Protective heating device for thermal spraying

Abstract

The utility model discloses a protective heating device for thermal spraying, which relates to the technical field of protective heating for thermal spraying and comprises a heating box, a fuel filling port arranged on the top surface of the heating box and a fuel discharge port arranged on one side of the surface of the heating box. According to the utility model, the heating box is filled with hot injection fuel, and the heating liquid carried in the bearing cavity is utilized, so that the circulating heating pump firstly carries out extraction and heating through the suction pipe, and the heated heating liquid enters the bearing cavity again through the discharge pipe; at the moment, the heat conduction pipe can transfer heat energy to the hot spraying fuel in the heating box, then the temperature of the hot spraying fuel is equalized through the stirring rod, and finally the hot spraying fuel is extracted through the extraction pipe arranged at the bottom of the conveying pump, so that the hot spraying fuel is successfully transmitted to the hot spraying gun through the spraying gun connector; the defect that most devices only adopt heat preservation instead of heating is overcome, the heating effect of thermal spraying fuel is improved, the working effect of the thermal spraying gun is improved, and meanwhile potential safety hazards are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal spraying protection heating, and particularly relates to a protection heating device for thermal spraying. Background Art

[0002] Thermal spraying refers to heating and melting a coating material, atomizing it into extremely fine particles with a high-speed gas flow, and spraying it onto the surface of a workpiece at a very high speed to form a coating. By selecting different coating materials as needed, one or several properties such as wear resistance, corrosion resistance, oxidation resistance, and heat resistance can be obtained.

[0003] The applicant found through retrieval that the Chinese patent discloses "A Protection Heating Device and Method for Thermal Spraying", with the publication number "CN116791020A", which includes a protection cover and a preheating cover. The housing of the protection cover includes an inner housing and an outer housing. The space between the inner housing and the outer housing is a heating chamber, and a first heating coil is provided in the heating chamber. A first protection gas inlet is provided at the upper end of the protection cover, and the first protection gas inlet is communicated with the inside of the protection cover. A spray gun is fixedly connected to the upper end of the protection cover, and the spray gun extends into the protection cover. A support is fixedly installed on the upper part of the protection cover, and the lower end of the support is connected to the preheating cover. A second protection gas outlet and a second heating coil are provided in the preheating cover. The present invention can effectively improve the performance of the thermal spraying coating and the stability of the manufacturing process;

[0004] However, for existing thermal spraying protection heating devices, the thermal spraying fuel they carry inside generally adopts heat preservation instead of effective heating. At the same time, this will cause the fuel to fail to achieve its due effect when entering the spray gun, resulting in the accumulation of thermal spraying fuel inside the spray gun, thus forming a safety hazard. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a protection heating device for thermal spraying to solve the problem in the above-mentioned background art that for existing thermal spraying protection heating devices, the thermal spraying fuel they carry inside generally adopts heat preservation instead of effective heating. At the same time, this will cause the fuel to fail to achieve its due effect when entering the spray gun, resulting in the accumulation of thermal spraying fuel inside the spray gun, thus forming a safety hazard.

[0006] To achieve the above object, the utility model provides the following technical solution: A protective heating device for thermal spraying, comprising a heating box, a fuel filling port provided on the top surface, and a fuel discharge port provided on one side of the surface. A heat conduction pipe is fixedly connected to the inner wall of the heating box, which can store heating liquid inside to keep the thermal spraying fuel warm. A stirring rod is provided inside the heating box, which can fully stir and heat the internal thermal spraying fuel by rotation. A delivery pump is provided on one side of the top surface of the heating box, which can extract the internally heated thermal spraying fuel.

[0007] Preferably, the heat conduction pipe is fixedly connected to the inner wall of the heating box, and a bearing cavity is provided inside the heat conduction pipe.

[0008] Preferably, a tray is fixedly connected to one side of the surface of the heating box, and a circulating heating pump is fixedly connected to the top surface of the tray.

[0009] Preferably, the output end of the circulating heating pump is fixedly connected to a suction pipe, and one end of the suction pipe penetrates the inner wall of the heating box and extends into the bearing cavity. The input end of the circulating heating pump is fixedly connected to a discharge pipe, and the discharge pipe is located at the top of the suction pipe. One end of the discharge pipe penetrates the inner wall of the heating box and extends into the bearing cavity.

[0010] Preferably, the stirring rod is rotatably connected to the top surface of the inner wall of the heating box, and a plurality of stirring blades are fixedly connected to both sides of the rod wall of the stirring rod.

[0011] Preferably, a motor is fixedly connected to the center of the top surface of the heating box. A sealing block is provided inside the heating box. The output end of the motor penetrates the inside of the sealing block and is fixedly connected to the top end of the stirring rod.

[0012] Preferably, the delivery pump is fixedly connected to the top surface of the heating box and is located on one side of the motor. The output end of the delivery pump is fixedly connected to an extraction pipe, and the bottom end of the extraction pipe penetrates the top surface of the heating box and extends into the interior.

[0013] Preferably, a cushion block is fixedly connected to one side of the top surface of the heating box where the delivery pump is located. A spray gun interface is fixedly connected to the top surface of the cushion block. A converging block is fixedly connected to one side of the surface of the spray gun interface. A connecting pipe is fixedly connected to the converging block and the input end of the delivery pump together.

[0014] Technical effects and advantages of the present utility model: In the present utility model, hot spray fuel is filled into the heating box, and the heating liquid carried inside the bearing cavity is utilized. The circulating heating pump first extracts and heats through the suction pipe. After heating, the heated heating liquid will re-enter the bearing cavity through the discharge pipe. At this time, the heat conduction pipe will transfer the heat energy to the hot spray fuel inside the heating box. Subsequently, the hot spray fuel is evenly heated through the stirring rod. Finally, the hot spray fuel is extracted through the extraction pipe provided at the bottom of the delivery pump, and then successfully transmitted to the hot spray gun through the spray gun interface, avoiding the drawback that most devices only use heat preservation instead of heating, improving the heating effect of the hot spray fuel, enhancing the working effect of the hot spray gun, and reducing potential safety hazards at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 FIG. is a front sectional structural schematic diagram of the present utility model.

[0017] Figure 3 In the present utility model Figure 2 FIG. is an enlarged structural schematic diagram of part A.

[0018] Figure 4 FIG. is a three-dimensional structural schematic diagram of the delivery pump assembly of the present utility model.

[0019] In the figures: 1, heating box; 2, fuel filling port; 3, fuel discharge port; 4, heat conduction pipe; 401, bearing cavity; 402, tray; 403, circulating heating pump; 404, suction pipe; 405, discharge pipe; 5, stirring rod; 501, motor; 502, sealing block; 503, stirring blade; 6, delivery pump; 601, extraction pipe; 602, cushion block; 603, spray gun interface; 604, converging block; 605, connecting pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. 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] The present utility model provides as Figures 1-4A thermal spray protection heating device shown in the figure comprises a heating box 1, a fuel filling port 2 provided on the top surface, and a fuel discharge port 3 provided on one side of the surface. A heat pipe 4 capable of storing heating liquid inside so as to keep the hot spray fuel warm is fixedly connected to the inner wall of the heating box 1. A stirring rod 5 capable of fully stirring and heating the hot spray fuel inside by rotating is provided inside the heating box 1. A delivery pump 6 capable of extracting the hot spray fuel after the internal heating is provided on one side of the top surface of the heating box 1. The utility model allows the hot spray fuel to be filled inside the heating box 1, and the heating liquid carried inside the bearing cavity 401 is used to circulate the heating. The pump 403 first extracts and heats the liquid through the suction pipe 404, and the heated heating liquid re-enters the bearing cavity through the discharge pipe 405. At this time, the heat pipe 4 transfers the heat energy to the hot spray fuel in the heating box 1, and then the temperature of the hot spray fuel is evened through the stirring rod 5. Finally, the hot spray fuel is extracted through the extraction pipe 601 provided at the bottom of the delivery pump 6, and then successfully transmitted to the hot spray gun through the spray gun interface 603, avoiding the disadvantage that most devices only use insulation but not heating, improving the heating effect of the hot spray fuel, improving the working effect of the hot spray gun, and reducing safety hazards.

[0022] like Figures 1-3 As shown, the heat conducting pipe 4 is fixedly connected to the inner wall of the heating box 1, and a bearing cavity 401 is opened inside the heat conducting pipe 4, and a tray 402 is fixedly connected to one side of the surface of the heating box 1, and the tray 402 is used to receive the circulating heating pump 403 on the top, and the top surface of the tray 402 is fixedly connected to the circulating heating pump 403, and the output end of the circulating heating pump 403 is fixedly connected to a suction pipe 404, and the suction pipe 404 is used to extract the heating liquid from the inside of the receiving cavity 401, and one end of the suction pipe 404 passes through the inner wall of the heating box 1 and extends to the inside of the bearing cavity 401, and the input end of the circulating heating pump 403 is fixedly connected to a discharge pipe 405, and the discharge pipe 405 is used to discharge the heated liquid The heating liquid is re-transmitted to the interior of the bearing cavity 401, and the discharge pipe 405 is located at the top of the suction pipe 404, one end of the discharge pipe 405 passes through the inner wall of the heating box 1 and extends to the interior of the bearing cavity 401, the stirring rod 5 is rotatably connected to the top surface of the inner wall of the heating box 1, and a plurality of stirring blades 503 are fixedly connected to both sides of the rod wall of the stirring rod 5, a motor 501 is fixedly connected to the center of the top surface of the heating box 1, and a sealing block 502 is provided inside the heating box 1. The setting of the sealing block 502 can ensure that the internal hot injection fuel will not leak while the stirring rod 5 rotates, and the output end of the motor 501 passes through the interior of the sealing block 502 and is fixedly connected to the top of the stirring rod 5.

[0023] like Figure 4As shown in the figure, the transfer pump 6 is fixedly connected to the top surface of the heating tank 1 and is located on one side of the motor 501. The output end of the transfer pump 6 is fixedly connected with a suction pipe 601. The suction pipe 601 is used to suck the hot spray fuel after heating. The bottom end of the suction pipe 601 penetrates the top surface of the heating tank 1 and extends into the interior. On one side of the transfer pump 6 on the top surface of the heating tank 1, a cushion block 602 is fixedly connected. The top surface of the cushion block 602 is fixedly connected with a spray gun interface 603. On one side of the surface of the spray gun interface 603, a converging block 604 is fixedly connected. The converging block 604 can accumulate the hot spray fuel into the interior and then efficiently transmit it into the interior of the hot spray gun. The converging block 604 and the input end of the transfer pump 6 are jointly fixedly connected with a connecting pipe 605.

[0024] The working principle of the present utility model: When the present utility model is in use, first, hot spray fuel is injected through the fuel filling port 2. Then, the circulating heating pump 403 is started. The heating liquid is extracted from the interior of the bearing cavity 401 by means of the suction pipe 404 provided on one side of the circulating heating pump 403. Then, the heating liquid is heated inside the circulating heating pump 403. The heated heating liquid will re-enter the interior of the bearing cavity 401 through the discharge pipe 405. At this time, the heat conduction pipe 4 will generate heat and transmit the heat energy to the hot spray fuel contained inside the heating tank 1.

[0025] At this time, through the transmission of the motor 501, the stirring rod 5 drives the stirring blade 503, so that the hot spray fuel inside the heating tank 1 can be fully heated. Finally, the transfer pump 6 controls the suction pipe 601 to suck, so that the heated hot spray fuel can enter the interior of the spray gun interface 603 and finally be transmitted to the hot spray gun.

[0026] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A thermal spraying protective heating device, comprising a heating box (1), a fuel filling port (2) provided on the top surface, and a fuel discharge port (3) provided on one side of the surface, characterized in that: The inner wall of the heating box (1) is fixedly connected with a heat pipe (4) capable of storing heating liquid inside so as to keep the hot spray fuel warm. The interior of the heating box (1) is provided with a stirring rod (5) capable of fully stirring and heating the hot spray fuel inside by rotating. A delivery pump (6) capable of extracting the hot spray fuel that has been heated inside is provided on one side of the top surface of the heating box (1).

2. A thermal spraying protective heating device according to claim 1, characterized in that: The heat conducting pipe (4) is fixedly connected to the inner wall of the heating box (1), and a bearing cavity (401) is provided inside the heat conducting pipe (4).

3. A thermal spraying protective heating device according to claim 1, characterized in that: A tray (402) is fixedly connected to one side of the surface of the heating box (1), and a circulating heating pump (403) is fixedly connected to the top surface of the tray (402).

4. A thermal spraying protective heating device according to claim 3, characterized in that: The output end of the circulating heating pump (403) is fixedly connected to a suction pipe (404), and one end of the suction pipe (404) penetrates the inner wall of the heating box (1) and extends to the inside of the bearing cavity (401); the input end of the circulating heating pump (403) is fixedly connected to a discharge pipe (405), and the discharge pipe (405) is located at the top end of the suction pipe (404), and one end of the discharge pipe (405) penetrates the inner wall of the heating box (1) and extends to the inside of the bearing cavity (401).

5. The thermal spraying protective heating device according to claim 1, characterized in that: The stirring rod (5) is rotatably connected to the top surface of the inner wall of the heating box (1), and a plurality of stirring blades (503) are fixedly connected to both sides of the rod wall of the stirring rod (5).

6. A thermal spraying protective heating device according to claim 5, characterized in that: A motor (501) is fixedly connected at the center of the top surface of the heating box (1), a sealing block (502) is provided inside the heating box (1), and an output end of the motor (501) passes through the inside of the sealing block (502) and is fixedly connected to the top end of the stirring rod (5).

7. A thermal spraying protective heating device according to claim 1, characterized in that: The delivery pump (6) is fixedly connected to the top surface of the heating box (1) and is located on one side of the motor (501); an output end of the delivery pump (6) is fixedly connected to an extraction pipe (601); the bottom end of the extraction pipe (601) passes through the top surface of the heating box (1) and extends into the interior.

8. A thermal spraying protective heating device according to claim 1, characterized in that: The top surface of the heating box (1) is located on one side of the delivery pump (6) and is fixedly connected to a cushion block (602); the top surface of the cushion block (602) is fixedly connected to a spray gun interface (603); one side of the surface of the spray gun interface (603) is fixedly connected to a convergence block (604); the convergence block (604) and the input end of the delivery pump (6) are fixedly connected to a connecting pipe (605).

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