Cutting equipment for hot coil slitting

By introducing a spray cooling component and a cleaning brush into the hot coil slitting and cutting equipment, the problem of uneven blade cooling was solved, achieving efficient and uniform cooling and cleaning effects, extending the blade's service life, and improving cutting accuracy and efficiency.

CN223916779UActive Publication Date: 2026-02-17SHANDONG HUAXINGYUAN MATERIALS TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520620198.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-02-17
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

In existing hot-rolled coil slitting and cutting equipment, uneven cooling of the blades prevents the coolant from adhering effectively, affecting the cooling effect and service life of the blades.

Method used

The design incorporates a spray cooling component and a cleaning brush. The spray cooling component sprays coolant as a water mist onto the blade surface, increasing the contact area between the coolant and the blade. The cleaning brush removes adhering debris as the blade rotates, ensuring both cooling effectiveness and cutting quality.

Benefits of technology

It achieves uniform cooling of the blade, extends the blade's lifespan, and improves cutting efficiency and precision, while avoiding coolant splashing and the influence of debris.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides cutting equipment for hot coil slitting, which relates to the technical field of hot coil cutting and comprises a bottom plate, two vertical plates are fixedly connected to the upper surface of the bottom plate, two rotating rollers are rotatably connected between the two vertical plates, a plurality of blades are mounted on the rotating rollers, and two transverse plates are fixedly connected between the two vertical plates. The two transverse plates are located on the upper and lower sides of the rotating roller. According to the blade cooling device, the spraying cooling assembly is arranged and sprays the cooling liquid near the blade in a water mist shape, the contact area of the cooling liquid and the blade is greatly increased, when mist-shaped small liquid drops meet the high-temperature blade, the vaporization speed is higher, more heat can be taken away, efficient cooling is achieved, and rapid cooling of the blade is facilitated.
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Description

Technical Field

[0001] This utility model belongs to the field of hot coil cutting technology, and in particular relates to a cutting device for hot coil slitting. Background Technology

[0002] Hot-rolled coil slitting is a metal processing technology that cuts hot-rolled coils into strips of a specific width. The slitting machine is the core equipment in hot-rolled coil slitting, mainly composed of a frame, cutter shaft, transmission system, and control system. The cutter shaft is equipped with multiple cutting blades, and different widths of slitting are achieved by adjusting the spacing between the blades. The transmission system provides cutting power to the blades, while the control system regulates and monitors the equipment's operation, ensuring the accuracy and efficiency of slitting.

[0003] When a slitting machine is in use, it continuously rubs against the steel plate during cutting, requiring the blade to be cooled. Currently, the blade is usually cooled by spraying coolant. However, when the blade rotates at high speed, the coolant may not adhere well to the blade due to centrifugal force and other factors, resulting in uneven cooling and some parts may not be adequately cooled. Utility Model Content

[0004] To address the aforementioned problems, this invention proposes a cutting device for hot-rolled coil slitting, which more accurately solves the problems described above.

[0005] This utility model is achieved through the following technical solution:

[0006] This utility model proposes a cutting device for hot rolling slitting, including a base plate, two vertical plates fixedly connected to the upper surface of the base plate, two rotating rollers rotatably connected between the two vertical plates, and multiple blades installed on each rotating roller. Two horizontal plates are fixedly connected between the two vertical plates, and the two horizontal plates are located on the upper and lower sides of the rotating rollers. Multiple spray cooling components are provided on the horizontal plates, and the spray cooling components correspond to the blades.

[0007] In one example, the outer side of the rotating roller is provided with multiple grooves, and multiple sliding blocks are slidably connected in each groove. The outer side of each sliding block is fixedly connected with a mounting ring, which is fixedly connected to the blade. All the sliding blocks are threaded with bolts that penetrate through the sliding blocks.

[0008] In one example, the horizontal plate is provided with square through slots. The spray cooling component includes a sliding seat, which is slidably connected to the horizontal plate. A water tank is fixedly connected to the sliding seat. The water tank is provided with a connector. The lower surface of the water tank is connected to a vertical pipe. The vertical pipe passes through the sliding seat. One end of each of the two vertical pipes is connected to a spray nozzle. The spray nozzle is located on both sides of the blade.

[0009] In one example, a support plate is fixedly connected to one side of the water tank, and a screw is threaded onto the support plate, with the screw penetrating through the support plate.

[0010] In one example, a mounting plate is fixedly connected to one side of the sliding seat, a fixed frame is fixedly connected to the lower surface of the mounting plate, a through groove is provided on the lower surface of the fixed frame, two movable blocks are slidably connected in the groove, vertical rods are fixedly connected to the lower surface of each movable block, and fixed plates are fixedly connected to the lower ends of each vertical rod. The two fixed plates are located on both sides of the blade, and a cleaning brush is provided on the opposite side of each fixed plate.

[0011] In one example, the fixed frame sidewall is rotatably connected to a threaded rod, and the upper surfaces of the two movable blocks are fixedly connected to vertical plates. The threaded rod is provided with two sets of opposite threaded grooves, and the threaded rod passes through the two vertical plates and is threadedly connected to the vertical plates.

[0012] The cutting equipment for hot-rolled coil slitting proposed in this utility model can bring the following beneficial effects:

[0013] Firstly, by setting up a spray cooling component, the coolant is sprayed in the form of a water mist onto the vicinity of the blade. The mist-like coolant can cover the blade surface more evenly, greatly increasing the contact area between the coolant and the blade. When the mist-like droplets encounter the high-temperature blade, they vaporize faster and can carry away more heat, achieving efficient cooling. This is beneficial for the rapid cooling of the blade, extending the blade's service life, and at the same time, it prevents the liquid coolant from being thrown out by the rotating blade.

[0014] Secondly, by setting up an installation plate and a cleaning brush, when the blade is cutting the hot coil, the threaded rod is rotated to control the fixing plate to approach the blade, and the cleaning brush contacts the blade. When the blade rotates, the cleaning brush cleans the blade to prevent cutting chips and other debris from adhering to the blade and affecting the cutting of the hot coil. Since the coolant is sprayed out in a mist, the cleaning effect on the debris on the blade is reduced compared to the coolant flushing. By adding a cleaning brush, the cleaning effect is increased. Attached Figure Description

[0015] The accompanying drawings, which are provided to further illustrate the present invention and constitute a part of the present invention, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.

[0016] In the attached diagram:

[0017] Figure 1 This is a schematic diagram of the structure of this utility model.

[0018] Figure 2 This is a schematic diagram of the structure of the spray cooling component of this utility model.

[0019] Figure 3 This is a schematic diagram of the sliding seat and blade of this utility model.

[0020] Figure 4 This is a schematic diagram of the structure of the movable base of this utility model.

[0021] In the diagram: 1. Base plate; 2. Vertical plate; 3. Rotating roller; 4. Blade; 5. Horizontal plate; 6. Spray cooling assembly; 61. Sliding seat; 62. Water tank; 63. Vertical pipe; 64. Spray nozzle; 7. Sliding block; 8. Mounting ring; 9. Bolt; 10. Support plate; 11. Screw; 12. Mounting plate; 13. Fixed frame; 14. Moving block; 15. Vertical rod; 16. Fixed plate; 17. Threaded rod; 18. Vertical plate. Detailed Implementation

[0022] To more clearly illustrate the overall concept of this utility model, a detailed description will be provided below with reference to the accompanying drawings.

[0023] like Figures 1-4 As shown in the figure, an embodiment of this utility model proposes a cutting device for hot coil slitting, including a base plate 1, two vertical plates 2 fixedly connected to the upper surface of the base plate 1, two rotating rollers 3 rotatably connected between the two vertical plates 2, and multiple blades 4 mounted on each rotating roller 3. Two horizontal plates 5 are fixedly connected between the two vertical plates 2, located on the upper and lower sides of the rotating rollers 3. Multiple spray cooling components 6 are provided on the horizontal plates 5, corresponding to the blades 4. In use, the hot coil passes between the two upper and lower opposite blades 4 and is slit by the blades 4. During use, the spray cooling components 6 spray coolant in the form of water mist onto the vicinity of the blades 4. The mist-like coolant can more evenly cover the surface of the blades 4, greatly increasing the contact area between the coolant and the blades 4. When the mist-like droplets encounter the high-temperature blades 4, they vaporize faster and can carry away more heat, achieving efficient cooling. This is beneficial for the rapid cooling of the blades 4, extending the service life of the blades 4, and at the same time, it avoids the liquid coolant being thrown out by the rotating blades 4, causing splashing and waste.

[0024] like Figure 2 , Figure 3 and Figure 4As shown, the outer side of the rotating roller 3 is provided with multiple sliding grooves, and multiple sliding blocks 7 are slidably connected in each groove. An installation ring 8 is fixedly connected to the outer side of each sliding block 7, and the installation ring 8 is fixedly connected to the blade 4. All sliding blocks 7 are threaded with bolts 9, which penetrate the sliding blocks 7. The horizontal plate 5 is provided with square through slots. The spray cooling assembly 6 includes a sliding seat 61, which is slidably connected to the horizontal plate 5. A water tank 62 is fixedly connected to the sliding seat 61. The water tank 62 has a connector, and the lower surface of the water tank 62 is connected to a vertical pipe 63. The vertical pipe 63 penetrates the sliding seat 61, and one end of each of the two vertical pipes 63 is connected to a spray nozzle 64. The spray nozzles 64 are located on both sides of the blade 4. A support plate 10 is fixedly connected to one side of the water tank 62, and a screw 11 is threadedly connected to the support plate 10, penetrating the support plate 10. In use, pushing the blade 4 adjusts the spacing between all the blades 4. After adjusting the spacing of the blades 4, the bolts 9 on the sliding block 7 are rotated sequentially to fix the sliding block 7 and the blades 4. This allows the device to cut the same hot roll into steel strips of different widths at the same time, making the cutting of the hot roll more flexible and increasing the range of applications of the device. When the blades 4 move to adjust the spacing, the sliding seat 61 is pushed to move the spray cooling component 6 synchronously. After the movement is completed, the screw 11 is rotated to fix the water tank 62, so that the spray nozzles 64 are located on both sides of the blades 4. When cooling, the coolant is injected into the water tank 62 through the connector. The water tank 62 is equipped with a water pump, which is connected to the vertical pipe 63. The water pump draws the coolant and sprays it out through the spray nozzles 64. The mist-like coolant cools the blades 4 and improves the cooling effect. The spray nozzles 64 are located on the upper and lower parts of the blades 4 on the two rotating rollers 3, so that the hot roll will not touch the nozzles and avoid interference.

[0025] like Figure 4As shown, a mounting plate 12 is fixedly connected to one side of the sliding seat 61. A fixing frame 13 is fixedly connected to the lower surface of the mounting plate 12. A through groove is provided on the lower surface of the fixing frame 13. Two moving blocks 14 are slidably connected in the groove. Vertical rods 15 are fixedly connected to the lower surface of each moving block 14. A fixing plate 16 is fixedly connected to the lower end of each vertical rod 15. The two fixing plates 16 are located on both sides of the blade 4. A cleaning brush is provided on the opposite side of each fixing plate 16. A threaded rod 17 is rotatably connected to the side wall of the fixing frame 13. An upright plate 18 is fixedly connected to the upper surface of each of the two moving blocks 14. The threaded rod 17 has two sets of opposite threaded grooves. The threaded rod 17 passes through the two upright plates 18 and is threadedly connected to the upright plates 18. The sliding seat 61 moves with the blade 4, and the fixing plate 16 moves with the sliding seat 61. The fixing plate 16 is always located on the blade. Initially, the fixing plate 16 is a certain distance away from the blade 4 on both sides of 4, and the cleaning brush does not contact the blade 4. Only when the blade 4 is in use and cutting the hot coil is the threaded rod 17 rotated to control the fixing plate 16 to move closer to the blade 4, and the cleaning brush contacts the blade 4. When the blade 4 rotates, the cleaning brush cleans the blade 4 to prevent cutting chips and other debris from adhering to the blade 4, which would affect the cutting of the hot coil. Since the coolant is sprayed out in a mist, the cleaning effect on the debris on the blade 4 is reduced compared to the coolant flushing. By adding a cleaning brush, the cleaning effect is increased. Due to the different widths of the hot coil, some blades 4 do not cut the hot coil during cutting, but will rotate with the rotating roller 3. At this time, the threaded rod 17 is rotated to control the cleaning brush away from the blade 4 to avoid unnecessary wear and tear, and at the same time, the water pump in the corresponding water tank 62 is turned off.

[0026] Working principle: When in use, pushing the blade 4 allows adjustment of the spacing between all the blades 4. After adjusting the spacing of the blades 4, rotating the bolts 9 on the sliding block 7 in sequence fixes the sliding block 7 and the blades 4. Initially, the fixing plate 16 is a certain distance away from the blades 4, and the cleaning brush does not contact the blades 4. Only when the blades 4 are in use and cutting hot coils, rotating the threaded rod 17 controls the fixing plate 16 to move closer to the blades 4, and the cleaning brush contacts the blades 4. When the blades 4 rotate, the cleaning brush cleans the blades 4.

[0027] The various embodiments in this specification are described in a progressive manner. Similar or identical parts between embodiments can be referred to interchangeably. Each embodiment focuses on describing the differences from other embodiments. In particular, the system embodiments are basically similar to the method embodiments, so the description is relatively simple; relevant parts can be referred to the descriptions in the method embodiments.

[0028] The above description is merely an embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.

Claims

1. A cutting apparatus for hot coil slitting, characterized by, The utility model provides a kind of cutting machine, including bottom plate (1), the upper surface of bottom plate (1) is fixedly connected two vertical plate (2), two vertical plate (2) are rotatably connected two rotating rollers (3), rotating roller (3) is all installed with multiple blades (4), two vertical plate (2) are fixedly connected two horizontal plate (5), two horizontal plate (5) are located rotating roller (3) upper and lower sides, multiple spray cooling assemblies (6) are equipped on the horizontal plate (5), and the spray cooling assembly (6) corresponds with blade (4).

2. The cutting apparatus for slitting a hot coil according to claim 1, wherein The outer side of rotating roller (3) is equipped with multiple chutes, multiple sliding blocks (7) are slidably connected in the chute, the outer side of sliding block (7) is fixedly connected with mounting ring (8), mounting ring (8) is fixedly connected with blade (4), all the sliding blocks (7) are all threadedly connected with bolt (9), and bolt (9) penetrates sliding block (7).

3. The cutting apparatus for slitting a hot coil according to claim 1, wherein The horizontal plate (5) is equipped with square through slot, and the spray cooling assembly (6) includes sliding seat (61), and the sliding seat (61) is slidably connected with the horizontal plate (5), and the sliding seat (61) is fixedly connected with water tank (62), and the water tank (62) is equipped with connector, and the lower surface of water tank (62) is communicated with vertical pipe (63), and the vertical pipe (63) penetrates sliding seat (61), and one end of two vertical pipes (63) is communicated with spray nozzle (64), and the spray nozzle (64) is located at the two sides of blade (4).

4. The cutting apparatus for slitting a hot coil according to claim 3, wherein The side of water tank (62) is fixedly connected with supporting plate (10), and screw (11) is threadedly connected with supporting plate (10).

5. The cutting apparatus for slitting a hot coil according to claim 3, wherein The side of sliding seat (61) is fixedly connected with mounting plate (12), and the lower surface of mounting plate (12) is fixedly connected with fixed frame (13), and the lower surface of fixed frame (13) is equipped with through sliding slot, and two moving blocks (14) are slidably connected in the sliding slot, and the lower surface of moving block (14) is fixedly connected with vertical rod (15), and the lower end of vertical rod (15) is fixedly connected with fixed plate (16), and two fixed plates (16) are located at the two sides of blade (4), and the opposite side of fixed plate (16) is provided with cleaning brush.

6. The cutting apparatus for slitting a hot coil according to claim 5, wherein The side wall of fixed frame (13) is rotatably connected with threaded rod (17), and the upper surface of two moving blocks (14) is fixedly connected with vertical plate (18), and the threaded rod (17) is equipped with two sets of opposite screw grooves, and threaded rod (17) penetrates two vertical plates (18) and is threadedly connected with vertical plate (18).