CN210085555U

CN210085555U - Sink roll structure for aluminizing

Info

Publication number: CN210085555U
Application number: CN201920555396.4U
Authority: CN
Inventors: 朱华青; 宁建阳; 陈刚
Original assignee: Jiangsu Jinnuo Roller Co Ltd
Current assignee: Jiangsu Jinnuo Roller Co Ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-02-18
Anticipated expiration: 2029-04-23

Abstract

A sink roll structure for aluminum plating comprises a roll body and roll necks symmetrically arranged at two ends of the roll body; the roller body is cylindrical, and steps a are arranged at two ends of the inner surface of the roller body; the roll neck comprises a roll neck front section, a roll neck middle section and a roll neck rear section; a step b is arranged between the front section of the roll neck and the middle section of the roll neck, the middle section of the roll neck and the rear section of the roll neck are in smooth transition through an arc, and the end surface of the rear section of the roll neck is provided with a step c matched with the step a; the roll neck and the roll body are connected and fixed by pins, and the pins are circumferentially and uniformly distributed on the outer surface of the roll body; the outer surfaces of the roll neck and the roll body are provided with coatings; the utility model has simple structure, good stability, safety, reliability and good corrosion resistance, can not generate filter residue, and ensures the surface quality of the aluminum-plated plate; and long service life, need not frequently change, reduced use cost.

Description

Sink roll structure for aluminizing

Technical Field

The utility model relates to a field of aluminizing the device especially relates to a sink roll structure for aluminizing.

Background

The aluminum plating sink roll is used in 95% of high-temperature aluminum liquid, the aluminum plating sink roll in the prior art is very easy to corrode the surface of the roll body and generate a lot of aluminum slag in the using process, the service life of the aluminum plating sink roll is influenced, and the surface quality of an aluminum plating plate is reduced to a great extent; the assembly of the roll neck and the roll body of the aluminized sinking roll adopts welding connection, and the welded part is easy to corrode and cause desoldering due to the change of the crystalline phase structure of the heated material in the welding process in the use process; therefore, a new sink roll structure needs to be designed.

Disclosure of Invention

The utility model aims at providing an aluminize with sink roll structure, simple structure, corrosion resistance can be good, long service life has solved above technical problem.

In order to realize the technical purpose, reach foretell technical requirement, the utility model discloses the technical scheme who adopts is: a sink roll structure for aluminum plating comprises a roll body and roll necks symmetrically arranged at two ends of the roll body; the method is characterized in that: the roller body is cylindrical, and steps a are arranged at two ends of the inner surface of the roller body; the roll neck comprises a roll neck front section, a roll neck middle section and a roll neck rear section; a step b is arranged between the front section of the roll neck and the middle section of the roll neck, the middle section of the roll neck and the rear section of the roll neck are in smooth transition through an arc, and the end surface of the rear section of the roll neck is provided with a step c matched with the step a; the roll neck and the roll body are connected and fixed by pins, and the pins are circumferentially and uniformly distributed on the outer surface of the roll body; the outer surfaces of the roll neck and the roll body are provided with coatings.

Preferably: the coating adopts a ceramic coating, and the thickness of the ceramic coating is set to be 0.6 mm.

Preferably: the pins are arranged at two ends of the roller body, and the number of the pins at each end is 3.

Preferably: the roll neck is integrally formed.

Preferably: the front section of the roll neck is cylindrical, the middle section of the roll neck is truncated cone-shaped, and the rear section of the roll neck is round cake-shaped and extends into the roll body.

The utility model has the advantages that; a sink roll structure for aluminizing, compared with the conventional structure: the ceramic coating is arranged on the outer surfaces of the roll body and the roll neck, the thickness of the ceramic coating is set to be 0.6mm, the wear resistance and the corrosion resistance of the sink roll are greatly improved, and the service life of the sink roll is prolonged; the roll neck and the roll body are connected and fixed by pins, the pins are arranged at two ends of the roll body and are circumferentially and uniformly distributed on the outer surface of the roll body, and the number of the pins at each end is 3; the connection is firmer and more stable, and the phenomenon of desoldering caused by corrosion is avoided; the utility model has simple structure, good stability, safety, reliability and good corrosion resistance, can not generate filter residue, and ensures the surface quality of the aluminum-plated plate; and long service life, need not frequently change, reduced use cost.

Drawings

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

FIG. 2 is an enlarged view of I of FIG. 1 according to the present invention;

in the figure: 1. a roll body; 2. a roll neck; 2-1, front section of roll neck; 2-2, the middle section of the roll neck; 2-3, the rear section of the roll neck; 3. a step a; 4. a step b; 5. a step c; 6. a pin.

Detailed Description

In order to make the object, technical solution and beneficial technical effects of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments;

in the drawings: a sink roll structure for aluminum plating comprises a roll body 1 and roll necks 2 symmetrically arranged at two ends of the roll body 1; the method is characterized in that: the roller body 1 is cylindrical, and steps a3 are arranged at two ends of the inner surface of the roller body 1; the roll neck 2 comprises a roll neck front section 2-1, a roll neck middle section 2-2 and a roll neck rear section 2-2; a step b4 is arranged between the front section 2-1 of the roll neck and the middle section 2-2 of the roll neck, the middle section 2-2 of the roll neck and the rear section 2-3 of the roll neck are in smooth transition through an arc, and the end face of the rear section 2-3 of the roll neck is provided with a step c5 matched with the step a 3; the roll neck 2 and the roll body 1 are connected and fixed by pins 6, and the pins 6 are circumferentially and uniformly distributed on the outer surface of the roll body 1; the outer surfaces of the roll neck 2 and the roll body 1 are provided with coatings.

The coating is a ceramic coating, and the thickness of the ceramic coating is set to be 0.6 mm; the pins 6 are arranged at two ends of the roller body 1, and the number of the pins at each end is 3; the roll neck 2 is integrally formed; the front section 2-1 of the roll neck is cylindrical, the middle section 2-2 of the roll neck is truncated cone-shaped, and the rear section 2-3 of the roll neck is pie-shaped and extends into the roll body 1.

The utility model discloses a concrete implementation: the roll body and the roll neck are in interference fit, before assembly, 3 holes are respectively drilled at two ends of the roll body, and the holes are uniformly distributed on the surface of the roll body in the circumferential direction; three holes are drilled at the rear sections of the roll necks of the two roll necks respectively, and the holes are uniformly distributed on the surface of the rear section of the roll neck in the annular direction; during assembly, the roll neck at one end is stretched into the roll body, the roll neck is rotated to align the holes of the roll neck with the holes of the roll body, and then pins are inserted in sequence; the installation of the roll neck at the other end is then continued in this way. The utility model has simple structure, good stability, safety, reliability and good corrosion resistance, can not generate filter residue, and ensures the surface quality of the aluminum-plated plate; and long service life, need not frequently change, reduced use cost.

The foregoing examples are given for the purpose of illustrating the present invention in a clear and non-restrictive manner, and it will be apparent to those skilled in the art that variations and modifications of the present invention may be made in other variations and modifications based on the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments, and all such variations and modifications as are obvious and desirable in the art are within the scope of the present invention.

Claims

1. A sink roll structure for aluminum plating comprises a roll body (1) and roll necks (2) symmetrically arranged at two ends of the roll body (1); the method is characterized in that: the roller body (1) is cylindrical, and steps a (3) are arranged at two ends of the inner surface of the roller body (1); the roll neck (2) comprises a roll neck front section (2-1), a roll neck middle section (2-2) and a roll neck rear section (2-3); a step b (4) is arranged between the front roll neck section (2-1) and the middle roll neck section (2-2), the middle roll neck section (2-2) and the rear roll neck section (2-3) are in smooth transition through an arc, and a step c (5) matched with the step a (3) is arranged on the end face of the rear roll neck section (2-3); the roll neck (2) and the roll body (1) are connected and fixed by pins (6), and the pins (6) are circumferentially and uniformly distributed on the outer surface of the roll body (1); the outer surfaces of the roll neck (2) and the roll body (1) are provided with coatings.

2. An aluminized sink roll structure according to claim 1, characterized in that: the coating adopts a ceramic coating, and the thickness of the ceramic coating is set to be 0.6 mm.

3. An aluminized sink roll structure according to claim 1, characterized in that: the pins (6) are arranged at two ends of the roller body (1), and the number of the pins at each end is 3.

4. An aluminized sink roll structure according to claim 1, characterized in that: the roll neck (2) is integrally formed.

5. An aluminized sink roll structure according to claim 1, characterized in that: the front roll neck section (2-1) is cylindrical, the middle roll neck section (2-2) is truncated cone-shaped, and the rear roll neck section (2-3) is cake-shaped and extends into the roll body (1).