Powder feeding pipe for plasma coating

Abstract

The utility model discloses a powder feeding pipe for plasma coating. The powder feeding pipe comprises a powder feeding pipe body, the surface of the pipeline mechanism is fixedly connected with the inner cavity of the powder feeding pipe body, and the pipeline mechanism comprises a glass wool board layer, a quartz sand fireproof layer and a glass fiber board layer. The inner cavity of the powder feeding pipe body is fixedly connected with the glass wool board layer, the inner cavity of the glass wool board layer is fixedly connected with the quartz sand fireproof layer, the inner cavity of the quartz sand fireproof layer is fixedly connected with the glass fiber board layer, and the surface of the powder feeding pipe body is fixedly sleeved with the epoxy coating. The surface of the epoxy coating is fixedly sleeved with a plastic coating in a water latex fixing mode, the surface of the plastic coating is fixedly sleeved with a polyethylene sleeve in a hot melt adhesive fixing mode, the surface of the polyethylene sleeve is fixedly sleeved with a rock wool layer, the surface of the rock wool layer is fixedly sleeved with a stainless steel layer, and the surface of the stainless steel layer is fixedly sleeved with an outer steel layer. And the service life of the powder feeding pipe is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of powder delivery pipes, in particular to a powder delivery pipe for plasma coating. Background Art

[0002] Plasma spraying is a technology for strengthening and modifying the surface of materials. It can make the substrate surface have the properties of wear resistance, corrosion resistance, high temperature oxidation resistance, electrical insulation, heat insulation, radiation protection, friction reduction and sealing. Plasma spraying technology uses a plasma arc driven by direct current as a heat source to heat ceramics, alloys, metals and other materials to a molten or semi-molten state, and sprays them at high speed onto the pre-treated workpiece surface to form a firmly attached surface layer.

[0003] Patent Publication No.: CN206033888U. This utility model discloses a powder feeding device for plasma coating cladding, which belongs to the field of plasma surface treatment technology. It includes a powder hopper, a pneumatic device and a cleaning device. The pneumatic device is connected to the powder hopper and the cleaning device respectively. The powder hopper is provided with at least one powder inlet, and the powder hopper is connected to a powder feeding pipe; the pneumatic device is arranged at the connection between the powder hopper and the powder feeding pipe, and the pneumatic device includes a pneumatic control element and a pressure cylinder, and the pneumatic control element is connected to the pressure cylinder; the cleaning device includes a spiral shaft, a brush and a collector, one end of the spiral shaft is connected to the pneumatic device, and the other end is fixed with a brush, and a collector is arranged on the brush. This technical solution has a simple structure and is easy to operate. Through the settings of the pneumatic device, the agitator and the cleaning device, the powder is evenly dispersed and the device is clean, thereby improving the coating cladding quality and the surface treatment efficiency. It can evenly and accurately transport powder to the processing part according to the process requirements, and carry out long-distance powder delivery.

[0004] However, the powder delivery pipe device in the comparative case does not have excellent fireproof and heat-insulating properties during use, which causes the powder delivery pipe to be easily broken and damaged, thereby reducing the service life of the powder delivery pipe. Therefore, a powder delivery pipe for plasma coating is proposed to address the above problem. Utility Model Content

[0005] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a powder delivery pipe for plasma coating, which has the advantages of fire prevention and heat insulation, and solves the problem that the powder delivery pipe device in the comparative case does not have excellent fire prevention and heat insulation performance, resulting in the powder delivery pipe being easily broken and damaged.

[0006] To achieve the above object, the utility model provides the following technical solution: a powder delivery tube for plasma coating, comprising:

[0007] Powder feeding tube body;

[0008] A pipeline mechanism, wherein the surface of the pipeline mechanism is fixedly connected to the inner cavity of the powder delivery pipe body, the pipeline mechanism comprises a glass wool board layer, a quartz sand fireproof layer and a glass fiber board layer, the inner cavity of the glass wool board layer is fixedly connected to the quartz sand fireproof layer, and the inner cavity of the quartz sand fireproof layer is fixedly connected to the glass fiber board layer;

[0009] The outer shell mechanism has an inner cavity and a surface of a powder delivery pipe body fixedly sleeved, and the outer shell mechanism comprises an epoxy coating, a plastic coating and a polyethylene sleeve, the surface of the epoxy coating is fixedly sleeved with the plastic coating, and the surface of the plastic coating is fixedly sleeved with the polyethylene sleeve.

[0010] As a preferred embodiment of the utility model, a rock wool layer is fixedly sleeved on the surface of the polyethylene sleeve, and the rock wool layer and the polyethylene sleeve are used in combination.

[0011] As a preferred embodiment of the present invention, a stainless steel layer is fixedly sleeved on the surface of the rock wool layer, and the stainless steel layer and the rock wool layer are used in combination.

[0012] As a preferred embodiment of the utility model, an outer steel layer is fixedly sleeved on the surface of the stainless steel layer, and the outer steel layer and the stainless steel layer are used in combination.

[0013] As a preferred embodiment of the utility model, a plastic coating is fixedly sleeved on the surface of the epoxy coating by means of water emulsion, and the plastic coating and the epoxy coating are used in combination.

[0014] As a preferred embodiment of the utility model, a polyethylene sleeve is fixedly sleeved on the surface of the plastic coating by means of hot melt adhesive, and the polyethylene sleeve and the plastic coating are used in combination.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model cooperates with a powder delivery pipe body, a glass wool board layer, a quartz sand fireproof layer, a glass fiber board layer, an epoxy coating, a plastic coating, a polyethylene sleeve, a rock wool layer, a stainless steel layer and an outer steel layer in use; the glass wool board layer is fixedly connected to the inner cavity of the powder delivery pipe body, the quartz sand fireproof layer is fixedly connected to the inner cavity of the glass wool board layer, the glass fiber board layer is fixedly connected to the inner cavity of the quartz sand fireproof layer, the epoxy coating is fixedly sleeved on the surface of the epoxy coating by means of water emulsion, the polyethylene sleeve is fixedly sleeved on the surface of the plastic coating by means of hot melt adhesive, the rock wool layer is fixedly sleeved on the surface of the polyethylene sleeve, the stainless steel layer is fixedly sleeved on the surface of the rock wool layer, and the outer steel layer is fixedly sleeved on the surface of the stainless steel layer, thereby improving the service life of the powder delivery pipe.

[0017] 2. The utility model provides the powder delivery pipe body with excellent heat insulation performance by providing the rock wool layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 Schematic diagram of the three-dimensional structure of the glass fiber board layer;

[0020] Figure 3 For this utility model Figure 1 Schematic diagram of the three-dimensional structure of the Chinese and foreign steel layers.

[0021] In the figure: 1. powder delivery pipe body; 2. pipeline structure; 201. glass wool board layer; 202. quartz sand fireproof layer; 203. glass fiber board layer; 3. shell structure; 301. epoxy coating; 302. plastic coating; 303. polyethylene sleeve; 4. rock wool layer; 5. stainless steel layer; 6. outer steel layer. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 3 As shown, the utility model provides a powder delivery tube for plasma coating, comprising:

[0024] Powder feeding tube body 1;

[0025] The pipeline mechanism 2, the surface of the pipeline mechanism 2 is fixedly connected to the inner cavity of the powder delivery pipe body 1, the pipeline mechanism 2 comprises a glass wool board layer 201, a quartz sand fireproof layer 202 and a glass fiber board layer 203, the inner cavity of the glass wool board layer 201 is fixedly connected to the quartz sand fireproof layer 202, and the inner cavity of the quartz sand fireproof layer 202 is fixedly connected to the glass fiber board layer 203;

[0026] The outer shell mechanism 3, the inner cavity of the outer shell mechanism 3 and the surface of the powder delivery tube body 1 are fixedly sleeved, the outer shell mechanism 3 includes an epoxy coating 301, a plastic coating 302 and a polyethylene sleeve 303, the surface of the epoxy coating 301 is fixedly sleeved with the plastic coating 302, and the surface of the plastic coating 302 is fixedly sleeved with the polyethylene sleeve 303.

[0027] refer to Figure 3 A rock wool layer 4 is fixedly sleeved on the surface of the polyethylene sleeve 303 , and the rock wool layer 4 and the polyethylene sleeve 303 are used in conjunction with each other.

[0028] As a technical optimization solution of the utility model, the powder delivery pipe body 1 has excellent heat insulation performance through the provision of the rock wool layer 4.

[0029] refer to Figure 3 A stainless steel layer 5 is fixedly sleeved on the surface of the rock wool layer 4, and the stainless steel layer 5 and the rock wool layer 4 are used in combination.

[0030] As a technical optimization solution of the utility model, the powder delivery pipe body 1 has excellent corrosion resistance through the provision of the stainless steel layer 5 .

[0031] refer to Figure 3 The surface of the stainless steel layer 5 is fixedly sleeved with an outer steel layer 6, and the outer steel layer 6 and the stainless steel layer 5 are used in conjunction with each other.

[0032] As a technical optimization solution of the utility model, the outer steel layer 6 is provided to make the powder delivery tube body 1 have the performance of high strength and high hardness.

[0033] refer to Figure 2 The surface of the epoxy coating 301 is fixedly sleeved with the plastic coating 302 by means of water emulsion, and the plastic coating 302 and the epoxy coating 301 are used in combination.

[0034] As a technical optimization solution of the present invention, the powder delivery tube body 1 has high temperature resistance by providing the plastic coating 302 .

[0035] refer to Figure 2 The surface of the plastic coating 302 is fixedly sleeved with a polyethylene sleeve 303 by means of hot melt adhesive, and the polyethylene sleeve 303 and the plastic coating 302 are used in conjunction with each other.

[0036] As a technical optimization solution of the utility model, the polyethylene sleeve 303 is provided so that the powder delivery pipe body 1 has excellent insulation performance.

[0037] The working principle and use process of the utility model are as follows: when in use, a glass wool board layer 201 is fixedly connected to the inner cavity of the powder delivery tube body 1, a quartz sand fireproof layer 202 is fixedly connected to the inner cavity of the glass wool board layer 201, a glass fiber board layer 203 is fixedly connected to the inner cavity of the quartz sand fireproof layer 202, an epoxy coating 301 is fixedly sleeved on the surface of the powder delivery tube body 1, a plastic coating 302 is fixedly sleeved on the surface of the epoxy coating 301 by means of water emulsion, a polyethylene sleeve 303 is fixedly sleeved on the surface of the plastic coating 302 by means of hot melt adhesive, a rock wool layer 4 is fixedly sleeved on the surface of the polyethylene sleeve 303, a stainless steel layer 5 is fixedly sleeved on the surface of the rock wool layer 4, an outer steel layer 6 is fixedly sleeved on the surface of the stainless steel layer 5, thereby improving the service life of the powder delivery tube.

[0038] To sum up: the powder delivery pipe for plasma coating, through the coordinated use of the powder delivery pipe body 1, the pipeline mechanism 2, the glass wool board layer 201, the quartz sand fireproof layer 202, the glass fiber board layer 203, the shell mechanism 3, the epoxy coating 301, the plastic coating 302, the polyethylene sleeve 303, the rock wool layer 4, the stainless steel layer 5 and the outer steel layer 6, solves the problem that the powder delivery pipe device in the comparative case does not have excellent fireproof and heat-insulating properties, which causes the powder delivery pipe to be easily broken and damaged.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A powder delivery tube for plasma coating, characterized in that: include: Powder feeding tube body (1); A pipeline mechanism (2), wherein the surface of the pipeline mechanism (2) is fixedly connected to the inner cavity of the powder delivery pipe body (1), the pipeline mechanism (2) comprises a glass wool board layer (201), a quartz sand fireproof layer (202) and a glass fiber board layer (203), the inner cavity of the glass wool board layer (201) is fixedly connected to the quartz sand fireproof layer (202), and the inner cavity of the quartz sand fireproof layer (202) is fixedly connected to the glass fiber board layer (203); A shell mechanism (3), wherein an inner cavity of the shell mechanism (3) and a surface of a powder delivery pipe body (1) are fixedly sleeved, the shell mechanism (3) comprising an epoxy coating (301), a plastic coating (302) and a polyethylene sleeve (303), the surface of the epoxy coating (301) being fixedly sleeved with the plastic coating (302), and the surface of the plastic coating (302) being fixedly sleeved with the polyethylene sleeve (303).

2. The powder feeding tube for plasma coating according to claim 1, characterized in that: A rock wool layer (4) is fixedly sleeved on the surface of the polyethylene sleeve (303), and the rock wool layer (4) and the polyethylene sleeve (303) are used in combination.

3. The powder feeding tube for plasma coating according to claim 2, characterized in that: A stainless steel layer (5) is fixedly sleeved on the surface of the rock wool layer (4), and the stainless steel layer (5) and the rock wool layer (4) are used in combination.

4. The powder feeding tube for plasma coating according to claim 3, characterized in that: An outer steel layer (6) is fixedly sleeved on the surface of the stainless steel layer (5), and the outer steel layer (6) and the stainless steel layer (5) are used in combination.

5. The powder feeding tube for plasma coating according to claim 1, characterized in that: The surface of the epoxy coating (301) is fixedly sleeved with a plastic coating (302) by means of water-emulsion fixing, and the plastic coating (302) and the epoxy coating (301) are used in combination.

6. The powder feeding tube for plasma coating according to claim 1, characterized in that: A polyethylene sleeve (303) is fixedly sleeved on the surface of the plastic coating (302) by means of hot melt adhesive, and the polyethylene sleeve (303) and the plastic coating (302) are used in combination.

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