Wire harness plug-in molding machine controller and injection molding machine
By designing a wire harness plug-in plastic machine controller in the injection molding machine, using unit interfaces to integrate multiple signal circuits and combining communication, DC/DC and filtering circuits, the problem of time-consuming and high error rate of manual wiring is solved, and workers are reduced technical requirements and wiring costs.
Patent Information
- Application Number
- CN202420526625.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-19
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-03-19
AI Technical Summary
The manual wiring in existing injection molding machines is labor-intensive, has a high error rate, and has high requirements for workers' technical level.
Design a wire harness plug-in plastic machine controller, including core control circuits, multiple types of signal circuits and multiple unit interfaces, divide the connection area of the signal circuit according to the functional requirements of electronic equipment, and use unit interfaces to replace the original Signal input or output interface integrates multiple types of signal circuits, and reduces wiring complexity through communication circuits, DC/DC circuits and second-order filter circuits.
The number of output interfaces is reduced, the wiring work hours and costs are reduced, and the technical level requirements for assembly workers are reduced, and the efficiency and accuracy of wiring is improved.
Smart Images
Figure CN222201579U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of injection molding machines, in particular to a wiring harness plug-in type molding machine controller and an injection molding machine. Background Art
[0002] In injection molding machine applications, the module peripheral interfaces of traditional injection molding machine controllers or general PLCs are freely configurable, as follows Figure 1 As shown in the figure, the switch output DO modules with the same attributes on the controller are divided into points in the same area. Other functional modules such as switch input DI modules, analog input AI modules, analog output AO modules, temperature acquisition input TI, temperature control output TR / TO, etc. are similar. Users can configure the output of action A (for example) to DO1, DO2 or other points in the switch output DO module, and AI1, AI2 or other points in the analog input AI module through preset software or selection according to the plan. Among them, the output end of each point corresponds to an output interface, which is used as a connection point for signal output, such as Figure 2 As shown, Figure 2 It includes a communication circuit 1, a DC / DC circuit 2, a core control circuit 3, a switch input DI module 4, a corresponding DI interface 5; a switch output DO module 6, a corresponding DO interface 7; an analog input AI module 8, a corresponding AI interface 9; an analog output AO module 10, a corresponding AO interface 11; a temperature sampling input TI module 12, a corresponding TI interface 13; a temperature control output TO / TR module 14, a corresponding TO / TR interface 15; a switch relay output RO module 16, a corresponding RO interface 17.
[0003] Figure 3 It reflects the electrical wiring layout of the entire injection molding machine, which includes the injection part 18, the clamping part 19, the safety protection door 20 and the electric control box 21, wherein the molding machine controller is set in the electric control box 21. When manufacturing wiring, workers will connect and assemble the external electronic equipment and the controller according to the software point configuration table and the electrical drawings. However, wiring requires the technical level of workers, who need to be able to understand the software point configuration table and the electrical assembly drawings to complete the wiring. Therefore, the current method of manual wiring is not only labor-intensive and time-consuming, prone to errors, but also has high requirements on the technical level of workers.
[0004] In view of the above technology, seeking a wiring harness plug-in type plastic machine controller is an urgent problem to be solved by those skilled in the art. Utility Model Content
[0005] The purpose of the utility model is to provide a wiring harness plug-in type plastic machine controller and an injection molding machine, which can solve the problems of the manual wiring method in the prior art, which is labor-consuming and time-consuming, has a high error rate, and has high requirements on the technical level of workers.
[0006] In order to solve the above technical problems, the utility model provides a wiring harness plug-in type plastic machine controller, including a core control circuit, multiple types of signal circuits and multiple unit interfaces; the same type of signal circuits include multiple signal input circuits and multiple signal output circuits, and the multiple types of signal circuits are divided into connection areas according to the functional requirements of the electronic equipment connected to the wiring harness plug-in type plastic machine controller;
[0007] The multiple input terminals of the core control circuit are connected to the output terminals of the signal input circuits in the multiple types of signal circuits; the multiple output terminals of the core control circuit are connected to the input terminals of the signal output circuits in the multiple types of signal circuits;
[0008] The input ends of the multiple types of signal input circuits belonging to the same connection area division and the output ends of the multiple types of signal output circuits belonging to the same connection area division are connected to the input ends of the corresponding unit interfaces;
[0009] The output end of the unit interface is connected to the electronic device.
[0010] Preferably, it also includes a communication circuit;
[0011] The first end of the communication circuit is connected to the external circuit, and the second end of the communication circuit is connected to the first end of the core control circuit.
[0012] Preferably, it also includes a DC / DC circuit;
[0013] The input terminal of the DC / DC circuit is connected to a power source.
[0014] Preferably, it also includes: a second-order filtering circuit;
[0015] The input end of the second-order filter circuit is connected to the input ends of multiple types of signal input circuits belonging to the same connection area and the output ends of multiple types of signal output circuits belonging to the same connection area, and the output end of the second-order filter circuit is connected to the input end of the corresponding unit interface.
[0016] Preferably, the unit interface is connected to the electronic device using a differential wiring harness.
[0017] Preferably, the various types of signal circuits include: a switching signal circuit, an analog signal circuit, a temperature sampling signal circuit, a temperature control signal circuit and a switching relay signal circuit.
[0018] Preferably, the switch signal circuit and the analog signal circuit are located in different copper layer structures on a PCB board of the wiring harness plug-in type plastic machine controller.
[0019] In order to solve the above technical problems, the present application also provides an injection molding machine, including the above wiring harness plug-in type molding machine controller.
[0020] The utility model provides a wiring harness plug-in type plastic machine controller, including a core control circuit, multiple types of signal circuits and multiple unit interfaces; the same type of signal circuit includes multiple signal input circuits and multiple signal output circuits, and the multiple types of signal circuits are divided into connection areas according to the functional requirements of the electronic equipment connected to the wiring harness plug-in type plastic machine controller; the multiple input ends of the core control circuit are connected to the output ends of the signal input circuits in the multiple types of signal circuits; the multiple output ends of the core control circuit are connected to the input ends of the signal output circuits in the multiple types of signal circuits; the input ends of the multiple types of signal input circuits belonging to the same connection area division and the output ends of the multiple types of signal output circuits belonging to the same connection area division are connected to the input ends of the corresponding unit interfaces; the output end of the unit interface is connected to the electronic equipment. It can be seen that the present application adopts a unit interface to replace the output interface corresponding to the original signal input circuit or signal output circuit, integrates multiple types of signal circuits, and connects them to a unit interface. Finally, the unit interface is connected to the electronic equipment, which reduces the number of output interfaces as a whole, reduces the wiring time and cost, and reduces the technical level requirements for assembly workers. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the embodiments of the present utility model, the following is a brief introduction to the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0022] Figure 1 A schematic diagram of a conventional plastic machine controller provided by the prior art;
[0023] Figure 2 A module diagram inside a plastic machine controller provided by the prior art;
[0024] Figure 3 Electrical wiring layout diagram of injection molding machine provided by prior art;
[0025] Figure 4 A schematic diagram of a wiring harness plug-in type plastic machine controller provided in this application;
[0026] Figure 5 A partial circuit diagram of a switch signal input circuit provided in this application;
[0027] Figure 6 A circuit diagram of the first part of the switch signal output circuit provided in this application;
[0028] Figure 7 A circuit diagram of the second part of the switch signal output circuit provided in this application;
[0029] Figure 8 A circuit diagram of the first part of the analog signal input circuit provided by the present application;
[0030] Fig. 9 A circuit diagram of the second part of the analog signal input circuit provided by the present application;
[0031] Fig.10 A partial circuit diagram of the analog signal output circuit provided in this application;
[0032] Fig.11 A partial circuit diagram of the temperature sampling signal input circuit provided in this application;
[0033] Fig.12 A circuit diagram of the first part of the temperature control signal output circuit provided by the present application;
[0034] Fig.13 A circuit diagram of the second part of the temperature control signal output circuit provided by the present application;
[0035] Fig.14 A partial circuit diagram of a switch relay signal output circuit provided in this application;
[0036] Fig.15 A schematic diagram of a differential wiring harness provided in an embodiment of the present application;
[0037] Fig.16 An overall schematic diagram of a wiring harness plug-in type plastic machine controller provided in an embodiment of the present application; DETAILED DESCRIPTION
[0038] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the utility model.
[0039] The core of the utility model is to provide a wiring harness plug-in type plastic machine controller and an injection molding machine.
[0040] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0041] Figure 4 A schematic diagram of a wiring harness plug-in type plastic machine controller provided by the present application, including a core control circuit, multiple types of signal circuits and multiple unit interfaces; the same type of signal circuits include multiple signal input circuits and multiple signal output circuits, and the multiple types of signal circuits are divided into connection areas according to the functional requirements of the electronic equipment connected to the wiring harness plug-in type plastic machine controller;
[0042] The multiple input terminals of the core control circuit are connected to the output terminals of the signal input circuits in the multiple types of signal circuits; the multiple output terminals of the core control circuit are connected to the input terminals of the signal output circuits in the multiple types of signal circuits;
[0043] The input ends of the multiple types of signal input circuits belonging to the same connection area division and the output ends of the multiple types of signal output circuits belonging to the same connection area division are connected to the input ends of the corresponding unit interfaces;
[0044] The output end of the unit interface is connected to the electronic device.
[0045] In a specific embodiment, Figure 4 As shown, the wiring harness plug-in type plastic machine controller includes a core control circuit 30, multiple types of signal circuits (such as switch signal circuits, analog signal circuits, temperature sampling signal circuits, temperature control signal circuits and switch relay signal circuits, etc.) and multiple unit interfaces (such as unit interface A, unit interface B, etc.), wherein the same type of signal circuit includes multiple signal input circuits and multiple signal output circuits (such as switch signal DI input circuit 31, switch signal DO output circuit 32, analog signal AI input circuit 33, analog signal AO output circuit 34, temperature sampling signal TI input circuit 35, temperature control signal TO / TR output circuit 36 and switch relay signal RO output circuit 37, etc.). The connection areas of multiple types of signal circuits are divided according to the functional requirements of the electronic equipment connected to the wiring harness plug-in type plastic machine controller. That is to say, when the electronic equipment needs to perform action A, the required signals are the signals output by multiple types of signal circuits, which may include switch quantity, analog quantity, etc. Therefore, the input and output ends corresponding to these signal circuits are connected to a unit interface, which is used as the connection point for obtaining relevant signals when the electronic equipment performs action A and needs to be connected to the wiring harness plug-in type plastic machine controller. Figure 4 The schematic diagram shown is only a preferred method, wherein Figure 4The switch signal DI input circuit 31, the switch signal DO output circuit 32, the analog signal AI input circuit 33, and the analog signal AO output circuit 34 are all connected to the unit interface A, and the electronic device is used to perform action A according to the signal corresponding to the circuit, while the temperature sampling signal TI input circuit 35 and the temperature control signal TO / TR output circuit 36 are connected to the unit interface B, and the electronic device is used to perform action B according to the signal corresponding to the circuit.
[0046] in, Figure 4 The schematic diagram shown is only a preferred method. In specific applications, it can be configured according to current needs, and this application is not limited.
[0047] Among them, it should be noted that the specific multiple types of signal circuits provided in this application are only one possible implementation method, but are not limited to only this implementation method, and can be set according to the needs of the user. At the same time, the switch signal DI input circuit, switch signal DO output circuit, analog signal AI input circuit, analog signal AO output circuit, temperature sampling signal TI input circuit, temperature control signal TO / TR output circuit and switch relay signal RO output circuit mentioned in the embodiments of this application are all common circuits in traditional plastic machine controllers, and this application will not be repeated.
[0048] For example: the switch signal DI input circuit 31 is as follows: Figure 5 As shown, the switch signal DI input circuit includes: socket W1, resistors R1-R12, chips UI-U6, optocouplers C1-C12, and diodes T1-T6. Figure 5 The circuit shown is only a partial circuit diagram of the switch signal DI input circuit, and its specific circuit diagram will not be described in detail in this application.
[0049] For example: the switch signal DO output circuit 32 is as follows: Figure 6 and Figure 7 As shown, Figure 6 Includes: chips U7-U14, resistors R13-R28. Figure 7 It includes: transistor Q1, diodes T7-T8, and resistor R29. Among them, Figure 6 , Figure 7 The circuit shown is only a partial circuit diagram of the switch signal DO output circuit 32, and the specific circuit diagram is not described in detail in this application.
[0050] For example: analog signal AI input circuit 33 Figure 8 and Fig. 9 As shown, Figure 8 Includes: comparators E1-E2, resistors R30-R34, and capacitors C1-C3. Fig. 9Includes: chips U15-U16, capacitors C4-C7, and resistor R35. Among them, Figure 8 , Fig. 9 The circuit shown is only a partial circuit diagram of the analog signal AI input circuit 33, and the specific circuit diagram will not be described in detail in this application.
[0051] For example: analog signal AO output circuit 34 is as follows: Fig.10 As shown, Fig.10 It includes: comparators E3-E4, resistors R36-R44, and capacitor C8. Among them, Fig.10 The circuit shown is only a partial circuit diagram of the analog signal AO output circuit 34, and its specific circuit diagram is not described in detail in this application.
[0052] For example: the temperature sampling signal TI input circuit 35 is as follows: Fig.11 As shown, Fig.11 It includes: comparators E5-E6, resistors R45-R53, capacitors C9-C14. Among them, Fig.11 The circuit shown is only a partial circuit diagram of the temperature sampling signal TI input circuit 35, and its specific circuit diagram is not described in detail in this application.
[0053] For example: the temperature control signal TO / TR output circuit 36 is as follows: Fig.12 and Fig.13 As shown, Fig.12 Includes: chips U17-U18, resistors R45-R55, and transistors Q2-Q10. Fig.13 Includes: chip U19, diodes T9-T10, resistor R56. Among them, Fig.12 and Fig.13 The circuit shown is only a partial circuit diagram of the temperature control signal TO / TR output circuit 36, and its specific circuit diagram is not described in detail in this application.
[0054] For example: the switch relay signal RO output circuit 37 is as follows: Fig.14 As shown, Fig.14 It includes: chip U20, diodes T11-T12, and resistor R57. Among them, Fig.14 The circuit shown is only a partial circuit diagram of the switch relay signal RO output circuit 37, and its specific circuit diagram is not described in detail in this application.
[0055] The utility model provides a wiring harness plug-in type plastic machine controller, including a core control circuit, multiple types of signal circuits and multiple unit interfaces; the same type of signal circuit includes multiple signal input circuits and multiple signal output circuits, and the multiple types of signal circuits are divided into connection areas according to the functional requirements of the electronic equipment connected to the wiring harness plug-in type plastic machine controller; the multiple input ends of the core control circuit are connected to the output ends of the signal input circuits in the multiple types of signal circuits; the multiple output ends of the core control circuit are connected to the input ends of the signal output circuits in the multiple types of signal circuits; the input ends of the multiple types of signal input circuits belonging to the same connection area division and the output ends of the multiple types of signal output circuits belonging to the same connection area division are connected to the input ends of the corresponding unit interfaces; the output end of the unit interface is connected to the electronic equipment. It can be seen that the present application adopts a unit interface to replace the output interface corresponding to the original signal input circuit or signal output circuit, integrates multiple types of signal circuits, and connects them to a unit interface. Finally, the unit interface is connected to the electronic equipment, which reduces the number of output interfaces as a whole, reduces the wiring time and cost, and reduces the technical level requirements for assembly workers.
[0056] Based on the above embodiment, as a preferred embodiment, it further includes a communication circuit, a DC / DC circuit and a second-order filter circuit;
[0057] A first end of the communication circuit is connected to the external circuit, and a second end of the communication circuit is connected to a first end of the core control circuit;
[0058] The input end of the DC / DC circuit is connected to the power supply;
[0059] The input end of the second-order filter circuit is connected to the input ends of multiple types of signal input circuits belonging to the same connection area and the output ends of multiple types of signal output circuits belonging to the same connection area, and the output end of the second-order filter circuit is connected to the input end of the corresponding unit interface.
[0060] In a specific embodiment, Figure 4As shown, the wiring harness plug-in type plastic machine controller also includes: a communication circuit 38 and a DC / DC circuit 39. One end of the communication circuit 38 is connected to the external circuit, and the other end is connected to the core control circuit 30, for receiving the control signal sent by the external circuit and controlling the core control circuit 30; the DC / DC circuit 39 is connected to the external power supply, for providing power for the circuit in the wiring harness plug-in type plastic machine controller. On this basis, the wiring harness plug-in type plastic machine controller also includes: a second-order filter circuit; one end of the second-order filter circuit is connected to the input end of the multiple types of signal input circuits belonging to the same connection area and the output end of the multiple types of signal output circuits belonging to the same connection area, and the other end of the second-order filter circuit is connected to the input end of the corresponding unit interface, and its purpose is to deal with the interference problem generated when multiple switch signals and analog signals are integrated together. Among them, in the process of connecting various types of signal circuits with the unit interface, common-mode inductor filter devices, differential-mode inductor filter devices or adjusting the control parameters of the corresponding software filtering can be used to deal with the interference problem of long-distance routing of analog input and output, as well as the mixed routing problem of switch input and output.
[0061] It should be noted that the embodiment provided in the present application is only one possible implementation method, but is not limited to only this implementation method and can be set according to the needs of the user.
[0062] The present application provides a relatively complete internal structure of a wiring harness plug-in plastic machine controller. In addition to the core control circuit, various types of signal circuits and multiple unit interfaces, the wiring harness plug-in plastic machine controller also includes: communication circuit, DC / DC circuit and second-order filter circuit, etc., and selectively includes common-mode inductor filter devices and differential-mode inductor filter devices. In this wiring harness plug-in plastic machine controller, signal transmission can be carried out with the external circuit through the communication circuit, and the signal transmitted by the external circuit through the communication circuit controls the core control circuit; the DC / DC circuit connected to the power supply can be used to provide power for the circuit in the wiring harness plug-in plastic machine controller; the interference problem generated when multiple switch quantity signals and analog quantity signals are integrated together is processed by the second-order filter circuit to reduce the interference of the signal. On the whole, the core control circuit is connected to various types of signal circuits, and the corresponding signal type is output through the circuit, and then the various types of signal circuits are connected to the functional requirements of the electronic equipment connected to the wiring harness plug-in plastic machine controller. The area division, that is, the connection area division of the signals corresponding to different signal circuits; the signal circuits belonging to the same connection area division are connected to the corresponding unit interface as an end point connected to the electronic equipment. Overall, the number of output interfaces is reduced, the wiring time and cost are reduced, and the technical level requirements for assembly workers are lowered.
[0063] Based on the above embodiment, as a preferred embodiment, the unit interface is connected to the electronic device using a differential wiring harness. And the switch signal circuit (switch signal DI input circuit 31, switch signal DO output circuit 32, switch relay signal RO output circuit 37, etc.) and the analog signal circuit (analog signal AI input circuit 33, analog signal AO output circuit 34, etc.) are located in different copper layer structures on the PCB board of the wiring harness plug-in type plastic machine controller.
[0064] In a specific embodiment, the differential line is a pair of signal lines that are mirror images of each other, one of which is a positive polarity signal line and the other is a negative polarity signal line. The two lines are wired in parallel and maintain a constant distance, and present an opposite potential difference when transmitting signals, so that the differential signal has a strong anti-interference ability. Therefore, the connection between the unit interface and the electronic device in this application adopts a differential wiring harness connection, which further increases the anti-interference ability of the wiring harness plug-in type plastic machine controller provided by this application, such as Fig.15 As shown, J1 and J2 are the two ends of the differential harness. At the same time, in the process of circuit layout and design on the PCB of the harness plug-in plastic machine controller, a separate copper ground layer is added, and the analog signal circuit and the switch signal circuit are designed in layers and the circuit routing is arranged separately, so that the long connection lines of the analog signal circuit and the switch signal circuit are isolated separately to reduce signal interference.
[0065] In summary of the above embodiments, the overall schematic diagram of the wiring harness plug-in type plastic machine controller provided by the present application is as follows: Fig.16 As shown, it should be noted that Fig.16 The position of the unit interface shown is only one possible implementation method, but is not limited to this implementation method and can be set according to the model of the controller, etc. The present application uses the unit interface to replace the output interface corresponding to the original signal input circuit or signal output circuit, which reduces the number of output interfaces as a whole, reduces the wiring time and cost, and reduces the technical level requirements for assembly workers.
[0066] To solve the above technical problems, the present application also provides an injection molding machine, including the above wiring harness plug-in molding machine controller, and having the same beneficial effects. The embodiment of the injection molding machine is the same as the embodiment of the wiring harness plug-in molding machine controller provided above, and this application will not repeat them.
[0067] The above is a detailed introduction to a wiring harness plug-in type plastic machine controller and an injection molding machine provided by the utility model. The various embodiments in the specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same and similar parts between the various embodiments can be referenced to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part description. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified in a number of ways, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.
[0068] It should also be noted that, in this specification, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element.
Claims
1. A wiring harness plug-in type plastic machine controller, characterized in that: It includes a core control circuit, multiple types of signal circuits and multiple unit interfaces; the same type of signal circuits includes multiple signal input circuits and multiple signal output circuits, and the multiple types of signal circuits are divided into connection areas according to the functional requirements of the electronic equipment connected to the wiring harness plug-in type plastic machine controller; The multiple input terminals of the core control circuit are connected to the output terminals of the signal input circuits in the multiple types of signal circuits; the multiple output terminals of the core control circuit are connected to the input terminals of the signal output circuits in the multiple types of signal circuits; The input ends of the signal input circuits of multiple types belonging to the same connection area division and the output ends of the signal output circuits of multiple types belonging to the same connection area division are connected to the input ends of the corresponding unit interfaces; The output end of the unit interface is connected to the electronic device.
2. The wiring harness plug-in type plastic machine controller according to claim 1, characterized in that: Also includes communication circuits; The first end of the communication circuit is connected to the external circuit, and the second end of the communication circuit is connected to the first end of the core control circuit.
3. The wiring harness plug-in type plastic machine controller according to claim 1, characterized in that: It also includes DC / DC circuits; The input end of the DC / DC circuit is connected to a power source.
4. The wiring harness plug-in type plastic machine controller according to claim 1, characterized in that: Also includes: Second order filter circuit; The input end of the second-order filter circuit is connected to the input ends of the multiple types of signal input circuits belonging to the same connection area and the output ends of the multiple types of signal output circuits belonging to the same connection area, and the output end of the second-order filter circuit is connected to the input end of the corresponding unit interface.
5. The wiring harness plug-in type plastic machine controller according to claim 1, characterized in that: The unit interface is connected to the electronic device using a differential wiring harness.
6. The wiring harness plug-in type plastic machine controller according to any one of claims 1 to 5, characterized in that: The various types of signal circuits include: a switching signal circuit, an analog signal circuit, a temperature sampling signal circuit, a temperature control signal circuit and a switching relay signal circuit.
7. The wiring harness plug-in type plastic machine controller according to claim 6, characterized in that: The switch signal circuit and the analog signal circuit are located in different copper layer structures on the PCB board of the wiring harness plug-in type plastic machine controller.
8. An injection molding machine, characterized in that: It includes the wiring harness plug-in type plastic machine controller as described in any one of claims 1-7.