Wear-resistant and high-temperature-resistant nozzle for metal cutting

Abstract

The utility model discloses a wear-resistant and high-temperature-resistant nozzle for metal cutting, which comprises a nozzle body, a nozzle head is mounted at the bottom of the nozzle body, a spout is arranged at the bottom of the nozzle head, a raised plate covering the outer side of the spout is mounted at the bottom of the nozzle head, and ceramic coatings are coated on the inner surfaces of the nozzle body, the nozzle head, the spout and the raised plate. The nozzle body, the nozzle head, the spout and the protruding plate are all made of chromium-zirconium-copper materials, the top of the nozzle head is fixedly connected with a connecting part, the connecting part is connected with the nozzle body in a threaded screwing mode, the bottom of the nozzle head is fixedly connected with an external thread plate, and the protruding plate is connected with the external thread plate in a threaded screwing mode. By means of the structure, the nozzle can effectively resist friction and abrasion generated in the cutting process, and the service life of the nozzle can be prolonged; and the protruding plate and the nozzle head are movably connected, so that the nozzle head and the protruding plate can be replaced according to the actual use damage condition, the overall replacement cost is reduced, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal cutting equipment technical field, especially in kind of wear -resisting high temperature nozzle for metal cutting. BACKGROUND

[0002] Metal cutting is an integral part of modern manufacturing industry, widely used in automotive, aerospace, construction and heavy industry and other fields. With the continuous progress of technology, cutting technology is also evolving, from traditional mechanical cutting to advanced methods such as laser cutting, plasma cutting and water jet cutting. Nozzle plays a crucial role in the cutting process, it is responsible for the gas or liquid with a certain pressure and flow rate, forming cutting beam.

[0003] Currently, the nozzle for metal cutting is affected by multiple factors, including wear, corrosion and thermal fatigue in high temperature and high pressure environment. These factors are prone to cause nozzle deformation or failure, resulting in poor service life of the nozzle, and even need to be replaced frequently, increasing the overall replacement cost of enterprises. Therefore, the utility model provides a kind of wear -resisting high temperature nozzle for metal cutting to solve the problems raised in the above background technology. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of wear -resisting high temperature nozzle for metal cutting, nozzle can effectively resist the friction and wear generated in the cutting process, it is beneficial to prolong the service life of nozzle;And the raised plate, nozzle head are connected by the mode of movable connection, it is beneficial to replace nozzle head and raised plate according to actual use damage condition, reduces the overall replacement cost, and practicality is strong.

[0005] To achieve the above object, provide a kind of wear -resisting high temperature nozzle for metal cutting, including mouth, the mouth bottom is equipped with nozzle head, the nozzle head bottom is equipped with spout, the nozzle head bottom is equipped with the raised plate that covers the outside of spout, the mouth, nozzle head, spout and the inner surface of raised plate are all coated with ceramic coating, the mouth, nozzle head, spout and raised plate are all made of chromium zirconium copper material, the nozzle head top is fixedly connected with connecting portion, the connecting portion is connected with mouth by thread rotation, the nozzle head bottom is fixedly connected with outer thread plate, the raised plate is threadedly connected with outer thread plate.

[0006] According to the wear -resisting high temperature nozzle for metal cutting, the first sealing ring is embedded in the inside of the top side of the raised plate, and the second sealing ring is embedded in the inside of the top side of the connecting portion.

[0007] According to the wear -resisting high temperature nozzle for metal cutting, the bottom end of the spout and the bottom end of the raised plate are left with a certain distance, and a plurality of slot gaps are evenly formed in the bottom of the raised plate.

[0008] According to the metal cutting wear-resistant high-temperature nozzle, the connecting portion is provided in an integral structure with the nozzle head, and the nozzle outlet is integrally formed with the nozzle head.

[0009] According to the metal cutting wear-resistant high-temperature nozzle, the nozzle head is fixedly connected with the second hexagonal nut outside, and the convex plate is fixedly connected with the first hexagonal nut outside.

[0010] According to the metal cutting wear-resistant high-temperature nozzle, the outer threaded plate is welded to the bottom of the nozzle head, and the nozzle head is provided in a conical structure.

[0011] The metal cutting wear-resistant high-temperature nozzle has the following beneficial effects:

[0012] Compared with the prior art, the metal cutting wear-resistant high-temperature nozzle is made of chromium-zirconium-copper alloy material, the wear resistance of chromium and the high-temperature strength of zirconium improve the hardness and wear resistance of copper, can effectively resist friction and wear generated in the cutting process, and prolong the service life of the nozzle.

[0013] The convex plate is arranged outside the nozzle outlet, which avoids the direct contact between the nozzle outlet and the metal workpiece and causes wear. In addition, the convex plate and the nozzle head are connected in a movable connection mode, which is beneficial to replacing the nozzle head and the convex plate according to actual use damage, reduces the overall replacement cost, and has high practicability.

[0014] Additional aspects and advantages of the present application will be given in part in the following description, some of which will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0015] The present application will be further described below in combination with the drawings and embodiments.

[0016] Figure 1 It is a first overall structure schematic view of the metal cutting wear-resistant high-temperature nozzle of the present application.

[0017] Figure 2 It is a second overall structure schematic view of the metal cutting wear-resistant high-temperature nozzle of the present application.

[0018] Figure 3 It is an overall cross-sectional structure schematic view of the metal cutting wear-resistant high-temperature nozzle of the present application.

[0019] Figure 4 It is a metal cutting wear-resistant high-temperature nozzle of the present application Figure 3 It is an enlarged structure schematic view of A in the middle.

[0020] Figure 5 The utility model discloses a kind of wear-resistant high-temperature nozzles for metal cutting Figure 3 The enlarged structural schematic diagram of B in the middle is shown.

[0021] Legend:

[0022] 1, nozzle body; 2, nozzle head; 3, nozzle opening; 4, raised plate; 5, missing slot; 6, first hex nut; 7, second hex nut; 8, external thread plate; 9, first sealing ring; 10, second sealing ring; 11, connecting part. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Referring to Figures 1-5 , the utility model discloses a kind of wear-resistant high-temperature nozzles for metal cutting, it includes nozzle body 1, nozzle body 1 bottom is equipped with nozzle head 2, nozzle head 2 is set as conical structure, the streamlined nozzle head 2 can be conducive to reducing gas resistance.Nozzle head 2 bottom is equipped with nozzle opening 3, nozzle head 2 bottom is equipped with the raised plate 4 covered in the outside of nozzle opening 3, nozzle body 1, nozzle head 2, nozzle opening 3 and the inner surface of raised plate 4 are all coated with ceramic coating, nozzle body 1, nozzle head 2, nozzle opening 3 and raised plate 4 are all made of chromium zirconium copper material, nozzle head 2 top is fixedly connected with connecting part 11, connecting part 11 is connected by screwing with nozzle body 1, nozzle head 2 bottom is fixedly connected with external thread plate 8, raised plate 4 is connected by screwing with external thread plate 8.

[0025] Nozzle is made of chromium zirconium copper alloy material, the wear resistance of chromium and the high temperature strength of zirconium improve the hardness and wear resistance of copper, can effectively resist friction and wear generated in cutting process, prolong the service life of nozzle.Meanwhile, ceramic coating is arranged on inner surface, with its excellent high-temperature resistance and wear resistance, to provide an additional protective layer for nozzle.Raised plate 4 is arranged outside nozzle opening 3, when cutting, raised plate 4 can be contacted with metal workpiece cutting, to avoid the direct contact of nozzle opening 3 with metal workpiece and cause wear.In addition, raised plate 4 and nozzle head 2 are connected in the mode of screwing, nozzle head 2 and nozzle body 1 are also connected in the mode of screwing, and the mode of movable connection facilitates the replacement work of raised plate 4 and nozzle head 2, to facilitate the replacement of nozzle head 2 and raised plate 4 according to actual use damage, reduce overall replacement cost, and it is practical.

[0026] In order to enhance the sealing, the inner top side of the convex plate 4 is embedded with a first sealing ring 9, and the inner top side of the connecting part 11 is embedded with a second sealing ring 10, the first sealing ring 9 can seal the connecting part between the convex plate 4 and the nozzle head 2, and the second sealing ring 10 can seal the connecting part between the nozzle head 2 and the nozzle body 1, effectively preventing gas leakage.

[0027] The bottom end of the nozzle 3 is kept a certain distance from the bottom end of the convex plate 4, which not only ensures smooth gas flow, but also prevents the nozzle 3 from contacting the cutting workpiece. The bottom of the convex plate 4 is evenly provided with a plurality of notches 5, which helps to disperse and cool the gas flow.

[0028] The connecting part 11 and the nozzle head 2 are integrally formed, which ensures the sealing and strength of the connecting part between the connecting part 11 and the nozzle head 2. The nozzle 3 and the nozzle head 2 are integrally formed, which ensures the sealing and strength of the connecting part between the nozzle 3 and the nozzle head 2. The outer threaded plate 8 is welded to the bottom of the nozzle head 2, and the outer threaded plate 8 and the nozzle head 2 are connected by precise welding process, which ensures the sealing and strength of the connecting part.

[0029] The second hexagonal nut 7 is fixedly connected to the outer side of the nozzle head 2, and the first hexagonal nut 6 is fixedly connected to the outer side of the convex plate 4. The first hexagonal nut 6 and the second hexagonal nut 7 provide convenience for the installation and disassembly of the nozzle head 2 and the convex plate 4, so as to ensure the stability of the connection between the nozzle head 2 and the convex plate 4.

[0030] Working principle: the nozzle is made of chromium-zirconium-copper alloy material, the wear resistance of chromium and the high temperature strength of zirconium improve the hardness and wear resistance of copper, which can effectively resist friction and wear during cutting process, and prolong the service life of the nozzle. At the same time, a ceramic coating is arranged on the inner surface to provide an additional protective layer for the nozzle due to its excellent high temperature resistance and wear resistance. The convex plate 4 is arranged on the outer side of the nozzle 3, which can contact and cut the metal workpiece during cutting, avoiding direct contact between the nozzle 3 and the metal workpiece. In addition, the convex plate 4 and the nozzle head 2 are connected by screwing, and the nozzle head 2 and the nozzle body 1 are also connected by screwing. The movable connection facilitates the replacement of the convex plate 4 and the nozzle head 2, which is conducive to replacing the nozzle head 2 and the convex plate 4 according to the actual use damage, reduces the overall replacement cost, and has high practicability.

[0031] The above describes the embodiments of the utility model in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A wear-resistant and high-temperature resistant nozzle for metal cutting, characterized in that, The device includes a mouthpiece (1), a nozzle head (2) is installed at the bottom of the mouthpiece (1), a nozzle orifice (3) is provided at the bottom of the nozzle head (2), and a protruding plate (4) is installed at the bottom of the nozzle head (2) covering the outside of the nozzle orifice (3). The inner surfaces of the mouthpiece (1), nozzle head (2), nozzle orifice (3) and protruding plate (4) are all coated with a ceramic coating. The mouthpiece (1), nozzle head (2), nozzle orifice (3) and protruding plate (4) are all made of chromium zirconium copper material. A connecting part (11) is fixedly connected to the top of the nozzle head (2). The connecting part (11) is connected to the mouthpiece (1) by a threaded connection. An external threaded plate (8) is fixedly connected to the bottom of the nozzle head (2). The protruding plate (4) is threadedly connected to the external threaded plate (8).

2. The wear-resistant and high-temperature resistant nozzle for metal cutting according to claim 1, characterized in that, The top side of the protruding plate (4) is fitted with a first sealing ring (9), and the top side of the connecting part (11) is fitted with a second sealing ring (10).

3. The wear-resistant and high-temperature resistant nozzle for metal cutting according to claim 2, characterized in that, There is a certain distance between the bottom end of the nozzle (3) and the bottom end of the protrusion plate (4), and the bottom of the protrusion plate (4) is evenly provided with multiple notches (5).

4. The wear-resistant and high-temperature resistant nozzle for metal cutting according to claim 3, characterized in that, The connecting part (11) and the nozzle head (2) are integrated into one structure, and the nozzle (3) and the nozzle head (2) are integrally formed.

5. The wear-resistant and high-temperature resistant nozzle for metal cutting according to claim 4, characterized in that, A second hexagonal nut (7) is fixedly connected to the outside of the nozzle head (2), and a first hexagonal nut (6) is fixedly connected to the outside of the protrusion plate (4).

6. The wear-resistant and high-temperature resistant nozzle for metal cutting according to claim 1, characterized in that, The external threaded plate (8) is welded to the bottom of the nozzle head (2), and the nozzle head (2) is designed with a conical structure.

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