CN213671124U

CN213671124U - Vertical roll in stainless steel processing technology

Info

Publication number: CN213671124U
Application number: CN202022566050.XU
Authority: CN
Inventors: 邓龙
Original assignee: Nanchang Hengyueqing Metal Material Co ltd
Current assignee: Nanchang Hengyueqing Metal Material Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-13
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a vertical roller in stainless steel processing technology, which comprises a vertical roller body section, a horizontal roller body section and an arc transition section, wherein the arc transition section is positioned between the vertical roller body section and the horizontal roller body section; the utility model discloses a set up the interior concave section and the convex section structure of right trapezoid structure at the vertical section bottom segment of roll body, in the suppression process, the slab receives interior concave section and convex section compressive deformation on width direction for the slab extends to length direction, reduces the extension on the panel width, makes the rolling in-process of panel several times in the front simultaneously, and produced mar is close to the slab edge as far as possible, thereby makes the slitter edge width finally very little, improves the lumber recovery of stainless steel.

Description

Vertical roll in stainless steel processing technology

Technical Field

The utility model relates to a steel pipe processing technology field, in particular to edger roll among stainless steel processing technology.

Background

The stainless steel has the characteristics of excellent performance, attractive appearance and the like, has wide application range, and plays an important role in the aspects of aerospace, petrochemical industry, ocean development, family civilian use and the like. The current stainless steel production process mainly comprises the following steps: steel making, continuous casting, hot rolling, raw material annealing and pickling, cold rolling, finished product annealing and pickling, finished product trimming, packaging and warehousing.

The side surface of a stainless steel continuous casting billet is not polished, vibration marks, wrinkles and the like exist on the surface, the surface is rough after being heated and oxidized at high temperature by a heating furnace, the stainless steel continuous casting billet is rolled by a vertical roller and a flat roller in multiple passes, generally 7 passes are rolled back and forth, a hot rolling coil with the thickness of 3-10 mm is rolled from a casting billet with the thickness of 220mm, the metal on the side surface is turned over to the surface of the strip steel after being thinned, plate edge scratches along the whole length of the two side parts of the strip steel are formed, the plate edge scratches cannot be eliminated after cold rolling, in order to ensure the surface quality of a cold-rolled finished product, the rough belt (the waste edge with the scratches) on the two sides of the general finished product is cut off and delivered, the width of the plate edge waste edge of the strip steel side directly influences.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vertical roll in stainless steel processing technology.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a vertical roller in a stainless steel processing technology comprises a roller body vertical section, a roller body horizontal section and an arc transition section, wherein the arc transition section is located between the roller body vertical section and the roller body horizontal section, an inner concave section and an outer convex section are further arranged at the position, close to the arc transition section, of the lower end of the roller body vertical section, the inner concave section is located above the outer convex section, an isosceles trapezoid shape is formed between the cross sections of the inner concave section and the outer convex section and a bus of the roller body vertical section, transition arcs I are arranged at four corners of the isosceles trapezoid formed by the inner concave section and the bus of the roller body vertical section, transition arcs II are arranged at four corners of the isosceles trapezoid formed by the outer convex section and the bus of the roller body vertical section, the depth of the inner concave section is 4-6mm, the height of the outer convex section is 2-4mm, the length of the lower bottom of the outer convex section is H1, and the length of the upper; the length of the lower bottom of the concave section is H3, and the length of the upper bottom of the concave section is H4; the thickness Y3 that the third pass rolling mill can press satisfies the dimensional relation: y3-4mm is more than H1 and more than Y3+4 mm; h1-8mm is more than H2 and more than H1-4 mm; y3-2mm < H3 < Y3+8 mm; h3-8mm < H4 < H3-4 mm.

Further, the radius of the first transition arc is 10 mm.

Further, the radius of the second transition arc is 5 mm.

To sum up, the utility model discloses following beneficial effect has: the utility model discloses a set up the interior concave section and the convex section structure of right trapezoid structure at the vertical section bottom segment of roll body, in the suppression process, the slab receives interior concave section and convex section compressive deformation on width direction for the slab extends to length direction, reduces the extension on the panel width, makes the rolling in-process of panel several times in the front simultaneously, and produced mar is close to the slab edge as far as possible, thereby makes the slitter edge width finally very little, improves the lumber recovery of stainless steel.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure, 1, a roller body vertical section; 2. a horizontal section of the roller body; 3. an inward concave section; 4. a convex section; 5. a busbar is vertically arranged on the roller body; 6. rolling a central line; 7. a circular arc transition section; 8. a first transition arc; 9. and a second transition arc.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows: as shown in figure 1, the vertical roller in the stainless steel processing technology comprises a roller body vertical section 1, a roller body horizontal section 2 and an arc transition section 7, wherein the arc transition section 7 is positioned between the roller body vertical section 1 and the roller body horizontal section 2, an inner concave section 3 and an outer convex section 4 are further arranged at the position, close to the arc transition section 7, of the lower end of the roller body vertical section 1, the inner concave section 3 is positioned above the outer convex section 4, an isosceles trapezoid shape is formed between the cross sections of the inner concave section 3 and the outer convex section 4 and a roller body vertical section bus bar 5, transition arc I8 is arranged at four corners of the isosceles trapezoid formed by the inner concave section 3 and the roller body vertical section bus bar 5, a transition arc II 9 is arranged on the isosceles trapezoid formed by the outer convex section 4 and the roller body vertical section bus bar 5, the depth of the inner concave section 3 is 4-6mm, and the height of the outer convex section 4 is 2-4mm, the length of the lower bottom of the convex section 4 is H1, and the length of the upper bottom is H2; the length of the lower bottom of the concave section 3 is H3, and the length of the upper bottom is H4; the thickness Y3 that the third pass rolling mill can press satisfies the dimensional relation: y3-4mm is more than H1 and more than Y3+4 mm; h1-8mm is more than H2 and more than H1-4 mm; y3-2mm < H3 < Y3+8 mm; h3-8mm < H4 < H3-4 mm.

Further, the radius of the first transition arc 8 is 10 mm.

Further, the radius of the second transition circular arc 9 is 5 mm.

Example two: a vertical roller in a stainless steel processing technology comprises a roller body vertical section 1, a roller body horizontal section 2 and an arc transition section 7, wherein the arc transition section 7 is positioned between the roller body vertical section 1 and the roller body horizontal section 2, an inner concave section 3 and an outer convex section 4 are further arranged at the position, close to the arc transition section 7, of the lower end of the roller body vertical section 1, the inner concave section 3 is positioned above the outer convex section 4, an isosceles trapezoid shape is formed between the cross sections of the inner concave section 3 and the outer convex section 4 and a roller body vertical section bus bar 5, transition arc I8 is arranged at four corners of the isosceles trapezoid formed by the inner concave section 3 and the roller body vertical section bus bar 5, transition arc II 9 is arranged at four corners of the isosceles trapezoid formed by the outer convex section 4 and the roller body vertical section bus bar 5, the depth of the inner concave section 3 is 4mm, the height of the outer convex section 4mm is 4mm, and the length of the bottom of the outer convex section 4 is H1, the length of the upper bottom is H2; the length of the lower bottom of the concave section 3 is H3, and the length of the upper bottom is H4; the thickness Y3 that the third pass rolling mill can press satisfies the dimensional relation: y3-4mm is more than H1 and more than Y3+4 mm; h1-8mm is more than H2 and more than H1-4 mm; y3-2mm < H3 < Y3+8 mm; h3-8mm is more than H4 and more than H3-4 mm; the radius of the first transition arc 8 is 10 mm; further, the radius of the second transition circular arc 9 is 5 mm.

And (3) implementation: a vertical roller in a stainless steel processing technology comprises a roller body vertical section 1, a roller body horizontal section 2 and an arc transition section 7, wherein the arc transition section 7 is positioned between the roller body vertical section 1 and the roller body horizontal section 2, an inner concave section 3 and an outer convex section 4 are further arranged at the position, close to the arc transition section 7, of the lower end of the roller body vertical section 1, the inner concave section 3 is positioned above the outer convex section 4, an isosceles trapezoid shape is formed between the cross sections of the inner concave section 3 and the outer convex section 4 and a roller body vertical section bus bar 5, transition arc I8 is arranged at four corners of the isosceles trapezoid formed by the inner concave section 3 and the roller body vertical section bus bar 5, transition arc II 9 is arranged at four corners of the isosceles trapezoid formed by the outer convex section 4 and the roller body vertical section bus bar 5, the depth of the inner concave section 3 is 6mm, the height of the outer convex section 4 is 2mm, and the length of the bottom of the outer convex section 4 is H1, the length of the upper bottom is H2; the length of the lower bottom of the concave section 3 is H3, and the length of the upper bottom is H4; the thickness Y3 that the third pass rolling mill can press satisfies the dimensional relation: y3-4mm is more than H1 and more than Y3+4 mm; h1-8mm is more than H2 and more than H1-4 mm; y3-2mm < H3 < Y3+8 mm; h3-8mm is more than H4 and more than H3-4 mm; the radius of the first transition arc 8 is 10 mm; further, the radius of the second transition circular arc 9 is 5 mm.

The utility model discloses a set up the interior concave section and the convex section structure of right trapezoid structure at the vertical section bottom segment of roll body, in the suppression process, the slab receives interior concave section and convex section compressive deformation on width direction for the slab extends to length direction, reduces the extension on the panel width, makes the rolling in-process of panel several times in the front simultaneously, and produced mar is close to the slab edge as far as possible, thereby makes the slitter edge width finally very little, improves the lumber recovery of stainless steel.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a edger roll in stainless steel processing technology, includes vertical section (1) of roll body, roll body horizontal segment (2) and circular arc changeover portion (7), circular arc changeover portion (7) are located between vertical section (1) of roll body and roll body horizontal segment (2), characterized by: the roller body structure is characterized in that an inner concave section (3) and an outer convex section (4) are further arranged at the position, close to an arc transition section (7), of the lower end of the roller body vertical section (1), the inner concave section (3) is located on the outer convex section (4), an isosceles trapezoid shape is formed between the cross sections of the inner concave section (3) and the outer convex section (4) and a roller body vertical section bus (5), transition arc I (8) are arranged at four corners of the isosceles trapezoid formed by the inner concave section (3) and the roller body vertical section bus (5), transition arc II (9) are arranged at four corners of the isosceles trapezoid formed by the outer convex section (4) and the roller body vertical section bus (5), the depth of the inner concave section (3) is 4-6mm, the height of the protrusion of the outer convex section (4) is 2-4mm, the length of the lower bottom of the outer convex section (4) is H1, and the length of the upper bottom of the outer; the length of the lower bottom of the concave section (3) is H3, and the length of the upper bottom is H4; the thickness Y3 that the third pass rolling mill can press satisfies the dimensional relation: y3-4mm is more than H1 and more than Y3+4 mm; h1-8mm is more than H2 and more than H1-4 mm; y3-2mm < H3 < Y3+8 mm; h3-8mm < H4 < H3-4 mm.

2. The vertical roll in the stainless steel processing technology of claim 1, which is characterized in that: the radius of the first transition arc (8) is 10 mm.

3. The vertical roll in the stainless steel processing technology of claim 2, which is characterized in that: the radius of the second transition arc (9) is 5 mm.