CN111036559A - Cross belt type multistage sorting equipment and method - Google Patents
Cross belt type multistage sorting equipment and method Download PDFInfo
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Abstract
The invention discloses a cross belt type multistage sorting device and a method, which comprises at least one set of cross belt type sorting unit and a plurality of conveying lines, wherein the set of cross belt type sorting unit is provided with one or two workpiece supply inlets and a plurality of sorting outlets; the cross belt type sorting unit comprises a left cargo carrying unit and a right cargo carrying unit, goods on the cargo carrying units can be moved and carried mutually, the left cargo carrying unit and the right cargo carrying unit are combined into a logic area to form a serial logic area, or the goods on the cargo carrying units are independently sorted, and the left cargo carrying unit and the right cargo carrying unit are independently used to form a parallel logic area; the sorting outlets can be connected in groups or independently applied and are connected with the inlet end of the conveying line; the outlet end of the conveying line is connected with the supply inlet to supply goods in groups. The invention solves the problem of sorting efficiency of single-batch large-flow multi-order articles in a limited space under the conditions of a limited workpiece supply inlet and a sorting outlet, and can effectively improve the sorting efficiency and improve the sorting digestion capacity of multi-order articles in a multi-logic combination mode.
Description
Technical Field
The invention belongs to the field of logistics sorting, and particularly relates to cross belt type multistage sorting equipment and a method, which are particularly suitable for sorting single-batch large-flow multi-order goods.
Background
Some logistics centers belong to typical through type logistics centers, and a large amount of goods need to be sorted into small orders every day, so that the requirement on timeliness is extremely high. The goods are characterized by single batch, large flow and multiple orders, the goods need to be rapidly sorted in a transfer station into small orders for delivery, and the orders are usually 1-2 pieces per order.
It is known in principle from the prior art that goods are automatically sorted in logistics centers. Currently, logistics centers usually employ single-stage cross-belt sorting machines, usually linear or circular cross-belt sorting machines, each of which is a single load-carrying unit, and is characterized in that each sorting machine has an inlet for articles and a plurality of sorting outlets. The structure is shown in figure 1, and the equipment comprises a workpiece supply section, a code reading area, a sorting section, an outlet section and the like. During sorting, the goods are guided in from the goods supply section, sorted after being scanned by the code and guided out by the sorting outlet, and unsorted or wrong goods are guided out by the abnormal grid.
The cross belt type sorting machine has higher sorting capacity compared with other sorting equipment, but is limited by the quantity of the feeding inlets and the sorting grids, the sorting capacity is generally less than 15000 pieces/h, the quantity of the sorting orders is less than 500, namely, the quantity of the feeding inlets and the sorting outlets is limited in a limited space, and the cross belt type sorting machine is not beneficial to obtaining larger sorting capacity and more orders.
One prior art patented technology is from CN109382323A, a matrix sorting apparatus for sorting batches of different articles. The matrix sorting apparatus includes at least one sorting stage having a plurality of sorting lines each having an inlet end and an outlet end, the inlet sections of the plurality of sorting lines of the first sorting stage of the matrix sorting apparatus being connected to the same article supply port. The outlet sections of the plurality of sorting lines of the first sorting stage are connected to a first conveyor track that transfers the goods. The inlet section of the second sorting stage, which is formed by connecting a plurality of sorting lines in parallel, is connected with the first conveying track, and the outlet section is connected with the second conveying track for transferring goods. Similarly, the inlet of the third sorting level is connected to the second conveyor track and the outlet is connected … … to the third conveyor track, and a breaker is provided at the rear end of each sorting line of the sorting levels. When the equipment sorts a plurality of batches of goods, it has N letter sorting lines to establish every letter sorting level, and after the letter sorting was accomplished to first letter sorting level, the goods was divided into N, and only one letter sorting line goods flowed into second letter sorting level entry this moment, and all the other (N-1) letter sorting lines all are blockked by the cut-off ware, and after the letter sorting of this goods was accomplished to second letter sorting level, second letter sorting line material flowed into second letter sorting level … … again in the first letter sorting level. Based on the method, the equipment is beneficial to sorting a plurality of batches of different materials, but is limited in that only N sorting lines of the last sorting stage are used for continuously sorting during the sorting of the equipment, and only one sorting line of each other sorting stage is used for sorting at the same time. This letter sorting mode is unfavorable for solving the problem of the large-traffic letter sorting of goods, and this mode need arrange many letter sorting lines, is unfavorable for the area who saves equipment.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide crossed belt type multistage sorting equipment, which solves the problem of sorting single-batch large-flow multi-order articles in a limited space under the conditions of a limited article supply inlet and a limited article sorting outlet. Specifically, the invention is realized by the following steps:
a cross belt type multi-stage sorting device comprises at least one set of cross belt type sorting unit with one or two piece supply inlets and a plurality of sorting outlets and a plurality of conveying lines; the cross belt type sorting unit comprises a left cargo carrying unit and a right cargo carrying unit, goods on the cargo carrying units can be moved and carried mutually, the left cargo carrying unit and the right cargo carrying unit are combined into a logic area to form a serial logic area, or the goods on the cargo carrying units are independently sorted, and the left cargo carrying unit and the right cargo carrying unit are independently used to form a parallel logic area; the sorting outlets can be connected in groups or independently applied and are connected with the inlet end of the conveying line; the outlet end of the conveying line is connected with the supply inlet to supply goods in groups.
Furthermore, the cross belt type sorting unit comprises a piece supplying section, a sorting section and an outlet section which are sequentially connected, and the sorting section is a one-car double-loading-unit cross belt sorting machine with a plurality of sorting outlets; each sorting trolley on the one-car double-cargo unit cross belt sorting machine divides the sorting unit into a left single logic area and a right single logic area; the single logic areas are used as parallel logic areas singly or combined into one logic area for serial use.
Further, the expanded application of the cross belt type sorting unit comprises a piece supply area I and a sorting area II, the piece supply area I comprises a piece supply section a, a primary sorting section b and a secondary goods supplementing section c, and the sorting area II comprises: a secondary sorting section d and an outlet section e.
In another aspect of the present invention, a cross-belt type multistage sorting method is provided, which comprises the following steps:
the single-batch goods enter into a cross belt type sorting device which comprises at least one set of cross belt type sorting unit with one or two piece supply inlets and a plurality of sorting outlets and a plurality of conveying lines for sorting,
the cross belt type sorting unit comprises a left cargo carrying unit and a right cargo carrying unit, the cargo carrying units can be mutually moved and loaded, the left cargo carrying unit and the right cargo carrying unit are combined into a logic area to form a serial logic area, or
Goods on the cargo carrying units are independently sorted, and the left cargo carrying unit and the right cargo carrying unit are independently used to form a parallel logic area;
the sorting outlets can be connected in groups or independently applied and are connected with the inlet end of the conveying line;
the outlet end of the conveying line is connected with the supply piece inlet to supply goods in groups.
Further, the method further comprises the following steps: and dividing a single batch of goods into N parts, wherein half of the goods enter the goods supplying section, sorting out half of the goods from two sides, completing one-time sorting, then performing secondary replenishment on the other half of the goods, performing secondary sorting and discharging.
Further, the method further comprises the following steps: dividing a single batch of goods into 2 parts, respectively leading the 2 parts of goods into two piece supply inlets of a sorting unit A, completing first-stage sorting in a sorting section, and dividing the goods into N parts of same-order groups; after the first-stage sorting is finished, N parts of order groups simultaneously enter a single logic area on the left side of a sorting unit A through N conveying lines, second-stage sorting is carried out, and the sorting section is divided into N parts of same-order groups; after the second-stage sorting is finished, the same order group enters a single logic area on the right side of the sorting unit A through another N conveying lines to perform three-stage sorting, the order group is divided into N small orders in a sorting section, three-stage sorting is repeatedly finished on each order, and a single batch of goods is sorted into a plurality of orders.
Further, the method further comprises the following steps: the single batch of goods passes through a first sorting stage and a second sorting stage of the cross belt type sorting equipment, the first sorting stage is that two single logic areas are parallel, the second sorting stage is that two single logic areas are serial, each single logic area is provided with N sorting order groups and sorting ports, the conveying lines are corresponding N and are connected with sorting outlets of the corresponding sorting order groups,
completing first-stage sorting of single batches of goods at a first sorting stage, and dividing the goods into N groups with the same order; the N same order groups sequentially enter a second sorting level of the sorting unit A through corresponding N conveying lines respectively to perform second-level sorting, the second-level sorting is divided into 2N orders, and after the second-level sorting is completed, after the second-level sorting is performed, single-batch goods are sorted into a plurality of orders.
Further, the method further comprises the following steps: dividing a single batch of goods into 4 parts, respectively guiding the 4 parts into two groups of crossed belt type sorting units A, B formed by four single logic areas in parallel, dividing the goods into N parts, completing the first-stage sorting with the order group, sequentially and respectively conveying two same order groups to a left single logic area material supply inlet of a cross belt type sorting unit A and a left single logic area material supply inlet of a cross belt type sorting unit B of a second sorting level through two conveying lines in a first group of conveying lines at the same time, performing second-level sorting, after the second-level sorting is finished, and then the conveying lines of the second group and the third group which respectively correspond are connected to a right single logic area material supply inlet of a cross belt type sorting unit A of the third sorting level and a right single logic area material supply inlet of a cross belt type sorting unit B of the third sorting level through sorting outlets of the second sorting level, the third-level sorting is carried out to obtain 2N orders, and single-batch goods are sorted into a plurality of orders.
Further, the method further comprises the following steps: the single batch of goods are divided into 4 parts and respectively led into two groups of cross belt type sorting units A, B formed by four single logic areas in parallel, after the goods are divided into N parts and are subjected to first-stage sorting with order groups, the goods in each order group are simultaneously conveyed to a sorting unit A through N conveying lines for second-stage sorting to obtain 2N parts of same order groups, and then the goods are respectively conveyed to a cross belt type sorting unit B through another group of 2N conveying lines for third-stage sorting to obtain 2N parts of orders, and the single batch of goods are sorted into a plurality of orders.
The invention has the advantages of solving the problem of the sorting efficiency of single-batch large-flow multi-order articles under the conditions of limited space, limited article supply inlets and sorting outlets, effectively improving the sorting efficiency and improving the sorting digestion capacity for multi-order articles in a multi-logic combination mode.
Drawings
FIG. 1 is a schematic view of a single stage cross belt sorting apparatus;
FIG. 2 is a schematic diagram of a sorting unit;
FIG. 3 is a schematic diagram of a single-stage sorting and secondary replenishment structure;
FIG. 4 is a three-level parallel sorting method of a single sorting apparatus;
FIG. 5 is a two-stage parallel-to-serial sorting method for a single sorting apparatus;
FIG. 6 is a three-level parallel sorting method for two sorting apparatuses;
FIG. 7 is a three-level parallel-to-serial sorting method using two sorting apparatuses.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The invention provides a cross belt type multistage sorting device which comprises at least one set of cross belt type sorting unit and a plurality of conveying lines, wherein the set of cross belt type sorting unit is provided with one or two piece supply inlets and a plurality of sorting outlets, the sorting unit is a one-vehicle double-loading unit cross belt sorting machine, and goods on the double-loading unit can be mutually transferred and can also be independently sorted. The sorting outlets can be connected in groups or can be independently applied and are connected with the inlet end of the conveying line, and the outlet end of the conveying line is connected with the supply inlet to supply goods in groups. Through different combination forms of the sorting units and the conveying lines, logic sorting areas with different functions, namely a parallel logic area and a serial logic area, are formed. The parallel logic area refers to that the left and right loading units of one sorting unit are independently used. The serial logic area is a logic area formed by combining a left loading unit and a right loading unit of one sorting unit, and articles on the trolley can be mutually transferred between the two loading units. The supply entries of the serial logical area are only half of the parallel logical area, but the sorting exits are twice as many as one parallel logical area.
The structure of the sorting unit is shown in figure 2 and comprises a piece supplying section, a sorting section and an outlet section, wherein the sorting section is a one-car double-loading-unit cross belt sorting machine with a plurality of sorting outlets. The unit characteristics are as follows: the sorting unit is divided into a left single logic area and a right single logic area according to the left and right cargo units of each sorting trolley. According to specific requirements, the single logic area can be used as a parallel logic area independently, and can also be combined into a logic area for serial use.
The expanded application method of the workpiece supply inlet of the sorting equipment is secondary replenishment, as shown in figure 3, the equipment in the method consists of a workpiece supply area I and a sorting area II, the workpiece supply area I is expanded of the workpiece supply inlet of the sorting equipment and consists of a workpiece supply section a, a primary sorting section b and a secondary replenishment section c, and the sorting area II consists of a secondary sorting section d and an outlet section e. According to the above method, a single lot of goods is divided into 4 parts, of which 2 parts are introduced from the supply section a and the other 2 parts are used for secondary restocking. After the goods enter the primary sorting section b, half of the goods are rapidly sorted out from two sides, half of the goods are generated in a half vacant position after sorting, and the vacant position is filled up in the secondary replenishing section c for secondary replenishing. And the goods after the secondary replenishment enter a secondary sorting section d, and the secondary sorting is rapidly completed.
The equipment is mainly characterized in that multiple sorting of the sorting equipment is realized through secondary sorting and secondary replenishment, and the capacity and the order quantity of the equipment during single-stage sorting are expanded. Let N be the quantity of goods entering the sorting unit, N1 be the number of sorting openings, and N2 be the number of sorting openings in the sorting section of the supply area. The sorting capacity of the sorting section in the supply section is 0.5N, the amount of the goods entering the sorting section d of the cross belt after the second replenishment is also N, the equipment capacity is 1.5N, and the number of the sorted orders is N1+ N2.
Example 1:
a cross belt type multistage sorting device comprises a cross belt type sorting unit and a plurality of conveying lines, wherein the cross belt type sorting unit comprises at least one workpiece supply inlet and a plurality of sorting outlets; the cross belt type sorting unit comprises a left cargo carrying unit and a right cargo carrying unit, goods on the cargo carrying units can be moved and carried mutually, the left cargo carrying unit and the right cargo carrying unit are combined into a logic area to form a serial logic area, or the goods on the cargo carrying units are independently sorted, and the left cargo carrying unit and the right cargo carrying unit are independently used to form a parallel logic area; the sorting outlets can be connected in groups or independently applied and are connected with the inlet end of the conveying line; the outlet end of the conveying line is connected with the supply inlet to supply goods in groups.
The cross belt type sorting unit comprises a piece supplying section, a sorting section and an outlet section which are sequentially connected, and the sorting section is a one-car double-loading unit cross belt sorting machine with a plurality of sorting outlets; each sorting trolley on the one-car double-cargo unit cross belt sorting machine divides the sorting unit into a left single logic area and a right single logic area; the single logic areas are used as parallel logic areas singly or combined into one logic area for serial use. Through different combination forms of the cross belt type sorting units and the conveying lines, logic sorting areas with different functions, namely a parallel logic area and a serial logic area are formed. The parallel logic area refers to that the left and right cargo carrying units of one sorting unit are used independently; the serial logic area is a logic area formed by combining a left cargo unit and a right cargo unit of one sorting unit, and articles on the trolley can be mutually transferred and loaded between the two cargo units; the supply entries of the serial logical area are only half of the parallel logical area, but the sorting exits are twice as many as one parallel logical area. The sorting unit is divided into a left single logic area and a right single logic area according to the left and right cargo units of each sorting trolley. According to specific requirements, the single logic area can be used as a parallel logic area independently, and can also be combined into a logic area for serial use.
Example 2:
three-stage parallel sorting combination of single sorting equipment, as shown in fig. 4, the method equipment is composed of a sorting unit A and a conveying module, two single logic areas in the sorting unit A are parallel, and each single logic area is provided with 6 sorting outlets. The conveying module comprises conveying lines 10.1, 20.1, 30.1, 40.1, 50.1, 60.1, 10.2, 20.2, 30.2, 40.2, 50.2 and 60.2. The feed line 10.1 is connected to the sorting outlet of the sorted order group 1, the feed line 10.2 is connected … to the sorting outlet of the sorted order group 2, and the outlet end of the feed line 10.1 is connected to the single-logic-area supply inlet on the left side of the sorting unit a. The inlet ends of the conveying lines 10.2-60.2 are respectively connected with sorting outlets of the single logic area on the left side of the sorting unit A, and the outlet ends of the conveying lines are connected with a supply inlet of the single logic area on the right side of the sorting unit A. The method comprises three sorting levels, wherein the first-level sorting is divided into 6 orders (1, 2, 3, 4, 5 and 6) in the same group; the secondary sorting is divided into 36 orders of the same group (1.1, 1.2, 1.3, 1.4, 1.5, 1.6 … 6.1.1, 6.2, 6.3, 6.4, 6.5, 6.6) with 6 × 6; the three-level sorting is 36 × 6 ═ 216 orders (1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5, 1.1.6 ….6.1, 6.6.2, 6.6.3, 6.6.4, 6.6.5, 6.6.6).
According to the combination, a single batch of goods is divided into 2 parts which are respectively led into two piece supply inlets of a sorting unit A, and primary sorting is completed in a sorting section, and the goods are divided into 6 parts of single groups 1, 2, 3, 4, 5 and 6 with the same order; after sorting is finished, the order group 1 enters a single logic area on the left side of the sorting unit A through a conveying line 10.1 to be subjected to secondary sorting, and the order group is divided into 6 same order groups 1.1, 1.2, 1.3, 1.4, 1.5 and 1.6 in a sorting section; after the sorting is finished, the order group 1.1 enters a single logic area at the right side of the sorting unit A through a conveying line 10.2 to be subjected to tertiary sorting, the sorting section is divided into 6 small orders 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5 and 1.1.6, meanwhile, the same order group 2 enters the single logic area at the left side of the sorting unit A through a conveying line 20.1 to be subjected to secondary sorting of the order groups, after the sorting is finished, the same order group 1.2 enters a tertiary sorting … … of the order groups in the single logic area at the right side of the sorting unit A through a conveying line 20.2 to be subjected to multiple sorting, and then the single batch of goods are sorted into a plurality of orders. According to the method, before the sorting of the single batch of goods is finished, all sorting units are in a continuous sorting state, and no sorting unit is idle, so that the sorting of the large-flow goods is facilitated.
In the embodiment, the quantity expansion of the supply inlets and the sorting outlets is realized through three-level parallel sorting, the sorting efficiency and the order quantity are favorably improved, and the sorting problem of large-flow multi-order goods under the limitation of limited space is solved. In the method, the single logic area sorting efficiency of the sorting machine is N, the number of sorting grids is N, the first-level sorting efficiency of the method is 2N, the second-level sorting efficiency and the third-level sorting efficiency are both N, and most time of the second-level sorting and the third-level sorting is overlapped. The theoretical method sorts orders by N3.
Example 3:
parallel and serial sorting combinations of a single sorting apparatus are shown in fig. 5. The method and the equipment are composed of a sorting unit A and a conveying module, wherein two single logic areas for primary sorting in the sorting unit A are parallel, two single logic areas for secondary sorting form a serial logic area, and each single logic area is provided with 6 sorting ports. The conveying module comprises conveying lines 10.1, 20.1, 30.1, 40.1, 50.1, 60.1. The feed line 10.1 is connected to the sorting outlet of the single group 1 of sorted orders, the feed line 20.1 is connected … to the sorting outlet of the single group 2 of sorted orders, and the outlet end is connected to the supply inlet of the sorting unit a. The method comprises two sorting levels, wherein the first-level sorting is divided into 6 orders (1, 2, 3, 4, 5 and 6) in the same group; the secondary sort is divided into 72 orders of the same group (1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.11, 1.12 … 6.1, 6.2, 6.3, 6.4, 6.5, 6.6, 6.7, 6.8, 6.9, 6.10, 6.11, 6.12);
according to the combination, a single batch of goods is divided into 2 parts which are respectively led into two piece supply inlets of a sorting unit A, and primary sorting is completed in a sorting section, and the goods are divided into 6 parts of single groups 1, 2, 3, 4, 5 and 6 with the same order; after sorting is finished, the order group 1 enters the sorting unit A through the conveying line 10.1 to be subjected to secondary sorting, the order group is divided into 12 orders 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.11 and 1.12, after sorting is finished, the order group 2 enters the sorting unit A through the conveying line 20.1 to be subjected to secondary sorting … … for multiple times, and then a single batch of goods are sorted into multiple orders. According to the method, before the sorting of the single batch of goods is finished, all sorting units are in a continuous sorting state, and no sorting unit is idle, so that the sorting of the large-flow goods is facilitated.
In the embodiment, the quantity expansion of the supply inlet and the sorting outlet is realized by two-stage parallel and serial sorting, the sorting efficiency and the order quantity are favorably improved, and the sorting problem of large-flow multi-order goods under the limitation of limited space is solved. In the method, the single logic area sorting efficiency of the sorting machine is set to be N, and the number of sorting grids is set to be N, so that the first-level sorting efficiency of the method is 2N, and the second-level sorting efficiency is N. The theoretical method has the order quantity of 2N2 sorted.
Example 4
Three-level parallel sorting combinations using two sets of sorting equipment are shown in fig. 6.
The sorting machine is composed of a sorting unit A, B and a conveying module, wherein A, B two sorting units are in parallel with 4 single logic areas, and each logic area is provided with 6 sorting openings. The conveying module comprises conveying lines 10.1, 20.1, 30.1, 40.1, 50.1, 60.1, 10.2, 20.2, 30.2, 40.2, 50.2, 60.2, 10.3, 20.3, 30.3, 40.3, 50.3 and 60.3. The inlet ends of the conveying lines 10.1, 30.1 and 50.1 are connected with sorting ports of the sorting same- order groups 1, 3 and 5 respectively, and the outlet ends are connected with the inlet of the single logic area at the left side of the sorting unit A; inlets of the conveying lines 20.1, 40.1 and 60.1 are respectively connected with sorting ports of the same sorting order groups 2, 4 and 6, and outlets are connected with an inlet of a single logic area at the left side of the sorting unit B; the inlet ends of the conveying lines 10.2, 20.2, 30.2, 40.2, 50.2 and 60.2 are respectively connected with the sorting outlets of the single logic area at the left side of the sorting unit A, and the outlet ends are connected with the piece supply inlet of the single logic area at the right side of the sorting unit A; the inlets of the conveying lines 10.3, 20.3, 30.3, 40.3, 50.3 and 60.3 are respectively connected with the sorting outlets of the single logic area at the left side of the sorting unit B, and the outlet ends are connected with the inlets of the single logic area at the right side of the sorting unit B. The method comprises three sorting levels, wherein the first-level sorting is divided into 6 orders (1, 2, 3, 4, 5 and 6) in the same group; the secondary sort is divided into 36 orders in the same group (1.1, 1.2, 1.3, 1.4, 1.5, 1.6 … 5.1.1, 5.2, 5.3, 5.4, 5.5, 5.6), and the tertiary sort is divided into 36 x 6 orders (1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5, 1.1.6 … 5.5.1, 5.5.2, 5.5.3, 5.5.4, 5.5.5, 5.5.6).
According to the combination, a single batch of goods is divided into 4 parts which are respectively led into four piece supply inlets of an A, B sorting unit, and primary sorting is completed in a sorting section of a A, B sorting unit, and the goods are divided into 6 parts of single groups 1, 2, 3, 4, 5 and 6 with the same order; after sorting is finished, the order group 1 enters a single logic area on the left side of the sorting unit A through a conveying line 10.1 to be subjected to secondary sorting, the order group is sorted into 6 same order groups 1.1, 1.2, 1.3, 1.4, 1.5 and 1.6 in a sorting section, meanwhile, the order group 2 enters a single logic area on the left side of the sorting unit B through a conveying line 20.1 to be subjected to secondary sorting, and the order groups are sorted into 6 same order groups 2.1, 2.2, 2.3, 2.4, 2.5 and 2.6; after the sorting is finished, the order group 1.1 enters a right cargo carrying unit of the sorting unit A through a conveying line 10.2 to be sorted in a third level, and is sorted into 12 orders 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5 and 1.1.6, meanwhile, the order group 2.1 enters a right cargo carrying unit of the sorting unit B through a conveying line 20.2 to be sorted in a third level, and is sorted into 12 orders 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.1.5 and 2.1.6; after the order groups 1 and 2 complete the second-level sorting, the order groups 3 and 4 enter A, B a cargo carrying unit on the left side of the sorting unit through conveying lines 30.1 and 40.1 respectively to carry out second-level sorting … … of the order groups for multiple times of sorting, and then single-batch goods are sorted into multiple orders. According to the method, before the sorting of the single batch of goods is finished, all sorting units are in a continuous sorting state, and no sorting unit is idle, so that the sorting of the large-flow goods is facilitated.
In the embodiment, the quantity expansion of the piece supply inlet and the sorting outlet is realized through three-level parallel sorting of the two sorting units, the sorting efficiency and the order quantity are favorably improved, and the sorting problem of large-flow multi-order goods under the limitation of limited space is solved. In the method, the single logic area sorting efficiency of the sorting machine is N, and the number of sorting grids is N, so that the first-level sorting efficiency of the method is 2 x N which is 4N, the second-level sorting efficiency and the third-level sorting efficiency are both 2N, and most of the second-level sorting time and the third-level sorting time coincide. The theoretical method sorts orders by N3.
Example 5:
two sorting units using two sets of sorting equipment are used for three-level parallel and serial sorting combination, as shown in figure 7,
the apparatus in the method is comprised of a sorting unit A, B and a transport module. A. The two sorting units B have 4 single logic areas which are parallelly sorted at the first level, are serially sorted at the second level and the third level, the single logic area has 6 sorting ports, and the conveying modules comprise conveying lines 10.1, 20.1, 30.1, 40.1, 50.1, 60.1, 10.2, 20.2, 30.2, 40.2, 50.2, 60.2, 70.2, 80.2, 90.2, 100.2, 110.2 and 120.2. The conveying line 10.1 is connected with a sorting outlet of the sorting order group 1, the conveying line 10.2 is connected … with a sorting outlet of the sorting order group 2, and the outlet end is connected with a workpiece supply inlet of the sorting unit A; the inlet ends of the conveying lines 10.2 and 20.2-120.2 are respectively connected with 12 sorting outlets of the sorting unit A, and the outlet ends are connected with inlets of the sorting unit B. The method comprises three-stage sorting, wherein the first-stage sorting is divided into 6 orders (1, 2, 3, 4, 5 and 6) in the same group; the secondary sort is divided into 72 orders in the same group (1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.11, 1.12 ….1, 6.2, 6.3, 6.4, 6.5, 6.6, 6.7, 6.8, 6.9, 6.10, 6.11, 6.12), and the tertiary sort is divided into 72 × 12 orders (1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5, 1.1.6, 1.1.7, 1.1.8, 1.1.9, 1.1.10, 1.1.11, 1.1.12 … 6.12.1, 6.12.2, 6.12.3, 6.12.4, 6.12.5, 6.12.6, 6.12.8, … 6.12.1, 6.12.10, 73742, 4642). When the first-level sorting method is used, the left and right single logic areas of the sorting unit are parallel; the left and right logic areas of the sorting units are combined into 1 logic area in the second and third-level sorting, and the number of the sorting ports is twice of that of the single logic area.
According to the combination, the first-stage sorting method is the same as that in the embodiment 4, after the first-stage sorting is completed, the first-stage sorting method is divided into the same order groups 1, 2, 3, 4, 5 and 6, the order group 1 is conveyed to the sorting unit A through the conveying line 10.1, the second-stage sorting is carried out by the sorting unit A, and the order group 1 is sorted into 12 same order groups of 1.1, …, 1.10, 1.11 and 1.12; after the second-stage sorting is finished, the order group 1.1 is conveyed to a sorting unit B through a conveying line 10.2, the sorting unit B performs third-stage sorting, the order group 1.1 is sorted into 12 orders of 1.1.1, …, 1.1.10, 1.1.11 and 1.1.12, and meanwhile, the order group 2 enters a sorting unit A for sorting; after the order group 1.1 is sorted, the order group 1.2 enters the sorting unit B to be sorted … … for a plurality of times, and then the single batch of goods is sorted into a plurality of orders. According to the method, before the sorting of the single batch of goods is finished, all sorting units are in a continuous sorting state, and no sorting unit is idle, so that the sorting of the large-flow goods is facilitated.
In the embodiment, the quantity expansion of the piece supply inlet and the piece separation outlet is realized through three-stage parallel and serial sorting of the two sorting units, the sorting efficiency and the order quantity are favorably improved, and the sorting problem of large-flow and multi-order goods under the limitation of limited space is solved. In the method, the single logic sorting efficiency of the sorting unit is N, the number of the sorting grids is N, the first-level sorting efficiency of the method is 2 x N which is 4N, the second-level sorting efficiency and the third-level sorting efficiency are both N pieces/h, and most of the second-level sorting time and the third-level sorting time are overlapped. The theoretical upper method has a sorting order quantity of 4N 3.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. A cross belt type multistage sorting device is characterized by comprising at least one set of cross belt type sorting unit and a plurality of conveying lines, wherein the set of cross belt type sorting unit is provided with one or two workpiece supply inlets and a plurality of sorting outlets;
the cross belt type sorting unit comprises a left loading unit and a right loading unit,
the goods on the goods-carrying units can be mutually transferred, and the left and right goods-carrying units are combined into a logic area to form a serial logic area, or
Goods on the cargo carrying units are independently sorted, and the left cargo carrying unit and the right cargo carrying unit are independently used to form a parallel logic area;
the sorting outlets can be connected in groups or independently applied and are connected with the inlet end of the conveying line;
the outlet end of the conveying line is connected with the supply inlet to supply goods in groups.
2. The cross-belt type multi-stage sorting apparatus according to claim 1, wherein the cross-belt type sorting unit comprises a supply section, a sorting section and an outlet section which are connected in sequence, the sorting section is a one-car double-loading unit cross-belt sorting machine having a plurality of sorting outlets; each sorting trolley on the one-car double-cargo unit cross belt sorting machine divides the sorting unit into a left single logic area and a right single logic area; the single logic areas are used as parallel logic areas singly or combined into one logic area for serial use.
3. The cross-belt type multistage sorting apparatus according to claim 1, wherein the cross-belt type sorting unit comprises a supply section i and a sorting section ii, the supply section i comprises a supply section a, a primary sorting section b and a secondary replenishment section c, and the sorting section ii comprises: a secondary sorting section d and an outlet section e.
4. A cross-belt type multistage sorting method is characterized by comprising the following steps:
the single-batch goods enter into a cross belt type sorting device which comprises at least one set of cross belt type sorting unit with one or two piece supply inlets and a plurality of sorting outlets and a plurality of conveying lines for sorting,
the cross belt type sorting unit comprises a left cargo carrying unit and a right cargo carrying unit, the cargo carrying units can be mutually moved and loaded, the left cargo carrying unit and the right cargo carrying unit are combined into a logic area to form a serial logic area, or
Goods on the cargo carrying units are independently sorted, and the left cargo carrying unit and the right cargo carrying unit are independently used to form a parallel logic area;
the sorting outlets can be connected in groups or independently applied and are connected with the inlet end of the conveying line;
the outlet end of the conveying line is connected with the supply piece inlet to supply goods in groups.
5. The cross-belt multi-stage sorting method according to claim 4, further comprising: and dividing a single batch of goods into N parts, wherein half of the goods enter the goods supplying section, sorting out half of the goods from two sides, completing one-time sorting, then performing secondary replenishment on the other half of the goods, performing secondary sorting and discharging.
6. The cross-belt multi-stage sorting method according to claim 4, further comprising: dividing a single batch of goods into 2 parts, respectively leading the 2 parts of goods into two piece supply inlets of a sorting unit A, completing first-stage sorting in a sorting section, and dividing the goods into N parts of same-order groups; after the first-stage sorting is finished, N parts of order groups simultaneously enter a single logic area on the left side of a sorting unit A through N conveying lines, second-stage sorting is carried out, and the sorting section is divided into N parts of same-order groups; after the second-stage sorting is finished, the same order group enters a single logic area on the right side of the sorting unit A through another N conveying lines to perform three-stage sorting, the order group is divided into N small orders in a sorting section, three-stage sorting is repeatedly finished on each order, and a single batch of goods is sorted into a plurality of orders.
7. The cross-belt multi-stage sorting method according to claim 4, further comprising: the single batch of goods passes through a first sorting stage and a second sorting stage of the cross belt type sorting equipment, the first sorting stage is that two single logic areas are parallel, the second sorting stage is that two single logic areas are serial, each single logic area is provided with N sorting order groups and sorting ports, the conveying lines are corresponding N and are connected with sorting outlets of the corresponding sorting order groups,
completing first-stage sorting of single batches of goods at a first sorting stage, and dividing the goods into N groups with the same order; the N same order groups sequentially enter a second sorting level of the sorting unit A through corresponding N conveying lines respectively to perform second-level sorting, the second-level sorting is divided into 2N orders, and after the second-level sorting is completed, after the second-level sorting is performed, single-batch goods are sorted into a plurality of orders.
8. The cross-belt multi-stage sorting method according to claim 4, further comprising: dividing a single batch of goods into 4 parts, respectively guiding the 4 parts into two groups of crossed belt type sorting units A, B formed by four single logic areas in parallel, dividing the goods into N parts, completing the first-stage sorting with the order group, sequentially and respectively conveying two same order groups to a left single logic area material supply inlet of a cross belt type sorting unit A and a left single logic area material supply inlet of a cross belt type sorting unit B of a second sorting level through two conveying lines in a first group of conveying lines at the same time, performing second-level sorting, after the second-level sorting is finished, and then the conveying lines of the second group and the third group which respectively correspond are connected to a right single logic area material supply inlet of a cross belt type sorting unit A of the third sorting level and a right single logic area material supply inlet of a cross belt type sorting unit B of the third sorting level through sorting outlets of the second sorting level, the third-level sorting is carried out to obtain 2N orders, and single-batch goods are sorted into a plurality of orders.
9. The cross-belt multi-stage sorting method according to claim 4, further comprising: the single batch of goods are divided into 4 parts and respectively led into two groups of cross belt type sorting units A, B formed by four single logic areas in parallel, after the goods are divided into N parts and are subjected to first-stage sorting with order groups, the goods in each order group are simultaneously conveyed to a sorting unit A through N conveying lines for second-stage sorting to obtain 2N parts of same order groups, and then the goods are respectively conveyed to a cross belt type sorting unit B through another group of 2N conveying lines for third-stage sorting to obtain 2N parts of orders, and the single batch of goods are sorted into a plurality of orders.
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| CN113083694A (en) * | 2021-03-30 | 2021-07-09 | 河南职业技术学院 | Express delivery parcel sorting device for commodity circulation |
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