A spray gun head for refractory spray material

Abstract

The utility model relates to a spraying equipment technical field especially relates to a kind of spray gun head for refractory coating, including gun body, the one end of gun body is detachably connected with spray head, the other end of gun body is detachably connected with gun seat, the outside fixed connection of gun body has water inlet pipe, the inside of water inlet pipe is connected with the inside of gun body, the inside of gun body is provided with mixing cylinder, a plurality of atomizing holes are set up on the mixing cylinder, the clearance is reserved between the mixing cylinder and gun body inner wall, the inside of mixing cylinder two ends is connected with the inside of gun seat, spray head respectively.The utility model spray gun head for refractory coating, water mist and coating can be mixed, not only can effectively reduce the dust generation in the spraying process, but also can improve the wettability and flowability of refractory coating, to improve its adhesion and uniformity, realize the fine processing and efficient spraying of refractory coating, to significantly improve the construction quality and operation efficiency of refractory layer.

Description

Technical Field

[0001] This utility model belongs to the field of spraying equipment technology, and in particular relates to a spray gun head for refractory spraying coating. Background Technology

[0002] In the field of refractory material spraying, traditional spraying methods often rely on directly spraying the refractory coating material from the spraying equipment using compressed air to achieve material coverage on the working surface. While this method can meet basic spraying requirements to a certain extent, it has revealed a series of technical defects and limitations in practical applications.

[0003] Traditional spraying methods lack effective pretreatment of refractory spray coatings. The coating is typically sprayed directly in a dry or semi-dry state, leading to dust generation during the process, affecting the cleanliness of the work environment, and increasing health risks for operators. Furthermore, the adhesion and uniformity of the dried coating to the work surface are often difficult to guarantee, thus affecting the overall quality and durability of the refractory layer. Therefore, this application proposes a spray gun head for refractory spray coatings. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide a spray gun head for refractory spraying coating, which can mix water mist with refractory spraying coating, which can not only effectively reduce dust generation during the spraying process, but also improve the wettability and flowability of the refractory coating, thereby improving the adhesion and uniformity of the refractory spraying coating.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A spray gun head for refractory spray coating includes a gun body, one end of which is detachably connected to a spray head, and the other end of which is detachably connected to a gun base. A water inlet pipe is fixedly connected to the outside of the gun body, and the inside of the water inlet pipe is connected to the inside of the gun body. A mixing cylinder is provided inside the gun body, and the mixing cylinder has multiple atomizing holes. A gap is reserved between the mixing cylinder and the inner wall of the gun body. The two ends of the inside of the mixing cylinder are respectively connected to the inside of the gun base and the inside of the spray head.

[0007] In a preferred embodiment, a control valve is provided on the water inlet pipe for controlling the flow of the water inlet pipe.

[0008] In a preferred embodiment, the gap reserved between the mixing cylinder and the inner wall of the gun body is set as a flow divider, and the internal space of the mixing cylinder is set as a mixing chamber.

[0009] In a preferred embodiment, the spray head is constricted, with the smaller end of the spray head being the end furthest from the gun body.

[0010] In a preferred embodiment, the gun base has a first external thread at one end near the gun body, and the gun body has a first internal thread on the inner side of one end near the gun base. The gun base and the gun body are threaded together by the first external thread and the first internal thread. The spray head has a second external thread at one end near the gun body, and the gun body has a second internal thread on the inner side of one end near the spray head. The spray head and the gun body are threaded together by the second external thread and the second internal thread.

[0011] In a preferred embodiment, a limiting ring is fixedly connected inside the nozzle near one end of the gun body. When the nozzle is connected to the gun body, one end of the mixing cylinder is in contact with the inner end of the gun body, and the other end of the mixing cylinder extends into the nozzle and is in contact with the limiting ring.

[0012] In a preferred embodiment, the gun mount is provided with a plurality of pin holes.

[0013] Compared with existing technologies, the beneficial effects of this utility model are:

[0014] The spray gun head for refractory spraying provided by this utility model can mix water mist with the spraying material. The addition of water mist can not only effectively reduce dust generation during the spraying process, but also improve the wettability and flowability of the refractory coating, thereby improving its adhesion and uniformity, realizing the fine processing and efficient spraying of refractory spraying material, and thus significantly improving the construction quality and work efficiency of the refractory layer. Attached Figure Description

[0015] Figure 1 A schematic diagram of the overall structural connection state of the spray gun head for the refractory spray coating provided by this utility model;

[0016] Figure 2 A schematic diagram of the overall structure of the spray gun head for the refractory spray coating provided by this utility model in a separated state.

[0017] Figure 3 A cross-sectional view of the overall structural connection state of the spray gun head for the refractory spray coating provided by this utility model;

[0018] Figure 4 A cross-sectional view of the overall structure of the spray gun head for the refractory spray coating provided by this utility model in a separated state.

[0019] In the diagram: 1. Gun body; 2. Injector head; 3. Gun base; 4. Water inlet pipe; 5. Control valve; 6. Mixing cylinder; 7. First external thread; 8. First internal thread; 9. Second external thread; 10. Second internal thread; 11. Limiting ring; 12. Mixing chamber; 13. Diverting chamber; 14. Atomizing hole; 15. Pin hole. Detailed Implementation

[0020] In the description of this utility model, it should be understood that the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0021] Unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] like Figures 1-4 A spray gun head for refractory spray coating includes a gun body 1, one end of which is detachably connected to a spray head 2, and the other end of which is detachably connected to a gun base 3. A water inlet pipe 4 is fixedly connected to the outside of the gun body 1, and the inside of the water inlet pipe 4 is connected to the inside of the gun body 1. A mixing cylinder 6 is provided inside the gun body 1, and a plurality of atomizing holes 14 are opened on the mixing cylinder 6. A gap is reserved between the mixing cylinder 6 and the inner wall of the gun body 1. The two ends of the inside of the mixing cylinder 6 are respectively connected to the inside of the gun base 3 and the inside of the spray head 2.

[0023] A control valve 5 is installed on the water inlet pipe 4 for controlling the passage of the water inlet pipe 4.

[0024] The gap reserved between the mixing cylinder 6 and the inner wall of the gun body 1 is set as a diversion cavity 13, and the internal space of the mixing cylinder 6 is set as a mixing cavity 12.

[0025] The nozzle 2 is constricted, with the smaller end of the nozzle 2 being the end furthest from the gun body 1.

[0026] The gun base 3 has a first external thread 7 at one end near the gun body 1, and the gun body 1 has a first internal thread 8 on the inner side of one end near the gun base 3. The gun base 3 and the gun body 1 are threaded together by the first external thread 7 and the first internal thread 8. The spray head 2 has a second external thread 9 at one end near the gun body 1, and the gun body 1 has a second internal thread 10 on the inner side of one end near the spray head 2. The spray head 2 and the gun body 1 are threaded together by the second external thread 9 and the second internal thread 10.

[0027] The nozzle 2 is fixedly connected to a limiting ring 11 at one end near the gun body 1. When the nozzle 2 is connected to the gun body 1, one end of the mixing cylinder 6 is in contact with the side end of the flow diversion cavity 13 inside the gun body 1, and the other end of the mixing cylinder 6 extends into the nozzle 2 and is in contact with the limiting ring 11.

[0028] The gun mount 3 is provided with multiple pin holes 15.

[0029] In use, the spray gun head is connected to the spraying belt via a pin in the pin hole. The spraying belt is connected to the spraying machine. The dry refractory spray material is transported by compressed air generated by the air compressor through the spraying belt. After the refractory spray material reaches the spray gun head, it is connected to the water pump through the water inlet pipe 4. High-pressure water enters the gun body 1 through the water inlet pipe 4. After passing through the inside of the gun body 1, the high-pressure water is divided in the diversion chamber 13. Then, it passes through the atomizing hole 14 on the mixing cylinder 6 to turn the high-pressure water into fine mist. The fine mist is fully mixed with the transported refractory spray material in the mixing cylinder 6 to form wet refractory spray material. The wet refractory spray material passes through the constricted spray head 2 to form a high-pressure, uniformly mixed refractory spray material, which is then sprayed onto the working surface, and the operation is completed.

[0030] To make the objectives, technical solutions, and technical effects of this utility model clearer, the technical solutions in the embodiments of this utility model are now described clearly and completely. However, the embodiments described below are only some embodiments of this utility model, not all embodiments. All other embodiments obtained by those skilled in the art in conjunction with the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0031] Example 1:

[0032] A spray gun head for refractory coating includes a gun body 1. A spray head 2 is detachably mounted on one end of the gun body 1. To facilitate control of the coating spray direction, the spray head 2 has a constricted design, with the smaller diameter end of the spray head 2 being the end furthest from the gun body 1. A gun base 3 is detachably connected to the other end of the gun body 1. A water inlet pipe 4 is fixedly connected to the outside of the gun body 1, and the interior of the water inlet pipe 4 communicates with the interior of the gun body 1. A control valve 5 is installed on the water inlet pipe 4 to control its flow. A mixing cylinder 6 is also installed inside the gun body 1, with multiple atomizing holes 14. A gap is reserved between the mixing cylinder 6 and the inner wall of the gun body 1. The two ends of the mixing cylinder 6 are respectively connected to the gun base 3 and the interior of the spray head 2. To facilitate water diversion and coating mixing, the gap between the mixing cylinder 6 and the inner wall of the gun body 1 is configured as a diversion chamber 13, and the interior space of the mixing cylinder 6 is configured as a mixing chamber 12.

[0033] Example 2:

[0034] The spray gun head for the refractory spray coating provided in Example 1 has been further optimized, specifically, as follows: Figure 4 As shown, the gun holder 3 has a first external thread 7 at one end near the gun body 1, and the gun body 1 has a first internal thread 8 on the inner side of one end near the gun holder 3. The gun holder 3 and the gun body 1 are connected by the first external thread 7 and the first internal thread 8. The nozzle 2 has a second external thread 9 at one end near the gun body 1, and the gun body 1 has a second internal thread 10 on the inner side of one end near the nozzle 2. The nozzle 2 and the gun body 1 are connected by the second external thread 9 and the second internal thread 10.

[0035] The above structural design makes it relatively convenient and quick to install and disassemble the gun body 1, the spray head 2, and the gun base 3.

[0036] Example 3:

[0037] The spray gun head for the refractory spray coating provided in Example 1 has been further optimized, specifically, as follows: Figure 4 As shown, a limiting ring 11 is fixedly connected inside the nozzle 2 near one end of the gun body 1. When the nozzle 2 is connected to the gun body 1, one end of the mixing cylinder 6 is in contact with the side end of the diversion cavity 13 inside the gun body 1, and the other end of the mixing cylinder 6 extends into the nozzle 2 and is in contact with the limiting ring 11. The gun base 3 is provided with multiple pin holes 15.

[0038] Through the above structural design, the spray head 2 achieves movement limitation of the mixing cylinder 6, thus keeping the mixing cylinder 6 stable when the spray head 2 is connected to the gun body 1. After the spray head 2 is removed, the mixing cylinder 6 can be taken out from the gun body 1 for cleaning or replacement, which is quite convenient. The gun base 3 is connected to the spraying belt of the spraying machine through a pin installed in the pin hole 15.

[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and basic spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A spray gun head for refractory spray coating, characterized in that, The gun includes a gun body, one end of which is detachably connected to a spray head, and the other end of which is detachably connected to a gun base. A water inlet pipe is fixedly connected to the outside of the gun body, and the inside of the water inlet pipe is connected to the inside of the gun body. A mixing cylinder is provided inside the gun body, and the mixing cylinder has multiple atomizing holes. A gap is reserved between the mixing cylinder and the inner wall of the gun body. The two ends of the inside of the mixing cylinder are respectively connected to the inside of the gun base and the inside of the spray head.

2. The spray gun head for refractory spray coating according to claim 1, characterized in that, A control valve is installed on the water inlet pipe for controlling the flow of the water inlet pipe.

3. The spray gun head for refractory spray coating according to claim 1, characterized in that, The gap between the mixing cylinder and the inner wall of the gun body is set as a flow divider, and the internal space of the mixing cylinder is set as a mixing chamber.

4. The spray gun head for refractory spray coating according to claim 1, characterized in that, The nozzle is constricted, with the smaller end of the nozzle being the end furthest from the gun body.

5. The spray gun head for refractory spray coating according to claim 1, characterized in that, The gun base has a first external thread at one end near the gun body, and the gun body has a first internal thread on the inner side of one end near the gun base. The gun base and the gun body are threaded together by the first external thread and the first internal thread. The nozzle has a second external thread at one end near the gun body, and the gun body has a second internal thread on the inner side of one end near the nozzle. The nozzle and the gun body are threaded together by the second external thread and the second internal thread.

6. The spray gun head for refractory spray coating according to claim 1, characterized in that, A limiting ring is fixedly connected inside the nozzle near one end of the gun body. When the nozzle is connected to the gun body, one end of the mixing cylinder is attached to the inner end of the gun body, and the other end of the mixing cylinder extends into the nozzle and is attached to the limiting ring.

7. The spray gun head for refractory spray coating according to claim 1, characterized in that, The gun mount has multiple pin holes.

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