Rotary plasma spray gun
By using a detachable connection mechanism and acceleration components in the rotary plasma spray gun, the operation inconvenience problem when spraying complex parts is solved, achieving a more uniform spraying effect and higher operating safety.
Patent Information
- Application Number
- CN202420812096.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-18
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-04-18
AI Technical Summary
The existing gyro plasma spray guns are difficult to adapt to the spraying needs of different parts when spraying parts with relatively complex structures due to the fixed shape of the nozzle, which is difficult to adapt to the spraying needs of different parts.
A cyclonic plasma spray gun including a removable connection mechanism is designed, connecting the nozzle and the launch tube through a threaded tube, allowing the replacement of the nozzles of different shapes, and a magnetron coil and acceleration assembly are provided in the plasma generator to improve spray uniformity, Removable electrode needles and seals are provided to reduce leakage risk.
It realizes convenient spraying of complex structural parts, improves the uniformity and operational safety of spraying, and enhances the applicability and reliability of the spray gun.
Smart Images
Figure CN222283549U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of plasma equipment, and in particular to a rotary plasma spray gun. Background Art
[0002] The rotary plasma spray gun is a spray gun that uses plasma technology, which has the characteristics of high efficiency, environmental protection, and energy saving. It can process, modify, and clean the surface of materials by generating high-temperature and high-speed plasma jets. Compared with traditional flame spray guns, the rotary plasma spray gun has higher energy density and a wider range of applications. It can be used for processing various materials, including metals, ceramics, glass, plastics, etc. At the same time, it can also be used to remove pollutants such as oxides, coatings, stains, etc. on the surface of materials, and improve the quality and performance of the surface of materials. The working principle of the rotary plasma spray gun is to ionize the gas into plasma, and then use the electromagnetic field to accelerate and eject the plasma. Because plasma has the characteristics of high temperature, high speed, and high energy density, it can process the surface of materials efficiently and quickly. In addition, the rotary plasma spray gun also has the advantages of environmental protection and energy saving. It can be cleaned and processed without using chemical solvents, avoiding the generation and treatment of chemical waste liquids. At the same time, it can also use the heat energy in the exhaust gas for recycling and utilization, reducing energy consumption and emissions.
[0003] In the process of realizing the present application, the inventors found that there are at least the following problems in the technology: for a plasma spray gun for spraying, since the shape of the nozzle is fixed, it is very inconvenient to spray parts with a relatively complex structure. Utility Model Content
[0004] In order to facilitate the spraying of two parts with relatively complex structures, the present application provides a rotary plasma spray gun.
[0005] The present application provides a rotary plasma spray gun, which adopts the following technical solution:
[0006] A rotary plasma spray gun comprises a launch tube, a nozzle, a connecting mechanism, a paint feeding mechanism, a plasma generating mechanism and a fixing mechanism, wherein the nozzle is arranged on the launch tube via the connecting mechanism, the paint feeding mechanism is arranged on the launch tube, the plasma generating mechanism is arranged on the launch tube via the fixing mechanism, a first screw hole is provided on the end surface of the launch tube away from the plasma generating mechanism, the connecting mechanism comprises a threaded tube, the threaded tube is threadedly connected in the first screw hole and connected to the nozzle.
[0007] By adopting the above technical solution, the setting of the threaded tube realizes the detachable connection of the nozzle, which makes it convenient for the staff to replace different nozzles for spraying according to the structure of the sprayed parts; when spraying the parts, the plasma generating mechanism is first fixed to the launch tube through the fixing mechanism, and then the plasma generating mechanism generates plasma, and at the same time the paint feeding mechanism sprays the paint into the launch tube, and then the plasma sprays the paint through the nozzle, so that the paint is sprayed onto the parts.
[0008] Optionally, the connecting mechanism further includes a first connecting ring and a first sealing ring, the first connecting ring is arranged on the nozzle, and the first sealing ring is arranged on the first connecting ring.
[0009] By adopting the above technical solution, the first connecting ring and the first sealing ring are arranged to seal the connection between the first screw hole and the threaded tube, thereby reducing the probability of paint overflowing from the first screw hole.
[0010] Optionally, a second screw hole is opened on the side wall of the launching tube, and the paint feeding mechanism includes a feeding pipe, a second connecting ring and a second sealing ring. The side wall of the feeding pipe is opened with a thread and is threadedly connected to the second screw hole through the thread. The second connecting ring is arranged on the feeding pipe, and the second sealing ring is arranged on the second connecting ring.
[0011] By adopting the above technical solution, the opening of the thread realizes the detachable connection of the feed pipe, thereby facilitating the replacement of the feed pipe. At the same time, the provision of the second connecting ring and the second sealing ring seals the connection between the second screw hole and the feed pipe, thereby reducing the probability of paint overflowing from the second screw hole.
[0012] Optionally, the plasma generating mechanism includes a mounting tube, a magnetron coil, an electrode needle and an air intake pipe, wherein the mounting tube is arranged on the transmitting tube, the magnetron coil is arranged inside the mounting tube, the electrode needle is arranged inside the mounting tube, and the air intake pipe is arranged on the mounting tube.
[0013] By adopting the above technical solution, when plasma is generated, the air inlet pipe inputs gas into the installation pipe, and at this time the electrode needle and the magnetron coil are started at the same time, thereby ionizing the air to generate plasma.
[0014] Optionally, the plasma generating mechanism further includes an accelerating component, the accelerating component includes a conical tube and a spiral tube, the conical tube is arranged inside the mounting tube, and the spiral tube is arranged on the conical tube.
[0015] By adopting the above technical solution, the plasma generated by air ionization enters the conical tube under the control of the magnetron coil, and enters the spiral tube from the conical tube for acceleration, thereby increasing the speed of the ejected plasma and making the spraying more uniform.
[0016] Optionally, a third screw hole is provided on the end surface of the mounting tube away from the transmitting tube, and the plasma generating mechanism also includes a detachable component, the detachable component includes an end cover and an insulating tube, a thread is provided on the outer wall of the end cover, the end cover is threadedly connected to the third screw hole via the thread, the electrode needle is arranged on the end cover, and the insulating tube is sleeved on the electrode needle.
[0017] By adopting the above technical solution, the setting of the end cover makes it easy for the staff to replace electrode needles of different models and damaged ones, realizing the detachable connection of the electrode needles. At the same time, the setting of the insulating tube reduces the probability of leakage during discharge of the electrode needles, thereby improving operational safety.
[0018] Optionally, the fixing mechanism includes a first flange, a second flange, a fixing bolt and a fixing nut, the first flange is arranged on the mounting tube, the second flange is arranged on the launching tube, and the fixing bolt passes through the first flange and the second flange in sequence and is threadedly connected to the fixing nut.
[0019] By adopting the above technical solution, the arrangement of the first flange, the second flange, the fixing bolts and the fixing nuts realizes the connection between the mounting tube and the launching tube.
[0020] Optionally, the fixing mechanism further includes a third sealing ring, and the third sealing ring is arranged between the first flange and the second flange.
[0021] By adopting the above technical solution, the provision of the third sealing ring reduces the probability of plasma overflowing from the connection between the first flange and the second flange.
[0022] In summary, this application includes the following beneficial technical effects:
[0023] 1. It is convenient to spray parts with complex structures;
[0024] 2. The plasma generated by air ionization enters the conical tube through the control of the magnetron coil, and then enters the spiral tube from the conical tube for acceleration, thereby increasing the speed of the ejected plasma and making the spraying more uniform;
[0025] 3. The setting of the end cap makes it easy for the staff to replace different models and damaged electrode needles, realizing the detachable connection of the electrode needle. At the same time, the setting of the insulating tube reduces the probability of leakage during discharge of the electrode needle and improves the operational safety. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 This is a schematic diagram of the structure of a rotary plasma spray gun in an embodiment of the present application;
[0027] Figure 2This is a schematic diagram of the structure of the connecting mechanism and the feeding mechanism in the embodiment of the present application;
[0028] Figure 3 Schematic diagram of the structure of the plasma generating mechanism in the embodiment of the present application.
[0029] 1. The emitting tube is provided with a first screw hole, a second ... DETAILED DESCRIPTION
[0030] The following is combined with Figure 1-Figure 3 This application is described in further detail.
[0031] The embodiment of the present application discloses a rotary plasma spray gun.
[0032] refer to Figure 1 The invention discloses a rotary plasma spray gun, comprising a launch tube 100, a nozzle 200 is arranged on the launch tube 100, a connecting mechanism 300 is arranged on the nozzle 200, the nozzle 200 is arranged on the launch tube 100 through the connecting mechanism 300, a paint feeding mechanism 400 and a plasma generating mechanism 500 are also arranged on the launch tube 100, a fixing mechanism 600 is arranged on the plasma generating mechanism 500, and the plasma generating mechanism 500 is arranged on the launch tube 100 through the fixing mechanism 600; when spraying parts, firstly select a suitable nozzle 200 according to the shape of the parts, and install the nozzle 200 on the launch tube 100 through the connecting mechanism 300, then the plasma generating mechanism 500 generates plasma, and the paint feeding mechanism 400 sprays the paint into the launch tube 100, and then the plasma sprays the paint onto the parts through the nozzle 200.
[0033] refer to Figure 2 and Figure 3A first screw hole 110 is provided on the end surface of the launch tube 100 away from the plasma generating mechanism 500, the connecting mechanism 300 includes a threaded tube 310, the threaded tube 310 is fixedly connected to the end surface of the nozzle 200 close to the launch tube 100 and is threadedly connected in the first screw hole 110, a first connecting ring 320 is fixedly connected to the side wall of the nozzle 200, and a first sealing ring 330 is fixedly connected to the end surface of the first connecting ring 320 close to the launch tube 100; a second screw hole 120 is provided on the side wall of the launch tube 100, the paint feeding mechanism 400 includes a feeding tube 410, a thread is provided on the outer side wall of the feeding tube 410, the feeding tube 410 is threadedly connected in the second screw hole 120 through the thread, a second connecting ring 420 is fixedly connected to the side wall of the feeding tube 410, and a second sealing ring 430 is fixedly connected to the end surface of the second connecting ring 420 close to the launch tube 100.
[0034] The setting of the threaded tube 310 realizes the detachable connection of the nozzle 200, which makes it convenient for the staff to replace the nozzles 200 of different shapes according to the different parts structures, thereby improving the applicability of the rotary plasma spray gun. At the same time, the setting of the first connecting ring 320 and the first sealing ring 330 reduces the probability of the paint overflowing from the connection between the first screw hole 110 and the threaded tube 310; the setting of the feed tube 410 realizes the feeding of the paint, and at the same time, the setting of the second connecting ring 420 and the second sealing ring 430 reduces the probability of the paint overflowing from the connection between the second screw hole 120 and the feed tube 410.
[0035] The plasma generating mechanism 500 includes a mounting tube 510, which is plugged into an end of the launch tube 100 away from the nozzle 200, a magnetron coil 520 is fixedly connected to the side wall inside the mounting tube 510, an air inlet pipe 540 is fixedly connected to the side wall of the mounting tube 510, and a third screw hole 511 is provided on the end surface of the mounting tube 510 away from the launch tube 100. The plasma generating mechanism 500 also includes a detachable component 560, which includes an end cover 561, and an outer wall of the end cover 561 is provided with a screw hole 511. A thread is provided, and an end cover 561 is threadedly connected to the third screw hole 511 through the thread. An electrode needle 530 is fixedly connected to the end face of the end cover 561 close to the magnetron coil 520, and an insulating tube 562 is sleeved on the side wall of the electrode needle 530; the plasma generating mechanism 500 also includes an accelerating component 550, and the accelerating component 550 includes a conical tube 551, which is fixedly connected to the side wall inside the mounting tube 510, and a spiral tube 552 is fixedly connected to the end of the conical tube 551 away from the magnetron coil 520.
[0036] When plasma is generated, the air inlet pipe 540 injects air into the mounting tube 510, and the electrode needle 530 is started to ionize the air to generate plasma. At the same time, the magnetron coil 520 drives the plasma from the conical tube 551 into the spiral tube 552 for acceleration. The accelerated plasma enters the emission tube 100 and is mixed with the paint and sprayed out from the nozzle 200. The setting of the end cover 561 realizes the detachable connection of the electrode needle 530, which is convenient for replacing different or damaged electrode needles 530. At the same time, the setting of the insulating tube 562 reduces the risk of leakage of the electrode needle 530 and improves the safety of operation.
[0037] The fixing mechanism 600 includes a first flange 610, which is fixedly connected to the peripheral side wall of the mounting tube 510. A second flange 620 is fixedly connected to the peripheral side wall of the launch tube 100. The fixing mechanism 600 also includes four fixing bolts 640, which pass through the first flange 610 and the second flange 620 in sequence and are all threadedly connected with fixing nuts 650. A third sealing ring 630 is fixedly connected to the end surface of the first flange 610 close to the second flange 620. The arrangement of the first flange 610, the second flange 620, the fixing bolts 640 and the fixing nuts 650 realizes the detachable connection of the mounting tube 510, thereby facilitating the installation of the mounting tube 510. At the same time, the arrangement of the third sealing ring 630 reduces the probability of plasma overflowing from the connection between the first flange 610 and the second flange 620.
[0038] The implementation principle of a rotary plasma spray gun in an embodiment of the present application is as follows: when spraying parts, first select a suitable nozzle 200 according to the structure of the part and connect it to the launch tube 100 through the threaded tube 310, then start the electrode needle 530, the electrode needle 530 ionizes the gas injected by the intake pipe 540 to generate plasma, and then the magnetron coil 520 controls the plasma to enter the spiral tube 552 for acceleration, and then enters the launch tube 100, at this time the feed pipe 410 sprays the paint into the launch tube 100, and then the plasma drives the paint to be sprayed out from the nozzle 200 to spray the parts.
[0039] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A rotary plasma spray gun, comprising a launch tube (100), a spray head (200), a coating material feeding mechanism (400), a plasma generating mechanism (500) and a fixing mechanism (600), characterized in that: The invention also comprises a connecting mechanism (300), wherein the nozzle (200) is arranged on the emission tube (100) via the connecting mechanism (300), the paint feeding mechanism (400) is arranged on the emission tube (100), the plasma generating mechanism (500) is arranged on the emission tube (100) via the fixing mechanism (600), a first screw hole (110) is provided on the end surface of the emission tube (100) away from the plasma generating mechanism (500), and the connecting mechanism (300) comprises a threaded tube (310), wherein the threaded tube (310) is threadedly connected in the first screw hole (110) and connected to the nozzle (200).
2. The rotary plasma spray gun according to claim 1, characterized in that: The connection mechanism (300) further comprises a first connection ring (320) and a first sealing ring (330); the first connection ring (320) is arranged on the nozzle (200); and the first sealing ring (330) is arranged on the first connection ring (320).
3. The rotary plasma spray gun according to claim 1, characterized in that: The plasma generating mechanism (500) comprises a mounting tube (510), a magnetron coil (520), an electrode needle (530) and an air intake pipe (540); the mounting tube (510) is arranged on the transmitting tube (100); the magnetron coil (520) is arranged inside the mounting tube (510); the electrode needle (530) is arranged inside the mounting tube (510); and the air intake pipe (540) is arranged on the mounting tube (510).
4. The rotary plasma spray gun according to claim 3, characterized in that: The plasma generating mechanism (500) further comprises an accelerating assembly (550), wherein the accelerating assembly (550) comprises a conical tube (551) and a spiral tube (552), wherein the conical tube (551) is arranged inside the mounting tube (510), and the spiral tube (552) is arranged on the conical tube (551).
5. The rotary plasma spray gun according to claim 3, characterized in that: A third screw hole (511) is provided on the end surface of the mounting tube (510) away from the emission tube (100). The plasma generating mechanism (500) further comprises a detachable component (560). The detachable component (560) comprises an end cover (561) and an insulating tube (562). A thread is provided on the outer wall of the end cover (561). The end cover (561) is threadedly connected to the third screw hole (511) via the thread. The electrode needle (530) is arranged on the end cover (561), and the insulating tube (562) is sleeved on the electrode needle (530).
6. The rotary plasma spray gun according to claim 3, characterized in that: The fixing mechanism (600) comprises a first flange (610), a second flange (620), a fixing bolt (640) and a fixing nut (650); the first flange (610) is arranged on the mounting tube (510), the second flange (620) is arranged on the launching tube (100), and the fixing bolt (640) passes through the first flange (610) and the second flange (620) in sequence and is threadedly connected to the fixing nut (650).
7. The rotary plasma spray gun according to claim 6, characterized in that: The fixing mechanism (600) further comprises a third sealing ring (630), wherein the third sealing ring (630) is arranged between the first flange (610) and the second flange (620).