WO2018090350A1 - Hydraulic press machine for fiberglass product - Google Patents

Hydraulic press machine for fiberglass product Download PDF

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Publication number
WO2018090350A1
WO2018090350A1 PCT/CN2016/106497 CN2016106497W WO2018090350A1 WO 2018090350 A1 WO2018090350 A1 WO 2018090350A1 CN 2016106497 W CN2016106497 W CN 2016106497W WO 2018090350 A1 WO2018090350 A1 WO 2018090350A1
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Prior art keywords
temperature
plc controller
mold
hydraulic press
hydraulic system
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PCT/CN2016/106497
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French (fr)
Chinese (zh)
Inventor
朱宝祥
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朱宝祥
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Publication date
Application filed by 朱宝祥 filed Critical 朱宝祥
Priority to PCT/CN2016/106497 priority Critical patent/WO2018090350A1/en
Publication of WO2018090350A1 publication Critical patent/WO2018090350A1/en

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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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/58—Measuring, controlling or regulating

Definitions

  • the invention relates to a press, in particular to a FRP product hydraulic press.
  • the FRP hydraulic press includes a work table and a slider that can slide up and down along the guide rail.
  • the workbench is equipped with a mold.
  • the mold is equipped with a heating rod for heating the mold.
  • the slider is controlled by the hydraulic system, and the hydraulic system is controlled by the PLC.
  • the RS232 interface of the PLC controller is connected to the touch screen communication.
  • the existing FRP hydraulic press uses a mercury thermometer to measure the temperature of the mold, and the pressure gauge installed in the hydraulic system is used to judge the pressure of the workpiece.
  • the operator observes the mercury thermometer through the naked eye.
  • the operator controls the hydraulic system control slider to pressurize the workpiece.
  • the reading of the pressure gauge reaches the predetermined value, stop adding. Press to maintain pressure.
  • the action of the hydraulic machine depends on the operator's observation of temperature and pressure.
  • the labor intensity of the operator is relatively large, and subjective factors are prone to occur, which affects the strict execution of the heating and pressing process, and increases the possibility of waste. Not conducive to the improvement of automation.
  • a FRP product hydraulic press of the present invention comprises a slider and a work table, on which a mold is mounted, and the mold is mounted with a heating rod for heating the mold, and the slider is subjected to Controlled by a hydraulic system, the hydraulic system is controlled by a PLC controller, the RS232 interface of the PLC controller is in communication with a touch screen, the heating rod is controlled by a temperature controller, and the temperature signal input end of the temperature controller Connected to a signal line of a temperature sensor, the temperature sensor is installed in the mold, a communication port of the temperature controller is connected to the PLC controller through a modbus communication cable; the hydraulic system is equipped with a pressure sensor, The signal line of the pressure sensor is connected to the pressure signal input end of the PLC controller.
  • the present invention achieves the following beneficial effects: the temperature required for the mold to be heated can be set on the temperature controller, the temperature sensor feeds back the actual temperature of the mold to the temperature controller, and the heating controller controls the heating of the heating rod.
  • the process can also set the temperature that the mold needs to be heated through the human-machine interface of the touch screen; when the mold reaches the predetermined temperature value, the PLC controller controls the hydraulic system to control the slider to pressurize the workpiece and the mold, and the actual pressure reached by the hydraulic system
  • the force value is fed back to the PLC controller through the pressure sensor, and the PLC controller determines whether to continue the pressurization or enter the holding pressure according to the pressure signal provided by the pressure sensor.
  • the operator only needs to set the corresponding temperature parameter, pressure parameter and time parameter on the touch screen, and the hydraulic machine can automatically produce the FRP product product until molding, which reduces the labor intensity of the operator and reduces the occurrence of waste.
  • the PLC controller is a Mitsubishi Q02H type PLC controller.
  • the temperature controller is an AI508 type temperature controller.
  • the pressure sensor is a Danfoss NS2240 type pressure sensor.
  • the temperature sensor is a PT100 type platinum thermal resistance.
  • FIG. 1 is a control schematic diagram of a hydraulic press for a FRP product of the present invention.
  • the FRP product hydraulic machine of the present invention comprises a slider and a workbench, and a mold is mounted on the workbench, and a heating rod for heating the mold is mounted on the mold, the slider is controlled by the hydraulic system, and the hydraulic system is controlled.
  • the PLC controller the RS232 interface of the PLC controller is connected with the touch screen communication, the heating rod is controlled by the temperature controller, the temperature signal input end of the temperature controller is connected with the signal line of the temperature sensor, and the temperature sensor is installed in the mold, the temperature
  • the communication port of the controller is connected to the PLC controller through the modbus communication cable; the hydraulic system is equipped with a pressure sensor, and the signal line of the pressure sensor is connected to the pressure signal input end of the PLC controller.
  • the PLC controller preferably uses the Mitsubishi Q02H PLC controller, the temperature controller preferably uses the AI508 temperature controller, the pressure sensor preferably uses the Danfoss NS2240 pressure sensor, and the temperature sensor can use the PT100 platinum thermal resistor.
  • the temperature of the mold needs to be heated on the temperature controller, the temperature sensor feeds back the actual temperature of the mold to the temperature controller, the temperature control device controls the heating process of the heating rod, and can also be set through the human interface of the touch screen.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

A hydraulic press machine for a fiberglass product, comprising a sliding block and a worktable. A die is mounted on the worktable. A heating rod for heating the die is mounted on the die. The sliding block is controlled by a hydraulic system. The hydraulic system is controlled by a PLC controller. An RS232 interface of the PLC controller is communicationally connected to a touch screen. The heating rod is controlled by a temperature control instrument. A temperature signal input end of the temperature control instrument is connected to a signal line of a temperature sensor. The temperature sensor is mounted in the die. A communication port of the temperature control instrument is connected to the PLC controller by means of a Modbus communication cable. A pressure sensor is mounted in the hydraulic system. The signal line of the pressure sensor accesses a pressure signal input end of the PLC controller. An operator only needs to set a corresponding temperature parameter, pressure parameter, and time parameter on a touch screen, and the hydraulic press machine can automatically produce fiberglass products until the products are formed, which reduces the labor intensity of operators and reduces waste.

Description

一种玻璃钢制品液压机Glass fiber reinforced plastic press 技术领域Technical field
本发明涉及一种压力机，特别涉及一种玻璃钢制品液压机。The invention relates to a press, in particular to a FRP product hydraulic press.
背景技术Background technique
玻璃钢制品液压机包括工作台和可沿导轨上下滑动的滑块，工作台上安装有模具，模具上安装有对模具进行加热的加热棒，滑块受控于液压***，液压***受控于PLC控制器，PLC控制器的RS232接口与触摸屏通讯连接。工件置于模具上后，滑块下行与模具共同作用将工件冲压成型，然后滑块上行，加工完毕的工件移出工作台，接下来新工件上料，滑块进行下一轮冲压。The FRP hydraulic press includes a work table and a slider that can slide up and down along the guide rail. The workbench is equipped with a mold. The mold is equipped with a heating rod for heating the mold. The slider is controlled by the hydraulic system, and the hydraulic system is controlled by the PLC. The RS232 interface of the PLC controller is connected to the touch screen communication. After the workpiece is placed on the mold, the slider and the mold work together to stamp the workpiece, and then the slider is lifted up, the processed workpiece is removed from the workbench, and then the new workpiece is loaded, and the slider is punched for the next round.
现有的玻璃钢制品液压机采用水银温度计测量模具的温度，采用液压***中安装的压力表判断工件承受的压力。工作中，操作人员通过肉眼观察水银温度计，当水银温度计的读数达到预定温度值时，操作人员操控液压***控制滑块对工件进行点动加压，待压力表的读数到达预定值时，停止加压进行保压。此过程中，液压机的动作依赖于操作工对温度及压力的观察，操作工的劳动强度比较大，又容易出现主观因素，影响加温及加压工艺的严格执行，增加了废品的可能，也不利于自动化程度的提高。The existing FRP hydraulic press uses a mercury thermometer to measure the temperature of the mold, and the pressure gauge installed in the hydraulic system is used to judge the pressure of the workpiece. During the work, the operator observes the mercury thermometer through the naked eye. When the reading of the mercury thermometer reaches the predetermined temperature value, the operator controls the hydraulic system control slider to pressurize the workpiece. When the reading of the pressure gauge reaches the predetermined value, stop adding. Press to maintain pressure. In this process, the action of the hydraulic machine depends on the operator's observation of temperature and pressure. The labor intensity of the operator is relatively large, and subjective factors are prone to occur, which affects the strict execution of the heating and pressing process, and increases the possibility of waste. Not conducive to the improvement of automation.
发明内容Summary of the invention
本发明的目的在于，克服现有技术中存在的问题，提供一种玻璃钢制品液压机，能够自动控制模具的温度及工件承受的压力。It is an object of the present invention to overcome the problems in the prior art and to provide a FRP product hydraulic press capable of automatically controlling the temperature of the mold and the pressure experienced by the workpiece.
为解决以上技术问题，本发明的一种玻璃钢制品液压机，包括滑块和工作台，所述工作台上安装有模具，所述模具上安装有对模具进行加热的加热棒，所述滑块受控于液压***，所述液压***受控于PLC控制器，所述PLC控制器的RS232接口与触摸屏通讯连接，所述加热棒受控于温度控制仪，所述温度控制仪的温度信号输入端与温度传感器的信号线相连接，所述温度传感器安装于所述模具中，所述温度控制仪的通讯端口通过modbus通讯电缆与所述PLC控制器相连接；所述液压***安装有压力传感器，所述压力传感器的信号线接入所述PLC控制器的压力信号输入端。In order to solve the above technical problem, a FRP product hydraulic press of the present invention comprises a slider and a work table, on which a mold is mounted, and the mold is mounted with a heating rod for heating the mold, and the slider is subjected to Controlled by a hydraulic system, the hydraulic system is controlled by a PLC controller, the RS232 interface of the PLC controller is in communication with a touch screen, the heating rod is controlled by a temperature controller, and the temperature signal input end of the temperature controller Connected to a signal line of a temperature sensor, the temperature sensor is installed in the mold, a communication port of the temperature controller is connected to the PLC controller through a modbus communication cable; the hydraulic system is equipped with a pressure sensor, The signal line of the pressure sensor is connected to the pressure signal input end of the PLC controller.
相对于现有技术，本发明取得了以下有益效果：可以在温度控制仪上设定模具需要加热的温度，温度传感器将模具的实际温度反馈给温度控制仪，由温度控制仪控制加热棒的加热过程，也可以通过触摸屏的人机界面设定模具需要加热的温度；当模具达到预定温度值时，PLC控制器控制液压***进而控制滑块对工件及模具进行加压，液压***达到的实际压 力值通过压力传感器反馈给PLC控制器，PLC控制器根据压力传感器提供的压力信号判断是否继续加压或进入保压。操作工只需要在触摸屏上设置相应的温度参数、压力参数和时间参数，液压机即可自动生产玻璃钢产品产品直至成型，降低了操作人员的劳动强度，减少废品的发生。Compared with the prior art, the present invention achieves the following beneficial effects: the temperature required for the mold to be heated can be set on the temperature controller, the temperature sensor feeds back the actual temperature of the mold to the temperature controller, and the heating controller controls the heating of the heating rod. The process can also set the temperature that the mold needs to be heated through the human-machine interface of the touch screen; when the mold reaches the predetermined temperature value, the PLC controller controls the hydraulic system to control the slider to pressurize the workpiece and the mold, and the actual pressure reached by the hydraulic system The force value is fed back to the PLC controller through the pressure sensor, and the PLC controller determines whether to continue the pressurization or enter the holding pressure according to the pressure signal provided by the pressure sensor. The operator only needs to set the corresponding temperature parameter, pressure parameter and time parameter on the touch screen, and the hydraulic machine can automatically produce the FRP product product until molding, which reduces the labor intensity of the operator and reduces the occurrence of waste.
作为本发明的优选方案，所述PLC控制器为三菱Q02H型PLC控制器。As a preferred embodiment of the present invention, the PLC controller is a Mitsubishi Q02H type PLC controller.
作为本发明的优选方案，所述温度控制仪为AI508型温控仪。As a preferred embodiment of the present invention, the temperature controller is an AI508 type temperature controller.
作为本发明的优选方案，所述压力传感器为丹弗斯NS2240型压力传感器。As a preferred embodiment of the present invention, the pressure sensor is a Danfoss NS2240 type pressure sensor.
作为本发明的优选方案，所述温度传感器为PT100型铂热电阻。As a preferred embodiment of the present invention, the temperature sensor is a PT100 type platinum thermal resistance.
附图说明DRAWINGS
下面结合附图和具体实施方式对本发明作进一步详细的说明，附图仅提供参考与说明用，非用以限制本发明。The present invention will be further described in detail with reference to the accompanying drawings and the accompanying drawings.
图1为本发明玻璃钢制品液压机的控制原理图。1 is a control schematic diagram of a hydraulic press for a FRP product of the present invention.
具体实施方式detailed description
如图1所示，本发明的玻璃钢制品液压机包括滑块和工作台，工作台上安装有模具，模具上安装有对模具进行加热的加热棒，滑块受控于液压***，液压***受控于PLC控制器，PLC控制器的RS232接口与触摸屏通讯连接，加热棒受控于温度控制仪，温度控制仪的温度信号输入端与温度传感器的信号线相连接，温度传感器安装于模具中，温度控制仪的通讯端口通过modbus通讯电缆与PLC控制器相连接；液压***安装有压力传感器，压力传感器的信号线接入PLC控制器的压力信号输入端。As shown in FIG. 1, the FRP product hydraulic machine of the present invention comprises a slider and a workbench, and a mold is mounted on the workbench, and a heating rod for heating the mold is mounted on the mold, the slider is controlled by the hydraulic system, and the hydraulic system is controlled. In the PLC controller, the RS232 interface of the PLC controller is connected with the touch screen communication, the heating rod is controlled by the temperature controller, the temperature signal input end of the temperature controller is connected with the signal line of the temperature sensor, and the temperature sensor is installed in the mold, the temperature The communication port of the controller is connected to the PLC controller through the modbus communication cable; the hydraulic system is equipped with a pressure sensor, and the signal line of the pressure sensor is connected to the pressure signal input end of the PLC controller.
PLC控制器优选采用三菱Q02H型PLC控制器，温度控制仪优选采用AI508型温控仪，压力传感器优选采用丹弗斯NS2240型压力传感器，温度传感器可以采用PT100型铂热电阻。The PLC controller preferably uses the Mitsubishi Q02H PLC controller, the temperature controller preferably uses the AI508 temperature controller, the pressure sensor preferably uses the Danfoss NS2240 pressure sensor, and the temperature sensor can use the PT100 platinum thermal resistor.
工作中，可以在温度控制仪上设定模具需要加热的温度，温度传感器将模具的实际温度反馈给温度控制仪，由温度控制仪控制加热棒的加热过程，也可以通过触摸屏的人机界面设定模具需要加热的温度；当模具达到预定温度值时，PLC控制器控制液压***进而控制滑块对工件及模具进行加压，液压***达到的实际压力值通过压力传感器反馈给PLC控制器，PLC控制器根据压力传感器提供的压力信号判断是否继续加压或进入保压。In the work, the temperature of the mold needs to be heated on the temperature controller, the temperature sensor feeds back the actual temperature of the mold to the temperature controller, the temperature control device controls the heating process of the heating rod, and can also be set through the human interface of the touch screen. The temperature at which the mold needs to be heated; when the mold reaches the predetermined temperature value, the PLC controller controls the hydraulic system to control the slider to pressurize the workpiece and the mold, and the actual pressure value reached by the hydraulic system is fed back to the PLC controller through the pressure sensor, PLC The controller determines whether to continue to pressurize or enter the holding pressure according to the pressure signal provided by the pressure sensor.
以上所述仅为本发明之较佳可行实施例而已，非因此局限本发明的专利保护范围。除上述实施例外，本发明还可以有其他实施方式。凡采用等同替换或等效变换形成的技术方案，均落在本发明要求的保护范围内。本发明未经描述的技术特征可以通过或采用现有技术 实现，在此不再赘述。 The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention. Other than the above-described embodiments, the present invention may have other embodiments. Any technical solution formed by equivalent replacement or equivalent transformation falls within the protection scope of the present invention. Technical features not described in the present invention may pass or adopt prior art Implementation, no longer repeat here.

Claims (5)

  1. 一种玻璃钢制品液压机，包括滑块和工作台，所述工作台上安装有模具，所述模具上安装有对模具进行加热的加热棒，所述滑块受控于液压***，所述液压***受控于PLC控制器，所述PLC控制器的RS232接口与触摸屏通讯连接，其特征在于：所述加热棒受控于温度控制仪，所述温度控制仪的温度信号输入端与温度传感器的信号线相连接，所述温度传感器安装于所述模具中，所述温度控制仪的通讯端口通过modbus通讯电缆与所述PLC控制器相连接；所述液压***安装有压力传感器，所述压力传感器的信号线接入所述PLC控制器的压力信号输入端。A FRP product hydraulic press comprising a slider and a work table on which a mold is mounted, the mold being mounted with a heating rod for heating the mold, the slider being controlled by a hydraulic system, the hydraulic system Controlled by a PLC controller, the RS232 interface of the PLC controller is connected to the touch screen communication, wherein the heating rod is controlled by a temperature controller, and the temperature signal input end of the temperature controller and the temperature sensor signal a line sensor, the temperature sensor is installed in the mold, a communication port of the temperature controller is connected to the PLC controller through a modbus communication cable; the hydraulic system is mounted with a pressure sensor, and the pressure sensor is The signal line is connected to the pressure signal input terminal of the PLC controller.
  2. 根据权利要求1所述的玻璃钢制品液压机，其特征在于：所述PLC控制器为三菱Q02H型PLC控制器。The FRP product hydraulic press according to claim 1, wherein the PLC controller is a Mitsubishi Q02H type PLC controller.
  3. 根据权利要求1所述的玻璃钢制品液压机，其特征在于：所述温度控制仪为AI508型温控仪。The FRP product hydraulic press according to claim 1, wherein the temperature controller is an AI508 type temperature controller.
  4. 根据权利要求1所述的玻璃钢制品液压机，其特征在于：所述压力传感器为丹弗斯NS2240型压力传感器。The FRP product hydraulic press according to claim 1, wherein the pressure sensor is a Danfoss NS2240 type pressure sensor.
  5. 根据权利要求1所述的玻璃钢制品液压机，其特征在于：所述温度传感器为PT100型铂热电阻。 The FRP product hydraulic press according to claim 1, wherein the temperature sensor is a PT100 type platinum thermal resistor.
PCT/CN2016/106497 2016-11-20 2016-11-20 Hydraulic press machine for fiberglass product WO2018090350A1 (en)

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Application Number Priority Date Filing Date Title
PCT/CN2016/106497 WO2018090350A1 (en) 2016-11-20 2016-11-20 Hydraulic press machine for fiberglass product

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PCT/CN2016/106497 WO2018090350A1 (en) 2016-11-20 2016-11-20 Hydraulic press machine for fiberglass product

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040189495A1 (en) * 2003-03-27 2004-09-30 Hung-Chih Wu Extension unit for PLC system and I/O controller thereof
CN101767394A (en) * 2010-01-14 2010-07-07 浙江雷博司电器有限公司 Automatic control system of epoxy resin gel forming machine
CN203611417U (en) * 2013-11-04 2014-05-28 江苏国力锻压机床有限公司 Hydraulic machine for glass reinforced plastic product
CN204263605U (en) * 2014-11-19 2015-04-15 天水锻压机床(集团)有限公司 A kind of four-column hydraulic press control system utilizing Omron PLC
CN204340241U (en) * 2014-12-09 2015-05-20 昆山力比格液压设备有限公司 A kind of desktop C type hydraulic press
CN205508252U (en) * 2016-02-02 2016-08-24 程婧璠 Automatic change teaching experiment system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040189495A1 (en) * 2003-03-27 2004-09-30 Hung-Chih Wu Extension unit for PLC system and I/O controller thereof
CN101767394A (en) * 2010-01-14 2010-07-07 浙江雷博司电器有限公司 Automatic control system of epoxy resin gel forming machine
CN203611417U (en) * 2013-11-04 2014-05-28 江苏国力锻压机床有限公司 Hydraulic machine for glass reinforced plastic product
CN204263605U (en) * 2014-11-19 2015-04-15 天水锻压机床(集团)有限公司 A kind of four-column hydraulic press control system utilizing Omron PLC
CN204340241U (en) * 2014-12-09 2015-05-20 昆山力比格液压设备有限公司 A kind of desktop C type hydraulic press
CN205508252U (en) * 2016-02-02 2016-08-24 程婧璠 Automatic change teaching experiment system

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