Graphite spraying mechanism of reducing mill

By designing a graphite spraying mechanism for the reducing machine, high-pressure gas is used to atomize graphite liquid for uniform spraying, which solves the problem of uneven graphite coating in the reducing machine, reduces scratches on the outer wall of the steel pipe, and improves processing efficiency.

CN223669438UActive Publication Date: 2025-12-16LINZHOU FENGBAO PIPE
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Patent Information

Application Number
CN202423128792.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-12-16
Estimated Expiration
2034-12-18

AI Technical Summary

Technical Problem

In existing technology, uneven graphite coating in reducing machines leads to scratches on the outer wall of steel pipes.

Method used

Design a graphite spraying mechanism for a variable diameter machine, which uses high-pressure gas to atomize and uniformly spray graphite. The mechanism includes a fixed graphite hopper, an atomization chamber, and a high-pressure pipe. The atomization and spraying of graphite is achieved through a multi-port component and a pneumatic branch pipe.

Benefits of technology

This method achieves uniform graphite coating, reduces scratches on the outer wall of the steel pipe, and improves processing efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223669438U_ABST
Patent Text Reader

Abstract

A graphite spraying mechanism of a reducing mill comprises a fixed graphite stock bin and a high-pressure pipe, the high-pressure pipe is communicated with an inlet of a multi-way piece, one outlet of the multi-way piece is communicated with a first wind power branch pipe, and the outlet end of the first wind power branch pipe extends into the graphite stock bin; the graphite bin is a sealed bin, a discharging pipe is arranged in the graphite bin, the inlet end of the discharging pipe is located in the graphite bin, and the outlet end of the discharging pipe extends out of the graphite bin and is connected with the inlet end of a discharging hose. One outlet of the multi-way piece is communicated with a second wind power branch pipe, the outlet end of the second wind power branch pipe and the outlet end of the discharging hose converge to an atomizing chamber, and the atomizing chamber is provided with an atomizing nozzle; a first valve is arranged on the high-pressure pipe, and a second valve is arranged on the first wind branch pipe. Compared with the prior art, the graphite spraying device has the advantages that the graphite spraying device is provided with the high-pressure pipe, graphite is atomized through high-pressure gas, and uniform spraying can be achieved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of steel pipe processing, specifically relates to a diameter changing machine graphite spraying mechanism. BACKGROUND

[0002] In the seamless steel pipe processing process, in order to adjust the wall thickness of steel pipe, generally uses diameter changing machine. In order to reduce the scratch to the outer wall of steel pipe, will smear graphite liquid on the contact surface of diameter changing machine, and after the evaporation of the moisture in graphite liquid, graphite layer is formed by graphite liquid, and the scratch to the outer wall of steel pipe is reduced by using the lubricating property.

[0003] The problem lies in: the current is artificial and uses brush to smear, and the smearing is not very uniform. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem: how to design a diameter changing machine graphite spraying mechanism, and the smearing is more uniform.

[0005] The technical scheme of the utility model is specifically as follows:

[0006] A diameter changing machine graphite spraying mechanism, including fixed graphite bin and high pressure pipe, the high pressure pipe is connected with the inlet of multi-pass piece, one outlet of multi-pass piece is connected with first wind force branch pipe, and the outlet end of first wind force branch pipe extends into graphite bin; graphite bin is sealed bin, and the outlet end of the outlet pipe extends to the inlet end of the discharge hose outside graphite bin; one outlet of multi-pass piece is connected with second wind force branch pipe, and the outlet end of second wind force branch pipe and the outlet end of discharge hose converge into atomizing chamber, and atomizing chamber is equipped with spray port; first valve is arranged on high pressure pipe, and second valve is arranged on first wind force branch pipe.

[0007] Third valve is arranged on the outlet pipe, one outlet of multi-pass piece is connected with third wind force branch pipe, third wind force branch pipe is connected with the downstream pipeline of third valve of outlet pipe, and fourth valve is arranged on third wind force branch pipe.

[0008] The inlet end of outlet pipe is located in the lower part of graphite bin.

[0009] Compared with the prior art, the technical effect of the utility model is that the utility model is provided with high pressure pipe, graphite is atomized by using high pressure gas, and can be uniformly sprayed. DRAWINGS

[0010] Figure 1 It is the schematic diagram of the utility model.

[0011] Figure 2 For Figure 1 The enlarged schematic diagram of upper part. CONCRETE IMPLEMENTATION

[0012] The utility model discloses below in conjunction with the drawings and its specific implementation mode introduces in detail.

[0013] As Figures 1-2 A variable diameter machine graphite spraying mechanism, including fixed graphite bin 10 and high pressure pipe 20, high pressure pipe 20 is connected with the inlet of multiple pass piece 21, and one outlet of multiple pass piece 21 is connected with first wind force branch pipe 22, and the outlet end of first wind force branch pipe 22 extends into graphite bin 10.

[0014] Graphite bin 10 is sealed bin, and the inlet end of discharge pipe 11 is located in graphite bin 10, and the outlet end extends to the outside of graphite bin 10 and is connected with the inlet end of discharge hose 12.

[0015] One outlet of multiple pass piece 21 is connected with second wind force branch pipe 23, and the outlet end of second wind force branch pipe 23 is merged with the outlet end of discharge hose 12 into atomizing chamber 13, and atomizing chamber 13 is provided with spray port 14.

[0016] First valve 31 is arranged on high pressure pipe 20, and second valve 32 is arranged on first wind force branch pipe 22.

[0017] After spraying operation is finished, graphite liquid is left in discharge hose 12, and graphite solid residue is formed after graphite liquid volatilizes, and the graphite solid residue is bonded on the inner wall of discharge hose 12, and can block discharge hose 12, therefore, further improvement is as follows:

[0018] Third valve 33 is arranged on discharge pipe 11, one outlet of multiple pass piece 21 is connected with third wind force branch pipe 24, third wind force branch pipe 24 is connected with the downstream pipeline of third valve 33 of discharge pipe 11, and fourth valve 34 is arranged on third wind force branch pipe 24.

[0019] In order to facilitate discharge, the inlet end of discharge pipe 11 is located in the lower part of graphite bin 10.

[0020] As Figures 1-2 Its working principle is as follows:

[0021] S1, when using, the inlet section of high pressure pipe 20 is connected on the fan or high pressure tank, opens first valve 31, second valve 32 and third valve 33, closes fourth valve 34, and a part of wind in high pressure pipe 20 enters second wind force branch pipe 23, and another part of wind enters graphite bin 10 through first wind force branch pipe 22, and the graphite liquid in it is pressed out and enters discharge hose 12 through discharge pipe 11, and the wind in second wind force branch pipe 23 and the graphite liquid in discharge hose 12 are mixed and atomized in atomizing chamber 13, and then are sprayed from spray port 14, and spraying operation can be carried out.

[0022] S2, after the spraying operation, the fourth valve 34 is opened, the second valve 32 and the third valve 33 are closed, a part of the wind in the high-pressure pipe 20 enters the third wind force branch pipe 24, and the third wind force branch pipe 24 blows out the residual graphite liquid in the discharging hose 12, so that the discharging hose 12 is not residual and blocked.

[0023] Other contents refer to the prior art.

[0024] The above only is the preferred, implementation mode of the utility model, it should be pointed out, for the person skilled in the art, without departing from the overall concept of the utility model, under the prerequisite, can make a number of changes and improvements, these also should be considered the protection scope of the utility model.

Claims

1. A variable diameter machine graphite spraying mechanism comprising a fixed graphite bin (10) and a high pressure pipe (20), characterized in that: The high-pressure pipe (20) is connected with the inlet of the multi-way pipe (21), one outlet of the multi-way pipe (21) is connected with the first air branch pipe (22), and the outlet end of the first air branch pipe (22) extends into the graphite material bin (10); The graphite material bin (10) is a sealed bin, and the discharge pipe (11) is arranged in the graphite material bin (10), the inlet end of the discharge pipe (11) is located in the graphite material bin (10), the outlet end of the discharge pipe (11) extends out of the graphite material bin (10) and is connected with the inlet end of the discharge hose (12); One outlet of the multi-way pipe (21) is connected with the second air branch pipe (23), the outlet end of the second air branch pipe (23) is connected with the outlet end of the discharge hose (12) and is merged into the atomizing chamber (13), and the atomizing chamber (13) is provided with a spraying opening (14); The first valve (31) is arranged on the high-pressure pipe (20), and the second valve (32) is arranged on the first air branch pipe (22).

2. The variable diameter machine graphite spray mechanism of claim 1, wherein: The third valve (33) is arranged on the discharge pipe (11), one outlet of the multi-way pipe (21) is connected with the third air branch pipe (24), the third air branch pipe (24) is connected with the downstream pipe of the third valve (33) of the discharge pipe (11), and the fourth valve (34) is arranged on the third air branch pipe (24).

3. The variable diameter machine graphite spray mechanism of claim 2, wherein: The inlet end of the discharge pipe (11) is located at the lower part of the graphite material bin (10).