CN114309093A - Method for loading and unloading plate on cooling bed, plate coding method and plate coding auxiliary device - Google Patents
Method for loading and unloading plate on cooling bed, plate coding method and plate coding auxiliary device Download PDFInfo
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- CN114309093A CN114309093A CN202111663562.0A CN202111663562A CN114309093A CN 114309093 A CN114309093 A CN 114309093A CN 202111663562 A CN202111663562 A CN 202111663562A CN 114309093 A CN114309093 A CN 114309093A
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Abstract
The invention provides a method for enabling a plate to pass through a cooling bed, a plate coding method and a plate coding auxiliary device, and belongs to the technical field of plate production. The method for cooling the plate up and down in the cooling bed comprises the following steps: shearing the mother board to obtain a board group; when the plate group is on the cooling bed and/or the cooling bed, at least one pair of adjacent plates in the plate group are overlapped end to end. The plate coding method further comprises the following steps: and acquiring head and tail signals of the plate, wherein the times that the thickness of the plate exceeds a thickness threshold value are stacking times, and the plate is encoded according to the head and tail signals and the stacking times. The plate coding auxiliary device comprises a thickness gauge and a head-tail sensor. According to the invention, by the method of overlapping the head and the tail of the adjacent plates, the plate groups cut by the mother plate with the length exceeding the width of the cooling bed can pass through the cooling bed in the same batch, do not need to pass in batches, can be matched with the rolling speed of a rolling mill, and ensure the production efficiency of a production line.
Description
Technical Field
The invention relates to the technical field of plate production, in particular to a method for loading and unloading a plate on a cooling bed, a plate coding method and a plate coding auxiliary device.
Background
In a plate production line, a single billet is rolled to form a mother plate, and a longer mother plate is subjected to hot sectional shearing to meet the conditions of the next working procedure. The longer the length of a single mother plate is, the more steel plates can be obtained by shearing, the better the consistency among finished steel plates is, and the higher the rolling efficiency is. However, due to the limitation of practical environment and other factors, the actual size of the cooling bed for cooling the steel plate is often limited, and the length of the mother plate rolled by the rolling mill is often larger than the width of the cooling bed. When the length of the mother plate is larger than the width of the cooling bed, the width of the cooling bed is insufficient, two steel plates obtained by shearing the same mother plate cannot pass through the cooling bed at the same time, and only one steel plate can pass through the cooling bed and then the other steel plate passes through the cooling bed. The pass frequency of the cooling bed in unit time is limited, and the rolling speed of the rolling mill can only be reduced to match the speed of the cooling bed, so that the production efficiency of the whole plate production line is reduced.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a method for loading and unloading a sheet onto and from a cooling bed, a sheet coding method, and a sheet coding assisting device, which are used to solve the problems of the prior art that the length of a mother plate is greater than the width of the cooling bed, and the production line efficiency is reduced.
To achieve the above and other related objects, the present invention provides a method for cooling a sheet material in an upper and lower cooling beds, comprising the steps of: cutting the mother board in the length direction of the mother board to obtain a plate group; when the plate group goes up and down the cooling bed, at least one pair of adjacent plates in the plate group are overlapped end to end, so that the length of the plate group is smaller than or equal to the width of the cooling bed.
Optionally, the length of the motherboard is greater than the width of the cooling bed.
The invention also provides a plate coding method, which comprises the following steps:
cutting the mother board in the length direction of the mother board, wherein the same mother board cuts the obtained plate to form a plate group; when the plate group is placed on a cooling bed and/or a lower cooling bed, at least one pair of adjacent plates in the plate group are overlapped end to end, so that the length of the plate group is smaller than or equal to the width of the cooling bed; carrying out head-tail sensing on the plates on the input and output roller ways of the cooling bed to obtain head-tail signals of the plates; presetting a thickness threshold value of the plate, wherein the times that the thickness of the plate exceeds the thickness threshold value between the head signal and the tail signal is the stacking times n; and acquiring the superposition times n, and coding the plate on the cooling bed according to the number m of the head and tail signals and the superposition times n.
Optionally, the plates on the cooling bed are sequentially coded i times, wherein i is equal to the sum of the number m of the head and tail signals and the superposition times n.
Optionally, each of the codes is different from each other.
The invention also provides a plate coding auxiliary device which is used for implementing the plate coding method and comprises a thickness gauge and head and tail sensors, wherein the head and tail sensors are used for acquiring head and tail signals of the plate, and the thickness gauge is used for detecting the thickness of the plate.
Optionally, the plate coding auxiliary device further comprises a server for recording codes, and the server is connected with the thickness gauge and the head-tail sensor respectively.
Optionally, the thickness gauge is a laser thickness gauge.
As described above, the method for cooling a sheet up and down, the sheet coding method and the sheet coding auxiliary device according to the present invention have the following advantages: the method for detecting the running direction and the thickness change of the steel plate by overlapping the head and the tail of the adjacent plates enables the plate groups cut by the mother plate with the length exceeding the width of the cooling bed to pass through the cooling bed in the same batch, does not need to pass in batches, can be matched with the rolling speed of a rolling mill, does not need to reduce the rolling speed, realizes the one-to-one correspondence of the overlapped steel plate data and the material object, and ensures the production efficiency of a production line.
Drawings
Fig. 1 is a schematic structural diagram of a plate material coding auxiliary device in an embodiment of the present invention.
Description of reference numerals: the plate comprises a plate 1, a cooling bed 2, a thickness gauge 3, a head and tail sensor 4 and a server 5.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated. The structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are for understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and are not essential to the art, and any structural modifications, changes in proportions, or adjustments in size, which do not affect the efficacy and attainment of the same are intended to fall within the scope of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The embodiment provides a method for passing a plate through a cooling bed, which comprises the following steps:
s1, cutting the mother board in the length direction of the mother board to obtain a board group, wherein the length of the mother board is greater than the width of the cooling bed;
s2, when the plate group is on the upper cooling bed and/or the lower cooling bed, at least one pair of adjacent plates in the plate group are overlapped end to end, and the length of the plate group is smaller than or equal to the width of the cooling bed.
In this embodiment, the plate is a steel plate, and the length of the mother plate is greater than the width of the cooling bed. Because the length of the mother plate is larger than the width of the cooling bed, the size of the plate group obtained by shearing is still larger than the width of the cooling bed. In the embodiment, the length of the plate group is reduced by the method of overlapping the heads and the tails of the adjacent plates in the same plate group, so that the steel plates in the plate group can pass through the cooling bed together without batch passing, the passing speed of the cooling bed is matched with the rolling speed of the rolling mill, the rolling speed of the rolling mill is not required to be reduced, and the production efficiency of a production line is ensured.
At present, a head-tail sensor is usually arranged on a cooling bed to detect a steel plate on the cooling bed. According to the head and tail signals of the head and tail sensors, the steel plates can be coded so as to count and track the number of the steel plates. When two adjacent steel plates pass through the head-tail sensor after being superposed, the existing head-tail sensor can only obtain a head-tail signal, so that the difference exists between the number of codes and the actual number of the steel plates. Therefore, the present embodiment further provides a method for encoding a plate, including the following steps:
s01, cutting the mother board in the length direction of the mother board, wherein the boards obtained by cutting the mother board are board groups;
s02, when the plate group passes through the cooling bed, at least one pair of adjacent plates in the plate group are overlapped end to end, so that the length of the plate group is smaller than the width of the cooling bed;
carrying out head-tail sensing on the plate on the cooling bed to obtain head-tail signals of the plate;
s03, presetting a thickness threshold value of the plate, wherein the number of times that the thickness of the plate exceeds the thickness threshold value between the head signal and the tail signal is the stacking number n;
and S04, acquiring the superposition times n, and coding the plate on the cooling bed according to the head and tail signal number m and the superposition times n.
And detecting the thickness of the plate, determining that the superposition condition exists when the thickness of the plate exceeds a preset thickness threshold value, obtaining the number of the steel plates passing through the cooling bed according to the superposition times n and the head and tail signal number m, and correspondingly coding.
Specifically, in this embodiment, when a shift passes through the cooling bed, i times of encoding are sequentially performed on the plates on the cooling bed, where i is equal to the sum of the number m of the head and tail signals and the number n of the superposition times.
In this embodiment, the codes are different from each other and are unique codes. Because the codes are not repeated, the codes of all the steel plates are unique, and then the steel plates can be traced and traced through the codes.
As shown in fig. 1, the present embodiment further provides an auxiliary device for encoding a sheet material 1, which is used for implementing the above-mentioned method for encoding a sheet material 1, and includes a thickness gauge 3 and a head-tail sensor 4. Thickness gauge 3 and head and tail sensor 4. Respectively arranged corresponding to the cooling beds 2. The head and tail sensor 4 is used for acquiring head and tail signals of the plate 1, and the thickness gauge 3 is used for detecting the thickness of the plate 1. Specifically, the plate coding auxiliary device further comprises a server 5 for recording codes, and the server 5 is connected with the thickness gauge 3 and the head and tail sensors 4 respectively. In this embodiment, the thickness gauge 3 is a laser thickness gauge 3, and the laser thickness gauge 3 has a simple structure and high reliability.
In summary, the method for passing a sheet through a cooling bed, the sheet coding method and the sheet coding auxiliary device according to the embodiment can detect the running direction and thickness variation of a steel sheet by overlapping the adjacent sheets end to end, so that a sheet group cut by a mother plate with a length exceeding the width of the cooling bed can pass through the cooling bed in the same batch, does not need to pass through the cooling bed in batches, can be matched with the rolling speed of a rolling mill, does not need to reduce the rolling speed, realizes the one-to-one correspondence between overlapped steel sheet data and real objects, and ensures the production efficiency of a production line.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. A method for cooling a plate up and down is characterized by comprising the following steps:
cutting the mother board in the length direction of the mother board to obtain a plate group;
when the plate group is arranged on the cooling bed and/or the lower cooling bed, at least one pair of adjacent plates in the plate group are overlapped end to end, so that the length of the plate group is smaller than or equal to the width of the cooling bed.
2. The method of claim 1, wherein the method further comprises the steps of: the length of the mother plate is larger than the width of the cooling bed.
3. A coding method of a plate is characterized by comprising the following steps:
cutting the mother board in the length direction of the mother board, wherein the plate obtained by cutting the mother board is a plate group, and the length of the mother board is greater than the width of the cooling bed;
when the plate group is placed on a cooling bed and/or a lower cooling bed, at least one pair of adjacent plates in the plate group are overlapped end to end, so that the length of the plate group is smaller than the width of the cooling bed;
carrying out head and tail detection on the plate to obtain head and tail signals of the plate;
presetting a thickness threshold value of the plate, wherein the times that the thickness of the plate exceeds the thickness threshold value between the head signal and the tail signal is the stacking times n;
and acquiring the superposition times n, and coding the plate on the cooling bed according to the number m of the head and tail signals and the superposition times n.
4. A method of coding a sheet according to claim 3, characterized in that: and sequentially coding the plate for i times, wherein i is equal to the sum of the number m of the head and tail signals and the superposition times n.
5. A method of coding a sheet according to claim 3, characterized in that: the codes are different from each other.
6. A panel coding auxiliary device is characterized in that: the plate coding method for implementing any one of claims 2 to 4, comprising a thickness gauge and a head and tail sensor, wherein the head and tail sensor is used for acquiring head and tail signals of the plate, and the thickness gauge is used for detecting the thickness of the plate.
7. The sheet coding aid of claim 6, wherein: the thickness gauge comprises a server for recording codes, and the server is connected with the thickness gauge and the head-tail sensor respectively.
8. The sheet coding aid of claim 7, wherein: the thickness gauge is a laser thickness gauge.
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| CN202111663562.0A CN114309093B (en) | 2021-12-30 | 2021-12-30 | Method for cooling plate up and down, plate coding method and plate coding auxiliary device |
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| CN202111663562.0A CN114309093B (en) | 2021-12-30 | 2021-12-30 | Method for cooling plate up and down, plate coding method and plate coding auxiliary device |
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