1. Selection of demoulding mechanism:

脱模机构的驱动主要有两种，即气缸驱动或油缸驱动，为便于成型机各机构的有益配合，拟定采用油缸驱动。

There are two main types of demoulding mechanism driving, namely cylinder driving or oil cylinder driving. In order to facilitate the beneficial cooperation of various mechanisms of molding machine, it is proposed to adopt cylinder drive.

2、上料机构：

2. Feeding mechanism:

上料机构主要有两种形式：

There are two main types of feeding mechanism

(1)称重式上料机构：

(1) Weighing feeding mechanism:

称重式上料机构是取定一定重量的物料喂到模具中，其优点是可以获得准确的上料量，缺点是需要一套复杂的机械电子机构，因而增加机构的造价。

The weighing feeding mechanism is to take a certain weight of material and feed it into the mold. Its advantage is that it can obtain accurate feeding amount, but the disadvantage is that it needs a set of complex mechanical and electronic mechanisms, so it increases the cost of the mechanism.

(2)定容式上料机构：

(2) Constant volume feeding mechanism:

定容式上料机构是取定一定容积的物料喂到模具中，其的优点是机构简单、造价廉，缺点是较难得到准确的上料量。

The constant volume feeding mechanism is to take a certain volume of material and feed it into the mold. Its advantages are simple mechanism and low cost, but the disadvantage is that it is difficult to get accurate feeding amount.

中盘所需要的原料不是相当准确，允许有一定的误差，故拟定采用定容式上料机构。

The raw material needed by the middle plate is not quite accurate, and there is a certain error allowed, so the fixed volume feeding mechanism is proposed.

3、摊料机构：

3. Spreading mechanism:

一次性餐具模具推料机构的作用是利用上模的旋转，在加压之前将料推开，以保障壁厚均匀，拟采用液压马达驱动方式。

The function of pushing mechanism of disposable tableware mold is to use the rotation of upper mold to push the material away before pressurization, so as to ensure uniform wall thickness. It is planned to adopt hydraulic motor driving mode.

4、回转机构：

4. Rotary mechanism:

转机构的作用是转换工位，主要有以下几种方式：

The function of the rotating mechanism is to change the station, mainly in the following ways:

(1)轮槽间歇机构：

(1) Groove intermittent mechanism:

此种方式优点是结构简单，但有冲击、加工精度高，只适合功率的较小的场合

The advantages of this method are simple structure, but impact, high machining accuracy, only suitable for small power occasions

(2)棘轮棘爪间歇机构：

(2) Intermittent mechanism of ratchet and pawl:

棘轮棘爪间歇机构是一种常见的传动机构，缺点是噪音大，大多用在辅助机构

Ratchet and pawl intermittent mechanism is a common transmission mechanism, which has the disadvantage of high noise and is mostly used in auxiliary mechanism

(3)齿轮-齿圈传动：

(3) Gear ring gear drive:

齿轮-齿圈传动是工程机械中常用的驱动方式，技术成熟，但是造价比较高。

Gear ring gear transmission is a commonly used driving mode in construction machinery, with mature technology but high cost.

(4)齿轮-销齿传动：

(4) Gear pin tooth drive:

齿轮-销齿传动是齿轮-驱动的变种，由于销轮的轮齿是圆销，与一般齿轮相比，具有结构简单、加工方便、造价底、拆修方便等优点，故以其代替尺寸较大的渐开线齿轮时，有较大的优良性。比较齿轮-齿圈传动越加适合在成型机上使用。

Gear pin gear transmission is a variation of gear drive. Compared with general gears, pin gear transmission has the advantages of simple structure, convenient processing, low cost and convenient disassembly and repair. Therefore, it has great advantages when replacing involute gear with larger size. The gear ring gear transmission is more suitable for use in molding machine.

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