A method for automatically determining whether to print on a marking machine

Abstract

The present invention provides a method for a marking machine to automatically determine whether to print, which is applied to the marking machine, and the specific steps include: installing a tower detection system on the operating side of the coiler, and the tower detection system determines whether the steel coil is tower-shaped, if it is determined to be tower-shaped, the value of Flag1 is written as 1; when the shape of the steel coil is manually monitored to be an ellipse, the value of Flag2 is manually input as 1; the outer diameter of the steel coil is calculated by the rolling line L1PLC to determine whether the steel coil meets the printing standard of the marking machine, if it is determined that the coil diameter does not meet the printing requirements, the value of Flag3 is written as 1; when the rolling line L1PLC data tracking error occurs, the value of Flag4 is written as 1; when the marking machine fails, the value of Flag5 is written as 1; the values ​​of Flag1 to Flag5 are read by the marking machine, and then it is determined whether to perform the printing operation. Before the marking machine performs the printing operation, the present invention determines whether the printing conditions are met, ensures the safety of the marking machine main equipment, avoids equipment accidents, reduces accident time, and improves operation efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of hot rolling production lines, and in particular to a method for a marking machine to automatically determine whether to print. Background Art

[0002] In the hot rolling production line, after the steel coil comes off the coiler, it passes through the unloading trolley to the transport chain, which is composed of multiple groups of walking beams. Under the action of the transport chain, the steel coil coming off the line is transported to the steel coil warehouse. A marking machine will be installed on the side of a certain section of the walking beam. When the steel coil reaches this section of the walking beam, the walking beam stops. When the marking machine recognizes that there is a steel coil on this walking beam, it will automatically extend the mechanical arm and print on the surface of the steel coil. The printed information includes the steel coil number, the next process and other information.

[0003] In the actual production process, if the steel coil has oval rolls, overflow edges, tower shapes, etc., the marking machine will get stuck during the printing process, and even damage the robot arm, nozzle and other equipment.

[0004] Therefore, a method is needed so that when the working conditions of the marking machine are not met, the marking machine does not perform the printing operation on the steel coil. Summary of the invention

[0005] According to the technical problems raised above, a method for automatically determining whether to print is provided for a marking machine, which can avoid the above problems and ensure the stable operation of the marking machine equipment.

[0006] The technical means adopted by the present invention are as follows:

[0007] A method for a marking machine to automatically determine whether to print is used, which is applied to the marking machine, and the specific steps include:

[0008] S1. Install a tower shape detection system on the operating side of the coiler, and use the tower shape detection system to determine whether the steel coil is in a tower shape. If it is determined to be in a tower shape, the value of Flag1 is written as 1;

[0009] S2, when the shape of the steel coil is an ellipse, the value of Flag2 is manually input as 1;

[0010] S3, calculate the outer diameter of the steel coil through the rolling line L1 PLC, and judge whether the steel coil meets the printing standard of the marking machine. If it is judged that the coil diameter does not meet the printing requirements, the value of Flag3 is written as 1;

[0011] S4, when the rolling line L1 PLC data tracking error occurs, the value of Flag4 is written as 1;

[0012] S5. When the marking machine fails, the value of Flag5 is written as 1;

[0013] S6. The inkjet printer reads the values ​​of Flag1 to Flag5 to determine whether to perform the inkjet printing operation.

[0014] Furthermore, the step S1 specifically includes:

[0015] A tower shape detection system is installed on the operating side of the coiler. After the coiler is finished coiling, the camera of the tower shape detection system automatically takes a photo and feeds the photo back to the tower shape detection system, which determines whether the steel coil is tower-shaped. When the system determines that the current steel coil is tower-shaped, it automatically writes the value of Flag1 to 1.

[0016] The tower detection system communicates with the rolling line L1 PLC via Ethernet and writes the data of Flag1 to the rolling line L1 PLC. The rolling line L1 PLC is used for data tracking. When the steel coil reaches the position of the marking machine, the data corresponding to the rolling line and the actual object are sent to the marking machine, and the marking machine can receive the value of Flag1.

[0017] Furthermore, the step S2 specifically includes:

[0018] The operator determines the shape of the steel coil on the transport chain through the TV monitoring screen. If the shape of the steel coil is determined to be an ellipse, the operator manually enters the value of Flag2 as 1 in the input box corresponding to the rolling line L1 HMI.

[0019] The rolling line L1 HMI and rolling line L1 PLC communicate via Ethernet, and the rolling line L1 PLC tracks the data. When the steel coil arrives at the marking machine position, the rolling line L1 PLC sends the corresponding Flag2 data to the marking machine.

[0020] Furthermore, the step S3 specifically includes:

[0021] After the coiler has finished working, the rolling line L1 PLC calculates the outer diameter of the steel coil. Assuming that the marking machine can print the steel coil with an outer diameter of n, when the outer diameter of the steel coil is less than n, the rolling line L1 HMI automatically writes the corresponding Flag3 value to 1;

[0022] The rolling line L1 HMI and rolling line L1 PLC communicate through Ethernet, and the rolling line L1 PLC performs data tracking. When the steel coil reaches the position of the marking machine, the rolling line L1 PLC sends the corresponding Flag3 data to the marking machine.

[0023] Furthermore, the step S4 specifically includes:

[0024] When the rolling line L1 PLC performs data tracking, if the tracking information is wrong and the data information of the steel coil is empty, the value of Flag4 is automatically written to 1;

[0025] When the steel coil reaches the marking machine position, the rolling line L1 PLC sends the corresponding Flag4 data to the marking machine.

[0026] Furthermore, the step S5 specifically includes:

[0027] When the marking machine fails during operation, the marking machine automatically writes the value of Flag5 to 1.

[0028] Furthermore, the step S6 specifically includes:

[0029] When the steel coil reaches the printing position and the other printing conditions are met, the marking machine scans the values ​​of Flag1, Flag2, Flag3, Flag4 and Flag5 in sequence. When the value of any variable is 1, the printing operation is not performed, and an audible and visual alarm is issued. The operator inspects and maintains the equipment according to different problems.

[0030] Compared with the prior art, the present invention has the following advantages:

[0031] The method for automatically determining whether to print by a marking machine provided by the present invention automatically determines whether printing conditions are met before the marking machine performs a printing operation, thereby ensuring the safety of the marking machine main body equipment, avoiding equipment accidents, reducing accident time, and improving operation efficiency.

[0032] The method for automatically determining whether to print by a marking machine provided by the present invention can solve the problems of 1. no printing for a tower-shaped roll; no printing for an elliptical roll; no printing for a roll with a small roll diameter; no printing for an empty number; and no printing for a marking machine body failure. The method can also automatically alarm, thereby improving production efficiency.

[0033] Based on the above reasons, the present invention can be widely promoted in the technical field of hot rolling production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0035] Figure 1 The present invention is a flow chart of a method for a marking machine to automatically determine whether to print. DETAILED DESCRIPTION

[0036] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0037] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0038] like Figure 1 As shown, the present invention provides a method for a marking machine to automatically determine whether to print, which is applied to the marking machine, and the specific steps include:

[0039] S1. Install a tower shape detection system on the operating side of the coiler, and use the tower shape detection system to determine whether the steel coil is in a tower shape. If it is determined to be in a tower shape, the value of Flag1 is written as 1;

[0040] S2, when the shape of the steel coil is an ellipse, the value of Flag2 is manually input as 1;

[0041] S3, calculate the outer diameter of the steel coil through the rolling line L1 PLC, and judge whether the steel coil meets the printing standard of the marking machine. If it is judged that the coil diameter does not meet the printing requirements, the value of Flag3 is written as 1;

[0042] S4, when the rolling line L1 PLC data tracking error occurs, the value of Flag4 is written as 1;

[0043] S5. When the marking machine fails, the value of Flag5 is written as 1;

[0044] S6. The inkjet printer reads the values ​​of Flag1 to Flag5 to determine whether to perform the inkjet printing operation.

[0045] In specific implementation, as a preferred embodiment of the present invention, the step S1 specifically includes:

[0046] A tower shape detection system is installed on the operating side of the coiler. After the coiler is finished coiling, the camera of the tower shape detection system automatically takes a photo and feeds the photo back to the tower shape detection system, which determines whether the steel coil is tower-shaped. When the system determines that the current steel coil is tower-shaped, it automatically writes the value of Flag1 to 1.

[0047] The tower detection system communicates with the rolling line L1 PLC via Ethernet and writes the data of Flag1 to the rolling line L1 PLC. The rolling line L1 PLC is used for data tracking. When the steel coil reaches the position of the marking machine, the data corresponding to the rolling line and the actual object are sent to the marking machine, and the marking machine can receive the value of Flag1.

[0048] In specific implementation, as a preferred embodiment of the present invention, step S2 specifically includes:

[0049] The operator determines the shape of the steel coil on the transport chain through the TV monitoring screen. If the shape of the steel coil is determined to be an ellipse, the operator manually enters the value of Flag2 as 1 in the input box corresponding to the rolling line L1 HMI.

[0050] The rolling line L1 HMI and rolling line L1 PLC communicate via Ethernet, and the rolling line L1 PLC tracks the data. When the steel coil arrives at the marking machine position, the rolling line L1 PLC sends the corresponding Flag2 data to the marking machine.

[0051] In specific implementation, as a preferred embodiment of the present invention, step S3 specifically includes:

[0052] After the coiler has finished working, the rolling line L1 PLC calculates the outer diameter of the steel coil. Assuming that the marking machine can print the steel coil with an outer diameter of n, when the outer diameter of the steel coil is less than n, the rolling line L1 HMI automatically writes the corresponding Flag3 value to 1;

[0053] The rolling line L1 HMI and rolling line L1 PLC communicate through Ethernet, and the rolling line L1 PLC performs data tracking. When the steel coil reaches the position of the marking machine, the rolling line L1 PLC sends the corresponding Flag3 data to the marking machine.

[0054] In specific implementation, as a preferred embodiment of the present invention, step S4 specifically includes:

[0055] When the rolling line L1 PLC performs data tracking, if the tracking information is wrong and the data information of the steel coil is empty, the value of Flag4 is automatically written to 1;

[0056] When the steel coil reaches the marking machine position, the rolling line L1 PLC sends the corresponding Flag4 data to the marking machine.

[0057] In specific implementation, as a preferred embodiment of the present invention, step S5 specifically includes:

[0058] When the marking machine fails during operation, the marking machine automatically writes the value of Flag5 to 1.

[0059] In specific implementation, as a preferred embodiment of the present invention, step S6 specifically includes:

[0060] When the steel coil reaches the printing position and the other printing conditions are met, the marking machine scans the values ​​of Flag1, Flag2, Flag3, Flag4 and Flag5 in sequence. When the value of any variable is 1, the printing operation is not performed, and an audible and visual alarm is issued. The operator inspects and maintains the equipment according to different problems.

[0061] Example

[0062] like Figure 1 As shown, the present invention provides a method for a marking machine to automatically determine whether to print. In this embodiment, whether the steel coil is tower-shaped is determined by judging the protruding part of the steel coil. When the protruding part is greater than 50mm, the steel coil is determined to be tower-shaped, and the value of Flag1 is automatically written as 1.

[0063] During implementation, if the guardrail of the transport chain is 1.1m and the safety distance is 1.1m+0.2m, the marking machine can only print steel coils with an outer diameter of more than 1.3m. If the outer diameter of the steel coil is less than 1.3m, the value of Flag3 is written as 1.

[0064] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A method for a marking machine to automatically determine whether to print, characterized in that: Applied to the marking machine, the specific steps include: S1. Install a tower shape detection system on the operating side of the coiler, and use the tower shape detection system to determine whether the steel coil is in a tower shape. If it is determined to be in a tower shape, the value of Flag1 is written as 1; S2, when the shape of the steel coil is an ellipse, the value of Flag2 is manually input as 1; S3, calculate the outer diameter of the steel coil through the rolling line L1 PLC, and judge whether the steel coil meets the printing standard of the marking machine. If it is judged that the coil diameter does not meet the printing requirements, the value of Flag3 is written as 1; S4, when the rolling line L1 PLC data tracking error occurs, the value of Flag4 is written as 1; S5. When the marking machine fails, the value of Flag5 is written as 1; S6. The inkjet printer reads the values ​​of Flag1 to Flag5 to determine whether to perform the inkjet printing operation.

2. The method for automatically determining whether to print for a marking machine according to claim 1, characterized in that: The step S1 specifically includes: A tower shape detection system is installed on the operating side of the coiler. After the coiler is finished coiling, the camera of the tower shape detection system automatically takes a photo and feeds the photo back to the tower shape detection system, which determines whether the steel coil is tower-shaped. When the system determines that the current steel coil is tower-shaped, it automatically writes the value of Flag1 to 1. The tower detection system communicates with the rolling line L1 PLC via Ethernet and writes the data of Flag1 to the rolling line L1 PLC. The rolling line L1 PLC is used for data tracking. When the steel coil reaches the position of the marking machine, the rolling line L1 PLC sends the data corresponding to the actual object to the marking machine, and the marking machine can receive the value of Flag1.

3. The method for automatically determining whether to print for a marking machine according to claim 1, characterized in that: The step S2 specifically includes: The operator determines the shape of the steel coil on the transport chain through the TV monitoring screen. If the shape of the steel coil is determined to be an ellipse, the operator manually enters the value of Flag2 as 1 in the input box corresponding to the rolling line L1 HMI. The rolling line L1 HMI and rolling line L1 PLC communicate via Ethernet, and the rolling line L1 PLC tracks the data. When the steel coil arrives at the marking machine position, the rolling line L1 PLC sends the corresponding Flag2 data to the marking machine.

4. The method for automatically determining whether to print for a marking machine according to claim 1, characterized in that: The step S3 specifically includes: After the coiler has finished working, the rolling line L1 PLC calculates the outer diameter of the steel coil. Assuming that the marking machine can print the steel coil with an outer diameter of n, when the outer diameter of the steel coil is less than n, the rolling line L1 HMI automatically writes the corresponding Flag3 value to 1; The rolling line L1 HMI and rolling line L1 PLC communicate through Ethernet, and the rolling line L1 PLC performs data tracking. When the steel coil reaches the position of the marking machine, the rolling line L1 PLC sends the corresponding Flag3 data to the marking machine.

5. The method for automatically determining whether to print for a marking machine according to claim 1, characterized in that: The step S4 specifically includes: When the rolling line L1 PLC performs data tracking, if the tracking information is wrong and the data information of the steel coil is empty, the value of Flag4 is automatically written to 1; When the steel coil reaches the marking machine position, the rolling line L1 PLC sends the corresponding Flag4 data to the marking machine.

6. The method for automatically determining whether to print for a marking machine according to claim 1, characterized in that: The step S5 specifically includes: When the marking machine fails during operation, the marking machine automatically writes the value of Flag5 to 1.

7. The method for automatically determining whether to print for a marking machine according to claim 1, characterized in that: The step S6 specifically includes: When the steel coil reaches the printing position and the other printing conditions are met, the marking machine scans the values ​​of Flag1, Flag2, Flag3, Flag4 and Flag5 in sequence. When the value of any variable is 1, the printing operation is not performed, and an audible and visual alarm is issued. The operator inspects and maintains the equipment according to different problems.

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