WO2021082037A1 - 一种吹瓶机加热控制系统 - Google Patents

一种吹瓶机加热控制系统 Download PDF

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Publication number
WO2021082037A1
WO2021082037A1 PCT/CN2019/116140 CN2019116140W WO2021082037A1 WO 2021082037 A1 WO2021082037 A1 WO 2021082037A1 CN 2019116140 W CN2019116140 W CN 2019116140W WO 2021082037 A1 WO2021082037 A1 WO 2021082037A1
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WIPO (PCT)
Prior art keywords
bottle blowing
blowing machine
control system
heater group
heating control
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PCT/CN2019/116140
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English (en)
French (fr)
Inventor
冯翰新
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清远华新达饮品有限公司
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Publication of WO2021082037A1 publication Critical patent/WO2021082037A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/64—Heating or cooling preforms, parisons or blown articles
    • B29C49/6409—Thermal conditioning of preforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/78—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/78—Measuring, controlling or regulating
    • B29C49/786—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7158—Bottles

Definitions

  • the invention relates to the technical field of a bottle blowing machine, and more specifically, to a heating control system for a bottle blowing machine.
  • Blow molding is a manufacturing process for forming hollow products.
  • the plastic blank In the process of blow molding, the plastic blank must be melted and formed into a parison to be processed.
  • the parison to be processed is a tubular plastic part that is closed in the mold by gas pressure. In the thermoplastic, it is inflated into hollow products.
  • the heating system of the blow molding machine to heat the plastic blank to a certain temperature, so that the plastic blank is softened into the pre-processed blank, and then stretch-blow molding is performed.
  • the heating systems currently in use all use a set of heating systems for heating, and the heater is easily damaged during use, resulting in shutdown for inspection and maintenance, which has a greater impact on production and seriously affects the work progress.
  • the present invention provides a heating control system for a bottle blowing machine, which will not affect the production and ensure the work progress.
  • a heating control system for a bottle blowing machine is provided with a material blank conveying path, including a temperature sensor, an upper computer, a programmable controller, and a first heater group connected in parallel, which are arranged at the discharge port of the material blank conveying path And a second heater group, the temperature sensor, the programmable controller, the first heater group and the second heater group are respectively connected to the host computer.
  • the first heater group and the second heater group are powered by a three-phase AC power source, the three-phase line of the three-phase AC power is delta connection, the first heater group and the second heater
  • the groups are respectively connected to different two-phase lines among the three-phase lines and provided with control switches, and the control switches are connected to the programmable controller.
  • the first heater group and the second heater group both include several heaters of the same number, and each of the heaters is connected to a relay.
  • the heater is an infrared heating tube
  • a driving circuit is included, and the driving circuit is respectively connected to the programmable controller, the first heater group and the second heater group.
  • a temperature control circuit is provided between the temperature sensor and the drive circuit.
  • the adopted wireless modulation mode includes 2.4G wireless transmission, Bluetooth and WiFi.
  • the programmable controller is a PLC or a single-chip microcomputer.
  • the plurality of temperature sensors are arranged corresponding to different positions of the blank.
  • an alarm module is included, and the alarm module is connected to the programmable controller.
  • the beneficial effect of the present invention is that by arranging the first heater group and the second heater group in parallel, the first heater group and the second heater group can work independently, and only one of the heater groups needs to be used in normal use. Heating is sufficient. When the heater group fails, stop the heater group and activate another heater group. After the bottle blowing machine stops working, troubleshoot and repair the fault will not affect the production. , To ensure the progress of the work.
  • the invention has good use effect and is easy to popularize and use.
  • Fig. 1 is a structural block diagram of the heating control system of the bottle blowing machine of the present invention.
  • FIG. 2 is a schematic diagram of the connection between the first heater group and the second heater group of the heating control system of the bottle blowing machine of the present invention.
  • a heating control system for a bottle blowing machine in this embodiment.
  • the bottle blowing machine is provided with a blank conveying path, including a temperature sensor, a host computer, and a programmable device at the discharge port of the blank conveying path.
  • the controller and the first heater group and the second heater group connected in parallel, the temperature sensor, the programmable controller, the first heater group and the second heater group are respectively connected to the Host computer connection.
  • the heating control system of the bottle blowing machine by setting the first heater group and the second heater group in parallel, the first heater group and the second heater group can work independently, and only need to use them during normal use.
  • One group of heater groups can be heated.
  • the group of heater groups fails, stop the group of heater groups and enable another group of heater groups.
  • the invention has good use effect and is easy to popularize and use.
  • the programmable controller is the control core of the control system, completing all the sequence, interlocking, protection, and process control.
  • the programmable controller receives and calculates the operating signal and set value of the upper computer 4, and transmits the received monitoring value to the upper computer for display in real time.
  • the host computer communicates with the programmable controller in real time to monitor, record and display the operating status and operating parameters of the heating equipment.
  • the programmable controller is a PLC or a single-chip microcomputer.
  • the wireless connection between the host computer and the programmable controller adopts wireless modulation modes including 2.4G wireless transmission, Bluetooth and WiFi. It adopts a variety of modulation methods, which can be used according to the actual situation, which greatly increases the practical range.
  • the first heater group and the second heater group are powered by a three-phase AC power source, the three-phase line of the three-phase AC power is delta connection, and the first heater group and the second heater group are The heater groups are respectively connected to different two-phase lines among the three-phase lines and provided with control switches, and the control switches are connected to the programmable controller.
  • both the first heater group and the second heater group include several heaters of the same number, and each heater is connected to a relay, so that each of the relays can be The individual control of the heater, so as to control the number of heaters according to needs, to achieve better heating control of the entire system.
  • the heater is an infrared heating tube.
  • a driving circuit is included, and the driving circuit is connected to the programmable controller, the first heater group, and the second heater group, respectively, and a temperature controller is provided between the temperature sensor and the driving circuit. Circuit.
  • thermosensors there are multiple temperature sensors, and multiple temperature sensors are set corresponding to different positions of the blank. In this way, the temperature at different positions of the blank can be measured to know whether the heater is damaged.
  • the heating control system of the bottle blowing machine further includes an alarm module.
  • the alarm module can be an alarm or a flashing light.
  • the alarm module is connected to the programmable controller, which increases the safety of the system.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)

Abstract

本发明涉及吹瓶机技术领域，公开了一种吹瓶机加热控制系统，吹瓶机设有料胚输送路径，包括设置在料胚输送路径的出料口的温度传感器、上位机、可编程控制器和相并联连接的第一加热器组和第二加热器组，所述温度传感器、所述可编程控制器、所述第一加热器组和所述第二加热器组分别与所述上位机连接。本发明通过并联设置第一加热器组和第二加热器组，使得第一加热器组和第二加热器组可单独工作，正常使用时只需使用其中一组加热器组进行加热即可，当该组加热器组出现故障时停止该组加热器组，启用另一组加热器组即可，待吹瓶机停止工作后再进行故障的排除与维修，不会影响生产，保证了工作进度。本发明使用效果好，易于推广使用。

Description

一种吹瓶机加热控制系统 技术领域
本发明涉及吹瓶机技术领域，更具体地说，涉及一种吹瓶机加热控制系统。
背景技术
吹塑成型是形成中空制品的制造工艺，吹塑成型的过程，需先将塑料胚熔化并将其形成待加工型坯，而待加工型坯为管状的塑料件，利用气体压力使闭合于模具中的热塑性塑料，吹胀成中空制品。一般情况下，将塑料胚融化时，需透过吹瓶机的加热系统加热，使塑胶胚加热到达一定温度，使塑料胚软化为待加工型胚后，再进行拉吹成型。目前使用的加热系统均采用一套加热系统进行加热，而在使用过程中加热器容易损坏，导致要停机检查维修，对生产造成较大的影响，严重影响工作进度。
发明内容
为克服现有技术的不足，本发明提供一种吹瓶机加热控制系统，不会影响生产，保证工作进度。
本发明解决其技术问题所采用的技术方案是：
一种吹瓶机加热控制系统，吹瓶机设有料胚输送路径，包括设置在料胚输送路径的出料口的温度传感器、上位机、可编程控制器和相并联连接的第一加热器组和第二加热器组，所述温度传感器、所述可编程控制器、所述第一加热器组和所述第二加热器组分别与所述上位机连接。
优选地，所述第一加热器组与所述第二加热器组通过三相交流电源供电，三相交流电的三相线为三角形接线，所述第一热器组及所述第二加热器组分别于三相线中不同的两相线连接并设置控制开关，所 述控制开关连接所述可编程控制器。
优选地，所述第一加热器组及所述第二热器组均包括数量相同的若干加热器，且每个所述加热器均连接一个继电器。
优选地，所述加热器为红外线加热管
优选地，包括驱动电路，所述驱动电路分别与所述可编程控制器、第一加热器组和第二加热器组连接。
优选地，所述温度传感器与所述驱动电路之间设有温控电路。
优选地，所述上位机与所述可编程控制器之间无线连接，采用的无线调制方式包括2.4G无线传输、蓝牙和WiFi。
优选地，所述可编程控制器为PLC或单片机。
优选地，所述温度传感器为多个，多个所述温度传感器对应料胚的不同位置设置。
优选地，包括报警模块，所述报警模块与所述可编程控制器连接。
本发明的有益效果是：通过并联设置第一加热器组和第二加热器组，使得第一加热器组和第二加热器组可单独工作，正常使用时只需使用其中一组加热器组进行加热即可，当该组加热器组出现故障时停止该组加热器组，启用另一组加热器组即可，待吹瓶机停止工作后再进行故障的排除与维修，不会影响生产，保证了工作进度。本发明使用效果好，易于推广使用。
附图说明
图1为本发明的吹瓶机加热控制系统的结构框图。
图2为本发明的吹瓶机加热控制系统的第一加热器组与第二加热器组的连接示意图。
具体实施方式
下面结合附图和实施例，对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明，但不用来限制本发明的范围。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前 提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅附图1-2，本实施例的一种吹瓶机加热控制系统，吹瓶机设有料胚输送路径，包括设置在料胚输送路径的出料口的温度传感器、上位机、可编程控制器和相并联连接的第一加热器组和第二加热器组，所述温度传感器、所述可编程控制器、所述第一加热器组和所述第二加热器组分别与所述上位机连接。
基于上述技术特征的吹瓶机加热控制系统，通过并联设置第一加热器组和第二加热器组，使得第一加热器组和第二加热器组可单独工作，正常使用时只需使用其中一组加热器组进行加热即可，当该组加热器组出现故障时停止该组加热器组，启用另一组加热器组即可，待吹瓶机停止工作后再进行故障的排除与维修，不会影响生产，保证了工作进度。本发明使用效果好，易于推广使用。
本实施例中，所述可编程控制器是控制系统的控制核心，完成所有的顺序、联锁、保护和工艺流程控制。可编程控制器接收所述上位机4的操作信号和设定值并进行计算，并将接收到的监测值实时传送到所述上位机进行显示。所述上位机与所述可编程控制器实时通讯，监测、记录和显示加热设备的运行状态和运行参数。在本实施例中，所述可编程控制器为PLC或单片机。所述上位机与所述可编程控制器之间无线连接，采用的无线调制方式包括2.4G无线传输、蓝牙和WiFi。采用多种调制方式，使用时可以根据实际采用，大大增加了实用范围。
本实施例中，所述第一加热器组与所述第二加热器组通过三相交流电源供电，三相交流电的三相线为三角形接线，所述第一热器组及所述第二加热器组分别于三相线中不同的两相线连接并设置控制开关，所述控制开关连接所述可编程控制器。
本实施例中，所述第一加热器组及所述第二热器组均包括数量相同的若干加热器，且每个所述加热器均连接一个继电器，从而可以实 现对每个所述继电器的单独控制，从而根据需要控制所述加热器的工作数量，实现对整个系统更好的进行加热管控。较佳地，所述加热器为红外线加热管。
本实施例中，包括驱动电路，所述驱动电路分别与所述可编程控制器、第一加热器组和第二加热器组连接，所述温度传感器与所述驱动电路之间设有温控电路。通过设置所述温控电路，当所述温度传感器的温度高于限定温度值时，控制所述驱动电路，使得无论所述可编程控制器的加热器输出端是什么状态，加热器均不通电，从而避免了由高温引起的安全隐患。
本实施例中，所述温度传感器为多个，多个所述温度传感器对应料胚的不同位置设置。从而可以测定的坯料不同位置的温度得知是否有加热器损坏。
本实施例中，所述吹瓶机加热控制系统还包括报警模块，所述报警器模块可以选用报警器或闪光灯，所述报警模块与所述可编程控制器连接，增加了系统的安全。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明技术原理的前提下，还可以做出若干改进和替换，这些改进和替换也应视为本发明的保护范围。

Claims (10)

  1. 一种吹瓶机加热控制系统，吹瓶机设有料胚输送路径，其特征在于：包括设置在料胚输送路径的出料口的温度传感器、上位机、可编程控制器和相并联连接的第一加热器组和第二加热器组，所述温度传感器、所述可编程控制器、所述第一加热器组和所述第二加热器组分别与所述上位机连接。
  2. 如权利要求1所述的吹瓶机加热控制系统，其特征在于：所述第一加热器组与所述第二加热器组通过三相交流电源供电，三相交流电的三相线为三角形接线，所述第一热器组及所述第二加热器组分别于三相线中不同的两相线连接并设置控制开关，所述控制开关连接所述可编程控制器。
  3. 如权利要求1所述的吹瓶机加热控制系统，其特征在于：所述第一加热器组及所述第二热器组均包括数量相同的若干加热器，且每个所述加热器均连接一个继电器。
  4. 如权利要求3所述的吹瓶机加热控制系统，其特征在于：所述加热器为红外线加热管。
  5. 如权利要求1所述的吹瓶机加热控制系统，其特征在于：包括驱动电路，所述驱动电路分别与所述可编程控制器、第一加热器组和第二加热器组连接。
  6. 如权利要求5所述的吹瓶机加热控制系统，其特征在于：所述温度传感器与所述驱动电路之间设有温控电路。
  7. 如权利要求1所述的吹瓶机加热控制系统，其特征在于：所述上位机与所述可编程控制器之间无线连接，采用的无线调制方式包括2.4G无线传输、蓝牙和WiFi。
  8. 如权利要求1所述的吹瓶机加热控制系统，其特征在于：所述可编程控制器为PLC或单片机。
  9. 如权利要求1所述的吹瓶机加热控制系统，其特征在于：所述 温度传感器为多个，多个所述温度传感器对应料胚的不同位置设置。
  10. 如权利要求1所述的吹瓶机加热控制系统，其特征在于：包括报警模块，所述报警模块与所述可编程控制器连接。
PCT/CN2019/116140 2019-10-31 2019-11-07 一种吹瓶机加热控制系统 WO2021082037A1 (zh)

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