Machine flame cutting nozzle appliance adopting natural gas

By using ceramic coating and nickel-plated stainless steel alloy materials in natural gas flame cutting cutting instruments, and filtering natural gas with filter mesh, the problems of poor wear resistance and anti-stickness of cutting instruments and blockage of reserved holes are solved, significantly extending the service life and improving practicality.

CN222873543UActive Publication Date: 2025-05-16CHONGQING NAS ENERGY TECH
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Patent Information

Application Number
CN202421854645.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-02
Publication Date
2025-05-16
Estimated Expiration
2034-08-02

AI Technical Summary

Technical Problem

The wear resistance and anti-stickness of existing natural gas flame cutting and cutting instruments is poor, and the natural gas is not filtered, which can easily lead to clogging of reserved holes, reducing the service life and practicality of the device.

Method used

A machine-made flame cutting and cutting instrument using natural gas is designed, using ceramic coating and stainless steel alloy materials. The ceramic coating has high temperature resistance and anti-adhesion properties. The outer nickel plating layer of stainless steel alloy increases hardness and corrosion resistance. At the same time, a filter is set up at the lower tank of the gas flow to filter particulate matter in the natural gas.

Benefits of technology

The wear-resistant and anti-stick function of the cutting nozzle device is realized, which avoids the blockage of reserved holes, extends the service life of the device and improves practicality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a machine flame cutting torch appliance adopting natural gas, which relates to the technical field of flame cutting torches and comprises a cutting torch body, a conical block is fixedly connected to the bottom of the cutting torch body, a clamping groove is formed in the outer wall of the conical block, a gas circulation lower groove is formed in the inner wall of the cutting torch body, and a gas circulation lower groove is formed in the lower wall of the cutting torch body. The cutting torch comprises a cutting torch body, the top of the cutting torch body is fixedly connected with a connecting assembly, the top of the connecting assembly is in lap joint with a sealing mechanism, the connecting assembly comprises a connector, and the bottom of the connector is fixedly connected with the top of the cutting torch body. According to the machine flame cutting nozzle appliance adopting the natural gas, the nickel plating layer is arranged outside the stainless steel alloy, the hardness and the corrosion resistance of the outer wall of the stainless steel alloy are improved through the nickel plating layer, the ceramic coating arranged on the inner wall of the stainless steel alloy has high temperature resistance and adhesion resistance, and therefore the wear-resisting and adhesion-preventing functions are achieved; the wear-resistant and anti-adhesion effects are achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of flame cutting nozzles, in particular to a machine flame cutting nozzle device using natural gas. Background Art

[0002] Flame cutting is a common method for rough processing of steel plates. Flame cutting is gas cutting. Traditionally, acetylene gas was used for cutting, and later propane was used. Now natural gas cutting has emerged, and due to its abundant reserves, low price, and pollution-free properties, it has become the first choice for flame cutting. Natural gas flame cutting generally adds natural gas additives to generate a new type of flame cutting gas. Using this gas for flame cutting can achieve better cutting results, improve cutting efficiency, and reduce cutting costs. When flame cutting metals, a gas cutting gun is required, and the cutting nozzle is a component of the gas cutting gun. It is a natural gas-specific cutting nozzle used at the flame outlet of the gas cutting gun.

[0003] The existing technology has the following problems:

[0004] The cutting nozzle of the prior art has poor wear resistance and anti-sticking property, resulting in a short service life of the device, which reduces the practicality of the device. At the same time, the cutting nozzle of the prior art does not filter the natural gas, which easily leads to blockage of the reserved hole, reducing the practicality of the device. Utility Model Content

[0005] The utility model provides a machine flame cutting tool using natural gas to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A machine flame cutting cutting nozzle device using natural gas comprises a cutting nozzle body, a conical block is fixedly connected to the bottom of the cutting nozzle body, a clamping groove is provided on the outer wall of the conical block, a gas flow lower groove is provided on the inner wall of the cutting nozzle body, a connecting component is fixedly connected to the top of the cutting nozzle body, a sealing mechanism is overlapped on the top of the connecting component, the connecting component comprises a connecting head, the bottom of the connecting head is fixedly connected to the top of the cutting nozzle body, the sealing mechanism comprises a connecting block, the bottom end of the connecting block is overlapped on the top of the connecting head.

[0008] Preferably: the inner wall of the cutting nozzle body is fixedly connected with a ceramic coating, the outer wall of the ceramic coating is fixedly connected with a stainless steel alloy, the outer wall of the stainless steel alloy is fixedly connected to the inner wall of the cutting nozzle body, the outer wall of the stainless steel alloy is fixedly connected with a nickel-plated layer, and the outer wall of the nickel-plated layer is fixedly connected to the inner wall of the cutting nozzle body.

[0009] Preferably, a protective ring is fixedly connected to the outer wall of the connector, a leak-proof round block is fixedly connected to the inner wall of the protective ring, and the leak-proof round block has a circular shape.

[0010] Preferably, a fixing block is threadedly connected to the bottom of the connector, an outer wall of the fixing block is threadedly connected to the top of the cutting nozzle body, and a filter is fixedly connected to the bottom of the fixing block.

[0011] Preferably: the outer wall of the connecting block is provided with reserved holes, the outer wall of the connecting block is fixedly connected with anti-slip bumps in a circular array, the inner wall of the connecting block is fixedly connected with a cutting nozzle, the inner wall of the cutting nozzle is provided with a gas circulation upper groove, and the bottom of the cutting nozzle is threadedly connected to the inner wall of the connecting head.

[0012] Preferably, an annular sealing block is fixedly connected to the bottom of the connecting block, and the outer wall of the annular sealing block is plugged into the top of the connecting head.

[0013] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0014] 1. The utility model provides a machine flame cutting cutting nozzle device using natural gas. When flame cutting is performed, natural gas flows into the lower groove, and then the natural gas is filtered by the filter screen to filter out the particles in the natural gas, so that no debris is generated when the natural gas is burned, and the reserved hole is prevented from being blocked, thereby achieving the effect of preventing the reserved hole from being blocked.

[0015] 2. The utility model provides a machine flame cutting cutting nozzle device using natural gas. A nickel-plated layer is provided on the outside of the stainless steel alloy. The nickel-plated layer increases the hardness and corrosion resistance of the outer wall of the stainless steel alloy. The ceramic coating provided on the inner wall of the stainless steel alloy has high temperature resistance and anti-adhesion properties, thereby realizing the wear-resistant and anti-adhesion functions and playing a wear-resistant and anti-adhesion effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the main view of the utility model;

[0017] Figure 2 It is a schematic diagram of the cutaway structure of the main view of the utility model;

[0018] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the connection assembly of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the sealing mechanism of the utility model.

[0021] In the figure: 1. Cutting nozzle body; 11. Conical block; 12. Slot; 13. Lower groove for gas circulation; 14. Ceramic coating; 15. Stainless steel alloy; 16. Nickel plating; 2. Connecting assembly; 21. Connecting head; 22. Protective ring; 23. Leak-proof round block; 24. Fixing block; 25. Filter; 3. Sealing mechanism; 31. Connecting block; 32. Anti-skid protrusion; 33. Cutting nozzle head; 34. Upper groove for gas circulation; 35. Annular sealing block. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] like Figure 1-Figure 5 As shown, a machine flame cutting cutting nozzle device using natural gas includes a cutting nozzle body 1, a conical block 11 is fixedly connected to the bottom of the cutting nozzle body 1, a card groove 12 is provided on the outer wall of the conical block 11, a gas flow lower groove 13 is provided on the inner wall of the cutting nozzle body 1, a connecting component 2 is fixedly connected to the top of the cutting nozzle body 1, a sealing mechanism 3 is overlapped on the top of the connecting component 2, the connecting component 2 includes a connecting head 21, the bottom of the connecting head 21 is fixedly connected to the top of the cutting nozzle body 1, and the sealing mechanism 3 includes a connecting block 31, and the bottom end of the connecting block 31 is overlapped on the top of the connecting head 21.

[0024] The cutting nozzle body 1 and the cutting nozzle head 33 can be conveniently connected through the connecting assembly 2, and the connection between the cutting nozzle body 1 and the cutting nozzle head 33 can be sealed through the sealing mechanism 3.

[0025] like Figure 2 , Figure 3 As shown, the inner wall of the cutting nozzle body 1 is fixedly connected with a ceramic coating 14, the outer wall of the ceramic coating 14 is fixedly connected with a stainless steel alloy 15, the outer wall of the stainless steel alloy 15 is fixedly connected to the inner wall of the cutting nozzle body 1, the outer wall of the stainless steel alloy 15 is fixedly connected with a nickel-plated layer 16, and the outer wall of the nickel-plated layer 16 is fixedly connected to the inner wall of the cutting nozzle body 1.

[0026] By arranging a nickel plating layer 16 on the outside of the stainless steel alloy 15, the nickel plating layer 16 increases the hardness and corrosion resistance of the outer wall of the stainless steel alloy 15, and the ceramic coating 14 arranged on the inner wall of the stainless steel alloy 15 has high temperature resistance and anti-adhesion properties, thereby realizing the wear-resistant and anti-adhesion functions and playing a wear-resistant and anti-adhesion effect.

[0027] like Figure 2 , Figure 4 As shown, the outer wall of the connector 21 is fixedly connected with a protective ring 22, and the inner wall of the protective ring 22 is fixedly connected with a leak-proof round block 23, and the outer shape of the leak-proof round block 23 is annular.

[0028] The bottom of the connecting block 31 and the top of the connecting head 21 are in contact with the outer wall of the airtight anti-leakage round block 23, and the airtight anti-leakage round block 23 seals the connection between the connecting block 31 and the connecting head 21 to prevent air leakage, thereby achieving a sealing effect.

[0029] like Figure 2 , Figure 4 As shown, the bottom of the connector 21 is threadedly connected to a fixing block 24 , the outer wall of the fixing block 24 is threadedly connected to the top of the cutting nozzle body 1 , and the bottom of the fixing block 24 is fixedly connected to a filter screen 25 .

[0030] When flame cutting is performed, natural gas flows into the lower groove 13, and then the natural gas is filtered by the filter 25 to filter out particles in the natural gas, so that no debris is generated during combustion of the natural gas, thereby avoiding clogging of the reserved hole.

[0031] like Figure 2 , Figure 5 As shown, the outer wall of the connecting block 31 is provided with reserved holes, the outer wall of the connecting block 31 is fixedly connected with anti-slip protrusions 32 in a circular array, the inner wall of the connecting block 31 is fixedly connected with a cutting nozzle 33, the inner wall of the cutting nozzle 33 is provided with a gas circulation upper groove 34, the bottom of the cutting nozzle 33 is threadedly connected to the inner wall of the connecting head 21, the bottom of the connecting block 31 is fixedly connected with an annular sealing block 35, and the outer wall of the annular sealing block 35 is plugged into the top of the connecting head 21.

[0032] The bottom of the cutting nozzle 33 is threadedly connected to the inner wall of the connecting head 21, and the outer wall of the annular sealing block 35 is plugged into the inner wall of the connecting head 21. During the connection, the anti-slip protrusion 32 increases the friction of the connecting block 31, making it more convenient to rotate the connecting block 31.

[0033] The working principle of the utility model is as follows: when in use, the bottom of the cutting nozzle 33 is threadedly connected with the inner wall of the connecting head 21, and the outer wall of the annular sealing block 35 is plugged into the inner wall of the connecting head 21. When connected, the anti-slip protrusion 32 increases the friction of the connecting block 31, making it more convenient to rotate the connecting block 31. At the same time, the bottom of the connecting block 31 and the top of the connecting head 21 are in contact with the outer wall of the airtight anti-leakage round block 23, and the airtight anti-leakage round block 23 seals the connection between the connecting block 31 and the connecting head 21 to prevent air leakage, thereby achieving a sealing effect. When flame cutting is performed, natural gas flows into the lower groove 13, and then the natural gas The filter screen 25 is used to filter out the particulate matter in the natural gas, so that no debris will be generated when the natural gas is burned, and the reserved holes will be avoided from being blocked, thereby achieving the effect of avoiding the blockage of the reserved holes. At the same time, a nickel-plated layer 16 is provided on the outside of the stainless steel alloy 15, and the nickel-plated layer 16 increases the hardness and corrosion resistance of the outer wall of the stainless steel alloy 15. The ceramic coating 14 provided on the inner wall of the stainless steel alloy 15 has high temperature resistance and anti-adhesion properties, thereby realizing the wear-resistant and anti-adhesion functions, and achieving the wear-resistant and anti-adhesion effects. Subsequently, the fixed block 24 can be taken out by rotating the fixed block 24, which is convenient for replacing the fixed block 24, thereby greatly improving.

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A natural gas powered flame cutting nozzle apparatus, comprising a nozzle body (1), characterized in that: The bottom of the cutting nozzle body (1) is fixedly connected to a conical block (11), the outer wall of the conical block (11) is provided with a clamping groove (12), the inner wall of the cutting nozzle body (1) is provided with a gas circulation lower groove (13), the top of the cutting nozzle body (1) is fixedly connected to a connecting assembly (2), the top of the connecting assembly (2) is overlapped with a sealing mechanism (3), the connecting assembly (2) comprises a connecting head (21), the bottom of the connecting head (21) is fixedly connected to the top of the cutting nozzle body (1), the sealing mechanism (3) comprises a connecting block (31), the bottom end of the connecting block (31) is overlapped with the top end of the connecting head (21).

2. A natural gas powered flame cutting tool according to claim 1, characterized in that: The inner wall of the cutting nozzle body (1) is fixedly connected to a ceramic coating (14), the outer wall of the ceramic coating (14) is fixedly connected to a stainless steel alloy (15), the outer wall of the stainless steel alloy (15) is fixedly connected to the inner wall of the cutting nozzle body (1), the outer wall of the stainless steel alloy (15) is fixedly connected to a nickel-plated layer (16), and the outer wall of the nickel-plated layer (16) is fixedly connected to the inner wall of the cutting nozzle body (1).

3. A natural gas powered flame cutting tool according to claim 1, characterized in that: The outer wall of the connector (21) is fixedly connected to a protective ring (22), and the inner wall of the protective ring (22) is fixedly connected to a leak-proof round block (23), the leak-proof round block (23) having a circular shape.

4. A natural gas powered flame cutting tool according to claim 1, characterized in that: The bottom of the connector (21) is threadedly connected to a fixing block (24), the outer wall of the fixing block (24) is threadedly connected to the top of the cutting nozzle body (1), and the bottom of the fixing block (24) is fixedly connected to a filter screen (25).

5. A natural gas powered flame cutting tool according to claim 1, characterized in that: The outer wall of the connection block (31) is provided with a reserved hole, the outer wall of the connection block (31) is fixedly connected with anti-skid protrusions (32) in a circular array, the inner wall of the connection block (31) is fixedly connected with a cutting nozzle (33), the inner wall of the cutting nozzle (33) is provided with a gas circulation upper groove (34), and the bottom of the cutting nozzle (33) is threadedly connected to the inner wall of the connection head (21).

6. A natural gas powered flame cutting tool according to claim 1, characterized in that: An annular sealing block (35) is fixedly connected to the bottom of the connecting block (31), and the outer wall of the annular sealing block (35) is plugged into the top of the connecting head (21).