Electrical control system for automatic feeding of diaphragms

Abstract

The utility model relates to an electrical control system for automatic diaphragm feeding, which comprises a power supply, a first switching power supply, a second switching power supply, a PLC (Programmable Logic Controller), a servo motor, a frequency converter, a first stepping motor, a contactor and a second stepping motor, and is characterized in that the power supply is used for supplying power to the first switching power supply, the second switching power supply, the PLC, the servo motor and the frequency converter; the first switching power supply is used for supplying power to the first stepping motor, the second switching power supply is used for supplying power to the second stepping motor, a coil of the contactor is connected with the output end of the second switching power supply, and an auxiliary contact of the contactor is connected to a circuit between the second switching power supply and the second stepping motor. According to the electrical control system for automatic diaphragm feeding, corresponding electrical control is matched according to a mechanical structure, feeding work can be accurately controlled through devices such as the frequency converter and the servo motor, and continuity, reliability and safety of operation in the feeding process are guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of electrical control technology, and in particular to an electrical control system for automatic diaphragm feeding. Background Technology

[0002] Regarding the utility model patent application filed by the applicant as a co-applicant, application number CN202323553713.4, patent title: An automatic film feeding device for laminating equipment, the automatic film feeding device is disclosed, including: a frame, wherein: a roll film feeding mechanism is installed on the lower right side of the frame, and a film feeding mechanism is installed on the upper right side of the frame; a peeling roller is provided at the right end of the film feeding mechanism, a film feeding roller is provided at the left end, and a bottom film rewinding mechanism is provided below; a film cutting mechanism is provided on the left side of the film feeding mechanism, and the upper film output from the right end of the film feeding mechanism passes through a film flattening frame, and the film cutting mechanism cuts out the upper film sheet; a left-right translating film sheet picking hand mechanism is installed on the frame above the film flattening frame.

[0003] The aforementioned utility model patent discloses the mechanical structure of an automatic film feeding device. For a complete set of equipment, mechanical and electrical control are two main components. Only through electrical control can the mechanical structure automatically complete the instructions according to the prescribed actions. Therefore, for the aforementioned non-standard automatic film feeding device, a matching electrical control system is required to achieve automatic operation during the film feeding process. Utility Model Content

[0004] Therefore, the technical problem to be solved by this utility model is to provide an electrical control system that is compatible with the automatic film application device of existing equipment used for film coating equipment.

[0005] To solve the above-mentioned technical problems, this utility model provides an electrical control system for automatic diaphragm feeding, including: a power supply, a first switching power supply, a second switching power supply, a PLC, a servo motor, a frequency converter, a first stepper motor, a contactor, and a second stepper motor. The power supply provides power to the first switching power supply, the second switching power supply, the PLC, the servo motor, and the frequency converter. The first switching power supply provides power to the first stepper motor, and the second switching power supply provides power to the second stepper motor. The coil of the contactor is connected to the output terminal of the second switching power supply, and the auxiliary contact of the contactor is connected to the line between the second switching power supply and the second stepper motor.

[0006] In one embodiment of this utility model, a leakage current switch and a first fuse are connected to the main power line.

[0007] In one embodiment of this utility model, the power supply is AC 220V.

[0008] In one embodiment of the present invention, the input terminal of the first switching power supply is connected to a power source, and the output terminal of the first switching power supply is connected to a first stepper motor. The first switching power supply is used to convert AC 220V to 60V.

[0009] In one embodiment of this utility model, the input terminal of the second switching power supply is connected to a power source, and the output terminal of the second switching power supply is connected to a second stepper motor. The second switching power supply is used to convert AC 220V to DC 24V.

[0010] In one embodiment of this utility model, a two-position switch is connected between the output terminal of the second switching power supply and the second stepper motor.

[0011] In one embodiment of this utility model, a second fuse is connected between the output terminal of the second switching power supply and the second stepper motor.

[0012] In one embodiment of this utility model, a socket is connected to the main power line.

[0013] In one embodiment of this utility model, the rated current of the first fuse is 6A, and the rated current of the second fuse is 4A.

[0014] In one embodiment of this utility model, the main contacts of the contactor are disposed on the main power supply line connecting the power supply to the first switching power supply, the second switching power supply, the PLC, the servo motor and the frequency converter.

[0015] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial effects:

[0016] The electrical control system for automatic diaphragm feeding described in this utility model is matched with corresponding electrical controls based on the mechanical structure. It uses devices such as frequency converters and servo motors to accurately control the feeding operation, ensuring the continuity, reliability and safety of the feeding process. Attached Figure Description

[0017] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein:

[0018] Figure 1 This is an electrical schematic diagram of the electrical control system for automatic diaphragm feeding in a preferred embodiment of the present invention.

[0019] Explanation of the reference numerals in the instruction manual: Power supply 1, First switching power supply 2, Second switching power supply 3, PLC 4, Servo motor 5, Frequency converter 6, First stepper motor 7, Contactor 8, Second stepper motor 9, Residual current switch 10, First fuse 11, Two-position switch 12, Second fuse 13, Socket 14. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments are not intended to limit the present invention.

[0021] Reference Figure 1 As shown, the electrical control system for automatic film feeding of this utility model includes: a power supply 1, a first switching power supply 2, a second switching power supply 3, a PLC 4, a servo motor 5, a frequency converter 6, a first stepper motor 7, a contactor 8, and a second stepper motor 9. The power supply 1 is AC 220V and supplies power to the first switching power supply 2, the second switching power supply 3, the PLC 4, the servo motor 5, and the frequency converter 6. The first switching power supply 2 supplies power to the first stepper motor 7, and the second switching power supply 3 supplies power to the second stepper motor 9. The coil of the contactor 8 is connected to the output terminal of the second switching power supply 3, and the auxiliary contacts of the contactor 8 are connected to the line between the second switching power supply 3 and the second stepper motor 9. Multiple servo motors 5, frequency converters 6, and first stepper motors 7 are configured to meet the feeding action.

[0022] The PLC4 is configured with several inputs and outputs based on the actions during the feeding process. For example, input signals include external motor start, external cycle start, external pause, material discharge permission, and material pick-up permission, while output signals include grating start, material pick-up completion, material discharge completion, emergency stop, and pause.

[0023] To protect the circuit, a residual current device (RCD) 10 and a first fuse 11 are connected to the main line of the power supply 1. A second fuse 13 is connected between the output terminal of the second switching power supply 3 and the second stepper motor 9. Specifically, the rated current of the first fuse 11 is 6A, and the rated current of the second fuse 13 is 4A.

[0024] The first switching power supply 2 and the second switching power supply 3 are used to convert power supply 1 into the required power. Specifically, the input terminal of the first switching power supply 2 is connected to power supply 1, and the output terminal of the first switching power supply 2 is connected to the first stepper motor 7. The first switching power supply 2 is used to convert AC 220V to 60V. The input terminal of the second switching power supply 3 is connected to power supply 1, and the output terminal of the second switching power supply 3 is connected to the second stepper motor 9. The second switching power supply 3 is used to convert AC 220V to DC 24V.

[0025] In the circuit described above, a two-position switch 12 is connected between the output terminal of the second switching power supply 3 and the second stepper motor 9.

[0026] In the above circuit, the main contacts of the contactor 8 are located on the main power supply line connecting the power supply 1 with the first switching power supply 2, the second switching power supply 3, the PLC 4, the servo motor 5, and the frequency converter 6.

[0027] In addition, a socket 14 is connected to the main line of the power supply 1.

[0028] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

Claims

1. An electrical control system for automatic diaphragm feeding, characterized in that, include: The system includes a power supply, a first switching power supply, a second switching power supply, a PLC, a servo motor, a frequency converter, a first stepper motor, a contactor, and a second stepper motor. The power supply provides power to the first switching power supply, the second switching power supply, the PLC, the servo motor, and the frequency converter. The first switching power supply provides power to the first stepper motor, and the second switching power supply provides power to the second stepper motor. The coil of the contactor is connected to the output terminal of the second switching power supply, and the auxiliary contacts of the contactor are connected to the line between the second switching power supply and the second stepper motor.

2. The electrical control system for automatic diaphragm feeding according to claim 1, characterized in that: The main power line is connected to a leakage current switch and a first fuse.

3. The electrical control system for automatic diaphragm feeding according to claim 2, characterized in that: The power supply is AC 220V.

4. The electrical control system for automatic diaphragm feeding according to claim 3, characterized in that: The input terminal of the first switching power supply is connected to a power source, and the output terminal of the first switching power supply is connected to a first stepper motor. The first switching power supply is used to convert AC 220V to 60V.

5. The electrical control system for automatic diaphragm feeding according to claim 3 or 4, characterized in that: The input terminal of the second switching power supply is connected to a power source, and the output terminal of the second switching power supply is connected to a second stepper motor. The second switching power supply is used to convert AC 220V to DC 24V.

6. The electrical control system for automatic diaphragm feeding according to claim 5, characterized in that: A two-position switch is connected between the output terminal of the second switching power supply and the second stepper motor.

7. The electrical control system for automatic diaphragm feeding according to claim 6, characterized in that: A second fuse is connected between the output terminal of the second switching power supply and the second stepper motor.

8. The electrical control system for automatic diaphragm feeding according to claim 1, characterized in that: A socket is connected to the main power line.

9. The electrical control system for automatic diaphragm feeding according to claim 7, characterized in that: The rated current of the first fuse is 6A, and the rated current of the second fuse is 4A.

10. The electrical control system for automatic diaphragm feeding according to claim 1, characterized in that: The main contacts of the contactor are located on the main power supply line that connects the power supply to the first switching power supply, the second switching power supply, the PLC, the servo motor, and the frequency converter.

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