CN206248072U - A kind of prepainted coil length computation and coil dividing control device - Google Patents

Abstract

The utility model discloses a color-coated coil length calculation and coil splitting control device, which comprises an uncoiler, a tension roller, a first encoder, a free roller, a second encoder, a shearing machine, a PLC controller and an HMI. The utility model solves the problem of inaccurate metering of steel coils on the color coating line, eliminates the interference of factors such as tension fluctuations on the color coating line and strip steel expansion and contraction through the setting of free rollers, and transmits the measurement signal data to the PLC controller of the color coating production line, Then the PLC controller completes the sub-rolling of the color-coated steel coil according to the set weight or length.

Description

A color-coated roll length calculation and roll-splitting control device

technical field

The utility model belongs to the technical field of automatic control of color-coated steel coils, in particular to a color-coated coil length calculation and coil division control device.

Background technique

The calculation of the length of the steel coil of the color-coated line is the most critical in the coiling process, and the accuracy of the calculation of the length of the color-coated coil directly affects whether the final product meets the requirements. The coil length of the exit section of the existing color coating machine is controlled and calculated by the encoder installed on the tension roller. Since the tension roller maintains the normal operation of the exit section of the color coating, the tension fluctuates greatly during the production process, which will cause the front and rear of the strip steel Stretching affects the calculation length accuracy of color-coated coils, causing inaccurate measurement, which greatly affects production, and the existing control program is programmed in Siemens SLC language, which is difficult for maintenance personnel to understand, which increases the time spent on fault detection. Difficulty of work.

Therefore, there is an urgent need for a color-coated roll length calculation and roll-splitting control device with reasonable design, low cost, convenient and intuitive, accurate and reliable.

Utility model content

The purpose of the utility model is to provide a color-coated roll length calculation and roll division control device.

The purpose of this utility model is achieved like this, described device comprises uncoiler, tension roller, first encoder, free roller, second encoder, shearing machine, PLC controller and HMI, described uncoiler, tension roller The roller, the free roller, and the shearing machine are arranged in sequence, and the first encoder is installed on the entrance side of the tension roller, and the second encoder is installed on the side of the free roller close to the shearing machine, and the PLC controller is connected to First encoder, second encoder, HMI, the first encoder is connected to the color-coated roll length data calculation module, the second encoder is a counting encoder and connected to the color-coated roll counter module, the HMI The screen is provided with a first data display column for displaying the data of the color-coated coil length data calculation module.

Compared with the prior art, the utility model has the following technical effects:

1. The utility model solves the problem of inaccurate metering of steel coils on the color coating line, and eliminates the interference of factors such as tension fluctuations on the color coating line and strip steel expansion and contraction through the setting of free rollers, and transmits the measurement signal data to the PLC control of the color coating production line device, and then the PLC controller completes the sub-rolling of the color-coated steel coil according to the set weight or length.

2. The device of this utility model is scientific and reasonable in use, and uses the relevant automatic control program language to solve the problem of inaccurate measurement of the length of the color-coated steel coil. The impact of steel expansion and contraction fluctuations is convenient for operators to operate intuitively, which improves the production efficiency and the technical level of operators, and achieves better social and economic benefits.

Description of drawings

Fig. 1 is a schematic diagram of the working principle of the utility model.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings, but the utility model is not limited in any way. Any transformation or replacement based on the teaching of the utility model belongs to the protection scope of the utility model.

As shown in the accompanying drawing 1, the color-coated roll length calculation and split-roll control device includes an uncoiler, a tension roll, a first encoder, a free roll, a second encoder, a shearing machine, a PLC controller, and an HMI , the uncoiler, the tension roller, the free roller, and the shearing machine are arranged in sequence, and the first encoder is installed on the entrance side of the tension roller, and the second encoder is installed on the side of the free roller close to the shearing machine , the PLC controller is connected to the first encoder, the second encoder, and the HMI, the first encoder is connected to the color-coated roll length data calculation module, and the second encoder is a counting encoder and connected to the color-coated For the roll counter module, the screen of the HMI is provided with a first data display column for displaying the data of the color-coated roll length data calculation module.

The tension roller is 1# tension roller.

The color-coated roll counter module is an S7_400PLC counter module.

The screen of the HMI is provided with a second data display column for displaying the data of the color-coated coil counting module.

The control program of the PLC controller is written by Siemens S7 STEP5 ladder diagram language programming control software.

Described PLC controller is Siemens S7 400 PLC.

The HMI is Siemens WinCC monitoring software.

The HMI is connected with the PLC controller through Ethernet.

The free roller is a driven rubber roller of ￠160mm.

The second encoder can accurately count its number of rotations.

The working principle and working process of the utility model: when the production line starts to run, the signal is collected by the first encoder on the tension roller, and the color-coated coil length data is calculated on the color-coated coil length data calculation module and fed back to the PLC controller. Then the data is displayed in the first data display column of the HMI screen. The setting of the free roll eliminates the interference of factors such as tension fluctuations on the color coating line and strip steel expansion and contraction. At the same time, the second encoder set on the side of the free roll collects signals and Counting is performed on the color-coated roll counter module and fed back to the PLC controller, and then the data is displayed on the second data display column of the HMI screen, which is convenient for the operator to operate intuitively; at the same time, according to the set weight or length of the PLC controller, when winding When the weight or length of the steel coil on the machine reaches the set value, the exit section of the color coating line will automatically stop, and with the confirmation of the operator, continue to complete the steps of unloading, cutting the steel strip and unloading the coil at the exit section to complete the separation of the color coated steel coil. roll.

Advantages of the utility model: the utility model solves the problem of inaccurate metering of steel coils on the color-coating line, eliminates the interference of factors such as tension fluctuations on the color-coating line and strip steel expansion and contraction through the setting of free rollers, and transmits the measurement signal data to the color-coating line The PLC controller of the coating production line, and then the PLC controller completes the division of the color-coated steel coil according to the set weight or length; the device of the utility model is scientific and reasonable in use, and uses the relevant automatic control program language to solve the length measurement of the color-coated steel coil The problem of inaccuracy is not only convenient for on-site operation, but also accurately and reliably realizes the measurement of the length of color-coated coils, avoids the impact of strip steel expansion and contraction fluctuations, is convenient for operators to operate intuitively, and improves the production rate and technical level of operators , and achieved better social and economic benefits.

Claims (8)

1. A color-coated coil length calculation and sub-volume control device, characterized in that the device includes an uncoiler, a tension roller, a first encoder, a free roller, a second encoder, a shearing machine, a PLC controller and an HMI , the uncoiler, the tension roller, the free roller, and the shearing machine are arranged in sequence, and the first encoder is installed on the entrance side of the tension roller, and the second encoder is installed on the side of the free roller close to the shearing machine , the PLC controller is connected to the first encoder, the second encoder, and the HMI, the first encoder is connected to the color-coated roll length data calculation module, and the second encoder is a counting encoder and connected to the color-coated For the roll counter module, the screen of the HMI is provided with a first data display column for displaying the data of the color-coated roll length data calculation module. 2. The color-coated roll length calculation and volume control device according to claim 1, characterized in that said color-coated roll counter module is a S7_400PLC counter module. 3. The color-coated roll length calculation and roll-splitting control device according to claim 1, characterized in that the HMI screen is provided with a second data display column for displaying the data of the color-coated roll counter module. 4. The color-coated roll length calculation and roll-splitting control device according to claim 1, characterized in that the control program of the PLC controller is written by Siemens S7 STEP5 ladder language programming control software. 5. The color-coated roll length calculation and roll-splitting control device according to claim 1, characterized in that said PLC controller is Siemens S7 400 PLC. 6. The color-coated coil length calculation and volume control device according to claim 1, characterized in that said HMI is Siemens WinCC monitoring software. 7. The color-coated roll length calculation and roll-splitting control device according to claim 1, characterized in that said HMI is connected to a PLC controller through Ethernet. 8. The color-coated roll length calculation and roll-splitting control device according to claim 1, characterized in that the free roll is a driven rubber roll of ￠160mm.