As one of the six major products of JD Logistics, JD Cold Chain originated from the cold chain system created by JD Logistics in 2014. In 2017, with the independence of JD Logistics and its move towards socialized services, JD Logistics officially launched the JD Cold Chain brand in 2018.

 

After the epidemic, the resilience of JD Cold Chain's national network has become prominent. Jd Cold Chain has broken down this resilience into three words: technology-driven, one-stop service, and platform-based model.

 

The automated sorting process of JD Cold Chain Sorting Center

Warehousing and shipment:

The cold chain sorting center is integrated with the warehouse conveyor line. The goods that have been packaged in the warehouse flow directly to the cold chain sorting center through the conveyor line.

 

Separation of luggage:

Based on the operation mode, there are currently two main types of goods in warehouse packaging, namely the original package (20%) and the insulated box (80%). The two types of packaging are first automatically separated from the original package and the insulated box. The original package flows into the manual sorting line, while the insulated box flows into the automatic sorting line with a pendulum wheel.

 

Rough division of the box:

The insulated boxes are automatically distributed to the automatic sorting line by the balance wheel equipment and then sorted automatically by the balance wheel equipment. The balance wheel equipment on the main line here is a high-speed balance wheel, with a single-hour sorting rate of no less than 4,500 pieces per hour.

 

Box subdivision:

After the insulated boxes are roughly sorted by the balance wheel equipment, they are further subdivided to the corresponding stations and sorting centers by the balance wheels of the branch lines. The single-hour sorting rate of the balance wheels of the branch lines is no less than 2,500 pieces per hour.

 

Automatic palletizing:

The insulated boxes are automatically sorted by the balance wheel equipment and then automatically palletized by the mechanical arm.

 

 

AGV(Automated Guided Vehicle，) automatic handling：

After the palletizing is completed, an instruction is sent to the AGV. Upon receiving the task, the AGV trolley moves the pallets in the palletizing area to the temporary storage area for shipment and waits for shipment. After the AGV pulls away the goods, it directly proceeds with the task of replenishing the pallets.

 

 

The capacity of the pendulum sorting mode is three times that of the manual sorting mode

In the process of box separation - box rough sorting - box subdivision, the high-speed and medium-speed pendulum sorting machines of Changheng Intelligent are used. Ensure that the conveyed objects are free from vibration and damage, so that products of various shapes and specifications can be sorted smoothly and flexibly.

 

 

Pendulum wheel sorting, with a maximum operating speed of 2m/s, has a production capacity of 3,000 to 5,000 pieces per hour

Features of Changheng Intelligent pendulum Sorting Equipment:

• Suitable for products of various shapes and specifications

• It can be used for product diversion, convergence, alignment, rotation and other treatments

• Therefore, the conical wheel drive will not have a twisted belt phenomenon

• The circular power ball treats the wear gently and will not damage the items

• Embedded module design, quick replacement

 

 

Agvs undertake the material handling work, achieving the replacement of "goods to people" with "people to goods"

During the process of automatic palletizing -AGV automatic transportation, the task trigger form of the AGV trolley can simultaneously include key trigger and mechanical arm system connection trigger.

 

 

Each AGV device automatically guides the transportation of 1 ton of fresh order pallets

 

When a robotic arm or a person issues a call to an AGV, whether it is an AGV on standby at a standby site or one returning to the standby site, the system will allocate the optimal AGV based on the status of the task and intelligently retrieve the best route.

 

Moreover, the system collects the real-time status information and position of each AGV. Not only can the position accuracy be within ± 5cm, but it can also achieve real-time monitoring of the parameters of the AGV. Be able to promptly and quickly feedback abnormal information (such as trolley failure, storage position failure, goods drop, QR code damage, storage position blockage, etc.) and assist in handling abnormal problems.

 

Features of Changheng Intelligent AGV Intelligent Management System:

• Real-time monitoring enables AGVs to promptly feedback abnormal information

• Calculate the walking route of AGVs in real time to improve their operational efficiency

• Automatically dispatch AGVs with excessively low voltage to charging stations for charging

• Multiple safety collision avoidance mechanisms prevent crashes caused by wireless interruption

• The three-layer collision avoidance safety handling mechanism prevents AGVs from colliding with on-site workers, items and other AGVs during their movement

 

 

The WCS control system enables a dual upgrade in speed and quality

For the process flow of the cold chain automatic sorting line, the WCS control system developed by Changheng Intelligent seamlessly connects the warehousing logistics system, the sorting and distribution logistics system, and the control platform of the production line, achieving integrated control and management of the network environment, data collection, equipment monitoring, and control interfaces.

 

Under the control of the WCS system, each sorting line can independently start up, reset faults, make emergency stops, indicate signal faults, and operate without affecting each other. An emergency stop button is installed on the conveyor line body every 5 meters to facilitate the handling of equipment safety faults.

 

Features of Changheng Intelligent WCS Control System For scattered has chosen, the whole case and pallet synchronous coordination "goods to people" and "the arrival of the" order processing procedure, modular software allowed to gradually increase the function of equipment and achieve the real time synchronization control, logistics, information flow for the system to access the "Internet of things" laid a solid foundation and support for the analysis of the distribution, choose a variety of processes such as optimization.

 

 

A new model of "human-machine CP" at minus degrees Celsius

The investment in cold warehouse "goods-to-person" picking systems and cold chain automated sorting systems can accelerate the circulation of cold chain orders, enabling consumers to receive fresh orders in the shortest time and further enhancing the shopping experience.

 

Meanwhile, in low-temperature environments, most of the operation links are replaced by automated equipment. Some employees return to the warm office to monitor and manage the equipment, which has also upgraded the experience of the employees engaged in cold chain sorting.

 

According to an employee of JD Logistics' North China Cold Chain Sorting Center, "Previously, every step of each order production required manual operation, with people checking and judging the flow of goods. Now, all these steps have been replaced by machines, eliminating many steps and significantly improving efficiency." The entire environment has also become safer and cleaner because of smart devices.

 

Through the collaboration of "human-machine CP", the order volume produced is 2.5 times the production capacity of the same area of the site, and the labor efficiency has also increased by 2 times. Staff, according to the warehouse daily average amount of single in 13000-1400, 618 during the daily average amount of single at about 45000.