Method and device for processing plastic containers with a speed-controlled blow molding machine

文档序号:1382206 发布日期:2020-08-14 浏览:36次 中文

阅读说明:本技术 利用速度可控的吹塑机来处理塑料容器的方法和设备 (Method and device for processing plastic containers with a speed-controlled blow molding machine ) 是由 埃里克·布洛赫曼 约亨·福斯特维尔 于 2018-11-08 设计创作,主要内容包括:本发明涉及一种借助至少一个第一处理装置(2)和至少一个第二处理装置(4)来处理塑料预制件(10)和/或塑料容器(20)的方法,第一处理装置以第一指定方式处理塑料容器(10,20),第二处理装置以第二指定方式处理塑料容器(10,20)并且所述第二处理装置布置在第一处理装置(2)之前或之后,其中,借助运输装置(5)将塑料容器(10,20)从一个处理装置(2,4)运输到另一个处理装置(2,4),并且至少第一处理装置(2)和至少第二处理装置(4)相互耦合,第一处理装置(2)是用于对塑料预制件(10)进行塑造以成形为塑料容器(20)的吹塑机(25),并且吹塑机(25)的处理速度是借助包含了若干个对塑造处理进行表征的处理参数的规格来限定的。根据本发明,基于至少两个关键规格来至少部分地确定与至少一个另外的处理速度关联的处理参数,从而能够将吹塑机(25)的处理速度适配于至少一个另外的处理装置(2,4)的速度和/或使速度的调节成为可能。(The invention relates to a method for processing plastic preforms (10) and/or plastic containers (20) by means of at least one first processing device (2) which processes the plastic containers (10, 20) in a first defined manner and at least one second processing device (4) which processes the plastic containers (10, 20) in a second defined manner and which is arranged before or after the first processing device (2), wherein the plastic containers (10, 20) are transported by means of a transport device (5) from one processing device (2, 4) to the other processing device (2, 4) and at least the first processing device (2) and at least the second processing device (4) are coupled to one another, the first processing device (2) being a blow moulding machine (25) for moulding the plastic preforms (10) to form the plastic containers (20), and the processing speed of the blow molding machine (25) is defined by means of specifications comprising a number of process parameters characterizing the molding process. According to the invention, the processing parameters associated with the at least one further processing speed are determined at least partially on the basis of at least two critical specifications, so that the processing speed of the blow molding machine (25) can be adapted to the speed of the at least one further processing device (2, 4) and/or an adjustment of the speed is made possible.)

1. Method for processing plastic preforms (10) and/or plastic containers (20) by means of at least one first processing device (2) which processes the plastic containers (10, 20) in a first specified manner and at least one second processing device (4) which processes the plastic containers (10, 20) in a second specified manner and which is connected upstream or downstream of the first processing device (2), wherein the plastic containers (10, 20) are transported from one processing device (2, 4) to the other processing device (2, 4) by means of a transport device (5) and at least the first processing device (2) and at least the second processing device (4) are coupled to one another, wherein the first processing device (2) is a blow molding machine (25) which deforms the plastic preforms (10) into the plastic containers (20), and the processing speed of the blow molding machine (25) is specified by a formula comprising a number of processing parameters characterizing the deformation process, characterized in that the processing parameters associated with at least one further processing speed are at least partially determined by means of at least two key formulas, so that the processing speed of the blow molding machine (25) can be adjusted to the speed of at least one further processing device (2, 4) and/or a setting of the speed is made possible.

2. Method according to claim 1, characterized in that the processing parameters are interpolated, and preferably linearly interpolated, according to a mathematical rule between a first key formula containing a first velocity and a second key formula containing a second velocity.

3. Method according to claim 1, characterized in that the process parameter characterizing the deformation process is preferably the temperature of the plastic preform, so that the adaptation of the formula is made with respect to the temperature of the plastic preform.

4. The method of claim 2, wherein the first speed is a minimum speed of the blow molding machine (25) and the second speed is a maximum speed of the blow molding machine (25).

5. Method according to at least one of the preceding claims, characterized in that the process parameters determined between the key formulae and the associated process speed are stored in another formula.

6. Method according to at least one of the preceding claims, characterized in that the speed change of the blow moulding machine (25) is performed smoothly.

7. Method according to at least one of the preceding claims, characterized in that the processing parameters characterizing the deformation process are selected from a group of processing parameters comprising: the temperature of the plastic prefabricated part, the blow molding pressure, the deformation time, the switching time of a valve, the temperature of a blow molding die, the stretching speed and the like.

8. Method according to at least one of the preceding claims, characterized in that in the case of a change of the processing speed of the blow molding machine (25), the heating parameters of the heating device (30) are also changed.

9. Method according to claim 8, characterized in that the heating parameters of the heating device (30) are first changed and then the speed of the blow moulding machine (25) is changed.

10. An apparatus (1) for processing plastic preforms (10) and/or plastic containers (20), having at least one first processing device (2) which processes the plastic containers (10, 20) in a first specified manner and at least one second processing device (4) which processes the plastic containers (10, 20) in a second specified manner and which is connected upstream or downstream of the first processing device, wherein the plastic containers (10, 20) are transported from one processing device (2, 4) to the other processing device (2, 4) by means of a transport device (5) and at least the first processing device (2) and at least the second processing device (4) can be coupled to one another, wherein the first processing device (2) is a blow molding machine (25) which deforms plastic preforms (10) into plastic containers (20), and the processing speed of the blow molding machine (25) can be specified by a formula comprising a number of processing parameters characterizing the deformation process, characterized in that the processing parameters associated with at least one further processing speed can be determined at least partially by means of at least two key formulas, so that the processing speed of the blow molding machine (25) can be adjusted to the speed of at least one further processing device (2, 4) and/or a setting of the speed is made possible.

11. The apparatus (1) according to claim 10, characterized in that said second processing means (4) are selected from a group of processing means comprising: an injection molding machine (40) for producing plastic preforms (10), a heating device (30) for heating the plastic preforms (10), a filling device (50) for filling the plastic containers (20), a closing device for closing the filled containers (20), a sterilization device for sterilizing the plastic preforms (10) and/or the plastic containers (20), and the like.

12. The apparatus (1) according to at least one of the preceding claims, characterized in that it has a buffer device (35), which is preferably arranged upstream of the blow molding machine (25).

13. Device (1) according to at least one of the preceding claims, characterized in that the device (1) has a storage means (100) in which the process parameters determined between the key formulae and the associated process speed can be stored in another formula.

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