Anti-adhesion graphite brushing device for steel belt of belt type reduction furnace in powder metallurgy industry

Abstract

The utility model relates to an anti-adhesion graphite brushing device for a steel belt of a belt type reduction furnace in the powder metallurgy industry, which comprises a mounting box body and a graphite block positioned in the mounting box body, and one side, close to the steel belt of the reduction furnace, of the mounting box body is provided with an opening; a pressure spring for pressing the graphite block on the steel belt of the reduction furnace is mounted on one side, far away from the steel belt of the reduction furnace, of the mounting box body, a spring top plate is fixedly connected to one side, far away from the steel belt of the reduction furnace, of the mounting box body, and the pressure spring is positioned between the spring top plate and the graphite block. Under the balanced pressure of the device, a graphite powder protection layer is attached to the surface of an empty steel strip by using a graphite block, so that the problem of adhesion of powder and the steel strip during high-temperature reduction in a furnace body is avoided, and the device has the characteristics of safety, simplicity, convenience, high efficiency and stability.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of reduction furnace, concretely refers to a powder metallurgy industry belt type reduction furnace steel band anti -adhesion graphite coating device. BACKGROUND

[0002] Belt reduction furnace (Belt Reduction Furnace) is a kind of continuous heat treatment equipment, mainly used in powder metallurgy, metal oxide reduction, electronic material preparation and other fields.The core feature is that material is continuously sent into the furnace by conveying steel belt, and heating, reduction or sintering treatment is carried out in controllable atmosphere (such as hydrogen, nitrogen, etc.) or vacuum environment.

[0003] In the high-temperature reduction process, material (generally iron powder or other alloy powder) is prone to adhere to the reduction furnace steel belt, and manual cleaning of the adhesion position is required, and some use manual graphite powder / carbon black powder mixed with water to prevent the steel belt from adhering to the material. INVENTION CONTENTS

[0004] The utility model provides a kind of powder metallurgy industry belt type reduction furnace steel band anti -adhesion graphite coating device for the deficiency of prior art.

[0005] The utility model is realized by the following technical scheme, provide a kind of powder metallurgy industry belt type reduction furnace steel band anti -adhesion graphite coating device, including installation box body and the graphite block in installation box body, the side opening of installation box body is close to reduction furnace steel band setting, and the side of installation box body away from reduction furnace steel band is equipped with the compression spring that graphite block is compressed on reduction furnace steel band.

[0006] In the present application, the compression spring compresses multiple graphite blocks on the reduction furnace steel belt by elastic force, so that a layer of graphite layer is attached to the surface of the reduction furnace steel belt when the reduction furnace steel belt moves, and the reduction furnace steel belt with graphite layer contacts the material, thereby playing an isolation role to avoid the problem of adhesion between the material and the reduction furnace steel belt during high-temperature reduction in the furnace body

[0007] As an optimization, the installation box body is fixed to the reduction furnace by the fixing rod located on both sides of the reduction furnace. The fixing rod in the present application realizes the fixed installation of the installation box.

[0008] As an optimization, the graphite block is attached to the outer arc surface of the reduction furnace steel belt. Thus, the contact part is located at the roller position of the end part of the reduction furnace, avoiding the broken graphite block from entering the furnace body and affecting the purity of the product.

[0009] As an optimization, the installation box body is fixed to the spring top plate away from the side of the reduction furnace steel belt, and the compression spring is located between the spring top plate and the graphite block. The spring top plate in the present application realizes the support of the other end of the compression spring.

[0010] As optimization, a guide bolt is screwed on the spring top plate and inserted into the compression spring.

[0011] As optimization, two rows of graphite blocks are arranged in the installation box along the moving direction of the steel belt of the reduction furnace, and one compression spring is installed on each graphite block.

[0012] As optimization, the two rows of graphite blocks are staggered in the width direction of the steel belt of the reduction furnace.

[0013] The graphite block coating device for the steel belt of the reduction furnace in the powder metallurgy industry has the advantages that before the steel belt of the reduction furnace receives the powder, the device is used to evenly press the graphite block against the surface of the steel belt to form a graphite powder protective layer, thereby avoiding the problem of adhesion between the powder and the steel belt during high-temperature reduction in the furnace body, and the device is safe, simple, efficient and stable. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structure side view installation diagram of the utility model;

[0015] Figure 2 It is a front view of the utility model;

[0016] Figure 3 It is a side view of the utility model;

[0017] Figure 4 It is a bottom view of the utility model;

[0018] Figure 5 It is a top view of the utility model;

[0019] In the drawings:

[0020] 1, installation box, 2, graphite block, 3, spring top plate, 4, compression spring, 5, guide bolt, 6, connecting rod, 7, mounting plate, 8, fixed rod, 9, steel belt of reduction furnace, 10, graphite layer, 11, material. DETAILED DESCRIPTION

[0021] In order to clearly illustrate the technical features of the present application, the following specific embodiments will be described.

[0022] For example, Figures 1-5As shown in the figure, the graphite block 2 is arranged on the outer arc surface of the reduction furnace steel belt 9, so that the contact position is at the roller position of the end of the reduction furnace, and broken graphite blocks are prevented from entering the furnace body to affect the purity of the product. Figure 1 As shown in the figure, the installation box 1 is fixed to the reduction furnace through the fixing rod 8 located on both sides of the reduction furnace, so that the fixation of the installation box 1 is realized.

[0023] As shown in the figure, Figure 4 As shown in the figure, the graphite block 2 is arranged on the outer arc surface of the reduction furnace steel belt 9, so that the contact position is at the roller position of the end of the reduction furnace, and broken graphite blocks are prevented from entering the furnace body to affect the purity of the product.

[0024] The two rows of graphite blocks 2 are staggered in the width direction of the reduction furnace steel belt 9, so that the gap between adjacent graphite blocks 2 is covered by the graphite blocks 2 of the other row, so that the graphite blocks can be evenly and fully applied on the reduction furnace steel belt.

[0025] In the embodiment, the graphite block 2 is attached to the outer arc surface of the reduction furnace steel belt 9, so that the contact position is at the roller position of the end of the reduction furnace, and broken graphite blocks are prevented from entering the furnace body to affect the purity of the product.

[0026] The installation box 1 is provided with a compression spring 4 for pressing the graphite block 2 against the reduction furnace steel belt 9. Each graphite block 2 is provided with a compression spring 4 for individual compression.

[0027] As shown in the figure, Figure 2 、 3 As shown in the figure, the installation box 1 is provided with a spring top plate 3 away from the reduction furnace steel belt 9, and the spring top plate 3 is located above the upper end opening of the installation box 1. The installation box 1 is provided with a mounting plate 7 at both ends, and the spring top plate 3 is fixedly connected to the mounting plate 7 through a connecting rod 6, so that the fixation of the spring top plate 3 is realized.

[0028] The compression spring 4 is located between the spring top plate 3 and the graphite block 2. The spring top plate 3 is provided with a guide bolt 5 inserted into the compression spring 4, so that the compression spring is guided to prevent bending

[0029] The use method of the utility model:

[0030] The compression spring 4 on the installation box 1 compresses the graphite blocks 2 on the reduction furnace steel belt 9 by elastic force, so that a graphite layer 10 is attached on the surface of the reduction furnace steel belt 9 when the reduction furnace steel belt 9 moves, the reduction furnace steel belt 9 with the graphite layer 10 contacts the material 11, so as to play a role of insulation, thereby avoiding the problem of adhesion between the material 11 and the reduction furnace steel belt 9 when the material 11 passes through the high-temperature reduction inside the furnace body.

[0031] Of course, the above description is not limited to the above examples, and the technical features not described in the utility model can be realized by or using the prior art, which will not be repeated here; the above embodiments and drawings are only used to illustrate the technical scheme of the utility model and are not a limitation on the utility model, the utility model is described in detail with reference to the preferred embodiments, and those skilled in the art should understand that the changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the utility model do not deviate from the purpose of the utility model, and should also belong to the protection scope of the claims of the utility model.

Claims

1. A graphite coating device for preventing adhesion of steel belt in a belt reduction furnace of powder metallurgy industry, characterized in that: It includes a mounting box (1) and a graphite block (2) located inside the mounting box (1). The mounting box (1) has an opening on the side near the reduction furnace steel belt (9), and a compression spring (4) is installed on the side of the mounting box (1) away from the reduction furnace steel belt (9) to press the graphite block (2) onto the reduction furnace steel belt (9).

2. The graphite coating device for preventing sticking of steel belts in a belt reduction furnace in the powder metallurgy industry according to claim 1, characterized in that: The mounting box (1) is fixed to the reduction furnace by fixing rods (8) located on both sides of the reduction furnace.

3. The graphite coating device for preventing sticking of steel belts in a belt reduction furnace in the powder metallurgy industry according to claim 1, characterized in that: The graphite block (2) is attached to the outer arc surface of the reduction furnace steel strip (9).

4. The graphite coating device for preventing sticking of steel belts in a belt reduction furnace in the powder metallurgy industry according to claim 1, characterized in that: A spring top plate (3) is fixed to the side of the mounting box (1) away from the reduction furnace steel strip (9), and the compression spring (4) is located between the spring top plate (3) and the graphite block (2).

5. A graphite coating device for preventing sticking of steel belts in a belt reduction furnace in the powder metallurgy industry according to claim 4, characterized in that: The spring top plate (3) is threaded with a guide bolt (5) that is inserted into the compression spring (4).

6. The graphite coating device for preventing sticking of steel belt in a belt reduction furnace in the powder metallurgy industry according to claim 1, characterized in that: Two rows of graphite blocks (2) are arranged inside the mounting box (1) along the moving direction of the reduction furnace steel belt (9), and a compression spring (4) is installed on each graphite block (2).

7. A graphite coating device for preventing sticking of steel belts in a belt reduction furnace in the powder metallurgy industry according to claim 6, characterized in that: Two rows of graphite blocks (2) are staggered in the width direction of the steel strip (9) in the reduction furnace.

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