Continuous operation plasma spraying gun head capable of rapidly dissipating heat through high-pressure water cooling

By adopting a high-pressure water-cooled rapid heat dissipation design in the plasma spray gun head, the problem of spray gun blockage caused by excessive gun head temperature is solved, and the efficiency of spraying work is improved.

CN222557020UActive Publication Date: 2025-03-04QINGDAO HAINA KEDA ADDITIVE MFG CO LTD
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Patent Information

Application Number
CN202421312106.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-03-04
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

The lack of cooling device during continuous operation of plasma spray gun heads leads to excessive temperature of the gun head, blocking the spray gun, affecting the spray work and reducing working efficiency.

Method used

It adopts a high-pressure water-cooling design that quickly dissipates heat, including spray guns, spraying mechanisms and cooling mechanisms, and achieves efficient heat dissipation through water-cooled pipes and high-pressure nozzles.

Benefits of technology

It effectively reduces the temperature of the plasma spray gun head, avoids the spray gun blockage, and improves the efficiency of spraying work.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a continuous operation plasma spraying gun head capable of rapidly dissipating heat through high-pressure water cooling. The continuous operation plasma spraying gun head comprises a spraying gun, the left side of the spraying mechanism is fixedly connected with the right side of the spraying gun, the spraying mechanism comprises a fixing block, a circular sleeve and a gun head body, the right side of the surface of the fixing block is fixedly connected with the circular sleeve, and the left side of the spraying gun is fixedly connected with the gun head body; the left side of the cooling mechanism is fixedly connected with the right side of the circular sleeve, the cooling mechanism comprises a semicircular block, an inclined rod, a vertical rod, a supporting block, a water cooling pipe and a high-pressure spray head, the inclined rod is fixedly connected with the right side of the semicircular block, and the vertical rod is fixedly connected with the top of the inclined rod. According to the plasma spraying gun head, the hand pulling block moves the control rod rightwards to drive the control rod to move rightwards to be away from the rectangular plate, the U-shaped rod is pulled downwards to be away from the circular sleeve, and the working efficiency of the plasma spraying gun head is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of plasma spray gun heads, in particular to a continuous operation plasma spray gun head which utilizes high-pressure water cooling to quickly dissipate heat. 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.: CN211529913U, the utility model discloses an improved gun head for plasma etching spraying equipment, including a gun head base, a hollow core shaft is sleeved in the gun head base, an insulating ceramic tube is sleeved in the outer wall of the hollow core shaft, a sleeve is sleeved in the outer wall of the insulating ceramic tube, a nozzle is sleeved in the end face of the sleeve, a spiral guide groove is opened in the inner wall of the nozzle, a locking sleeve is clamped between the nozzle and the sleeve, a ceramic seat is sleeved in the inner wall of the insulating ceramic tube, an electrode is sleeved on the ceramic seat, the electrode is connected to the high-voltage line, a ventilation groove is opened on one side of the ceramic seat, an air inlet pipe is sleeved in the outer wall of the ceramic seat, a plurality of air outlets are opened on the end face of the insulating ceramic tube, and a diverter rod is clamped in the air outlet. The electrode generates plasma through the high-voltage line, the air inlet pipe introduces compressed gas into the ventilation groove, the compressed gas is dispersed and flows out through the air outlet, and the diverter rod diverts the gas, the gas is evenly distributed to blow out the plasma completely, and the gas moves spirally when flowing through the spiral guide groove, so that the plasma is evenly distributed and finally sprayed out from the nozzle for easy spraying.

[0004] However, during the use of the plasma spray gun head in the comparative case, no cooling device was set, resulting in the temperature of the gun head being too high when the plasma spray gun head was in continuous operation, clogging the spray gun and thus affecting the spraying work, thereby reducing the working efficiency of the plasma spray gun head; therefore, in response to the above problem, a continuous operation plasma spray gun head that uses high-pressure water cooling to quickly dissipate heat is proposed. 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 continuous operation plasma spray gun head that utilizes high-pressure water cooling to quickly dissipate heat, which has the advantages of water cooling and heat dissipation, and solves the problem that the plasma spray gun head in the comparative case is not equipped with a cooling device, resulting in the temperature of the plasma spray gun head being too high during continuous operation, clogging the spray gun and thus affecting the spraying work.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a continuous operation plasma spray gun head that uses high-pressure water cooling to quickly dissipate heat, comprising:

[0007] spray gun;

[0008] A spraying mechanism, the left side of which is fixedly connected to the right side of the spray gun, the spraying mechanism comprising a fixed block, a circular sleeve and a gun head body, the right side of the fixed block surface is fixedly connected to the circular sleeve, and the left side of the spray gun is fixedly connected to the gun head body;

[0009] A cooling mechanism, wherein the left side of the cooling mechanism is fixedly connected to the right side of the circular sleeve, and the cooling mechanism comprises a semicircular block, an oblique rod, a vertical rod, a support block, a water-cooling pipe and a high-pressure nozzle. The right side of the semicircular block is fixedly connected to the oblique rod, the top of the oblique rod is fixedly connected to the vertical rod, the top of the vertical rod is fixedly connected to the support block, the left side of the support block is fixedly connected to the water-cooling pipe, and the left side of the water-cooling pipe is fixedly connected to the high-pressure nozzle.

[0010] As a preferred embodiment of the present invention, the inner cavity of the fixing block is movably connected with a U-shaped rod, and the bottom of the U-shaped rod penetrates to the bottom of the circular sleeve.

[0011] As a preferred embodiment of the utility model, the bottom of the circular sleeve is fixedly connected to a fixing plate, the inner cavity of the fixing plate is movably connected to a rectangular plate, the bottom of the rectangular plate passes through the bottom of the fixing plate and is fixedly connected to the top of the U-shaped rod, the inner cavity of the rectangular plate is movably connected to a control rod, the left side of the control rod passes through the inner cavity of the fixing plate, and the right side of the control rod passes through the right side of the fixing plate.

[0012] As a preferred embodiment of the utility model, a sleeve plate is fixedly connected to the surface of the control rod and the right side of the corresponding fixed plate, and the front end and back end of the left side of the sleeve plate are fixedly connected to a return spring, and the left side of the return spring is fixedly connected to the right side of the fixed plate.

[0013] As a preferred embodiment of the utility model, a hand-pull block is fixedly connected to the right side of the control rod, and the hand-pull block and the control rod are used in conjunction with each other.

[0014] As a preferred embodiment of the present invention, a circular hole is provided in the inner cavity of the fixing plate at a position corresponding to the control rod, and the circular hole is used in conjunction with the fixing plate.

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

[0016] 1. The utility model cooperates with a hand-pull block, a control rod, a rectangular plate, a U-shaped rod and a circular sleeve. The hand-pull block moves the control rod to the right to drive the control rod to move to the right away from the rectangular plate, and the U-shaped rod is pulled downward to move the U-shaped rod away from the circular sleeve, thereby improving the working efficiency of the plasma spray gun head.

[0017] 2. The utility model can assist the work of the fixing block by setting the U-shaped rod, thereby avoiding the problem that the circular sleeve cannot be fixed on the surface of the fixing block. 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 explosion structure of the middle U-shaped rod;

[0020] Figure 3 For this utility model Figure 2 Schematic diagram of the three-dimensional structure of the middle rectangular plate;

[0021] Figure 4 For this utility model Figure 2 Schematic diagram of the three-dimensional structure of the middle fixed block;

[0022] Figure 5 For this utility model Figure 2 Schematic diagram of the three-dimensional structure of the medium circular sleeve.

[0023] In the figure: 1. spray gun; 2. spraying mechanism; 201. fixed block; 202. circular sleeve; 203. gun head body; 3. cooling mechanism; 301. semicircular block; 302. oblique rod; 303. vertical rod; 304. support block; 305. water cooling pipe; 306. high-pressure nozzle; 4. U-shaped rod; 5. fixed plate; 6. rectangular plate; 7. control rod; 8. sleeve plate; 9. reset spring; 10. hand pull block; 11. circular hole. DETAILED DESCRIPTION

[0024] 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.

[0025] like Figures 1 to 5 As shown, the utility model provides a continuous operation plasma spray gun head that uses high-pressure water cooling to quickly dissipate heat, including:

[0026] Spray gun 1;

[0027] The spraying mechanism 2, the left side of the spraying mechanism 2 and the right side of the spray gun 1 are fixedly connected, the spraying mechanism 2 comprises a fixed block 201, a circular sleeve 202 and a gun head body 203, the right side of the surface of the fixed block 201 is fixedly connected with the circular sleeve 202, and the left side of the spray gun 1 is fixedly connected with the gun head body 203;

[0028] The cooling mechanism 3 is fixedly connected to the left side of the circular sleeve 202. The cooling mechanism 3 includes a semicircular block 301, an oblique rod 302, a vertical rod 303, a support block 304, a water cooling pipe 305 and a high-pressure nozzle 306. The right side of the semicircular block 301 is fixedly connected to the oblique rod 302, the top of the oblique rod 302 is fixedly connected to the vertical rod 303, the top of the vertical rod 303 is fixedly connected to the support block 304, the left side of the support block 304 is fixedly connected to the water cooling pipe 305, and the left side of the water cooling pipe 305 is fixedly connected to the high-pressure nozzle 306.

[0029] refer to Figure 2 The inner cavity of the fixed block 201 is movably connected with a U-shaped rod 4, and the bottom of the U-shaped rod 4 penetrates to the bottom of the circular sleeve 202.

[0030] As a technical optimization solution of the present invention, the U-shaped rod 4 is provided to assist the fixing block 201 in its operation, thereby preventing the circular sleeve 202 from being unable to be fixed on the surface of the fixing block 201 .

[0031] refer to Figure 2 The bottom of the circular sleeve 202 is fixedly connected to a fixed plate 5, the inner cavity of the fixed plate 5 is movably connected to a rectangular plate 6, the bottom of the rectangular plate 6 passes through the bottom of the fixed plate 5 and the top of the U-shaped rod 4 and is fixedly connected, the inner cavity of the rectangular plate 6 is movably connected to a control rod 7, the left side of the control rod 7 passes through the inner cavity of the fixed plate 5, and the right side of the control rod 7 passes through the right side of the fixed plate 5.

[0032] As a technical optimization solution of the utility model, the setting of the fixing plate 5, the rectangular plate 6 and the control rod 7 can assist the circular sleeve 202 to work, thereby preventing the U-shaped rod 4 from falling off easily.

[0033] refer to Figure 2 A sleeve plate 8 is fixedly connected to the surface of the control rod 7 and the right side of the corresponding fixed plate 5. The front end and the back end of the left side of the sleeve plate 8 are fixedly connected to a return spring 9. The left side of the return spring 9 is fixedly connected to the right side of the fixed plate 5.

[0034] As a technical optimization solution of the utility model, the setting of the sleeve plate 8 and the return spring 9 can assist the control rod 7 in working, thereby preventing the control rod 7 from being unable to automatically rebound and jam the rectangular plate 6.

[0035] refer to Figure 2 A hand-pull block 10 is fixedly connected to the right side of the control rod 7, and the hand-pull block 10 and the control rod 7 are used in conjunction with each other.

[0036] As a technical optimization solution of the present invention, the hand-pull block 10 is provided to assist the control rod 7 in working, thereby preventing the control rod 7 from being difficult to pull manually.

[0037] refer to Figure 3 A circular hole 11 is provided in the inner cavity of the fixing plate 5 and corresponds to the position of the control rod 7 , and the circular hole 11 and the fixing plate 5 are used in conjunction with each other.

[0038] As a technical optimization solution of the present invention, the circular hole 11 is provided to assist the fixing plate 5 in working, thereby preventing the control rod 7 from being unable to be inserted.

[0039] The working principle and usage process of the utility model are as follows: when in use, the user moves the control rod 7 to the right through the hand pull block 10 to drive the control rod 7 to move to the right away from the rectangular plate 6, pulls the U-shaped rod 4 downward to make the U-shaped rod 4 away from the circular sleeve 202, and then removes the heat dissipation device through the circular sleeve 202. When installation is required, the same is true in reverse. The reset spring 9 drives the sleeve plate 8 to automatically move to the left to clamp the control rod 7 into the circular hole 11 to fix the rectangular plate 6 and the U-shaped rod 4.

[0040] In summary: the continuous operation plasma spray gun head which utilizes high-pressure water cooling for rapid heat dissipation, through the coordinated use of the spray gun 1, the spray mechanism 2, the fixed block 201, the circular sleeve 202, the gun head body 203, the cooling mechanism 3, the semicircular block 301, the inclined rod 302, the vertical rod 303, the support block 304, the water cooling pipe 305, the high-pressure spray head 306, the U-shaped rod 4, the fixed plate 5, the rectangular plate 6, the control rod 7, the sleeve plate 8, the return spring 9, the hand pull block 10 and the circular hole 11, solves the problem in the comparative case that the plasma spray gun head in the comparative case has no cooling device, resulting in the temperature of the gun head being too high during continuous operation of the plasma spray gun head, clogging the spray gun and thus affecting the spraying work.

[0041] 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.

[0042] 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 continuous operation plasma spray gun head that uses high pressure water cooling to quickly dissipate heat, characterized in that: include: Spray gun (1); A spraying mechanism (2), wherein the left side of the spraying mechanism (2) is fixedly connected to the right side of the spray gun (1), the spraying mechanism (2) comprising a fixing block (201), a circular sleeve (202) and a gun head body (203), the right side of the surface of the fixing block (201) being fixedly connected to the circular sleeve (202), and the left side of the spray gun (1) being fixedly connected to the gun head body (203); A cooling mechanism (3), wherein the left side of the cooling mechanism (3) is fixedly connected to the right side of the circular sleeve (202), and the cooling mechanism (3) comprises a semicircular block (301), an oblique rod (302), a vertical rod (303), a support block (304), a water cooling pipe (305) and a high-pressure nozzle (306), wherein the right side of the semicircular block (301) is fixedly connected to the oblique rod (302), the top of the oblique rod (302) is fixedly connected to the vertical rod (303), the top of the vertical rod (303) is fixedly connected to the support block (304), the left side of the support block (304) is fixedly connected to the water cooling pipe (305), and the left side of the water cooling pipe (305) is fixedly connected to the high-pressure nozzle (306).

2. The continuous operation plasma spray gun head utilizing high pressure water cooling for rapid heat dissipation according to claim 1, characterized in that: The inner cavity of the fixing block (201) is movably connected to a U-shaped rod (4), and the bottom of the U-shaped rod (4) penetrates to the bottom of the circular sleeve (202).

3. The continuous operation plasma spray gun head utilizing high pressure water cooling for rapid heat dissipation according to claim 1, characterized in that: The bottom of the circular sleeve (202) is fixedly connected to a fixing plate (5), the inner cavity of the fixing plate (5) is movably connected to a rectangular plate (6), the bottom of the rectangular plate (6) penetrates the bottom of the fixing plate (5) and is fixedly connected to the top of the U-shaped rod (4), the inner cavity of the rectangular plate (6) is movably connected to a control rod (7), the left side of the control rod (7) penetrates the inner cavity of the fixing plate (5), and the right side of the control rod (7) penetrates the right side of the fixing plate (5).

4. The continuous operation plasma spray gun head using high pressure water cooling for rapid heat dissipation according to claim 3, characterized in that: A sleeve plate (8) is fixedly connected to the surface of the control rod (7) and the right side of the corresponding fixing plate (5), and a return spring (9) is fixedly connected to the front end and the back end of the left side of the sleeve plate (8), and the left side of the return spring (9) is fixedly connected to the right side of the fixing plate (5).

5. The continuous operation plasma spray gun head utilizing high pressure water cooling for rapid heat dissipation according to claim 3, characterized in that: A hand-pull block (10) is fixedly connected to the right side of the control rod (7), and the hand-pull block (10) and the control rod (7) are used in conjunction with each other.

6. The continuous operation plasma spray gun head utilizing high pressure water cooling for rapid heat dissipation according to claim 3, characterized in that: A circular hole (11) is provided in the inner cavity of the fixing plate (5) at a position corresponding to the control rod (7), and the circular hole (11) and the fixing plate (5) are used in conjunction with each other.

Citation Information

Patent Citations

  • Improved gun head of plasma etching and spraying equipment

    CN211529913U