Device and method for solving scratches in guide groove of torsion triangular area of hot-rolled vertical coil narrow strip steel

Abstract

The invention discloses a device for solving scratches in a guide groove of a torsion triangular area of hot-rolled vertical coil narrow strip steel, which relates to the technical field of metallurgy, and comprises a guide roller group comprising two guide rollers symmetrically arranged in the guide groove of the triangular area, the two guide rollers are respectively positioned on the two sides of the guide groove of the triangular area, and the guide roller group comprises a plurality of guide rollers; the axes of the two guide rollers are parallel to the inner vertical face of the triangular area guide groove. The guide roller driving assembly is arranged in the triangular area guide groove and used for driving the two guide rollers to be close to or away from each other. The guide roller sets and the guide roller driving assemblies are arranged in the guide grooves, after strip steel enters any section of pinch roller on the downstream of the guide groove, the guide roller driving assemblies drive the guide rollers in the guide grooves in the triangular areas to move, the two guide rollers are made to be close to each other, and then the strip steel is limited through the guide rollers; the surface quality of the strip steel is prevented from being influenced by friction between the strip steel and the inner vertical surface of the guide groove.

Description

Technical Field

[0001] The invention relates to the technical field of metallurgy, in particular to a device and a method for solving scratches in guide grooves of torsion triangle zones of hot-rolled vertical coiled narrow strip steel. Background Art

[0002] The running track of hot rolled coiled strip in the guide groove of the torsion triangle area will change significantly according to the thickness of the strip. The track between the two pinch rollers in the guide groove of the torsion triangle area of ​​the strip with a thickness of 2.0mm or less is almost straight, and it is easier to control the surface quality of the strip. However, the track between the pinch rollers in the guide groove of the torsion triangle area of ​​the strip with a thickness of 4.0mm or more, especially the high-quality strip, is not stable and varies greatly, and friction with the guide groove often occurs. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the disadvantages of the prior art and provide a device and method for solving the scratches in the guide groove of the torsional triangle area of ​​hot-rolled vertical coiled narrow strip steel.

[0004] In order to solve the above technical problems, the technical solution of the present invention is as follows: A device for solving scratches in the guide groove of the twisting triangle area of ​​hot-rolled vertical coiled narrow strip steel, comprising: A guide roller group, comprising two guide rollers symmetrically arranged in the triangular area guide groove, the two guide rollers are respectively located on both sides of the triangular area guide groove, and the axes of the two guide rollers are parallel to the inner facade of the triangular area guide groove; The guide roller driving assembly is arranged in the triangular area guide groove and is used for driving the two guide rollers to move closer to or away from each other.

[0005] As a preferred solution to the device for solving the scratches in the torsional triangular area guide groove of hot-rolled narrow strip steel according to the present invention, wherein: in the initial state, the distance between the adjacent roller surfaces of the two guide rollers is smaller than the width of the triangular area guide groove, and the distance between the roller surface of any guide roller facing the other guide roller and the inner vertical surface of the adjacent triangular area guide groove is 3~8mm.

[0006] As a preferred solution to the device for solving the scratches in the guide groove of the torsional triangle area of ​​the hot-rolled narrow strip steel coil described in the present invention, the guide roller includes a side plate, a top plate fixedly arranged on the upper end of the side plate, a bottom plate fixedly arranged on the lower end of the side plate, and a roller rotatably arranged between the top plate and the bottom plate.

[0007] As a preferred solution to the device for solving scratches in the guide groove of the torsional triangle area of ​​hot-rolled narrow strip steel described in the present invention, the guide roller drive assembly includes a drive cylinder, and the output shaft of the drive cylinder is fixedly connected to the side plate of the corresponding guide roller.

[0008] As a preferred solution to the device for solving scratches in the guide groove of the torsional triangle area of ​​hot-rolled narrow strip steel according to the present invention, the guide roller drive assembly also includes a limiting roller group for limiting the moving direction of the output shaft of the driving cylinder, and the limiting roller group is provided with at least two groups, and is arranged in sequence along the moving direction of the output shaft of the driving cylinder, and each group of the limiting roller group includes two relatively arranged limiting rollers.

[0009] As a preferred solution to the device for solving scratches in the torsional triangular area guide groove of hot-rolled narrow strip steel according to the present invention, at least two groups of guide roller groups are arranged in any section of the triangular area guide groove, and at least two groups of guide roller groups are arranged equidistantly in sequence along the length direction of the triangular area guide groove.

[0010] The present invention also provides a method for solving scratches in the guide groove of the torsional triangle area of ​​the hot-rolled narrow strip steel, which is based on the device for solving scratches in the guide groove of the torsional triangle area of ​​the hot-rolled narrow strip steel according to any one of the above items, comprising: When the strip enters the pinch roller downstream of any section of the triangular zone guide groove, the guide roller driving assembly drives the guide roller in the triangular zone guide groove to move, so that the distance between the adjacent roller surfaces of the two guide rollers is reduced.

[0011] The beneficial effects of the present invention are: The present invention arranges a guide roller group and a guide roller driving assembly in the guide groove. When the strip enters the pinch roller downstream of any section of the guide groove, the guide roller driving assembly drives the guide rollers in the guide groove in the triangular area to move, so that the two guide rollers are close to each other, and then the strip is limited by the guide rollers to avoid friction between the strip and the vertical surface inside the guide groove, which affects the surface quality of the strip. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative labor.

[0013] Figure 1 A schematic diagram of the structure of a device provided by the present invention for solving scratches in the guide groove of the torsion triangle area of ​​hot-rolled vertically coiled narrow strip steel; Figure 2 A schematic diagram of the structure of the guide roller in the device for solving the scratching in the guide groove of the torsion triangle area of ​​the hot-rolled vertical coil narrow strip steel provided by the present invention; Among them: 1. Guide roller group; 2. Guide roller drive assembly; 3. Guide roller; 4. Side plate; 5. Top plate; 6. Bottom plate; 7. Roller; 8. Drive cylinder; 9. Limit roller group. DETAILED DESCRIPTION

[0014] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below according to specific implementation modes and in combination with the accompanying drawings.

[0015] Figure 1 A schematic diagram of the structure of a device for solving scratches in the guide groove of the twisting triangle area of ​​hot-rolled narrow strip provided in an embodiment of the present application. The device includes a guide roller group 1 and a guide roller drive assembly 2. When the strip is about to enter the guide groove of the triangle area, the guide roller drive assembly 2 can drive the guide roller group 1 to approach each other, and then limit the strip through the guide roller 3 to avoid friction between the strip and the vertical surface of the guide groove, thereby affecting the surface quality of the strip.

[0016] Specifically, the guide roller group 1 includes two guide rollers 3 arranged in the triangular area guide groove, the two guide rollers 3 are respectively located on both sides of the triangular area guide groove, and the axes of the two guide grooves are parallel to the inner vertical surface of the triangular area guide groove. Figure 2 Each guide roller 3 includes a side plate 4, a top plate 5 fixedly arranged at the upper end of the side plate 4, a bottom plate 6 fixedly arranged at the lower end of the side plate 4, and a roller 7 rotatably arranged between the top plate 5 and the bottom plate 6.

[0017] The guide roller driving assembly 2 is arranged in the triangular area guide groove, and is used to drive the two guide rollers 3 to move closer to or farther from each other. When the two guide rollers 3 move closer to each other, the two guide rollers 3 can limit and guide the strip steel in the triangular area guide groove, thereby avoiding friction between the strip steel and the inner surface of the triangular area guide groove, thereby eliminating scratches on the surface of the strip steel. Specifically, the guide roller driving assembly 2 includes a driving cylinder 8, and the output shaft of the driving cylinder 8 is connected to the corresponding guide roller 3. When the driving cylinder 8 is in operation, it can drive the guide roller 3 to move in the horizontal direction, thereby making the two guide rollers 3 move closer to or farther from each other.

[0018] Better, see Figure 1 The guide roller driving assembly 2 also includes a limiting roller group 9 for limiting the moving direction of the output shaft of the driving cylinder 8. For each driving cylinder 8, at least two limiting roller groups 9 are provided, and they are arranged in sequence along the moving direction of the output shaft of the driving cylinder 8. Each limiting roller group 9 includes two limiting rollers arranged opposite to each other. The output shaft of the driving cylinder 8 is limited and guided by the two limiting rollers to ensure that the guide roller 3 moves in a predetermined direction.

[0019] In this embodiment, two mounting grooves are symmetrically provided on the inner facades on both sides of the triangular area guide groove corresponding to the positions of the guide roller group 1. Two guide rollers 3 and a driving cylinder 8 connected to each guide roller 3 are respectively arranged in the two mounting grooves. In the initial state, the adjacent roller surfaces of the two guide rollers 3 slightly exceed the inner facades of the triangular area guide groove, that is, the distance between the adjacent roller surfaces of the two guide rollers 3 is less than the width of the triangular area guide groove. When the strip is about to enter the triangular area guide groove, the driving cylinder 8 drives the guide roller 3 to extend into the triangular area guide groove to limit and guide the strip.

[0020] Specifically, in the initial state, the distance between the roller surface of any guide roller 3 facing the other guide roller 3 and the inner vertical surface of the adjacent triangular area guide groove is 3-8 mm.

[0021] In this embodiment, there are four sections of guide grooves in the torsion triangle area, and both ends of each section of the guide groove are a set of pinch rollers. Two sets of guide roller groups 1 are arranged in each section of the guide groove, and the two sets of guide roller groups 1 are arranged in sequence along the length direction of the guide groove. In this way, the guide roller group 1 can ensure the limiting and guiding effect of the strip steel, and ensure that the strip steel will not contact the inner vertical surface of the guide groove during the entire process of passing through the guide groove.

[0022] The embodiment of the present application also provides a method for solving the scratches in the guide groove of the torsional triangle area of ​​the hot-rolled narrow coiled steel strip, and the method is based on the above-mentioned device for solving the scratches in the guide groove of the torsional triangle area of ​​the hot-rolled narrow coiled steel strip. The method specifically includes: When the strip enters the pinch roller downstream of any section of the triangular area guide groove, the guide roller 3 driving assembly 2 drives the guide roller 3 in the triangular area guide groove to move, so that the distance between the adjacent roller surfaces of the two guide rollers 3 is reduced.

[0023] Therefore, the technical solution of the present application arranges a guide roller group and a guide roller drive assembly in the guide groove. When the strip enters the clamping roller downstream of any section of the guide groove, the guide roller drive assembly drives the guide rollers in the triangular area guide groove to move, so that the two guide rollers are close to each other, and then the strip is limited by the guide rollers to avoid friction between the strip and the vertical surface inside the guide groove and affect the surface quality of the strip.

[0024] In addition to the above embodiments, the present invention may also have other implementation modes; any technical solutions formed by equivalent replacement or equivalent transformation shall fall within the protection scope required by the present invention.

Claims

1. A device for solving scratches in the guide groove of the torsion triangle area of ​​hot-rolled narrow strip steel, characterized in that: include: A guide roller group (1) comprises two guide rollers (3) symmetrically arranged in a triangular area guide groove, wherein the two guide rollers (3) are respectively located on both sides of the triangular area guide groove, and the axes of the two guide rollers (3) are parallel to the inner vertical surface of the triangular area guide groove; The guide roller driving assembly (2) is arranged in the triangular area guide groove and is used to drive the two guide rollers (3) to move closer to or farther from each other.

2. The device for solving the scratching in the guide groove of the torsion triangle area of ​​the hot rolled narrow strip steel according to claim 1 is characterized in that: In the initial state, the distance between adjacent roller surfaces of the two guide rollers (3) is smaller than the width of the triangular area guide groove, and the distance between the roller surface of any guide roller (3) facing the other guide roller (3) and the inner vertical surface of the adjacent triangular area guide groove is 3 to 8 mm.

3. The device for solving the scratching in the guide groove of the torsion triangle area of ​​the hot-rolled narrow strip steel according to claim 1 is characterized in that: The guide roller (3) comprises a side plate (4), a top plate (5) fixedly arranged at the upper end of the side plate (4), a bottom plate (6) fixedly arranged at the lower end of the side plate (4), and a roller (7) rotatably arranged between the top plate (5) and the bottom plate (6).

4. The device for solving the scratching in the guide groove of the torsion triangle area of ​​the hot-rolled narrow strip steel according to claim 3 is characterized in that: The guide roller driving assembly (2) comprises a driving cylinder (8), and the output shaft of the driving cylinder (8) is fixedly connected to the side plate (4) of the corresponding guide roller (3).

5. The device for solving the scratching in the guide groove of the twisting triangle area of ​​the hot rolled narrow strip steel according to claim 4 is characterized in that: The guide roller drive assembly (2) also includes a limiting roller group (9) for limiting the moving direction of the output shaft of the driving cylinder (8), and the limiting roller group (9) is provided with at least two groups, and is arranged in sequence along the moving direction of the output shaft of the driving cylinder (8), and each group of the limiting roller group (9) includes two limiting rollers arranged opposite to each other.

6. The device for solving the scratching in the guide groove of the torsion triangle area of ​​the hot rolled narrow strip steel according to claim 1 is characterized in that: At least two groups of guide roller groups (1) are arranged in any section of the triangular area guide groove, and at least two groups of guide roller groups (1) are arranged in sequence and at equal distances along the length direction of the triangular area guide groove.

7. A method for solving scratches in the guide groove of the torsional triangle area of ​​hot-rolled narrow strip steel, which is based on the device for solving scratches in the guide groove of the torsional triangle area of ​​hot-rolled narrow strip steel according to any one of claims 1 to 6, characterized in that: include: When the strip enters the pinch roller downstream of any section of the triangular zone guide groove, the guide roller driving assembly (2) drives the guide roller (3) in the triangular zone guide groove to move, thereby reducing the distance between adjacent roller surfaces of the two guide rollers (3).

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