction.
The invention discloses a sorting method of a pre-sorting type cross belt sorting machine system, which comprises the following steps:
(a) pre-sorting of the packages: identifying the information of the surface sheet of the to-be-sorted package on the pre-sorting trolley by a pre-sorting identification device, judging the package falling position of the package in the loop trolley by a control system according to the information of the surface sheet of the package, simultaneously determining which upper package platform the package is to be conveyed to according to the principle that the package running distance is shortest, and if the control system judges that the package falls at a package falling grid opening at the edge A, controlling the pre-sorting trolley to convey the package to the upper package platform A by a first pre-sorting conveying belt by the control system; if the control system judges that the package falls at the side B and is delivered to the package table B, the control system controls the pre-sorting trolley to convey the package to the upper package table B through a second pre-sorting conveying belt;
(b) and (4) packaging and dropping: the packages conveyed to the loop trolley by the upper package platform A and the upper package platform B are identified by the package falling identification device, the control system judges the package falling position of the packages according to the information of the package falling identification device, and the loop trolley sends the packages to the corresponding package falling grid opening position for package falling.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following remarkable effects:
according to the pre-sorting type cross belt sorting machine system and the sorting method thereof, the pre-sorting table is arranged, the judgment of the package falling lattice openings of the express packages on the cross belt sorting machine is pre-sorted in advance, the purpose of single-side package and single-side package falling on a single side is achieved, one sorting line is changed into two sorting lines, the occupation time of a loop line trolley is short, the utilization rate is high, the sorting efficiency of the cross belt sorting machine is greatly improved, the labor intensity of workers is reduced, the economic cost of a logistics company is saved, and the reliability and the efficiency guarantee are provided for the popularization and the application of the logistics cross belt sorting machine.
Drawings
FIG. 1 is a schematic diagram of a single-sided falling-pack crossbelt sorter system of a pre-sort crossbelt sorter system of the present invention;
FIG. 2 is a schematic diagram of a pre-sorting table system of a pre-sorting cross-belt sorter system of the present invention;
FIG. 3 is a flow chart of the pre-sort control of the pre-sort cross-belt sorter system and the sorting method thereof of the present invention.
The reference numerals in the schematic drawings illustrate:
1. a loop trolley; 2. a1 dropping the lattice at the edge; 3. a2 dropping the lattice at the edge; 4. b1 falling the lattice edge; 5. b2 falling the lattice edge; 6. a camera A; 7. a camera B; 8. a packing conveyer belt; 9. a first pre-dividing conveyor belt; 10. a second pre-dividing conveyor belt; 11. a bag falling port; 12. a parcel slide; 13. a pre-stage camera; 14. a pre-sorting trolley; 15. an operator; 16. a packing table A; 17. and a packing table B.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Examples
With reference to fig. 1 to 3, the pre-sorting type cross belt sorting machine system of the embodiment includes a cross belt sorting machine, a pre-sorting device and a control system, wherein the pre-sorting device is disposed in a previous process of the cross belt sorting machine, packages are pre-sorted and then sent into the cross belt sorting machine, and the control system comprehensively controls the cross belt sorting machine and the pre-sorting device to work.
As shown in figure 1, the cross belt sorting machine comprises a loop line trolley 1, an A-side bag falling grid opening, a B-side bag falling grid opening, an upper bag platform A16 and an upper bag platform B17, wherein the loop line trolley 1 adopts a rectangular loop line structure with two long sides and two short sides and adopts circular arc transition, the upper bag platform A16, the A-side bag falling grid opening, the upper bag platform B17 and the B-side bag falling grid opening are sequentially arranged on the periphery of the loop line trolley 1 along the advancing direction of the loop line trolley 1, the advancing direction of the loop line trolley 1 is clockwise in figure 1, the upper bag platform A16 and the upper bag platform B17 are respectively arranged at the two short sides of the loop line trolley 1, the A-side bag falling grid opening and the B-side bag falling grid opening are respectively arranged at the two long sides of the loop line trolley 1, a bag falling identification device for identifying bags is respectively arranged between the upper bag platform A16 and the A-side bag falling grid opening, the upper bag platform B17 and the B-side bag falling grid opening, and the falling identification device is preferably adopted by a bag falling identification device, the bag falling recognition camera is arranged right above the loop line trolley 1 and is arranged behind the last bag loading platform on one side along the loop line running direction; namely, a camera A6 is arranged between the bag loading platform A16 and the bag dropping grid at the A edge, and a camera B7 is arranged between the bag loading platform B17 and the bag dropping grid at the B edge. In addition, in order to fully utilize the sorting space of the loop trolley 1, the A-side dropping packing lattice comprises an A1-side dropping packing lattice 2 and an A2-side dropping packing lattice 3 which are respectively arranged at two sides of the loop trolley 1, and the B-side dropping packing lattice comprises a B1-side dropping packing lattice 4 and a B2-side dropping packing lattice 5 which are respectively arranged at two sides of the loop trolley 1. Specifically, in this embodiment, 205 trolleys for conveying packages are arranged on the loop trolley 1, and 196 package falling gates are designed, wherein 46 normal package falling gates, 184 normal package falling gates and 12 abnormal package falling gates are arranged on two sides of the package falling gate on the side a and the package falling gate on the side B respectively. The number of the upper packing tables a16 and B17 on the two short sides is 10, and the number of the upper packing tables a16 and B17 is 5. The specific structures of the loop line trolley 1, the upper bag table A16, the upper bag table B17, the A-edge bag falling lattice and the B-edge bag falling lattice are the same as those of the prior art, and are not described herein again.
As shown in fig. 2, the pre-sorting device comprises a pre-sorting platform trolley 14, a first pre-sorting conveying belt 9, a second pre-sorting conveying belt 10 and a pre-sorting identification device, the pre-sorting identification device is arranged near the pre-sorting platform trolley 14, used for identifying the packages on the pre-sorting trolley 14, the pre-sorting trolley 14 consists of a roller motor and a belt, the pre-sorting trolley 14 is arranged on an electronic scale, a pre-sorting identification device is arranged above the pre-sorting trolley 14, the pre-sorting identification device is preferably a pre-sorting platform camera 13, the pre-sorting platform trolley 14 is also provided with two bag falling openings 11, the two bag falling openings 11 are connected with a corresponding first pre-sorting conveying belt 9 and a corresponding second pre-sorting conveying belt 10 through a wrapping slideway 12, namely, one bag falling port 11 of the pre-sorting trolley 14 is connected with the first pre-sorting conveying belt 9 through a corresponding package slideway 12, and the other bag falling port 11 is connected with the second pre-sorting conveying belt 10 through a corresponding package slideway 12; meanwhile, the first pre-sorting conveyor belt 9 is connected to the racking station a16, and the second pre-sorting conveyor belt 10 is connected to the racking station B17. According to needs, the pre-sorting trolley 14 can be provided with a plurality of groups, packages are conveyed to the pre-sorting trolley 14 through the package conveying belt 8 and are packaged through the operation worker 15, the operation worker 15 manually places the packages (the bills are placed on the pre-sorting trolley 14), the packages are weighed through the electronic scale, meanwhile, the pre-sorting camera 13 conducts photographing identification on the packages, and photographing information is stored in the camera server.
The pre-sorting recognition device is connected with the control system and is used for recognizing the parcel surface order information on the pre-sorting trolley 14 to determine the falling direction of the parcels on the loop trolley 1, the control system controls the pre-sorting device to convey the parcels to the upper parcel platform A16 or the upper parcel platform B17 with the shortest running distance, and a pre-sorting mode is adopted to achieve the purpose of single-side upper parcel and single-side lower parcel, which is equivalent to that one sorting line is divided into two sorting lines. The sorting efficiency is improved. And a falling packet identification device in the cross belt sorting machine is also connected with the control system and used for identifying the packet surface single information on the loop line trolley 1 to determine the falling packet position of the packet in the corresponding falling packet grid, and the control system controls the loop line trolley 1 to send the packet to the corresponding falling packet grid for falling packet. In this embodiment, referring to fig. 3, the control system includes a camera server, an upper computer and a lower PLC, where the camera server is connected to the upper computer in a bidirectional manner, and is configured to feed back package list information obtained by the pre-classification recognition device to the upper computer to determine a package drop address of the package; the upper computer is in bidirectional connection with the lower PLC and is used for transmitting the package falling address information of the package to the lower PLC so as to judge the package falling direction of the package; the lower PLC is connected with an actuating mechanism of the pre-sorting device and is used for conveying the packages to the upper package platform A16 or the upper package platform B17 according to the package falling direction.
As shown in fig. 3, the sorting method of the pre-sorting type cross belt sorting machine system of the embodiment includes the following steps:
(a) pre-sorting of the packages: identifying the information of the surface sheet of the to-be-sorted package on the pre-sorting trolley 14 through a pre-sorting identification device, judging the package falling position of the package in the loop trolley 1 by the control system according to the information of the surface sheet of the package, simultaneously determining which upper package platform the package is to be conveyed to according to the principle that the package running distance is shortest, and if the control system judges that the package falls at the package falling grid opening at the edge A, controlling the pre-sorting trolley 14 to convey the package to the upper package platform A16 through a first pre-sorting conveying belt 9 by the control system; if the control system determines that the parcel is dropped at the side B drop-off gate, the control system controls the pre-staging cart 14 to deliver the parcel to the upper parcel stage B17 via the second pre-staging conveyor 10. Specifically, referring to fig. 2, the parcel to be sorted is delivered to each pre-sorting table by the upper conveyer belt 8, the operator 15 manually puts the parcel (with the sheet on top) on the pre-sorting table cart 14, the electronic scale weighs the parcel, the pre-sorting table camera 13 above the pre-sorting table cart 14 photographs and recognizes the parcel sheet, the photographed information is stored in the camera server, and is compared with the information of the parcel in the upper computer to determine the falling address of the parcel, the upper computer sends a command to the lower PLC controlling the cart motor to judge the falling direction, if the parcel falls on the side a of the cross belt sorter, the pre-sorting table cart 14 motor turns left, the parcel slides from the left side of the pre-sorting table into the falling port 11, and the parcel enters the first conveyer belt 9 through the parcel chute 12, the parcel is delivered through the first pre-sorting belt 9, the parcel is delivered to the upper table a16 of the cross belt sorter, and finally, the bag is discharged from the side A of the sorting machine to finish the sorting action. Similarly, if the PLC judges that the package falling direction of the package is to package down on the side B of the cross belt sorting machine, the pre-sorting platform trolley 14 motor rotates to the right, the package slides into the package falling opening 11 from the right side of the pre-sorting platform, meanwhile, the package enters the second pre-sorting conveying belt 10 through the package sliding way 12, the package is conveyed into the package loading platform B17 of the cross belt sorting machine through the conveying of the second pre-sorting conveying belt 10, and finally, the package is packaged down from the side B of the sorting machine, so that the sorting action is completed.
(b) And (4) packaging and dropping: as shown in fig. 1, the packages conveyed to the loop trolley 1 by the package feeding station a16 and the package feeding station B17 are identified by the package falling identification device, the control system determines the package falling position of the package according to the information of the package falling identification device, and the loop trolley 1 sends the package to the corresponding package falling grid position for package falling.
According to the pre-sorting type cross belt sorting machine system and the sorting method thereof, the pre-sorting table is arranged, the judgment of the package falling lattice openings of the express packages on the cross belt sorting machine is pre-sorted in advance, the purpose of single-side package and single-side package falling on a single side is achieved, one sorting line is changed into two sorting lines, the occupation time of a loop line trolley is short, the utilization rate is high, the sorting efficiency of the cross belt sorting machine is greatly improved, the labor intensity of workers is reduced, the economic cost of a logistics company is saved, and the reliability and the efficiency guarantee are provided for the popularization and the application of the logistics cross belt sorting machine.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.

Claims (4)

1. A pre-divided cross belt sorting machine system comprises a cross belt sorting machine, wherein the cross belt sorting machine comprises a loop line trolley (1), an A edge falling packing grid, a B edge falling packing grid, an upper packing table A (16) and an upper packing table B (17), the upper packing table A (16), the A edge falling packing grid, the upper packing table B (17) and the B edge falling packing grid are sequentially arranged on the periphery of the loop line trolley (1) along the advancing direction of the loop line trolley (1), and falling packing identification devices for identifying packages are respectively arranged between the upper packing table A (16) and the A edge falling packing grid and between the upper packing table B (17) and the B edge falling packing grid; the method is characterized in that:
the pre-sorting device comprises a pre-sorting trolley (14), a first pre-sorting conveying belt (9), a second pre-sorting conveying belt (10) and a pre-sorting identification device, wherein the pre-sorting identification device is arranged near the pre-sorting trolley (14) and used for identifying packages on the pre-sorting trolley (14), the pre-sorting trolley (14) is provided with two package falling ports (11), one package falling port (11) is connected with the first pre-sorting conveying belt (9), the other package falling port (11) is connected with the second pre-sorting conveying belt (10), the first pre-sorting conveying belt (9) is connected with an upper package table A (16), and the second pre-sorting conveying belt (10) is connected with an upper package table B (17);
the pre-sorting device is connected with the control system and used for identifying the parcel form information on the pre-sorting trolley (14) to determine the falling direction of the parcels on the loop trolley (1), and the control system controls the pre-sorting device to send the parcels to the upper parcel platform A (16) or the upper parcel platform B (17) with the shortest running distance; the control system comprises a camera server, an upper computer and a lower PLC, wherein the camera server is in bidirectional connection with the upper computer and is used for feeding back the information of the parcel list obtained by the pre-classification recognition device to the upper computer so as to determine the package falling address of the parcel; the upper computer is in bidirectional connection with the lower PLC and is used for transmitting the package falling address information of the package to the lower PLC so as to judge the package falling direction of the package; the lower PLC is connected with an actuating mechanism of the pre-sorting device and is used for conveying the packages to an upper package platform A (16) or an upper package platform B (17) according to the package falling direction;
the specific sorting method comprises the following steps:
(a) pre-sorting of the packages: identifying the information of a surface sheet of a package to be sorted on a pre-sorting trolley (14) through a pre-sorting identification device, judging the package falling position of the package in a loop trolley (1) by a control system according to the information of the surface sheet of the package, simultaneously determining which upper package platform the package is to be conveyed to according to the principle that the package running distance is shortest, and if the control system judges that the package falls at a package falling grid opening at the edge A, controlling the pre-sorting trolley (14) to convey the package to the upper package platform A (16) through a first pre-sorting conveying belt (9); if the control system judges that the packages fall at the side B and are delivered to the upper package platform B (17) through the second pre-sorting conveyor belt (10), the control system controls the pre-sorting trolley (14) to convey the packages to the upper package platform B (17);
(b) and (4) packaging and dropping: the packages conveyed to the loop trolley (1) by the package feeding table A (16) and the package feeding table B (17) are identified by the package falling identification device, the control system judges the package falling position of the packages according to the information of the package falling identification device, and the loop trolley (1) sends the packages to the corresponding package falling grid opening position for package falling.
2. The pre-sorter cross-belt sorter system of claim 1 wherein: the bag falling port (11) is connected with a corresponding first pre-distribution conveying belt (9) and a corresponding second pre-distribution conveying belt (10) through a package slide way (12).
3. The pre-sorter cross-belt sorter system of claim 2 wherein: the A-edge falling packing lattice comprises an A1-edge falling packing lattice (2) and an A2-edge falling packing lattice (3) which are respectively arranged on two sides of a loop trolley (1), and the B-edge falling packing lattice comprises a B1-edge falling packing lattice (4) and a B2-edge falling packing lattice (5) which are respectively arranged on two sides of the loop trolley (1).
4. A pre-sorter cross-belt sorter system as in claim 3 wherein: the pre-sorting recognition device adopts a pre-sorting platform camera (13), and the packet falling recognition device adopts a packet falling recognition camera.
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