Flying shear system for steel rolling

Abstract

The invention relates to the technical field of metallurgy, in particular to a steel rolling flying shear system which comprises a first head cutting flying shear, a second head cutting flying shear, a third head cutting flying shear and a fourth head cutting flying shear, and steel rolling flying shear devices are arranged in the first head cutting flying shear, the second head cutting flying shear, the third head cutting flying shear and the fourth head cutting flying shear respectively. By arranging a flying shear system composed of a first head cutting flying shear, a second head cutting flying shear, a third head cutting flying shear and a fourth head cutting flying shear, bar steel in the machining process of the rough rolling device, the intermediate rolling device, the pre-finish rolling device and the finish rolling device can be cut, and meanwhile waste is recycled.

Description

Technical Field

[0001] The invention relates to the technical field of metallurgy, and in particular to a flying shear system for steel rolling. Background Art

[0002] Flying shears are also called double-length flying shears. In fact, they are important equipment for shearing metal billets. They are highly integrated with the bar production process. In the metallurgical process, the steel billets produced need to be formed through continuous rolling. However, during the rolling process of the steel billets on the rolling mill, it is easy for the head and tail of the steel billets to crack, deform or become uneven, resulting in accumulation of steel billets that need to be rolled, causing steel piling accidents. Therefore, flying shears are needed to cut the heads and tails of the steel billets.

[0003] The steel removed by the flying shear has undergone previous processes, and its mechanical strength and overall performance actually meet the production needs. It’s just that there are defects in its external structure. Therefore, directly discarding it will inevitably cause a waste of resources. It can only be reused after tempering and heating treatment and then undergoing the steel rolling process again.

[0004] Most of the current waste recycling devices are funnel-shaped structures, which can collect waste. However, due to the requirements of the process, the length of some of the cut scrap steel can reach 10cm or even 20cm. Its overall weight is large, and if it falls directly vertically into the recycling device, it will cause a significant impact, which will affect the continued use of the recycling device. Summary of the invention

[0005] In view of the above problems, the present invention provides a flying shear system for steel rolling.

[0006] The adopted technical scheme is a steel rolling flying shear system, comprising a first crop flying shear, a second crop flying shear, a third crop flying shear and a fourth crop flying shear, wherein the first crop flying shear, the second crop flying shear, the third crop flying shear and the fourth crop flying shear are all provided with a steel rolling flying shear device, and a waste recovery device is provided below the steel rolling flying shear device; The first crop flying shear is arranged between the rough rolling device and the first preheating device; The second crop flying shear is arranged between the preheating device and the intermediate rolling device; The third crop flying shear is arranged between the cooling device and the pre-finishing rolling device, and the cooling device is arranged after the intermediate rolling device; The fourth crop flying shear is arranged between the first preheating device and the finishing rolling device, and the first preheating device is arranged after the pre-finishing rolling device.

[0007] Optionally, the waste recycling device includes a feeding structure and a recycling trolley, wherein the recycling trolley is arranged below the feeding structure, wherein the feeding structure is arranged on one side of the steel rolling shear device, a feeding port is arranged on the top of the feeding structure, and the waste discharged from the steel rolling shear device can enter the feeding port and be discharged after changing direction from the discharge port at the bottom of the feeding structure.

[0008] Optionally, the material discharging structure includes a feeding part, a collecting part and a material discharging part; The feed port is arranged at the top of the feed part; The bottom of the feeding part is connected with the collecting part; The bottom of the material collecting part is connected to the material discharging part, and the size of the material collecting part decreases from top to bottom; The unloading portion is arranged to be inclined downward.

[0009] Optionally, the feeding part has a square structure.

[0010] Optionally, the material collecting part is in a truncated cone structure, and the large end is connected to the bottom of the feeding part, and the feeding part is connected to the outer peripheral surface of the material collecting part.

[0011] Optionally, the inclination angle between the unloading portion and the horizontal plane is 10° to 30°.

[0012] Optionally, a recycling bin is provided in the recycling vehicle, and a shock absorbing mechanism is provided in the recycling bin.

[0013] Optionally, the shock absorbing mechanism includes a shock absorbing pad and a partition, the partition is arranged at an angle and divides the recovery bin into two cavities, and the shock absorbing pad is filled in the cavity below the partition.

[0014] The benefits of the present invention include: 1. By setting up a flying shear system consisting of the first crop flying shear, the second crop flying shear, the third crop flying shear and the fourth crop flying shear, the steel bars in the rough rolling device, the intermediate rolling device, the pre-finishing rolling device and the finishing rolling device can be cut respectively, and the waste can be recovered at the same time.

[0015] 2. By setting up a waste recovery device that can change the direction of waste, the waste that originally fell vertically is changed to fall downward at an angle, which reduces the impact of the waste on the recycling material vehicle, reduces its maintenance frequency, and increases its life.

[0016] 3. The present waste recycling devices are mostly of funnel-shaped structures, which can collect waste materials. However, due to the requirements of the process, the length of some of the cut scrap steel can reach 10 cm or even 20 cm. The overall weight is large, and if it falls directly vertically into the recycling device, it will cause obvious impact, which will affect the continuous use of the recycling device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a flying shear system for steel rolling; Figure 2 It is a schematic diagram of the structure of the waste recycling device; Figure 3 This is a schematic diagram of the structure of the waste recycling device from another perspective; Figure 4 It is a schematic diagram of the blanking structure; Figure 5 This is a schematic diagram of the internal structure of the recycling material truck.

[0018] Wherein the figure marks are: 2 is a steel bar, 3 is an inclined surface, 4 is a material discharge structure, 5 is a recycling material car, 6 is a feeding port, 7 is a steel rolling flying shear device, 8 is a flying shear, 9 is a feeding part, 10 is a gathering part, 11 is a material discharge part, 12 is a partition, 13 is a recycling material bin, 14 is a shock-absorbing pad, 15 is a rough rolling device, 16 is a first preheating device, 17 is an intermediate rolling device, 18 is a cooling device, 19 is a pre-finishing rolling device, 20 is a first preheating device, 21 is a finishing rolling device, 22 is a first head cutting flying shear, 23 is a second head cutting flying shear, 24 is a third head cutting flying shear, and 25 is a fourth head cutting flying shear. DETAILED DESCRIPTION

[0019] The following describes the implementation of the present invention through specific examples. 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 implementations, 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.

[0020] It should be noted that the illustrations provided in the following embodiments are only used to schematically illustrate 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.

[0021] like Figure 1 As shown, a steel rolling flying shear system comprises a first head-cutting flying shear 22, a second head-cutting flying shear 23, a third head-cutting flying shear 24 and a fourth head-cutting flying shear 25, wherein the first head-cutting flying shear 22, the second head-cutting flying shear 23, the third head-cutting flying shear 24 and the fourth head-cutting flying shear 25 are all provided with a steel rolling flying shear device 7, and a waste recovery device is provided below the steel rolling flying shear device 7; The first crop flying shear 22 is arranged between the rough rolling device 15 and the first preheating device 16; The second crop flying shear 23 is arranged between the preheating device 16 and the intermediate rolling device 17; The third crop flying shear 24 is arranged between the cooling device 18 and the pre-finishing rolling device 19, and the cooling device 18 is arranged after the intermediate rolling device 17; The fourth cropping flying shear 25 is disposed between the first preheating device 20 and the finishing rolling device 21 , and the first preheating device 20 is disposed after the pre-finishing rolling device 19 .

[0022] The purpose of this design is that by setting up a flying shear system consisting of a first head crop flying shear, a second head crop flying shear, a third head crop flying shear and a fourth head crop flying shear, the steel bars in the processing of the rough rolling device, the intermediate rolling device, the pre-finishing rolling device and the finishing rolling device can be cut and recycled at the same time.

[0023] like Figures 2 to 4 As shown, the waste recycling device includes a feeding structure 4 and a recycling trolley 5, and the recycling trolley 5 is arranged below the feeding structure 4. It is characterized in that the feeding structure 4 is arranged on one side of the steel rolling shear device 7, and a feeding port 6 is arranged on the top of the feeding structure 4, and the waste discharged from the steel rolling shear device can enter the feeding port 6 and be discharged after changing direction from the discharge port at the bottom of the feeding structure 4.

[0024] The purpose of this design is to change the original vertical fall of waste into an inclined downward fall by setting a waste recovery device that can change the direction of waste, thereby reducing the impact of waste on the recovery vehicle, reducing its maintenance frequency, and increasing its life. This solves the problem that most of the current waste recovery devices are funnel-shaped structures, which can collect waste, but due to the requirements of the process, the length of some of the disassembled and cut scrap steel can reach 10cm or even 20cm, and its overall weight is large. If it falls directly vertically into the recovery device, it will cause a significant impact, which will affect the continuous use of the recovery device.

[0025] In actual use, the steel bar 2 passes through the steel rolling shear device 7, and the flying shear 8 is controlled by a set program to shear the end and tail of the steel bar. The sheared waste will move downward along the inclined surface 3 of the steel rolling shear device and fall into the feed port 6.

[0026] In this embodiment, the material discharging structure 4 includes a feeding part 9, a collecting part 10 and a discharging part 11; The feed port 6 is arranged at the top of the feed part 9; The bottom of the feeding part 9 is connected to the collecting part 10; The bottom of the material collecting part 10 is connected to the material discharging part 11, and the size of the material collecting part 10 decreases from top to bottom; The unloading portion 11 is arranged to be inclined downward.

[0027] The purpose of such a design is to collect the falling waste through the set feeding part, gather the waste in the feeding part through the set collecting part, and then change its conveying direction through the unloading part to discharge it at an inclined angle.

[0028] In this embodiment, the structures of the feeding part, the collecting part and the unloading part are provided respectively.

[0029] Among them, the feeding part 9 is a square structure, the gathering part 10 is a truncated cone structure, and the big end is connected to the bottom of the feeding part 9, the discharge part 11 is connected to the outer peripheral surface of the gathering part 10, and the inclination angle of the discharge part 11 to the horizontal plane is 10° to 30°.

[0030] It should be pointed out that, in addition to the frustum structure mentioned above, other structures with a larger top and a smaller bottom and tightened on both sides may also be selected for the shape of the aggregate portion.

[0031] like Figure 5 As shown, in this embodiment, a recycling bin 13 is provided in the recycling material cart 5, and a shock absorbing mechanism is provided in the recycling material bin 13, the shock absorbing mechanism includes a shock absorbing pad 14 and a partition 12, the partition 12 is tilted and divides the recycling material bin 13 into two cavities, and the shock absorbing pad 14 is filled in the cavity below the partition 12.

[0032] The purpose of this design is, in addition to improving the material unloading structure, to reduce the potential energy of the unloading material by arranging partitions and shock-absorbing pads in the recycling material truck, and to transfer it to the shock-absorbing pads while the partitions can come into contact with the falling waste, thereby enhancing the protection.

[0033] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A flying shear system for steel rolling, characterized in that: The invention comprises a first cropping flying shear (22), a second cropping flying shear (23), a third cropping flying shear (24) and a fourth cropping flying shear (25), wherein the first cropping flying shear (22), the second cropping flying shear (23), the third cropping flying shear (24) and the fourth cropping flying shear (25) are all provided with a steel rolling flying shear device (7), and a waste material recovery device is provided below the steel rolling flying shear device (7); The first crop flying shear (22) is arranged between the rough rolling device (15) and the first preheating device (16); The second crop flying shear (23) is arranged between the preheating device (16) and the intermediate rolling device (17); The third crop flying shear (24) is arranged between the cooling device (18) and the pre-finishing rolling device (19), and the cooling device (18) is arranged behind the intermediate rolling device (17); The fourth cropping flying shear (25) is arranged between the first preheating device (20) and the finishing rolling device (21), and the first preheating device (20) is arranged behind the pre-finishing rolling device (19).

2. A flying shear system for steel rolling according to claim 1, characterized in that: The waste recycling device comprises a material discharging structure (4) and a recycling material cart (5), wherein the recycling material cart (5) is arranged below the material discharging structure (4), and the material discharging structure (4) is arranged on one side of a steel rolling shear device (7). A feed port (6) is arranged at the top of the material discharging structure (4), and waste discharged from the steel rolling shear device can enter the feed port (6) and be discharged from a discharge port at the bottom of the material discharging structure (4) after changing direction.

3. A flying shear system for steel rolling according to claim 1, characterized in that: The material discharging structure (4) comprises a feeding portion (9), a material collecting portion (10) and a material discharging portion (11); The feed port (6) is arranged at the top of the feed part (9); The bottom of the feeding part (9) is connected to the collecting part (10); The bottom of the material collecting portion (10) is connected to the material discharging portion (11), and the size of the material collecting portion (10) decreases from top to bottom; The unloading portion (11) is arranged to be inclined downward.

4. A flying shear system for steel rolling according to claim 3, characterized in that: The feeding portion (9) has a square structure.

5. A flying shear system for steel rolling according to claim 3, characterized in that: The material collecting portion (10) is in a truncated cone structure, and the large end is connected to the bottom of the material feeding portion (9), and the material discharge portion (11) is connected to the outer peripheral surface of the material collecting portion (10).

6. A flying shear system for steel rolling according to claim 3, characterized in that: The inclination angle between the unloading portion (11) and the horizontal plane is 10° to 30°.

7. A flying shear system for steel rolling according to claim 1, characterized in that: A recovery bin (13) is provided in the recovery material cart (5), and a shock absorbing mechanism is provided in the recovery material bin (13).

8. A flying shear system for steel rolling according to claim 7, characterized in that: The shock absorbing mechanism comprises a shock absorbing pad (14) and a partition (12); the partition (12) is arranged at an angle and divides the recovery bin (13) into two cavities; the shock absorbing pad (14) is filled in the cavity below the partition (12).

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