CN215325781U

CN215325781U - Express sorting system

Info

Publication number: CN215325781U
Application number: CN202120944810.8U
Authority: CN
Inventors: 许成源; 周玲
Original assignee: SF Technology Co Ltd
Current assignee: SF Technology Co Ltd; SF Tech Co Ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2021-12-28
Anticipated expiration: 2031-04-29

Abstract

The utility model provides an express sorting system which comprises a first multidirectional transmission device, a direct-current transmission line, a sorting machine, a cache transmission line and a backflow transmission line, wherein the first multidirectional transmission device is arranged on the first multidirectional transmission device; the first multi-directional transmission device is respectively butted with a first end of the direct current transmission line, the sorting machine and a first end of the backflow transmission line, and the direct current transmission line is used for transmitting express to the first multi-directional transmission device; the first multi-directional transmission device is used for moving the express delivered by the direct-current conveying line to a sorting machine or a return-flow conveying line; the sorting machine is used for sorting the express delivered by the first multi-directional transmission device; the second end butt joint buffer memory transfer chain of backward flow transfer chain first end, the second end butt joint sorting machine of buffer memory transfer chain, the buffer memory transfer chain is located the top of direct current transfer chain, and the buffer memory transfer chain is located direct current transfer chain at vertical projection. The express sorting system can ensure that the express sorting system always keeps the maximum sorting efficiency to operate, and improves the sorting efficiency of the express sorting system.

Description

Express sorting system

Technical Field

The utility model relates to the technical field of logistics sorting, in particular to an express sorting system.

Background

With the continuous development of economy and the emergence of emerging business models such as the e-commerce industry, warehousing plays an important role in the whole commodity circulation cycle. At present, the automation degree of warehousing is required to be higher and higher, and the throughput of warehousing and the quantity of warehouse goods specifications are also higher and higher. The sorting machine of commodity circulation collection and distribution center all has rated letter sorting efficiency, when the express delivery supply volume exceedes sorting machine letter sorting efficiency, can cause express delivery letter sorting system to block up, makes express delivery letter sorting system shut down, and when the express delivery supply volume is less than sorting machine letter sorting efficiency, can cause express delivery letter sorting system idle, and express delivery letter sorting system's utilization ratio is lower, and express delivery letter sorting system's letter sorting efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The utility model provides an express sorting system, and aims to solve the problem that the sorting efficiency of an express sorting system in the prior art is low.

In order to solve the technical problems, the utility model provides an express sorting system which comprises a first multidirectional transmission device, a direct-current transmission line, a sorting machine, a cache transmission line and a backflow transmission line;

the first multi-directional transmission device is respectively butted with a first end of a direct current transmission line, a sorting machine and a first end of a backflow transmission line, and the direct current transmission line is used for transmitting express to the first multi-directional transmission device;

the first multi-directional transmission device is used for moving the express delivered by the direct current conveying line to a sorting machine or the return flow conveying line; the sorting machine is used for sorting the express items moved by the first multi-directional transmission device;

the second end butt joint of backward flow transfer chain the first end of buffer memory transfer chain, the second end butt joint of buffer memory transfer chain the sorting machine, the buffer memory transfer chain is located the top of direct current transfer chain, just the buffer memory transfer chain is located at vertical projection direct current transfer chain is last.

The express sorting system comprises a first multidirectional transmission device, a second multidirectional transmission device, a first return transmission line, a second return transmission line, a first return transmission line and a second return transmission line, wherein the first multidirectional transmission device is provided with a plurality of direct-current transmission lines, the sorting machine is provided with a plurality of return transmission lines, and one end of the first return transmission line is butted with the second end of each return transmission line; the other end of the shunting device is in butt joint with the first end of each cache conveying line, and the shunting device is used for shunting the express returned by each backflow conveying line to each cache conveying line.

Wherein, the backward flow transfer chain includes first climbing transfer chain and the first spout that is inclined to the horizontal plane, the first end butt joint of first spout the first end of first climbing transfer chain, the second end butt joint of first spout a multidirectional transmission device, the second end butt joint of first climbing transfer chain diverging device, the first end of first climbing transfer chain is less than the second end of first climbing transfer chain.

The first chute is an unpowered chute, the second end of the first chute is higher than the first end of the first chute, and one end, which is butted with the first multidirectional transmission device, of the direct-current transmission line is higher than the other end of the direct-current transmission line.

The shunting device comprises a plurality of second multidirectional transmission devices and a plurality of shunting transmission lines connected with the second multidirectional transmission devices, each second multidirectional transmission device is correspondingly connected with one first end of the cache transmission line, and the second end of the first climbing transmission line is butted on one side of the shunting transmission line.

The buffer memory conveying line comprises a second climbing conveying line and a second sliding groove inclined to the horizontal plane, the first end of the second sliding groove is located above the second climbing conveying line, the second end of the second sliding groove is connected to the second multidirectional conveying device, and one end of the second climbing conveying line is located above the sorting machine.

The second chute is an unpowered chute, the second end of the second chute is higher than the first end of the first chute, and the second climbing conveyor line is located at one end above the sorting machine and is higher than the other end of the second climbing conveyor line.

The first end of the second sliding groove is hinged to a sealing plate, an electronic switch is arranged at the hinged position of the sealing plate and the second sliding groove and used for controlling the sealing plate to seal the first end of the second sliding groove or seal the first end of the second sliding groove in a releasing mode, and therefore the second sliding groove can cache express or release the cached express.

The second climbing conveying line is located a guide plate, inclined to the horizontal plane, fixedly connected with one end above the sorting machine, one end of the guide plate extends out of the top of the sorting machine, and the height between express delivery bearing surfaces of the sorting machine is larger than a preset height.

The two sides of the first climbing conveying line are provided with baffles, the two sides of the second climbing conveying line are provided with baffles, and/or the two sides of the shunting conveying line are provided with baffles.

The utility model provides an express sorting system, which utilizes a first multidirectional transmission device and a backflow conveying line to distribute and convey express exceeding sorting efficiency of a sorting machine to a cache conveying line for caching when the supply amount of the express is high, so that the sorting machine is guaranteed to sort with the maximum sorting efficiency all the time and is not blocked; when the delivery amount and supply amount peak of the express is passed, the cache conveying line takes the cached express out in a handling mode, the sorting machine sorts the express with the maximum sorting efficiency, the express sorting system can be guaranteed to always keep the maximum sorting efficiency to operate, and the sorting efficiency of the express sorting system is improved; in addition, the cache conveying line is located above the direct-current conveying line, the cache conveying line is located on the direct-current conveying line in a vertical projection mode, the cache conveying line only occupies a vertical space, the increase of occupied area of the express sorting system due to the fact that the cache conveying line is additionally arranged can be avoided, and cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic overall structure diagram of an embodiment of an express sorting system according to an embodiment of the present invention;

fig. 2 is a schematic top view of an embodiment of an express sorting system according to an embodiment of the present invention;

fig. 3 is a schematic side view of an embodiment of an express sorting system according to an embodiment of the present invention;

fig. 4 is a detailed structure diagram of the area a in fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present disclosure, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the utility model. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and processes are not shown in detail to avoid obscuring the description of the utility model with unnecessary detail. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.

The embodiment of the utility model provides an express sorting system. The details will be described below.

Firstly, the embodiment of the utility model provides an express sorting system which comprises a first multidirectional transmission device, a direct-current transmission line, a sorting machine and a backflow transmission line; the first multi-directional transmission device is respectively butted with a first end of the direct current transmission line, the sorting machine and a first end of the backflow transmission line, and the direct current transmission line is used for transmitting express to the first multi-directional transmission device; the first multi-directional transmission device is used for moving the express delivered by the direct-current conveying line to a sorting machine or a return-flow conveying line; the sorting machine is used for sorting the express delivered by the first multi-directional transmission device; the second end butt joint buffer memory transfer chain of backward flow transfer chain first end, the second end butt joint sorting machine of buffer memory transfer chain, the buffer memory transfer chain is located the top of direct current transfer chain, and the buffer memory transfer chain is located direct current transfer chain at vertical projection.

Referring to fig. 1-4, fig. 1 is a schematic diagram of an overall structure of an embodiment of an express sorting system according to an embodiment of the present invention; fig. 2 is a schematic top view of an embodiment of an express sorting system according to an embodiment of the present invention; fig. 3 is a schematic side view of an embodiment of an express sorting system according to an embodiment of the present invention; fig. 4 is a detailed structure diagram of the area a in fig. 1.

In the embodiment of the present invention, the express sorting system 10 includes a first multi-directional transmission device 12, a direct current transmission line 11, a sorting machine 13, a buffer transmission line 16, and a return transmission line 14. The first multi-directional conveyor 12 is respectively butted with a first end of the direct current conveying line 11, a first end of the sorting machine 13 and a first end of the return current conveying line 14, and the direct current conveying line 11 is used for conveying express items to the first multi-directional conveyor 12.

In the embodiment of the utility model, the first multi-directional transmission device 12 is used for moving the express items conveyed by the direct current conveying line 11 to the sorting machine 13 or the return flow conveying line 14; the sorting machine 13 is used for sorting the express items moved by the first multi-directional transmission device 12. The first multidirectional transmission device 12 may be a balance device. A typical wobbler device generally includes a base, a synchronous steering control, and a plurality of transport rollers on the base. The synchronous steering device receives control instructions to change the rotating direction and the running direction of the conveying roller and can move the objects on the conveying roller to all directions. The conveying rollers are coated with rubber, so that the damage to the surface of a conveyed object can be effectively avoided. Jacking transfer machines are commonly used to change the direction of conveyance of articles to transfer articles from a fork into or out of a main conveyor line.

The first multi-directional transport apparatus 12 may be a jack-up transfer machine. Jacking transfer machines are commonly used to change the direction of conveyance of articles to transfer articles from a fork into or out of a main conveyor line. The bearing device has the characteristics of large bearing capacity, simple structure, stability and reliability. The jacking transfer machine adopts programmable control, so that articles can conveniently enter and exit the main and auxiliary conveying lines without collision, extrusion and other phenomena. Furthermore, the jacking transfer machine can be a cam jacking transfer machine or an air cylinder jacking transfer machine according to specific conditions.

In the embodiment of the utility model, the second end of the reflow conveying line 14 is butted with the first end of the buffer conveying line 16, and the second end of the buffer conveying line 16 is butted with the sorting machine 13. The return flow conveying line 14 is used for returning the express items moved by the first multi-directional conveying device 12 to the buffer conveying line 16 for buffering. The buffer conveying line 16 is located above the direct-current conveying line 11, and a vertical projection of the buffer conveying line 16 is located on the direct-current conveying line 11. When the supply amount of the express is high, the first multi-directional transmission device 12 and the return flow conveying line 14 divide the express exceeding the sorting efficiency of the sorting machine 13 and convey the express to the cache conveying line 16 for caching, so that the sorting machine 13 is guaranteed to sort the express at the maximum sorting efficiency all the time and is not blocked; when the peak of the delivery amount and the supply amount of the express is over, the cache conveying line 16 sends out the cached express, so that the sorting machine 13 sorts the express with the maximum sorting efficiency, the express sorting system 10 can be ensured to always keep the maximum sorting efficiency to operate, and the sorting efficiency of the express sorting system 10 is improved; in addition, the cache conveying line 16 is located above the direct-current conveying line 11, the cache conveying line 16 is located on the direct-current conveying line 11 in a vertical projection mode, the cache conveying line 16 only occupies a vertical space, the increase of the occupied area of the express sorting system 10 due to the fact that the cache conveying line 16 is additionally arranged can be avoided, and cost is reduced.

In the embodiment of the present invention, the number of the first multi-directional conveying devices 12 is multiple, the number of the direct current conveying lines 11 is multiple, the number of the sorting machines 13 is multiple, the number of the return current conveying lines 14 is multiple, and the express sorting system 10 further includes a flow dividing device 15. One end of the flow dividing device 15 is butted with the second end of each backflow conveying line 14; the other end of the shunting device 15 is butted with the first end of each cache conveying line 16, and the shunting device 15 is used for shunting the express returned by each backflow conveying line 14 to each cache conveying line 16. When the quantity of direct current transfer chain 11, sorting machine 13, backward flow transfer chain 14 is a plurality of, through setting up diverging device 15, can shunt the express delivery that different backward flow transfer chains 14 were carried to arbitrary one in many buffer memory transfer chains 16, can avoid the express delivery inequality of 16 buffers of each buffer memory transfer chain to improve every buffer memory transfer chain 16's utilization ratio, improve the buffer memory ability of express delivery letter sorting system 10.

In the embodiment of the present invention, the backflow conveying line 14 includes a first climbing conveying line 142 and a first chute 141 inclined to the horizontal plane, a first end of the first chute 141 is abutted to a first end of the first climbing conveying line 142, a second end of the first chute 141 is abutted to the first multi-directional conveying device 12, a second end of the first climbing conveying line 142 is abutted to the diverting device 15, and the first end of the first climbing conveying line 142 is lower than the second end of the first climbing conveying line 142. The first climbing conveyor line 142 may include a plurality of first sub-climbing conveyor lines connected end to form the first climbing conveyor line 142 in a straight line shape or a broken line shape. The first sub-climbing conveying line can be a belt conveyor or a roller conveyor. The first end of first climbing transfer chain 142 is less than the second end of first climbing transfer chain 142 for the second end of first climbing transfer chain 142 can be located the top of direct current transfer chain 11, thereby makes the diverging device 15 of the second end butt joint with first climbing transfer chain 142 can be located the height of difference, the high space in make full use of place with direct current transfer chain 11.

In the embodiment of the present invention, the first sliding chute 141 is an unpowered sliding chute, the second end of the first sliding chute 141 is higher than the first end of the first sliding chute 141, and one end of the direct current transmission line 11, which is in butt joint with the first multidirectional transmission device 12, is higher than the other end of the direct current transmission line 11. The unpowered sliding groove means that express delivery moves by self gravity or inertia after entering the unpowered sliding groove. The express items can slide into the first climbing conveyor line 142 along the first chute 141 without power after being pushed into the first chute 141 by the first multi-directional transmission device 12. Further, the surface of the first chute 141 may be provided with a plurality of sliding rollers, and when express enters the first chute 141, the express can be quickly moved to the first climbing conveying line 142 by means of the sliding rollers. Of course, in other embodiments, the second end of the first sliding chute 141 may also be lower than the first end of the first sliding chute 141, and at this time, a plurality of driving pulleys driven by the motor to rotate may be disposed on the surface of the first sliding chute 141, and the express delivery is driven by the driving pulleys; of course, the first chute 141 may be replaced with a belt conveyor, a drum conveyor, an inclined plate, or the like.

In the embodiment of the present invention, the diverting device 15 includes a plurality of second multi-directional transmission devices 151 and a plurality of diverting transmission lines 152 connecting two adjacent second multi-directional transmission devices 151, each second multi-directional transmission device 151 is correspondingly connected to a first end of one buffer transmission line 16, and a second end of the first climbing transmission line 142 is butted to one side of the diverting transmission line 152. The second multi-directional transmission device 151 may be a balance wheel device or a jacking transfer machine, and the diversion conveyor line 152 is a bidirectional belt conveyor or a bidirectional roller conveyor. Can let the express delivery remove to arbitrary one second multidirectional transmission device 151 through a plurality of reposition of redundant personnel transfer chain 152 on, and then remove the express delivery to buffer memory transfer chain 16 through the multidirectional transportation function of second multidirectional transmission device 151, can remove the express delivery of arbitrary one backward flow transfer chain 14 backward flow to arbitrary one buffer memory transfer chain 16.

In the embodiment of the present invention, the buffer conveying line 16 includes a second climbing conveying line 162 and a second chute 161 inclined to the horizontal plane, a first end of the second chute 161 is located above the second climbing conveying line 162, a second end of the second chute 161 is connected to the second multi-directional conveying device 151, and an end of the second climbing conveying line 162 is located above the sorting machine 13.

In the embodiment of the present invention, the second chute 161 is an unpowered chute, the second end of the second chute 161 is higher than the first end of the first chute 141, and the end of the second climbing conveyor line 162 above the sorting machine 13 is higher than the other end of the second climbing conveyor line 162. The express items can slide into the second climbing conveyor line 162 along the second chute 161 without power after being pushed into the second chute 161 by the second multi-directional transfer device 151. The second climbing conveyor line 162 may include a plurality of second sub-climbing conveyor lines, and the plurality of second sub-climbing conveyor lines are connected end to form the second climbing conveyor line 162 in a straight line shape or a broken line shape. The second sub-climbing conveying line can be a belt conveyor or a roller conveyor. Further, the surface of second chute 161 may be provided with a plurality of sliding rollers, and when the express enters second chute 161, the express can be quickly moved to second climbing conveyor line 162 by means of the sliding rollers. Of course, the second chute 161 may be replaced with a belt conveyor, a drum conveyor, an inclined plate, or the like. The heights of the two ends of the second climbing conveying line 162 are different, and the second climbing conveying line 162 has a longer length to cache more expressages under the condition that the horizontal conveying distance is fixed.

Further, a closing plate 164 is hinged to a first end of the second chute 161, and an electronic switch (not shown) is disposed at a hinge position between the closing plate 164 and the second chute 161, and the electronic switch is used for controlling the closing plate 164 to block the first end of the second chute 161 or to unblock the first end of the second chute 161, so that the second chute 161 buffers the express items or releases the buffered express items. Through the second spout 161 of closing plate 164 shutoff, can utilize second spout 161 to carry out the express delivery buffering to after the express delivery is filled up, release to second climbing transfer chain 162, realize multistage buffering, improve the buffer memory capacity.

In the embodiment of the present invention, one end of the second climbing conveyor line 162 located above the sorter 13 is fixedly connected to a guide plate 163 inclined to the horizontal plane, one end of the guide plate 163 extends above the sorter 13, and the height between the guide plate 163 and the express delivery carrying surface of the sorter 13 is greater than a preset height. The preset height can be set according to specific conditions, for example, the maximum height of the express to be sorted is preset, and the preset height can avoid the guide plate 163 from blocking the direct current conveying line 11 to convey the express to the sorting machine 13.

In the embodiment of the present invention, the baffles 17 are disposed on both sides of the first climbing conveyor line 142, and/or the baffles 17 are disposed on both sides of the second climbing conveyor line 162, and/or the baffles 17 are disposed on both sides of the diversion conveyor line 152.

Further, the express sorting system 10 further includes a work platform 182 and a parking platform 181, a plurality of parking spaces are provided on the parking platform 181 for parking the trucks, the work platform 182 is used for carrying each device in the express sorting system 10, and the upper surface of the work platform 182 is higher than the upper surface of the parking platform 181. The express sorting system 10 further includes a telescopic belt conveyor (not shown) for abutting the truck on the parking space and the other end of the direct current conveying line 11.

The work flow of the express sorting system 10 of the present invention can be realized as follows:

the express is unloaded from the truck and enters the direct current conveying line 11 through the telescopic belt conveyor;

when the supply amount of the express delivery does not exceed the sorting efficiency of the sorting machine 13, the express delivery directly enters the sorting machine 13 for sorting in a whole line;

when the supply of the express delivery exceeds the sorting efficiency of the sorting machine 13, the first chute 141 diverts the redundant express delivery, so that the sorting machine 13 keeps the maximum sorting efficiency for sorting;

the diverted express is returned to the diversion conveying line 152 of the diversion device 15 through the first climbing conveying line 142, on one hand, the second multi-directional conveying device 151 can divert the goods to the second chute 161 corresponding to the second multi-directional conveying device, and can also divert the goods to the second chutes 161 corresponding to other second multi-directional conveying devices 151, so that all the second chutes 161 can uniformly buffer the express;

after a certain amount of express is cached in the second chute 161, the closing plate 164 is opened by controlling the electronic switch, then the accumulated express is released to the second climbing conveyor line 162, and then the second climbing conveyor line 162 runs to drive the express to advance so as to prepare for the next release of the express in the second chute 161;

the second climbing conveyor line 162 serves as a container for storing the express items, and when the supply amount of the express items of the sorting machine 13 is insufficient, the second climbing conveyor line 162 sorts the express items for the sorting machine 13 in a throughput manner.

The utility model provides an express sorting system which comprises a first multidirectional transmission device, a direct-current transmission line, a sorting machine, a cache transmission line and a backflow transmission line, wherein the first multidirectional transmission device is arranged on the first multidirectional transmission device; the first multi-directional transmission device is respectively butted with a first end of the direct current transmission line, the sorting machine and a first end of the backflow transmission line, and the direct current transmission line is used for transmitting express to the first multi-directional transmission device; the first multi-directional transmission device is used for moving the express delivered by the direct-current conveying line to a sorting machine or a return-flow conveying line; the sorting machine is used for sorting the express delivered by the first multi-directional transmission device; the second end butt joint buffer memory transfer chain of backward flow transfer chain first end, the second end butt joint sorting machine of buffer memory transfer chain, the buffer memory transfer chain is located the top of direct current transfer chain, and the buffer memory transfer chain is located direct current transfer chain at vertical projection.

The express sorting system provided by the embodiment of the utility model is described in detail, a specific example is applied in the description to explain the principle and the implementation of the utility model, and the description of the embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for those skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. The express sorting system is characterized by comprising a first multidirectional transmission device, a direct-current transmission line, a sorting machine, a cache transmission line and a backflow transmission line;

2. The courier sorting system of claim 1, wherein the first multi-directional transport device is plural in number, the dc transport lines are plural in number, the sorter is plural in number, the return transport lines are plural in number, the courier sorting system further comprises a diverter device, one end of the diverter device docks with a second end of each of the return transport lines; the other end of the shunting device is in butt joint with the first end of each cache conveying line, and the shunting device is used for shunting the express returned by each backflow conveying line to each cache conveying line.

3. The express sorting system of claim 2, wherein the return flow conveyor line comprises a first climbing conveyor line and a first chute inclined to a horizontal plane, a first end of the first chute is in butt joint with a first end of the first climbing conveyor line, a second end of the first chute is in butt joint with the first multidirectional transmission device, a second end of the first climbing conveyor line is in butt joint with the diversion device, and the first end of the first climbing conveyor line is lower than the second end of the first climbing conveyor line.

4. The courier sorting system of claim 3, wherein the first chute is an unpowered chute, the second end of the first chute is higher than the first end of the first chute, and the end of the dc conveyor line that abuts the first multidirectional transfer device is higher than the other end of the dc conveyor line.

5. The express sorting system according to claim 3, wherein the diverting device includes a plurality of second multi-directional transmission devices and a plurality of diverting transmission lines connecting two adjacent second multi-directional transmission devices, each of the second multi-directional transmission devices is correspondingly connected to a first end of one of the buffer transmission lines, and a second end of the first climbing transmission line is butted against one side of the diverting transmission line.

6. The express sorting system of claim 5, wherein the buffer conveyor line includes a second climbing conveyor line and a second chute inclined to a horizontal plane, a first end of the second chute is located above the second climbing conveyor line, a second end of the second chute is connected to the second multi-directional transmission device, and an end of the second climbing conveyor line is located above the sorting machine.

7. The courier sorting system of claim 6, wherein the second chute is an unpowered chute, a second end of the second chute is higher than a first end of the first chute, and an end of the second climbing conveyor line above the sorter is higher than the other end of the second climbing conveyor line.

8. The express sorting system of claim 7, wherein a closing plate is hinged to the first end of the second chute, and an electronic switch is disposed at a hinge of the closing plate and the second chute, and the electronic switch is configured to control the closing plate to block or unblock the first end of the second chute, so that the second chute buffers or releases buffered express.

9. The express delivery sorting system of claim 8, wherein a guide plate inclined to a horizontal plane is fixedly connected to an end of the second climbing conveyor line above the sorting machine, and an end of the guide plate extends above the sorting machine and has a height greater than a preset height from an express delivery carrying surface of the sorting machine.

10. The courier sorting system of claim 6, wherein baffles are provided on both sides of the first climbing conveyor line, and/or baffles are provided on both sides of the second climbing conveyor line, and/or baffles are provided on both sides of the diversion conveyor line.