KR100785633B1 - Electric injection molding device - Google Patents

Abstract

An electric injection molding device is provided to reduce the size of the device without a physical connecting device of low and high-order boards when expanding the low and high-order boards. An electric injection molding device comprises a main board(200), and at least one device board. The main board stores device inherent information inputted to a communication part(206) in a storing part(202) for management, and outputs an electric injection molding control signal having the device inherent information through the communication part. The device board is directly connected with the communication part of the main board, and indirectly connected with the communication part of the main board. The device inherent information is outputted to the main board or the high-order board for device initialization when the device board is physically connected with the main board or the high-order board. The device inherent information is outputted to the main board or the high-order board when the device inherent information is inputted. The device inherent information is checked and the electric injection molding control signal is stored in the storing unit when the electric injection molding control signal is inputted from the main board or the high-order board to progress the corresponding injection molding control process or to output the electric injection molding control signal to the low-order board.

Description

Electric Injection Molding Device

1 is a block diagram schematically showing an electric injection molding control apparatus according to the prior art.

Figure 2 is a block diagram schematically showing a motorized injection molding apparatus according to the present invention.

*** Explanation of symbols for the main parts of the drawing ***

200: motherboard 202: storage unit

204: external input interface unit 206: communication unit

208: control unit 210: injection motor driver

210a: first communication means 210b: first control means

210c: first storage means 211: injection motor

211a: load cell (pressure sensor) 212: clamping motor driver

212a: second communication means 212b: second control means

212c: second storage means 213: body motor

214: Weighing motor driver 214a: third communication means

214b: third control means 214c: third storage means

215: Weighing Motor 216: Blowout Motor Driver

216a: fourth communication means 216b: fourth control means

216c: fourth storage means 217: take-out motor

218: digital input / output module 218a: fifth communication means

218b: fifth control means 218c: fifth storage means

219: relay output 220: digital sensor

222: temperature module 222a: sixth communication means

222b: sixth control means 222c: sixth storage means

223 heater 224 temperature sensor

226: counter module 226a: seventh communication means

226b: seventh control means 226c: seventh storage means

227: post-conditioning encoder 228: nozzle encoder

The present invention relates to an electric injection molding apparatus, by indirectly connecting a lower board to a communication unit of a main board through another board of the upper board which is directly connected to the communication unit of the main board in a serial communication method or sequentially connected in a serial communication method. The present invention relates to an electric injection molding apparatus and a control method thereof, which can easily expand an input / output interface without having to make a physical connection device of an upper board or a lower board when an upper board or a lower board is expanded.

1 is a block diagram schematically showing the electric injection molding control apparatus according to the prior art.

Referring to FIG. 1, an electric injection molding control apparatus (main board) 100 includes a motion module 104, a storage module 102, a temperature module 106, a digital input / output module 108, and an analog input / output module 110. , Expansion slot 112, counter module 109, and control module 114.

In detail, at least one motor driver 104a, 104b, 104c, 104d is connected to the motion module 104, and each motor driver 104a receives a control signal through the system bus 101. The control signal is transmitted to 104b, 104c and 104d. Here, each motor driver 104a, 104b, 104c, 104d has a motor (first motor, second motor, third motor, fourth motor) according to a control signal transmitted through the motion module 104. Control the controller and store or output the result of performing the operation according to the control signal. The storage module 102 stores a drive program of the electric injection molding control device (main board) 100, and displays the results of the operation of each module 104, 106, 108, 109, 110. 101) received and stored. The temperature module 106 receives the control signal through the system bus 101, activates the temperature sensor 106a to sense the temperature of the device, and controls the heater 106b according to the sensed temperature. The digital input / output module 108 receives a control signal through the system bus 108 to activate the digital sensor 108a (for example, an optical sensor), and according to the sensing result of the digital sensor 108a, a relay signal ( 108b) (ON / OFF) is output. The analog input module 110 outputs the weight information according to the weight change amount from the load cell 110a of the weighing device to the system bus 101. The counter module 109 has a post-shape forward speed position from the post-adjustment encoder 109a or the nozzle encoder 109b of the post-adjustment motor (not shown) or the nozzle motor (not shown) connected to the digital input / output module 108. After reading the value and the position value of the counter by the rotary encoder, and outputting the control signal related to the speed and pressure of the injection fixing according to each forward speed section whenever it is the discriminated position of the mold angle forward speed, the new counter position value is repeated repeatedly. Read Expansion slot 112 may be installed a module of a different function. The control module 114 transmits the control signals of the modules 102, 104, 106, 108, 109 and 110 through the system bus 101 according to the electric injection molding condition input from the outside. Requests the result of performing the operation according to the control signal is received and stored in the storage module 102, and also displays the text or graphics through the display module so that the user can recognize the result of performing the operation of each module.

Thus, the conventional electric injection molding control device has a slot that can be used to connect a variety of functions in the bus system is set in advance in the bus system, if you want to add a variety of modules in accordance with the increase in the size of the electric injection molding machine is accessible because the slot is limited In addition, it causes cost increase to expand the electric injection molding control device in order to use various modules according to the enlargement of the electric injection machine, and also programmatically controls memory sharing and program flow control according to the multi control module. A problem occurs.

The present invention has been proposed in order to solve the problems of the prior art as described above, the purpose of which is directly connected to the communication unit of the main board in a serial communication method, or other boards of the upper (sequential board) that is sequentially connected in a serial communication method By indirectly connecting the lower board to the communication board of the main board, it is not necessary to make the physical connection device of the upper board or the lower board when expanding the upper board or lower board, and to easily expand the I / O interface. It is to provide an electric injection molding apparatus.

Features of the present invention for achieving the above object, the device specific information input to the communication unit for device initialization is stored and stored in the storage unit, and the electric injection molding conditions for the specific device control is input through the external input interface A main board for outputting, through the communication unit, an electric injection molding control signal in which device specific information on a specific device to be controlled is inserted; Directly connected to the communication unit of the main board in a serial communication manner, or indirectly connected to the communication unit of the main board through an upper board sequentially connected in a serial communication manner, and physically connected to the main board or the upper board. In case of device initialization, the device unique information is outputted to the main board or the upper board connected to itself, and the device unique information for initialization is input from the lower board. Or outputs to the upper board and checks the device specific information inserted in the electric injection molding control signal inputted when the electric injection molding control signal is input from the main board or the upper board. Save to storage And at least one device board for performing a corresponding electro-injection molding control process or outputting the electro-injection molding control signal to the lower board.

And the serial communication method, characterized in that connected to the CAN or LAN method.

In addition, the storage unit may further store the electric injection molding conditions for controlling a specific device input through the external input interface.

The main board may further store the storage unit by requesting a result of performing an operation according to the electric injection molding control signal to the upper board or the lower board connected directly or indirectly according to a serial communication method. .

The upper board may be an injection motor driver, a clamp motor driver, a metering motor driver, a blowout motor driver, a digital input / output module, a temperature module, a counter module, and the like.

The lower board may include at least one injection motor driver, a shaped motor driver, a metering motor driver, a blowout motor driver, a digital input / output module, a temperature module, a counter module, and the like.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the injection molding apparatus of the present invention.

Figure 2 is a block diagram schematically showing a motorized injection molding apparatus according to the present invention.

As shown in FIG. 2, the electric injection molding apparatus includes an electric injection molding main board 200, an injection motor driver 210, a body motor driver 212, a metering motor driver 214, a blowout motor driver 216, and a digital motor. The input / output module 218, the temperature module 222, and the counter module 226 are configured.

In detail, the motor injection molding main board 200 includes an external input interface circuit unit 204, a storage unit 202, a communication unit 206, and a control unit 208, and the external input interface unit 204 includes an input unit. It is for receiving the electric injection molding conditions (for example, injection pressure, injection speed, injection speed switching position, section speed, section speed switching position, etc.) input through (not shown). The storage unit 202 stores the information of each device installed in order to correspond to the address of the motorized injection molding main board 200, and stores the electric injection molding conditions input through the external input interface unit 204, and electric injection The operation result of each device according to the molding condition is stored. The communication unit 206 is directly connected to the upper device (for example, injection motor) 210, and the lower devices 212, 214, 216, 218, 222 and 226 sequentially connected to the upper device. Indirectly connected to send and receive data. The control unit 208 stores the electric injection molding condition input through the external input interface unit 204 in the storage unit 202 and the upper device 210 connected to the control signal according to the serial communication method through the communication unit 206. ) And lower devices 212, 214, 216, 218, 222, and 226 which are sequentially connected to the lower part of the device, and perform operation of each device according to the electric injection molding condition. Requesting the result, and receiving the result of the operation through the upper device and / or lower device communication means 210a, 212a, 214a, 216a, 218a, 222a, and 226a. Store in

In addition, the controller 208 may display the results of performing the operation of each device in text or / and so as to recognize the result of performing the operation of each of the devices 210, 212, 214, 216, 218, 222, and 226. Display graphically.

The injection motor driver 210 includes a first communication means 210a, a first storage means 210c, and a first control means 210b, and the first communication means 210a is a communication unit of the main board 200. 2206) is directly connected to transmit and receive data, and the indirect connection to the communication unit 206 of the main board 200 in a serial communication method by directly connecting the shape motor driver 210 to the lower, and the lower part sequentially connected to the lower part Send and receive data between devices 212, 214, 216, 218, 222, 226. The first storage means 210c stores the electric injection molding control signal received from the main board 200 through the first communication means 210a, and accordingly, the injection motor 211 and the load cell (or pressure sensor) 211a. Saves the result of performing the operation. The first control means (210b) is the lower deviced 212 (214) (216) (218) (222) (226) through the communication unit 206 and the first communication means (210a) of the main board 200 Detects the electric injection molding control signal including its own information from the electric injection molding control signal (for example, injection pressure, injection speed and speed switching position, etc.) outputted to the first injection means 210c, and stores it in the first storage means 210c. Accordingly, the injection motor 211 or the load cell (or pressure sensor) 211a is controlled, and the result of performing the operation is stored in the first storage means 210c, and the electric injection molding control from the main board 200 is performed. Operation Performance Result According to the Signal The operation performance result of the injection motor 211 or the load cell (or pressure sensor) 211a is transmitted to the main board 200 through the first communication means 210a.

Therefore, the injection motor driver 210 operates according to the electric injection molding control signal, and receives an analog input signal from the load cell (or pressure sensor) 211a to perform pressure control during injection, based on the speed and Perform the operation by the pressure control algorithm. The injection motor 211 operates the injection position, the measured injection speed, the measured injection pressure, etc. according to the control signal of the injection motor driver 210, and the load cell (or pressure sensor) 211a performs the pressure during injection according to the control signal. Sensing and transmitting to the injection motor driver (210).

The body motor driver 212 includes a second communication means 212a, a second storage means 212c, and a second control means 212b, and the second communication means 212a is formed of the injection motor driver 210. 1 is directly connected to the communication means (210a), and the serial communication method to send and receive data to and from the main board 200 through the first communication means (210a), the serial motor method by directly connecting the weighing motor driver 214 to the lower Indirectly connected to the communication unit 206 of the motherboard 200, and transmits and receives data between the lower devices (214, 216, 218, 222, 226). The second storage means 212c receives and stores the electric injection molding control signal of the main board 200 output through the first communication means 210a of the injection motor driver 210 through the second communication means 212a. Then, the result of performing the operation of the mold motor 213 is stored. The second control means 212b controls the electric injection molding with its own information in the electric injection molding control signal output through the first communication means 210a and the second communication means 212a of the injection motor driver 210. The signal is detected and stored in the second storage means 212c, the shape motor 213 is controlled accordingly, and the result of the operation is stored in the second storage means 212c, and the main board 200 According to the operation performance result request, the operation performance result is transmitted to the main board 200 connected indirectly through the first communication means 210a. The mold motor 213 operates according to the control signal of the mold motor driver 212.

The metering motor driver 214 is composed of a third communication means 214a, a third control means 214c, and a third storage means 214b, and the third communication means 214a is formed of the body motor driver 212. Directly connected to the two communication means (212a), and indirectly connected to the main board 200 through the second communication means (212a) to transmit and receive data, direct connection of the take-out motor driver 216 to the lower portion in the serial communication method And transmit and receive data between the lower devices 216, 218, 220, and 222. The third storage means 214c receives and stores the electric injection molding control signal of the main board 200 through the upper drivers 210 and 212, and stores the result of performing the operation. The third control means 214b includes its own information in the motorized injection molding control signal of the main board 200 output through the communication means 210a, 212a and the third communication means 214a of the upper driver. Detects and stores the electric injection molding control signal in the third storage means 214b, controls the weighing motor 215 accordingly, and stores the result of the operation in the third storage means 214c. In response to a request for an operation result from the main board 200, the operation performance result of the weighing motor 215 is transmitted to the main board 200 through the third communication means 214a and the upper communication means 212a and 210a. .

The take-out motor driver 216 is composed of a fourth communication means 216a, a fourth storage means 216c, and a fourth control means 216b, and the fourth communication means 216a is an upper weighing motor driver 214. Directly connected to the first communication means 216a of the, and indirectly connected to the motherboard 200 through the upper communication means (214a) (212a) (210a) in a serial communication method, the lower device 218 (220) Send and receive data between the (222). The fourth storage means (216c) stores the electric injection molding control signal of the main board 200 through the upper communication means (210a) (212a) (214a) and the fourth communication means (216a), according to the take-out motor The result of performing operation 217 is stored. The fourth control means 216b has its own information in the electric injection molding control signal of the main board 200 outputted through the upper communication means 210a, 212a, 214a and the fourth communication means 216a. Detect and store the electric injection molding control signal in the fourth storage means 216c, control the take-out motor 217 accordingly, and store the result of the operation in the fourth storage means 216c. In response to a request for an operation result from the main board 200, the operation performance result is transmitted to the main board 200 through the fourth communication means 216a and the upper communication means 214a, 212a, 210a.

When the digital input / output module 218 is composed of the fifth communication means 218a, the fifth storage means 218c, and the fifth control means 218b, the fifth communication means 218a is the first of the take-out motor driver 216. 4 is directly connected to the communication means (216a), indirectly connected to the main board 200 through the upper communication means (210a) (212a) (214a) (216a) connected in a serial communication method to transmit and receive data, The temperature module 222 is directly connected to transmit and receive data between the lower devices 222 and 226. The fifth storage means 218c stores the motorized injection molding control signal of the main board through the upper communication means 210a, 212a, 214a, 216a and the fifth communication means 218a, and thus relay output. (ON / OFF) and the operation performance result of the digital sensor 220 are stored. The fifth control means 218b is inherent in the motorized injection molding control signal of the main board 200 output through the upper communication means 210a (212a) 214a and 216a and the fifth communication means 218a. The electric injection molding control signal having the information is detected and stored in the fifth storage means 218c, thereby activating the digital sensor 220 and outputting the relay signal 219, and outputting the result of the operation to the fifth storage means ( 218c, and, in response to a request for an operation result from the main board 200, the operation performance result through the fifth communication means 216a and the upper communication means 216a, 214a, 212a, and 210a. Transfer to the main board 200.

The digital sensor (for example, the optical sensor) 220 is activated according to the control signal of the digital input / output module to transmit the result of performing the operation according to the digital sensing to the digital input / output module 218. The relay output 219 outputs a relay (ON / OFF) signal according to the control signal of the digital input / output module 218. The temperature module 222 includes a sixth communication means 222a, a sixth storage means 222c, and a sixth control means 222b, and the sixth communication means 222a is a fifth part of the digital input / output module 218. Directly connected to the communication means 218c, indirectly connected to the main board 200 through the upper communication means 210a (212a) 214a (216a) 218a connected in a serial communication method to transmit and receive data. The counter module is directly connected to the lower part to transmit and receive data between the lower device 226. The sixth storage means 222c includes upper communication means 210a, 212a, 214a, 216a and 218a. The electric injection molding control signal of the main board 200 is stored through the fifth communication means 218a, and the operation result of the temperature sensor 224 and the heater 223 according to the control signal is stored. The means 222b is a motorized injection molding control system of the main board 200 output through the upper communication means 210a, 212a, 214a, 216a, 218a and the sixth communication means 222a. Detect and store the electric injection molding control signal having its own information in the sixth storage means (222c), activate the heater and the temperature sensor accordingly, and store the result of the operation in the sixth storage means (222c). According to the operation performance result request from the main board 200, the operation performance result is transmitted through the sixth communication means 222a and the upper communication means 218a, 216a, 214a, 212a, and 210a. The temperature sensor 224 is activated according to the control signal of the temperature module 222 or senses the temperature of the device in real time and transmits the temperature to the temperature module 222, and the heater 223 is the temperature module 222. Operation is performed according to the control signal of.

When the counter module 226 includes seventh communication means 226a, seventh storage means 226c, and seventh control means 226b, the seventh communication means 226a communicates with the sixth communication of the temperature module 222. Directly connected to the means 222c, indirectly connected to the main board 200 through the upper communication means 210a, 212a, 214a, 216a, 218a, 222a, which are connected in a serial communication manner. It can transmit / receive and send / receive data by connecting modules of other functions in the serial connection communication method. The seventh storage means 226c controls the electric injection molding of the main board 200 through the upper communication means 210a, 212a, 214a, 216a, 218a, 222a and the seventh communication means 226a. The signal is stored, and the result of performing the post-adjustment encoder 227 and the nozzle encoder 228 is stored accordingly. The seventh control means 226b is itself in the electric injection molding control signal of the main board 200 which is output through the upper communication means 210a, 212a, 214a, 216a, 218a, 222a, 226a. Stores the electric injection molding control signal having the unique information in the seventh storing means, controls the post-adjustment encoder 227 and the nozzle encoder 228 according to the seventh storing means (226c). ) And the operation performance result according to the operation performance result request from the main board 200, and the operation performance results of the seventh communication means 226a and the upper communication means 222a, 218a, 216a, 214a, 212a and 210a. Transfer to the main board 200 through). The future adjustment encoder 227 and the nozzle encoder 228 are activated according to the control signal of the counter module 226 and connected to the future control motor (not shown) and the nozzle motor (not shown) connected to the digital input / output module 218. Receives the operation performance value of the operation performance result, calculates the distance moved from the reference point of the toggle, and inputs the result to the counter module.

In addition, the counter module 226 has a mold angle forward speed from the post-adjustment encoder 227 or the nozzle encoder 228 of the post-adjustment motor (not shown) or the nozzle motor (not shown) connected to the digital input / output module 218. Read the position value and the position value of the counter by rotary encoder, output the control signal related to the speed and pressure of injection fixing according to each forward speed section whenever it is the discriminated position of the clamp angle forward speed, and then repeat the position value of the new counter. Read by

Referring to the operation of the injection molding apparatus according to the present invention, the first user The first communication means 210a of the injection motor driver 210 is connected to the communication unit 206 of the main board 200 by direct connection, and the serial communication method is connected to the first communication means 210a of the injection motor driver 210. Subsequently, the communication means 212a, 214a, 216a, 218a, 222a, and 226a of the device are sequentially connected.

Here, the communication unit 206 and the first communication means 210a to the seventh communication means 226a of the main board 200 are connected to each other by a control area network (CAN) or a local area network (LAN) in a serial communication method. .

In addition, the order of devices connected to the communication unit 206 of the main board 200 in the serial communication room may vary depending on the user.

The controller 208 is serially connected to the upper injection motor driver 210 or the upper injection motor driver 210 directly connected to the communication unit 206 of the main board 200 in the serial communication method, and thus the main board 200. ) And indirectly connected to the upper and lower communication means (210a) (212a) (214a) from the lower device (212) (214) (216) (218) (222) (226) to transmit and receive data. 216a, 218a, 222a, and 226a are received and stored and managed in the storage unit 202 to correspond to each address.

The external input interface unit 204 receives the electric injection molding condition from the user and transmits the electric injection molding condition to the control unit 208. The control unit 208 stores the electric injection molding condition in the storage unit 202 and through the communication unit 206. The electric injection molding control signal is outputted, and the result of performing the operation of each of the divias 210, 212, 214, 216, 218, 222, and 226 according to the control signal is requested.

Here, the electric injection molding control signal has the unique information for each device (210) (212) (214) (216) (218) (222) (226), and the communication unit (206) of the main board (200). It is sequentially connected in a serial communication manner to output data directly or indirectly to the devices 210, 212, 214, 216, 218, 222, 226.

The first control means 210b of the injection motor driver 210 includes an electric injection molding control signal including its own information in the electric injection molding control signal output from the main board 200 and the first communication means 210a. For example, the injection pressure, the injection speed, the speed change position, etc.) are detected and stored in the first storage means, and the injection motor 211 or the load cell (or pressure sensor) 211a is activated in accordance with the control signal.

The injection motor 211 operates and operates the injection position, the measurement injection speed, the measurement injection pressure, etc. of the injection motor driver 210 according to the control signal, and the load cell (or pressure sensor) 211a is in injection according to the control signal. The pressure is sensed and transmitted to the injection motor driver 210.

The first control means 211b of the injection motor driver 210 receives the result of performing the operation of the injection motor 211 and the load cell (or pressure sensor) 211a and stores the result in the first storage means 210c. In response to a request for a result of operating the board, the board is transmitted to the main board 200 through the first communication means 210a.

The controller 208 of the main board 200 receives the result of the operation of the injection motor driver 210 through the communication unit 206 and stores the result in the storage unit 202 and displays the text or graphic so that the user can recognize it. do.

In addition, the second control means 212b of the mold motor driver 212 has its own information in the electric injection molding control signal output through the main board 200, the upper device 210, and the second communication means 212a. Detects the electric injection molding control signal and stores it in the second storage means 212c, and controls the mold motor 213 according to the control signal.

The mold motor 213 performs an operation according to the control signal of the mold motor driver 212, and transmits the result of the operation to the mold motor driver 212.

Then, the second control means 212b of the mold motor driver 212 stores the result of the mold motor operation in the second storage means 212c, and also performs a second communication in response to a request for operation result of the main board 200. It transmits to the main board 200 through the means 212a and the upper communication means 210a.

The control unit 208 of the main board 200 stores the result of performing the operation of the shape motor driver 212 in the storage unit 202 through the communication unit 206 and displays the text or graphic so that the user can recognize it.

The third control means 214b of the metering motor driver 214 has its own in the electric injection molding control signal of the main board 200 outputted through the upper communication means 210a, 212a and the third communication means 214a. The electric injection molding control signal having the unique information is detected and stored in the third storage means 214c, and the weighing motor 215 is controlled in accordance with the control signal.

The weighing motor 215 operates according to the control signal of the weighing motor driver 214, and transmits the result of the operation to the weighing motor driver 214.

Then, the third control means 214b of the metering motor driver 214 stores the result of the operation of the metering motor 215 in the third storage means 214c, and according to the request for the result of the operation of the main board 200. The third communication means 214a and the upper communication means 210a and 212a are transmitted to the main board 200.

The control unit 208 of the main board 200 receives the result of performing the operation of the weighing motor driver 214 through the communication unit 206 and stores the result in the storage unit 202, so that the user can recognize the result of the text or text. Display graphically.

Further, the fourth control means 216b of the extraction driver 216 controls the electric injection molding of the main board 200 output through the upper communication means 210a, 212a, 214a and the fourth communication means 216a. The electric injection molding control signal having its own information is detected from the signal and stored in the fourth storage means 216c, thereby controlling the take-out motor 217.

The takeout motor 217 performs an operation according to the control signal of the takeout motor driver 216, and transmits the result of the operation to the takeout motor driver 216. FIG.

The fourth control means 216b of the take-out motor driver 216 stores the operation performance result of the take-out motor 217 in the fourth storage means 216c, and according to the request for the operation performance result from the main board 200, the fourth control means 216b. The communication means and the upper communication means 210a, 212a, 214a are transmitted to the main board 200.

The control unit 208 of the main board 200 receives the result of performing the operation of the take-out motor driver 216 through the communication unit 206 and stores the result in the storage unit 202, so that the user can recognize the result of the text or text. Display graphically.

The fifth control means 218b of the digital input / output module 218 is an electric injection of the main board 200 output through the upper communication means 210a, 212a, 214a, 216a and the fifth communication means 218a. Detects the electric injection molding control signal having its own information from the molding control signal and stores it in the fifth storage means 218c, and stores the digital sensor 220 (for example, an optical sensor) or a relay signal (ON / OFF). Output (219).

The digital sensor 220 is activated according to a control signal and senses an injection object and transmits it to the digital input / output module 218 in real time, outputs a relay signal (ON / OFF) signal according to the sensing, and outputs the result of the operation. Transfer to digital input / output module.

The fifth control means 218b of the digital input / output module 218 transmits the results of the operation of the digital sensor 220 and the relay output (ON / OFF) 219 to the fifth communication means 218a and the upper communication means 210a. It transmits to the main board 200 through (212a) (214a) (216a).

The control unit 208 of the main board 200 receives the result of performing the operation of the digital input / output module 218 through the communication unit 206 and stores the result in the storage unit 202, so that the user can recognize the result of the text or text. Display graphically.

The sixth control means 222b of the temperature module 222 is the main board 200 outputted through the upper communication means 210a, 212a, 214a, 216a, 218a and the sixth communication means 222a. The electric injection molding control signal having its own information is detected from the electric injection molding control signal and stored in the sixth storage means 222c, and the temperature sensor 224 and the heater 223 are controlled according to the control signal.

The temperature sensor 224 senses the temperature of the device in real time according to the control signal of the temperature module 222, and transmits the result to the temperature module 222, the heater 223 to the control signal of the temperature module 222 Accordingly the temperature of the device is changed and the result is sent to the temperature module 222.

The sixth control means 222b of the temperature module 222 stores the operation performance results of the temperature sensor 224 and the heater 223 in the sixth storage means 222c and requests the operation performance results of the main board 200. According to the sixth communication means (222a) and the upper communication means (210a) (212a) (214a) 216a (218a) through the transmission to the main board 200.

The control unit 208 of the main board 200 receives the result of performing the operation of the temperature module 222 through the communication unit 206 and stores the result in the storage unit 202, and the text or graphic so that the user can recognize the result. Display.

The seventh control means 222b of the counter module 226 is a main board output through the upper communication terminals 210a, 212a, 214a, 216a, 218a, 222a and the seventh communication means 226a. Detecting the electric injection molding control signal having its own information from the electric injection control signal of (200), and stores it in the seventh storage means (226c), and also according to the control signal post-form adjustment encoder 227 and nozzle encoder The distance traveled from the reference point of the toggle from 228 is calculated and the result is stored in the seventh storage means 226c.

The post-adjustment encoder 227 and the nozzle encoder 228 are connected to the digital input / output module 218 and moved from a reference point from the post-conditioning motor (not shown) and the nozzle motor (not shown) operating according to a control signal. Calculate and receive the result.

The seventh control means 226b of the counter module performs the seventh communication means 226a and the higher communication means 210a, 212a, 214a, 216a and 218a in response to a request for the result of the operation of the main board 200. It transmits to the motherboard 200 through 222a.

 The control unit 208 of the main board 200 receives the result of performing the operation of the counter module 226 through the communication unit 206 and stores the result in the storage unit 202, and the text or graphic so that the user can recognize the result. Display.

As described above, the present invention has been described by means of a limited embodiment and drawings, but the present invention is not limited to the above embodiments, and those skilled in the art to which the present invention pertains, various modifications and Modifications are possible.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the claims below but also by those equivalent to the claims.

As described above, the electric injection molding apparatus according to the present invention is connected directly to the communication unit of the main board in a serial communication method, or a lower board to the communication unit of the main board through the other boards of the upper serially connected in a serial communication method By indirect connection, when the upper board or lower board is expanded, there is no need to make a physical connection device of the upper board or the lower board, and the I / O interface can be easily extended.

In addition, another effect is that it is not necessary to make a physical connection device of the upper board or lower board to the main board when the upper board or lower board is expanded, it is possible to miniaturize the electric injection molding apparatus.

Claims (6)

Device specific information input to the communication unit for device initialization is stored and managed in the storage unit, and when the electric injection molding condition for controlling a specific device is input through an external input interface, device specific information for a specific device to be controlled is displayed. A main board for outputting an inserted injection molding control signal through the communication unit; Directly connected to the communication unit of the main board in a serial communication manner, or indirectly connected to the communication unit of the main board through an upper board sequentially connected in a serial communication manner, and physically connected to the main board or the upper board. In case of device initialization, the device unique information is outputted to the main board or the upper board connected to itself, and the device unique information for initialization is input from the lower board. Or outputs to the upper board and checks the device specific information inserted in the electric injection molding control signal inputted when the electric injection molding control signal is input from the main board or the upper board. Save to storage And at least one device board for performing a corresponding electro-injection molding control process or outputting the electro-injection molding control signal to the lower board. The method of claim 1, The serial communication method, Electric injection molding apparatus characterized in that connected to the CAN method or LAN method. The method of claim 1, The storage unit, And a motor injection molding condition for storing a specific device controlled through the external input interface. The method of claim 1, The main board, Electric injection molding apparatus characterized in that the request to perform the operation performed according to the electric injection molding control signal to the upper board or the lower board that is directly or indirectly connected in accordance with the serial communication method to store in the storage unit in addition. . The method of claim 1, The upper board, An electric injection molding apparatus, characterized in that at least one of an injection motor driver, a shaped motor driver, a weighing motor driver, a blowout motor driver, a digital input / output module, a temperature module, and a counter module. The method of claim 1, The lower board, An electric injection molding apparatus, characterized in that at least one of an injection motor driver, a shaped motor driver, a weighing motor driver, a blowout motor driver, a digital input / output module, a temperature module, and a counter module.

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