仓储与配送科学-5.2.1 Sortation equipment

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仓储与配送科学-5.2.1 Sortation equipment

仓储与配送科学

Sortation equipment is an expensive form of automation that is typically integrated with a conveyor system and installed downstream from picking. It is used mostly when picking cartons, because they tend to be fairly uniform in dimension and weight.

A sortation system enables pick lists to be constructed purely for effificiency. For example, if twenty customers all want SKU A, it might make sense to send one order picker to pick all the requested SKU A in one trip and rely on the sortation system to separate it all out for the customers.

Naturally this requires scanning technologies (bar codes or RFID) and signifificant IT support for real-time control.

There are many different types of sorters, depending on required speeds and types of material to be handled. One common sorter is a push sorter, which simply pushes a passing carton off the main conveyor and onto an alternative path, such as onto a spur at which an order collects. A tilt-tray sorter is used for material that cannot be easily pushed but can slide, such as apparel. Also, a tilt-tray sorter does not need to know the orientation of the item it carries, while a push sorter typically must know the size and orientation.

Tilt trays serve as both conveyor and sorter; but they must circulate and so must be built as loop. In contrast, a belt conveyor can be run from one point to another and so can be cheaper.

It is a challenge to design an effective sortation system because it must handle a range of sizes, shapes, and textures; and it must have suffificient capacity as well as the ability to handle surges. Another important design issue is to decide how many spurs are required, because this limits the number of orders that can be picked at a time.There are also challenges in deciding how orders should be assigned to spurs and how recirculation should be managed (exit the system? recirculate? divert into a separate recirculation lane?).

As with all automation, there is an element of risk: A broken sorter can idle the entire warehouse.

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Sweeper 小密圈用户来自于: 河北省廊坊市
2020-09-10 19:51

5.2.1 分拣设备

分拣设备是一种昂贵的自动化设备，它通常与输送系统集成，并安装在拣货处理的下游。它主要用于分拣纸箱，因为纸箱在尺寸和重量上是基本一致的。

有了分拣系统，让拣货就是为效率服务的。例如，如果20个客户都想要SKU A，那么让一个拣货工在一次行走中拣出所有的SKU A，并依赖分拣系统为客户将其全部分离出来，将是非常有效。

当然，这需要采用扫描技术(条形码或RFID)和重要的IT基础来支持实时控制。

据对速度和需要处理货品的材质不一，市面上的分拣系统也有许多种。常见的是推式分拣机，它只是简单地将一个经过的纸箱从主传送带上推到另一条路径上，比如推到一个订单集货分支巷道口。翻板式分拣机则用于不容易推但可以滑动的材料，如服装。此外，翻板式分拣机不需要知道它携带的物品的方向，而推式分拣机通常必须知道大小和方向。

翻板式分拣机作为输送机和分拣，因此必须形成环线。相比之下，带式输送机可以从一个地方运行到另一个地方，它可以更便宜。

设计一个有效的分拣系统是一个挑战，因为它必须能处理各种尺寸、形状和材质;还必须有足够的能力来处理激增需求。另一个重要的设计问题是选择需要多少个集货口，因为它与每次能拣的订单数紧密相关。如果将订单分配每个集货口和如何处理环线循环也是一个重要考量（弹出？重新循环？或分进另一个循环口？）

与所有自动化一样，存在着这样一个风险:分拣机坏掉就有可能会让整个仓库停摆。

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发布时间: 2020-06-24 15:31

更新时间: 2020-09-10 19:51

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