Cutting processing production line for scrap steel tail coil

Abstract

The cutting processing production line of the scrap steel tail coil, provided by the embodiment of the invention, comprises a preparation station, a packaging station, a cutting station and a flattening station which are sequentially arranged along the line, and comprises a scrap steel tail coil storage device for temporarily storing the scrap steel tail coil to be cut and processed; the packing device is used for bundling the scrap steel tail coil to be cut and processed through at least one packing belt; the pressing device is used for pressing the scrap steel tail coil in the cutting process; the cutting device is used for cutting the to-be-cut scrap steel tail coil in the compressed state to obtain at least two scrap steel small coils; the flattening device is used for flattening the obtained small scrap steel coils to obtain scrap steel finished products; and the transferring device is used for transferring the scrap steel tail coil to be cut and processed from the scrap steel tail coil storage device to the packaging device, transferring the bundled scrap steel tail coil to be cut and processed from the packaging device to the cutting device, and transferring the scrap steel small coil from the cutting device to the flattening device.

Description

Technical Field

[0001] The invention relates to the technical field of scrap steel processing, and in particular to a cutting and processing production line for scrap steel tail rolls. Background Art

[0002] In the production line where the hot-rolled steel coils are cold-rolled, some of the cores of the hot-rolled coils cannot meet the requirements of cold rolling and will be cut off the line to become scrap steel tail coils. There are also other production lines that produce similar scrap steel tail coils. The length of this type of scrap steel tail coil may be greater than the maximum scrap steel length specified by the steelmaking furnace, and must be processed into small-sized scrap steel before entering the furnace.

[0003] However, scrap steel tail rolls are different from other types of scrap steel and cannot be processed by simple cutting methods, such as cutting along the axis of the scrap steel tail rolls. Otherwise, they will not only break into pieces of stacked steel plates and cannot be further cut, but also cause safety accidents at the moment of the final bounce. Therefore, it is urgent to provide a safe and reliable scrap steel tail roll cutting production line to safely, reliably and quickly cut the overlong scrap steel tail rolls into appropriate lengths. Summary of the invention

[0004] The present invention provides a scrap steel tail coil cutting and processing production line to solve the technical problem in the related art that a safe and reliable scrap steel tail coil cutting and processing production line is urgently needed to safely, reliably and quickly cut overlong scrap steel tail coils into appropriate lengths.

[0005] The present invention provides a production line for cutting and processing scrap steel tail rolls, the production line for cutting and processing scrap steel tail rolls comprises a preparation station, a packaging station, a cutting station and a flattening station arranged in sequence along the line, the production line for cutting and processing scrap steel tail rolls comprises: a scrap steel tail roll storage device, which is arranged at the preparation station, for temporarily storing the scrap steel tail rolls to be cut and processed; a packaging device, which is arranged at the packaging station, for bundling the scrap steel tail rolls to be cut and processed through at least one packaging belt; a pressing device, which is arranged at the cutting station, for pressing the bundled scrap steel tail rolls to be cut and processed before cutting The scrap steel tail rolls to be cut are compressed during the process; a cutting device is arranged at the cutting station, and is used to cut the scrap steel tail rolls to be cut in a compressed state to obtain at least two scrap steel small rolls; a flattening device is arranged at the flattening station, and is used to flatten the obtained scrap steel small rolls to obtain scrap steel finished products; a transferring device is used to transfer the scrap steel tail rolls to be cut from the scrap steel tail roll storage device to the packaging device, transfer the bundled scrap steel tail rolls to be cut from the packaging device to the cutting device, and transfer the scrap steel small rolls from the cutting device to the flattening device.

[0006] In one embodiment of the present invention, the clamping device includes an outer clamping roller and an inner clamping roller. The outer clamping roller is placed on the outside of the scrap steel tail roll, and the inner clamping roller is placed on the inside of the scrap steel tail roll. The outer clamping roller and the inner clamping roller clamp the interlayer strip steel of the tail roll under the action of the clamping mechanism, and roll on the inner and outer surfaces of the scrap steel tail roll when the scrap steel tail roll rotates to ensure the smooth progress of subsequent cutting.

[0007] In one embodiment of the present invention, the cutting device includes: a cutting station support for placing the bundled scrap steel tail rolls to be cut and processed; a steel coil rotation unit for controlling the bundled scrap steel tail rolls to be cut and processed to rotate at a preset speed on the cutting station support; and a cutting robot for performing multiple cuts on the scrap steel tail rolls to be cut and processed in a compressed state according to a preset cutting interval.

[0008] In one embodiment of the present invention, the cutting robot is a flame cutting robot, which includes a heating oxygen flow control unit, a heating gas flow control unit, and a slag blowing oxygen flow control unit. The heating oxygen flow control unit and the heating gas flow control unit control the flow of heating oxygen and the flow of heating gas to control the heating temperature of the cutting point on the bundled scrap steel tail roll to be cut. The slag blowing oxygen flow control unit controls the flow of slag blowing oxygen to control the cutting speed of the cutting point on the scrap steel tail roll to be cut in a compacted state.

[0009] In one embodiment of the present invention, the cutting device further comprises a temperature measuring unit for measuring the current heating temperature of the cutting point. If the current heating temperature is greater than a preset target temperature, the slag blowing oxygen flow control unit is controlled to start releasing slag blowing oxygen.

[0010] In one embodiment of the present invention, the flattening device includes an upper hydraulic head, two side hydraulic heads and a hydraulic system intelligent driving unit. The hydraulic system intelligent driving unit controls the upper hydraulic head to perform an extrusion operation on the scrap steel roll from above, so that the scrap steel roll is in an upward concave state. Then, the hydraulic system intelligent driving unit controls the upper hydraulic head and the two side hydraulic heads to extrude the scrap steel roll in an upward concave state from above and both sides until the scrap steel roll is in an M shape, thereby completing the flattening process of the scrap steel roll to obtain a scrap steel product.

[0011] In one embodiment of the present invention, the transfer device is an overhead crane and an object gripping unit cooperating with the overhead crane.

[0012] In one embodiment of the present invention, the transfer device is a stepping trolley and an object gripping unit cooperating with the stepping trolley.

[0013] In one embodiment of the present invention, the transfer device is also used to transfer the scrap steel products from the flattening station to a storage warehouse.

[0014] In one embodiment of the present invention, the cutting and processing production line of the scrap steel tail rolls also includes a machine vision unit and a determination unit; the machine vision unit is used to capture a first image of the scrap steel tail rolls to be cut and processed, and to capture a second image of the scrap steel tail rolls to be cut and processed after being bundled; the determination unit is used to determine one or more bundling positions on the scrap steel tail rolls to be cut and processed based on the first image and a preset spacing distance, and to determine one or more cutting points on the scrap steel tail rolls to be cut and processed after being bundled based on the second image and a preset cutting spacing, and sends the bundling position to the packaging device, and sends the cutting position of the cutting point to the cutting device.

[0015] Beneficial effects of the embodiments of the present invention: the present invention proposes a scrap steel tail roll cutting and processing production line, which has a scrap steel tail roll storage device located at a preparation station, a packing device located at a packing station, a cutting device and a pressing device located at a cutting station, and a flattening device located at a flattening station arranged in sequence along the line. The scrap steel tail roll cutting and processing production line can temporarily store, strap, cut and flatten the scrap steel tail rolls in turn, can realize automated, safe and reliable scrap steel tail roll cutting and processing, can safely cut overly long scrap steel tail rolls into appropriate lengths, avoid the occurrence of safety accidents, and realize rapid and safe processing and production of scrap steel tail rolls. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention is a schematic structural diagram of a production line for cutting and processing scrap steel tail coils provided in one embodiment of the present invention. DETAILED DESCRIPTION

[0017] The following describes the embodiments of the present invention by specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0018] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention, and thus the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0019] In the following description, numerous details are discussed to provide a more thorough explanation of the embodiments of the present invention. However, it is obvious to those skilled in the art that the embodiments of the present invention can be implemented without these specific details. In other embodiments, well-known structures and devices are shown in the form of block diagrams rather than in detail to avoid making the embodiments of the present invention difficult to understand.

[0020] See also Figure 1 , Figure 1 This is a schematic diagram of a structure of a cutting and processing production line for scrap steel tail coils provided by an embodiment of the present invention, with reference to Figure 1 The scrap steel tail roll cutting processing production line 100 includes a preparation station, a packaging station, a cutting station and a flattening station arranged in sequence along the line. The scrap steel tail roll cutting processing production line 100 includes: a scrap steel tail roll storage device 1, which is arranged at the preparation station, and is used to temporarily store the scrap steel tail rolls to be cut and processed; a packaging device 2, which is arranged at the packaging station, and is used to bundle the scrap steel tail rolls to be cut and processed through at least one packaging belt; a pressing device 3, which is arranged at the cutting station, and is used to press the bundled scrap steel tail rolls to be cut and processed during the cutting process. It can ensure the smooth progress of flame cutting; the cutting device 4 is arranged at the cutting station, and is used to cut the scrap steel tail roll to be cut in a compacted state to obtain at least two scrap steel small rolls; the flattening device 5 is arranged at the flattening station, and is used to flatten the obtained scrap steel small rolls to obtain scrap steel finished products; the transferring device 6 is used to transfer the scrap steel tail roll to be cut from the scrap steel tail roll storage device to the packaging device, transfer the bundled scrap steel tail roll to be cut from the packaging device to the cutting device, and transfer the scrap steel small roll from the cutting device to the flattening device.

[0021] In this technical solution, through the scrap steel tail roll storage device located at the preparation station, the packing device located at the packing station, the cutting device located at the cutting station and the flattening device located at the flattening station which are sequentially arranged along the production line, the scrap steel tail roll cutting and processing production line can successively temporarily store, strap, cut and flatten the scrap steel tail rolls, can realize automated, safe and reliable scrap steel tail roll cutting and processing, can safely cut overly long scrap steel tail rolls into appropriate lengths, avoid the occurrence of safety accidents, and realize rapid and safe processing and production of scrap steel tail rolls.

[0022] As an example, each workstation is provided with a corresponding bracket to support and store the corresponding scrap steel tail coil material, and the movement of the steel coil between the supports is achieved by overhead crane lifting, stepping trolley, etc.

[0023] In actual application, multiple production lines can reuse the same transfer device under the premise that the transportation efficiency can be met. For example, a transfer device is set between two production lines to save production costs by reusing the transfer device. Alternatively, two transfer devices are set between two production lines, and the two transfer devices can cross-transport related materials, thus avoiding the shutdown of the production line caused by the failure of any of the transfer devices.

[0024] As an example, the clamping device can be set to make the distance between each strip after clamping smaller than a preset gap threshold, which can be 1 / 10 of the strip thickness or other values ​​set by those skilled in the art. The clamping device is in the cutting station, first clamping, then cutting, and is in the clamping state throughout the cutting process. When the transfer device transfers the bundled scrap tail roll to be cut from the packaging device to the cutting device, the scrap tail roll to be cut is also placed between the outer clamping roller and the inner clamping roller of the clamping device.

[0025] In one embodiment, the packaging device includes an automatic packaging robot for packaging the scrap steel tail rolls to be cut and processed in multiple passes according to a preset interval distance through one or more packaging tapes. The scrap steel tail rolls to be cut and processed are often required to be cut into multiple parts. The number of parts to be cut can be determined according to a pre-set rule, and then the number of packaging tapes required and the position of each packaging tape can be determined based on the number of parts. The packaging tapes can then be tied at the corresponding position by the automatic packaging robot. The automatic packaging robot can automatically pick up the packaging tapes and tie them at a suitable tying position. The automatic packaging robot can support the tying of multiple packaging tapes at one time, or it can tie the packaging tapes one by one.

[0026] In one embodiment, the clamping device includes an outer clamping roller and an inner clamping roller. The outer clamping roller is placed on the outside of the scrap steel tail roll, and the inner clamping roller is placed on the inside of the scrap steel tail roll. The outer clamping roller and the inner clamping roller clamp the interlayer strip steel of the tail roll under the action of a clamping mechanism (such as a mechanical mechanism, a hydraulic mechanism, a pneumatic mechanism, etc.), and roll on the inner and outer surfaces of the scrap steel tail roll when the scrap steel tail roll rotates to ensure the smooth progress of subsequent flame cutting.

[0027] In one embodiment, the scrap steel tail coil storage device is provided with a steel coil storage support for holding the scrap steel tail coil to be cut and processed, and a weight sensor may be provided on the steel coil storage support to weigh the weight of the scrap steel tail coil to be cut and processed. In addition, a machine vision device may be provided on the scrap steel tail coil storage device to measure the initial length of the scrap steel tail coil to be cut and processed, so as to calculate and plan the relevant data such as the number of cuts and the like in the subsequent processing.

[0028] In one embodiment, the cutting device includes: a cutting station support for placing the bundled scrap steel tail rolls to be cut; a steel coil rotating unit for controlling the bundled scrap steel tail rolls to be cut to rotate at a preset speed on the cutting station support; a cutting robot for performing multiple cuts on the scrap steel tail rolls to be cut in a compressed state according to a preset cutting interval. The preset speed can be a speed pre-set by a technician in this field, or it can be determined by comprehensive evaluation based on data such as the flow rate of heating oxygen and the flow rate of heating gas in the following embodiments. The steel coil rotating unit can make the scrap steel tail rolls to be cut automatically rotate when being flame cut, without the need for the cutting gun head of the flame cutting robot to move, thereby improving the safety of the implementation of the solution.

[0029] As an example, the cutting station is equipped with an intelligent steel coil rotation system, which adopts variable frequency speed regulation technology and corresponding drive device, so that the tail coil of scrap steel can be rotated on the cutting station support at the speed required by the process.

[0030] Following the above embodiment, the cutting robot is a flame cutting robot, which includes a heating oxygen flow control unit, a heating gas flow control unit, and a slag blowing oxygen flow control unit. The heating oxygen flow control unit and the heating gas flow control unit control the flow of heating oxygen and the flow of heating gas to control the heating temperature of the cutting point on the scrap steel tail roll to be cut in a compacted state. The slag blowing oxygen flow control unit controls the flow of slag blowing oxygen to control the cutting speed of the cutting point on the bundled scrap steel tail roll to be cut. Through the above control unit, the gas flow can be adjusted in time according to the cutting effect, and the cutting efficiency and gas usage can be balanced by controlling the gas flow, thereby balancing the contradiction between the cutting result and the cost.

[0031] Following the above embodiment, the cutting device further includes a temperature measuring unit for measuring the current heating temperature of the cutting point. If the current heating temperature is greater than the preset target temperature, the slag blowing oxygen flow control unit is controlled to start releasing slag blowing oxygen. The temperature measurement unit can be used to measure the temperature of the heating point, and then cutting can be performed in time when the temperature reaches the standard, further avoiding waste of resources.

[0032] As an example, the cutting station is equipped with an automatic flame cutting robot that can perform multiple cuts on the scrap steel tail coil at a specified distance. The automatic flame cutting robot is equipped with automatic flow control systems such as heating oxygen, heating gas, slag blowing oxygen, and corresponding equipment and instruments; the automatic flame cutting robot is equipped with a cutting point temperature control system, which uses a high-temperature optical thermometer to detect the temperature of the cutting point, and uses automatic flow control systems such as heating oxygen, heating gas, slag blowing oxygen, etc. to control the heating power, thereby realizing intelligent control of the cutting point temperature; it is also equipped with an automatic cutting control system to coordinate the intelligent steel coil rotation intelligent control system and the cutting point temperature intelligent control system to achieve the purpose of optimized cutting.

[0033] For example, during the cutting process, the middle point between two adjacent strapping tapes on the scrap steel tail roll to be processed is determined by machine vision recognition, and the middle point is determined as the position to be cut; the position to be cut is heated by a flame cutting torch; when the heated temperature of the position to be cut reaches the preset target temperature, the flame cutting is performed at the position to be cut by the flame cutting torch; during the flame cutting process, the scrap steel tail roll to be processed is rotated so that the scrap steel tail roll to be processed and the flame cutting torch move relative to each other until the flame cutting slit is connected to form a circle on the scrap steel tail roll to be processed. When the flame cutting slit is connected to form a circle on the scrap steel tail roll to be processed, it means that the cutting is completed at this position.

[0034] As an example, the preset target temperature can be determined by the material of the scrap steel tail coil to be processed. Different materials have different melting points. Then, the preset additional temperature (such as 100° C.) is increased on the basis of the melting point to obtain the preset target temperature.

[0035] In one embodiment, the flattening device includes an upper hydraulic head, a lower hydraulic head and a hydraulic system intelligent drive unit, and the upper hydraulic head and the lower hydraulic head are controlled by the hydraulic system intelligent drive unit to flatten the scrap steel coil placed between the upper hydraulic head and the lower hydraulic head. The specific degree of flattening can be set by those skilled in the art as needed and is not limited here.

[0036] As an example, the flattening station is equipped with upper and lower hydraulic heads, which are driven by an intelligent hydraulic system to flatten several small rolls of scrap steel after cutting according to process requirements.

[0037] In another embodiment, the flattening device includes an upper hydraulic head, two side hydraulic heads and a hydraulic system intelligent driving unit. The hydraulic system intelligent driving unit controls the upper hydraulic head to perform an extrusion operation on the scrap steel roll from above, so that the scrap steel roll is in an upward concave state. Then, the hydraulic system intelligent driving unit controls the upper hydraulic head and the two side hydraulic heads to extrude the scrap steel roll in an upward concave state from above and both sides until the scrap steel roll is in an M shape, thereby completing the flattening process of the scrap steel roll to obtain a finished scrap steel product.

[0038] It can be understood that the scrap steel roll is supported from the bottom, and it can be supported by one or more supporting parts, and then it is squeezed by the upper hydraulic head set above the scrap steel roll (it can be located directly above the middle part or not), at which time a depression will appear above the scrap steel roll, and then the two side hydraulic heads and the upper hydraulic head set at both ends of the scrap steel roll are synchronously squeezed, so that the scrap steel roll is stressed on the top and both sides, and then presents an M shape. This shape is only an example of a shape, and it does not limit the shape after squeezing to a symmetrical shape to complete the flattening operation. Since the scrap steel tail roll may be elastic and will rebound after simple flattening, this type of flattening operation can avoid the subsequent rebound problem of the scrap steel roll as much as possible.

[0039] Since there are still some safety hazards in the form of steel coils during transportation, they can be squeezed by hydraulic tools and other tools to obtain scrap steel products to avoid the danger caused by the steel coils spreading out. The degree of squeezing can be set by technicians in this field as needed, and can be determined according to the weight, material, length, etc. of the scrap steel coils.

[0040] In one embodiment, the transfer device is a crane and an object gripping unit that cooperates with the crane. For example, the crane can be used to lift and transfer related materials, thereby improving transportation efficiency.

[0041] In another embodiment, the transfer device is a stepping trolley (such as a stepping motor trolley) and an object gripping unit that cooperates with the stepping trolley. In this way, the transfer of related materials can be achieved by moving the trolley.

[0042] In one embodiment, the transfer device is also used to transfer the scrap steel products from the flattening station to the storage warehouse. After the scrap steel products are off the production line, they can be stored in the corresponding storage warehouse for subsequent use.

[0043] In one embodiment, the cutting and processing production line for scrap steel tail rolls also includes a machine vision unit and a determination unit; the machine vision unit is used to capture a first image of the scrap steel tail rolls to be cut and processed, and to capture a second image of the scrap steel tail rolls to be cut and processed after being bundled; the determination unit is used to determine one or more bundling positions on the scrap steel tail rolls to be cut and processed based on the first image and a preset spacing distance, and to determine one or more cutting points on the scrap steel tail rolls to be cut and processed after being bundled based on the second image and a preset cutting spacing, and sends the bundling position to the packaging device, and sends the cutting position of the cutting point to the cutting device.

[0044] The bundling position and the cutting position may be determined by pre-determined position rules, such as taking one end of the scrap steel tail roll to be cut as the starting point, and then using the distance along the length direction as a position identification method, so that other subsequent machines can know how to determine the relative coordinate system and complete the determination of the relevant positions.

[0045] Since the scrap steel tail roll will be scattered after cutting, it needs to be re-bundled before cutting to ensure that the scrap steel small roll will not be scattered after cutting. Therefore, it is necessary to determine the required number of strapping tapes and the strapping position of the strapping tape in advance, and bundle it in advance before cutting to ensure that the steel roll will not be scattered after cutting.

[0046] In one embodiment, the method for determining the number of bundling positions includes: if the initial length of the tail coil of scrap steel to be cut and processed is an integer multiple of the target processing length, the quotient of the initial length and the target processing length is determined as the number of bundling positions; if the initial length is not an integer multiple of the target processing length, the integer value of the quotient of the initial length and the target processing length is determined, and the new value obtained by adding 1 to the integer value is determined as the number of bundling positions. For example, if the initial length is 5 meters and the target processing length is 1 meter, then the number of bundling positions is 5; for another example, if the initial length is 5.1 meters and the target processing length is 1 meter, then the number of bundling positions is 6. The number of strapping tapes is the same as the number of bundling positions. As an example, at this time, the actual processing length can be recalculated based on the number of bundling positions 6 to replace the initial target processing length, and subsequent processing can be performed.

[0047] In one embodiment, if the initial length is not an integer multiple of the target processing length, an integer number of first-type strapping tapes and one second-type strapping tape are used to strap the tail roll of the scrap steel to be processed by the first-type strapping tape and the second-type strapping tape, wherein the strapping position of the second-type strapping tape is close to one end of the tail roll of the scrap steel to be processed. The second-type strapping tape can be close to any end set by a person skilled in the art, which is not limited here.

[0048] The second type and the first type are different types of strapping tapes, and the two can be distinguished from each other in at least one dimension of color, material, pattern, width, etc., so that technicians in this field can distinguish them.

[0049] It can be understood that if the initial length of the tail roll of scrap steel to be processed is just an integer multiple of the target processing length, then the tail roll of scrap steel to be processed can be evenly divided and can be cut in a normal cutting manner. However, the initial length of the tail roll of scrap steel to be processed is often not an integer multiple of the target processing length. In this case, there will be a small roll of scrap steel whose weight and length are significantly smaller than other small rolls of scrap steel, which is not conducive to subsequent reuse. It may lead to feeding ratio problems due to the lack of attention to the differences between the small rolls of scrap steel during subsequent feeding. To address this problem, the two situations can be distinguished during the planning of the strapping tape. Then, for the small rolls of scrap steel whose length is less than the target processing length, another type of strapping tape is used for bundling in order to distinguish them.

[0050] As an example, the bundling position can be determined by determining the position of the target processing length from the starting bundling position as the bundling position of a bundling belt, and the starting bundling position is the position of half the target processing length from one end of the scrap steel tail roll to be processed. This position determination method can further ensure that the bundling belt is in the middle of the scrap steel roll after subsequent cutting.

[0051] Following the above embodiment, if there is at least one strapping position that is the same as the original position of the original strapping position of the scrap steel tail roll to be processed, or the position error between the original position of the original strapping position of the scrap steel tail roll to be processed and the strapping position of any strapping position is less than a preset error threshold (such as less than 1 cm, etc.), the original strapping position is used as the available strapping position, and the strapping position of the strapping position is removed, and the strapping is no longer repeated, and the original strapping position can be directly used. In addition, the number of strapping positions can also be reduced accordingly according to the number of available original strapping positions.

[0052] The specific strapping method is not limited here and can be implemented in a manner known to those skilled in the art. When there are strapping tapes of different types, they can be arranged according to the position arrangement rules of different types of strapping tapes provided in the aforementioned embodiments. When the original strapping tape can be reused, the strapping operation at the location of the original strapping tape can be omitted. As an example, when reusing the original strapping tape, the integrity of the original strapping tape can be verified by machine vision (for example, taking an image of the original strapping tape that needs to be reused for one week, and performing image feature extraction to obtain the original image feature, and comparing the original image feature with the pre-extracted damaged image feature of the strapping tape. If the comparison fails, it means that the original strapping tape is intact, otherwise it is considered that the original strapping tape is damaged). If the original strapping tape is intact and there is no damage, the original strapping tape can be reused. If there is damage, the new strapping tape is still strapped at the corresponding strapping position.

[0053] As another example, after the bundling position and cutting position are determined, labels can be set on the scrap steel tail roll by spraying, attaching, etc. to mark the position, and subsequent devices only need to identify the corresponding label to know the corresponding position.

[0054] In one embodiment, the cutting and processing production line of the scrap steel tail roll also includes a host computer, which is used to obtain the attribute information of the scrap steel tail roll to be cut and processed, wherein the attribute information includes an initial length and a target processing length. The initial length can be understood as the distance between the two end faces of the scrap steel tail roll. The target processing length is the length set by those skilled in the art, and can be set according to the maximum scrap steel length specified by the steelmaking furnace, and the target processing length is less than the maximum scrap steel length. Different target processing lengths can also be set for scrap steel tail rolls of different materials. The target processing length can also be a value determined based on a preset processing length interval and an initial length. For example, if the initial length is 5 meters and the preset processing length interval is 1 meter to 1.2 meters, the target processing length can be determined to be 1 meter, so that the scrap steel tail roll to be processed can be cut into 5 parts. For another example, if the initial length is 5.5 meters and the preset processing length interval is 1 meter to 1.2 meters, the target processing length can be determined to be 1.1 meters, so that the scrap steel tail roll to be processed can be cut into 5 parts.

[0055] In one embodiment, the attribute information may also include data such as the weight and material of the scrap steel tail coil for subsequent processing. For example, based on the material, its melting point can be known, which facilitates the determination of the preset target temperature for subsequent heating during flame cutting. Knowing its weight can estimate the amount of scrap steel tail coil that can be added to the steelmaking furnace later, which facilitates production planning. The weight can be obtained by transferring the scrap steel tail coil to be processed to the load-bearing device through the transfer device in advance and weighing it.

[0056] As an example, the attribute information can be determined by the production line from which the tail coil of scrap steel to be processed comes, or by other methods known to those skilled in the art, which are not limited here.

[0057] In one embodiment, the transfer device can also be used to transfer the scrap steel products to a corresponding target storage warehouse according to the type of the strapping tape on the scrap steel products.

[0058] As an example, for the convenience of management, the production line also includes an identification attaching device for attaching a corresponding identification label to each scrap steel product. The identification label can be made of a material that does not affect the secondary utilization of the scrap steel, and represents the material, weight, length and other information of the scrap steel product.

[0059] If the strapping tapes on the scrap steel products are of the same strapping tape type, then this batch of scrap steel products will be transported to the same target storage warehouse. However, as mentioned in the example provided in the above embodiment, there may be scrap steel products with at least two types of strapping tapes. In this case, the target storage warehouses corresponding to the different strapping tape types can be pre-set, and then the corresponding storage can be done. Multiple target storage warehouses can be physically separated or different storage areas in the same storage space. In this way, the appropriate scrap steel products can be selected for use as needed.

[0060] The following is an exemplary description of the production line provided above with a specific embodiment. The processing process can be realized by intelligent flame cutting. Specifically, the weight, width, material, length of the scrap steel after processing and other attribute data of the scrap steel tail roll (attribute information of the scrap steel tail roll to be cut and processed) are input into the HMI (Human Machine Interface) of the flame cutting and processing intelligent production line of the scrap steel tail roll; the scrap steel tail roll to be cut and processed is transferred to the steel coil support of the packaging station; the scrap steel tail roll is tied with multiple strapping tapes by an automatic packaging robot, and the number of strapping tapes (the number of strapping positions) is the same as the number of small roll segments required after cutting. Taking the initial length as an integer multiple of the target processing length as an example, the distance between the first strapping tape and the last strapping tape and the edge of the scrap steel tail roll is half of the required length of the small roll after cutting (i.e. the length of the scrap steel after processing, the target processing length), and the distance between the two strapping tapes is the length of the small roll after cutting (the target processing length); the scrap steel tail roll to be cut and processed is moved to the cutting station support of the cutting station; a cutting robot is used to move multiple flame cutting torches to the upper surface of the scrap steel tail roll, and align them with the middle point of every two strapping tapes; the flame cutting torch is turned on to heat the oxygen and fuel gas, ignited, and the middle point of the two strapping tapes is heated; an optical The pyrometer detects the temperature of the heating point. When the temperature is higher than the melting point by about 100°C (that is, the preset target temperature is reached), the slag blowing oxygen of the flame cutting torch is turned on for flame cutting, and the scrap steel tail coil is rotated to achieve relative movement with the flame cutting torch to achieve the purpose of cutting, until the cut seam is connected on the scrap steel tail coil to form a circle, and the scrap steel tail coil is cut into more than two small scrap steel coils; the scrap steel tail coil is moved to the steel coil support of the flattening station, and the upper and lower hydraulic heads are used to flatten the small scrap steel coils to form scrap steel products; the scrap steel products are moved out of the steel coil support of the scrap steel coil processing line flattening station and enter the storage warehouse (corresponding to the target storage warehouse).

[0061] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A scrap steel tail coil cutting and processing production line, characterized in that: The scrap steel tail coil cutting and processing production line includes a preparation station, a packaging station, a cutting station and a flattening station arranged in sequence along the line. The scrap steel tail coil cutting and processing production line includes: A scrap steel tail roll storage device is provided at the preparation station and is used to temporarily store the scrap steel tail rolls to be cut and processed; A packing device, arranged at the packing station, for packing the scrap steel tail rolls to be cut and processed by at least one packing belt; A pressing device is provided at the cutting station and is used to press the bundled scrap steel tail rolls to be cut during the cutting process; A cutting device is provided at the cutting station and is used to cut the scrap steel tail roll to be cut in a compacted state to obtain at least two scrap steel small rolls; A flattening device is provided at the flattening station, and is used to flatten the obtained scrap steel coils to obtain scrap steel finished products; A transfer device is used to transfer the scrap steel tail rolls to be cut and processed from the scrap steel tail roll storage device to the packaging device, transfer the bundled scrap steel tail rolls to be cut and processed from the packaging device to the cutting device, and transfer the small scrap steel rolls from the cutting device to the flattening device.

2. The scrap steel tail coil cutting and processing production line according to claim 1, characterized in that: The clamping device includes an outer clamping roller and an inner clamping roller. The outer clamping roller is placed outside the scrap steel tail roll, and the inner clamping roller is placed inside the scrap steel tail roll. The outer clamping roller and the inner clamping roller clamp the interlayer strip steel of the tail roll under the action of the clamping mechanism, and roll on the inner and outer surfaces of the scrap steel tail roll when the scrap steel tail roll rotates to ensure smooth subsequent cutting.

3. The scrap steel tail coil cutting and processing production line according to claim 1, characterized in that: The cutting device comprises: The cutting station support is used to place the bundled scrap steel tail rolls to be cut; A steel coil rotating unit, used to control the bundled scrap steel tail coil to be cut and processed to rotate at a preset speed on the cutting station support; The cutting robot is used to perform multiple cuts on the scrap steel tail coil to be cut in a compacted state according to a preset cutting interval.

4. The scrap steel tail coil cutting and processing production line according to claim 3, characterized in that: The cutting robot is a flame cutting robot, which includes a heating oxygen flow control unit, a heating fuel gas flow control unit, and a slag blowing oxygen flow control unit. The heating oxygen flow control unit and the heating fuel gas flow control unit control the flow rates of heating oxygen and heating fuel gas to control the heating temperature of the cutting point on the bundled scrap steel tail roll to be cut. The slag blowing oxygen flow control unit controls the flow rate of slag blowing oxygen to control the cutting speed of the cutting point on the scrap steel tail roll to be cut in a compacted state.

5. The scrap steel tail coil cutting and processing production line according to claim 4, characterized in that: The cutting device further comprises a temperature measuring unit for measuring the current heating temperature of the cutting point. If the current heating temperature is greater than a preset target temperature, the slag blowing oxygen flow control unit is controlled to start releasing slag blowing oxygen.

6. The scrap steel tail coil cutting production line according to any one of claims 1 to 5, characterized in that: The flattening device includes an upper hydraulic head, two side hydraulic heads and a hydraulic system intelligent driving unit. The hydraulic system intelligent driving unit controls the upper hydraulic head to squeeze the scrap steel roll from above, so that the scrap steel roll is in an upward concave state. Then, the hydraulic system intelligent driving unit controls the upper hydraulic head and the two side hydraulic heads to squeeze the scrap steel roll in the upward concave state from above and both sides until the scrap steel roll is in an M shape, thereby completing the flattening process of the scrap steel roll to obtain a scrap steel product.

7. The scrap steel tail coil cutting and processing production line according to any one of claims 1 to 5, characterized in that: The transfer device is a crown crane and an object gripping unit cooperating with the crown crane.

8. The scrap steel tail coil cutting production line according to any one of claims 1 to 5, characterized in that: The transfer device is a stepping trolley and an object clamping unit matched with the stepping trolley.

9. The scrap steel tail coil cutting production line according to any one of claims 1 to 5, characterized in that: The transfer device is also used to transfer the scrap steel products from the flattening station to a storage warehouse.

10. The scrap steel tail coil cutting production line according to any one of claims 1 to 5, characterized in that: The scrap steel tail coil cutting processing production line also includes a machine vision unit and a determination unit; The machine vision unit is used to collect a first image of the scrap steel tail roll to be cut and processed, and is used to collect a second image of the bundled scrap steel tail roll to be cut and processed; The determination unit is used to determine one or more bundling positions on the scrap steel tail roll to be cut based on the first image and a preset spacing distance, and to determine one or more cutting points on the bundled scrap steel tail roll to be cut based on the second image and a preset cutting spacing, and to send the bundling positions to the packaging device, and to send the cutting positions of the cutting points to the cutting device.

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