Metal powder laser cladding spray head structure

Abstract

The utility model discloses a metal powder laser cladding spray head structure which comprises a spray head body, an outer spray seat is fixed on the outer wall of the lower end of the spray head body, a powder injection opening is formed in the center of the surface of the outer spray seat, one end of the powder injection opening extends into the spray head body, and a spray nozzle is arranged at the bottom end of the spray head body. A spraying hole is formed in the center of the bottom of the nozzle, a first hexagon nut is arranged at the top end of the sprayer body, a sealing bolt is installed in the first hexagon nut in a threaded mode, the top end of the sealing bolt extends out of the first hexagon nut, the bottom end of the sealing bolt extends into the sprayer body, and the outer wall of the upper end of the sealing bolt is sleeved with an anti-skid disc. According to the spray head structure, the convenience of the spray head structure during maintenance is improved, the purpose of easily positioning and mounting the spray head structure is achieved, and the spraying efficiency of the spray head structure on metal powder during use is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of spray head structures, in particular to a metal powder laser cladding spray head structure. Background Technique

[0002] The metal powder laser cladding technology is an advanced surface treatment technology. By cladding a layer of powder material with special properties on the metal surface, the wear resistance, corrosion resistance, high temperature resistance and other properties of the material can be improved. However, there are many problems with the existing laser cladding spray heads, which affect the cladding quality and efficiency. Therefore, it is of great practical significance to develop a metal powder laser cladding spray head structure.

[0003] A metal powder laser forming spray head with the reference publication number of CN215481264U includes a laser channel and metal powder spray head insertion cavities arranged on both sides of the laser channel; the outer part of the laser channel is in a cylindrical cavity structure, and a laser nozzle with a conical outer part is arranged below it; two metal powder spray head insertion cavities are arranged obliquely along both sides of the laser nozzle; each metal powder spray head insertion cavity can be inserted with a metal powder spray head; the powder spraying path of the metal powder spray head intersects with the laser spraying path; an annular heat dissipation device installation groove is arranged on the inner wall of the laser channel, and the heat absorption end installation groove of the heat dissipation device is inserted into the heat dissipation device installation groove. This device uses the method of embedding heat pipes for heat dissipation, so that the heat source can be quickly transferred to the outside for heat dissipation, with uniform heat dissipation, and it is not necessary to externally connect a water pump for heat dissipation, reducing energy consumption. According to the above, although this spray head structure can be well applied, it is usually not convenient to open and close the whole of it, and thus it is not easy to clean and maintain this spray head structure, which often troubles users. Content of the Utility Model

[0004] The purpose of the utility model is to provide a metal powder laser cladding spray head structure to solve the problem that although the spray head structure can be well applied, it is usually not convenient to open and close the whole of it, and thus it is not easy to clean and maintain this spray head structure as mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A metal powder laser cladding spray head structure includes a spray head body. An outer spray seat is fixed on the outer wall of the lower end of the spray head body. A powder injection port is arranged at the center position of the surface of the outer spray seat. One end of the powder injection port extends into the interior of the spray head body. A nozzle is arranged at the bottom end of the spray head body. A spray hole is arranged at the center position of the bottom of the nozzle. A first hexagonal nut is arranged at the top end of the spray head body. A closing bolt is installed inside the first hexagonal nut in a threaded manner. The top end of the closing bolt extends to the outside of the first hexagonal nut, and the bottom end of the closing bolt extends into the interior of the spray head body. An anti-slip disc is sleeved on the outer wall of the upper end of the closing bolt.

[0006] Preferably, a butting ring is provided at the upper end inside the nozzle body, and the top end of the butting ring touches the bottom end of the closing bolt. Through the arrangement of the butting ring, the bottom end of the closing bolt can be butt-limited.

[0007] Preferably, a clamp is provided on the outer wall of one side of the outer spray base, and a clamping groove is provided inside the clamp. Through the arrangement of the clamping groove, the clamp can be sleeved on the rod-shaped component.

[0008] Preferably, a threaded seat is provided on the outer wall of the outer spray base away from the clamp, and a second hexagonal nut is threadedly installed on the outer wall of the threaded seat. By screwing the second hexagonal nut onto the outer wall of the threaded seat, the powder injection pipe can be placed.

[0009] Preferably, a powder injection pipe is provided inside the second hexagonal nut. One end of the powder injection pipe extends to the outside of the second hexagonal nut, and the other end of the powder injection pipe extends to the inside of the nozzle body. Through the arrangement of the powder injection pipe, the function of double-channel injecting metal powder of the nozzle structure can be realized in cooperation with the powder injection port.

[0010] Preferably, a locking bolt is installed on the outer wall of the clamp away from the outer spray base. One end of the locking bolt penetrates through one end of the clamp and is threadedly connected to the inner wall of the other end of the clamp. By passing one end of the locking bolt through one end of the clamp and screwing it into the other end of the clamp, the clamp can be locked and placed on the rod-shaped component.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: The metal powder laser cladding nozzle structure not only improves the convenience during the maintenance of the nozzle structure, but also achieves the purpose of being easy to position and install the nozzle structure, and moreover ensures the spraying efficiency of the metal powder during the use of the nozzle structure;

[0012] (1) By turning the closing bolt, the closing bolt rotates and slides upward inside the first hexagonal nut, and the lower end of the closing bolt is screwed out of the nozzle body, so that the upper end of the nozzle body can be opened and closed, which is convenient for cleaning and maintaining the inside of the nozzle body, thus improving the convenience during the maintenance of the nozzle structure;

[0013] (2) By providing a clamping groove inside the clamp, the clamp can be sleeved on the rod-shaped component. Then, turn the locking bolt, pass one end of the locking bolt through one end of the clamp and screw it into the other end of the clamp, so as to lock and place the clamp on the rod-shaped component, thus achieving the purpose of being easy to position and install the nozzle structure;

[0014] (3) By screwing the second hexagon nut into one end of the threaded seat, one end of the powder injection tube is inserted into the interior of the spray head body and installed on the right side of the spray head body. At this time, metal powder can be injected into the spray head body through the powder injection tube, and metal powder can also be injected into the spray head body through the powder injection port, thus achieving the purpose of dual-channel injection and spraying of metal powder, and ensuring the spraying efficiency of metal powder when the spray head structure is in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0016] Figure 2 is a top view structural schematic diagram of the spray head body of the present utility model;

[0017] Figure 3 is a bottom view structural schematic diagram of the nozzle of the present utility model;

[0018] Figure 4 is a top view structural schematic diagram of the present utility model.

[0019] In the figure: 1, spray head body; 2, outer spray seat; 3, nozzle; 301, spray hole; 4, powder injection port; 5, first hexagon nut; 6, anti-slip disk; 7, closing bolt; 8, threaded seat; 9, second hexagon nut; 10, powder injection tube; 11, clamp; 1101, clamp groove; 12, locking bolt; 13, abutting ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1-4 , an embodiment provided by the present utility model: a metal powder laser cladding spray head structure, including a spray head body 1, an abutting ring 13 is provided at the upper end inside the spray head body 1, and the bottom end of the abutting ring 13 touches the top end of the closing bolt 7;

[0022] During use, through the arrangement of the abutting ring 13, the bottom end of the closing bolt 7 can be abutted and limited;

[0023] An outer spray seat 2 is fixed on the outer wall of the lower end of the spray head body 1, a clamp 11 is provided on the outer wall of one side of the outer spray seat 2, and a clamp groove 1101 is provided inside the clamp 11;

[0024] During use, through the arrangement of the clamp groove 1101, the clamp 11 can be sleeved on a rod-shaped component;

[0025] A locking bolt 12 is installed on the outer wall of the clamp 11 on the side away from the outer spraying seat 2. One end of the locking bolt 12 penetrates through one end of the clamp 11 and is threadedly connected to the inner wall of the other end of the clamp 11;

[0026] During use, one end of the locking bolt 12 penetrates through one end of the clamp 11 and is screwed into the other end of the clamp 11 so as to lock and place the clamp 11 on the rod-shaped component;

[0027] A threaded seat 8 is provided on the outer wall of the outer spraying seat 2 on the side away from the clamp 11, and a second hexagon nut 9 is threadedly installed on the outer wall of the threaded seat 8;

[0028] During use, by screwing the second hexagon nut 9 onto the outer wall of the threaded seat 8, the powder injection pipe 10 can be placed and processed;

[0029] The powder injection pipe 10 is arranged inside the second hexagon nut 9. One end of the powder injection pipe 10 extends to the outside of the second hexagon nut 9, and the other end of the powder injection pipe 10 extends to the inside of the nozzle body 1;

[0030] During use, through the arrangement of the powder injection pipe 10, the function of injecting metal powder in a dual-channel manner for the nozzle structure can be realized in cooperation with the powder injection port 4;

[0031] A powder injection port 4 is provided at the center position of the surface of the outer spraying seat 2. One end of the powder injection port 4 extends to the inside of the nozzle body 1. A nozzle 3 is provided at the bottom end of the nozzle body 1. A spray hole 301 is provided at the center position of the bottom of the nozzle 3. A first hexagon nut 5 is provided at the top end of the nozzle body 1. A closing bolt 7 is threadedly installed inside the first hexagon nut 5. The top end of the closing bolt 7 extends to the outside of the first hexagon nut 5, and the bottom end of the closing bolt 7 extends to the inside of the nozzle body 1. An anti-slip disc 6 is sleeved on the outer wall of the upper end of the closing bolt 7.

[0032] When the embodiment of the present application is in use, first, through the setting of the hoop groove 1101, the clamp 11 is sleeved on the rod-shaped component. Subsequently, the locking bolt 12 is screwed, and one end of the locking bolt 12 penetrates through one end of the clamp 11 and is screwed into the other end of the clamp 11 to lock and place the clamp 11 on the rod-shaped component, thereby enabling the positioning and installation of the nozzle structure. After that, by screwing the second hexagon nut 9 into one end of the threaded seat 8, one end of the powder injection pipe 10 is inserted into the interior of the nozzle body 1 and installed on the right side of the nozzle body 1. At this time, metal powder can be injected into the nozzle body 1 through the powder injection pipe 10, and metal powder can also be injected into the nozzle body 1 through the powder injection port 4, enabling dual-channel injection and spraying of the metal powder. Furthermore, different metal powders can be quickly sprayed onto the workpiece to improve the spraying efficiency of the metal powder. In addition, the thread groove body inside the second hexagon nut 9 is provided with a dovetail structure, which is easy to thread-connect the larger-aperture area of the inner thread groove body to the outer wall of the threaded seat 8 and connect the smaller-aperture area of its inner side to the outer wall of the powder injection pipe 10 to meet the setting and installation requirements of the powder injection pipe 10. Finally, by screwing the closing bolt 7, the closing bolt 7 rotates and slides upward inside the first hexagon nut 5, and the lower end of the closing bolt 7 is screwed out of the outside of the nozzle body 1. At this time, the upper end of the nozzle body 1 is in an open state, which is easy to clean and maintain the interior of the nozzle body 1, thus completing the use of the nozzle structure.

Claims

1. A laser cladding nozzle structure for metal powder, characterized in that: It includes a nozzle body (1). An outer spray base (2) is fixed on the outer wall of the lower end of the nozzle body (1). A powder injection port (4) is provided at the center of the surface of the outer spray base (2). One end of the powder injection port (4) extends into the interior of the nozzle body (1). A nozzle (3) is provided at the bottom end of the nozzle body (1). A spray hole (301) is provided at the center of the bottom of the nozzle (3). A first hexagonal nut (5) is provided at the top end of the nozzle body (1). A closing bolt (7) is installed with internal threads in the first hexagonal nut (5). The top end of the closing bolt (7) extends outside the first hexagonal nut (5), and the bottom end of the closing bolt (7) extends into the interior of the nozzle body (1). An anti-slip disc (6) is sleeved on the outer wall of the upper end of the closing bolt (7).

2. The structure of a metal powder laser cladding nozzle according to claim 1, wherein: An abutting ring (13) is provided at the upper end inside the nozzle body (1). The top end of the abutting ring (13) touches the bottom end of the closing bolt (7).

3. The structure of a metal powder laser cladding nozzle according to claim 1, wherein: A clamp (11) is provided on the outer wall of one side of the outer spray base (2). A clamping groove (1101) is provided inside the clamp (11).

4. A metal powder laser cladding nozzle structure according to claim 1, characterized in that: A threaded seat (8) is provided on the outer wall of the outer spray base (2) on the side away from the clamp (11). A second hexagonal nut (9) is installed with threads on the outer wall of the threaded seat (8).

5. The structure of a metal powder laser cladding nozzle according to claim 4, characterized in that: A powder injection pipe (10) is provided inside the second hexagonal nut (9). One end of the powder injection pipe (10) extends outside the second hexagonal nut (9), and the other end of the powder injection pipe (10) extends into the interior of the nozzle body (1).

6. The structure of a metal powder laser cladding nozzle according to claim 3, characterized in that: A locking bolt (12) is installed on the outer wall of the clamp (11) on the side away from the outer spray base (2). One end of the locking bolt (12) penetrates through one end of the clamp (11) and is threadedly connected to the inner wall of the other end of the clamp (11).

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