CN210560813U

CN210560813U - A conducting roller cooling structure for electrotinning sheet production line

Info

Publication number: CN210560813U
Application number: CN201920790664.0U
Authority: CN
Inventors: 刘海涛; 郑传宝; 赵龙坡
Original assignee: Hengshui Strip Rolling Co Ltd Handan Iron & Steel Group Co ltd
Current assignee: Hengshui Strip Rolling Co Ltd Handan Iron & Steel Group Co ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-05-19
Anticipated expiration: 2029-05-29

Abstract

The utility model relates to a conducting roller cooling structure for electrotinning sheet production line belongs to metallurgical industry electroplating process thin steel band technical field. The technical scheme is as follows: a connecting flange and a supporting flange are respectively fixed on the shaft head A (2) and the shaft head B (11), and the roller body (1) is fixed on the connecting flange and the supporting flange of the shaft head A (2) and the shaft head B (11); a cavity A (8) is formed between a connecting flange and a supporting flange on the shaft head A (2) and the roller body (1), a cavity C (10) is formed between a connecting flange and a supporting flange on the shaft head B (11) and the roller body (1), and a cavity B (9) is formed between a supporting flange on the shaft head A (2) and a supporting flange on the shaft head B (11) and the roller body (1); the shaft head A (2) and the shaft head B (11) are respectively provided with a central hole and water flowing holes which are crossed with the central hole. The utility model has the advantages that: the cooling effect of the conductive roller can be improved, and the service life of the conductive roller is prolonged.

Description

A conducting roller cooling structure for electrotinning sheet production line

Technical Field

The utility model relates to a conducting roller cooling structure for electrotinning sheet production line belongs to metallurgical industry electroplating process thin steel band technical field.

Background

The electrotinning sheet adopts a high-speed continuous production mode, and the conductive roller provides current for the strip steel, so that the process requirements of electroplating, resistance reflow, electrolytic passivation and the like are met. Due to high-speed production, the current carried by the conductive roller is large, the corresponding heat productivity is high, the roller body needs to be cooled by water to ensure the process requirement, and the cooling capacity and the cooling uniformity need to be ensured during cooling.

At present, the roll body cooling structure of the domestic tinned wire conductive roll mostly adopts the Japanese technology, has a complex structure, is difficult to process, and requires softened water. At present, domestic production line circulating cooling water is generally tap water, and long-term use can cause the inside scale deposit that produces of conducting roller, leads to the cooling effect poor, produces tin plate quality problems such as strike sparks, burn some, tin sticky, has seriously reduced the life of conducting roller, has increased production running cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a conducting roller cooling structure for electrotinning sheet metal production line can improve the cooling effect of conducting roller, avoids the scale deposit to block circulation path, solves the problem that exists among the background art.

The technical scheme of the utility model is that:

a conductive roller cooling structure for an electrotinning sheet production line comprises a roller body, a shaft head A, a connecting flange, a supporting flange, a central hole, a drain hole, a limber hole, a cavity A, a cavity B, a cavity C and a shaft head B;

the roller body is cylindrical, the shaft head A and the shaft head B are oppositely arranged, a connecting flange and a supporting flange are respectively fixed on the shaft head A and the shaft head B, the connecting flange and the supporting flange are both circular and matched with the roller body, and the roller body is fixed on the connecting flange and the supporting flange of the shaft head A and the shaft head B;

a cavity A is formed between the connecting flange and the supporting flange on the shaft head A and the roller body, a cavity C is formed between the connecting flange and the supporting flange on the shaft head B and the roller body, and a cavity B is formed between the supporting flange on the shaft head A and the supporting flange on the shaft head B and the roller body;

the shaft head A and the shaft head B are respectively provided with a central hole and water flow holes crossed with the central hole, and the water flow holes on the shaft head A and the shaft head B are respectively communicated with the cavity A and the cavity C;

the support flanges of the shaft head A and the shaft head B are respectively provided with a water through hole, the water through hole on the support flange of the shaft head A is communicated with the cavity A and the cavity B, the water through hole on the support flange of the shaft head B is communicated with the cavity B and the cavity C, and the whole structure is in bilateral symmetry.

Four limber holes are formed in the supporting flanges of the shaft head A and the shaft head B, and the four limber holes are uniformly arranged along the circumferential direction of the supporting flanges.

And the limbers on the support flanges of the spindle nose A and the spindle nose B are close to the edges of the support flanges.

And the water flowing holes and the central holes on the shaft head A and the shaft head B are vertically and crossly arranged.

The outer surface of the roller body is plated with a layer of copper.

Adopt the utility model discloses, during the use, the circulating water gets into cavity A through spindle nose A's centre bore and discharge orifice, then gets into cavity B and cavity C in proper order through the limbers on spindle nose A and spindle nose B's the support flange, and at last, through discharge orifice and the centre bore outflow on the spindle nose B, the cooling to the conducting roller is realized to the possibility of scale deposit jam has been avoided.

The utility model has the advantages that: the cooling effect of the conductive roller can be improved, the phenomenon that the circulating path is blocked by scaling is avoided, the service life of the conductive roller is prolonged, and the product quality is ensured. Has the characteristics of novel structure and strong practicability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic cross-sectional view of a support flange.

In the figure: the roller body 1, a shaft head A2, a connecting flange 3, a supporting flange 4, a central hole 5, a water flowing hole 6, a water passing hole 7, a cavity A8, a cavity B9, a cavity C10 and a shaft head B11.

Detailed Description

The invention will be further explained by way of example with reference to the accompanying drawings.

Referring to the attached figures 1 and 2, the conductive roller cooling structure for the electrotinning sheet production line comprises a roller body 1, a shaft head A2, a connecting flange, a supporting flange, a central hole, a water flowing hole, a water through hole, a cavity A8, a cavity B9, a cavity C10 and a shaft head B11;

the roller body 1 is cylindrical, a shaft head A2 and a shaft head B11 are oppositely arranged, a connecting flange and a supporting flange are respectively fixed on the shaft head A2 and the shaft head B11, the connecting flange and the supporting flange are circular and matched with the roller body 1, and the roller body 1 is fixed on the connecting flange and the supporting flange of the shaft head A2 and the shaft head B11;

a cavity A8 is formed between the connecting flange and the supporting flange on the shaft head A2 and the roller body 1, a cavity C10 is formed between the connecting flange and the supporting flange on the shaft head B11 and the roller body 1, and a cavity B9 is formed between the supporting flange on the shaft head A2 and the supporting flange on the shaft head B11 and the roller body 1;

the shaft head A2 and the shaft head B11 are respectively provided with a central hole and water flow holes which are arranged in a crossed manner with the central hole, and the water flow holes on the shaft head A2 and the shaft head B11 are respectively communicated with a cavity A8 and a cavity C10;

the supporting flanges of the shaft head A2 and the shaft head B11 are respectively provided with a water through hole, the water through hole on the supporting flange of the shaft head A2 is communicated with the cavity A8 and the cavity B9, the water through hole on the supporting flange of the shaft head B11 is communicated with the cavity B9 and the cavity C10, and the whole structure is in a bilateral symmetry structure.

The specific embodiment is as follows:

in this embodiment, referring to fig. 1 and 2, the roll body 1 is a carbon steel cylinder, the outer surface is plated with copper, the spindle nose a2 is made of 45 steel, the center is perforated, i.e., the center hole 5, the outer end is tapped, the inner end is welded blind, two holes which are perpendicular to each other and intersect with the center hole, i.e., the drain hole 6, are perforated between the connecting flange 3 and the supporting flange 4, and four drain holes 7 are perforated near the edge of the supporting flange 4, so that the strength of the supporting flange is not affected, and the drain flow and the cooling uniformity are ensured to the maximum extent. The axle head B11 is of the same construction as the axle head a 2.

When the roller body is installed, the connecting flange 3 and the supporting flange 4 are firstly welded on the shaft head A2 and the shaft head B11 respectively, and then are installed on the roller body 1 through hot fitting.

When the conductive roller cooling device is used, circulating water enters the cavity A8 through the central hole and the water flowing hole of the shaft head A2, then sequentially enters the cavity B9 and the cavity C10 through the water flowing holes 7 in the supporting flanges of the shaft head A2 and the shaft head B11, and finally flows out through the water flowing hole and the central hole in the shaft head B11, so that water flow is smooth, the possibility of scaling and blocking is reduced to the maximum extent, and cooling of the conductive roller is realized. And meanwhile, the three cavities effectively cool the heated part of the roller body, and the effect is uniform.

Claims

1. The utility model provides a conducting roller cooling structure for electrotinning sheet production line which characterized in that: the roll comprises a roll body (1), a shaft head A (2), a connecting flange, a supporting flange, a central hole, a drain hole, a limber hole, a cavity A (8), a cavity B (9), a cavity C (10) and a shaft head B (11);

the roller body (1) is cylindrical, the shaft head A (2) and the shaft head B (11) are oppositely arranged, a connecting flange and a supporting flange are respectively fixed on the shaft head A (2) and the shaft head B (11), the connecting flange and the supporting flange are circular and matched with the roller body (1), and the roller body (1) is fixed on the connecting flange and the supporting flange of the shaft head A (2) and the shaft head B (11);

a cavity A (8) is formed between a connecting flange and a supporting flange on the shaft head A (2) and the roller body (1), a cavity C (10) is formed between a connecting flange and a supporting flange on the shaft head B (11) and the roller body (1), and a cavity B (9) is formed between a supporting flange on the shaft head A (2) and a supporting flange on the shaft head B (11) and the roller body (1);

the shaft head A (2) and the shaft head B (11) are respectively provided with a central hole and water flow holes which are arranged in a crossed manner with the central hole, and the water flow holes on the shaft head A (2) and the shaft head B (11) are respectively communicated with the cavity A (8) and the cavity C (10);

the support flanges of the shaft heads A (2) and B (11) are respectively provided with a water through hole, the water through holes in the support flanges of the shaft heads A (2) are communicated with the cavity A (8) and the cavity B (9), the water through holes in the support flanges of the shaft heads B (11) are communicated with the cavity B (9) and the cavity C (10), and the whole structure is in bilateral symmetry.

2. The conductive roller cooling structure for an electrotinning sheet production line according to claim 1, wherein: four limber holes are formed in the supporting flanges of the shaft head A (2) and the shaft head B (11), and the four limber holes are uniformly arranged along the circumferential direction of the supporting flanges.

3. The electric conduction roller cooling structure for an electrotinning sheet production line according to claim 2, wherein: and the limbers on the supporting flanges of the shaft head A (2) and the shaft head B (11) are close to the edges of the supporting flanges.

4. The conductive roller cooling structure for an electrotinning sheet production line according to claim 1, wherein: and the water flowing holes and the central hole on the shaft head A (2) and the shaft head B (11) are vertically and crossly arranged.

5. The conductive roller cooling structure for an electrotinning sheet production line according to claim 1, wherein: the outer surface of the roller body (1) is plated with a layer of copper.