Anti-blocking plasma spraying gun

Abstract

The utility model relates to an anti-blocking plasma spraying gun, and belongs to the technical field of plasma spraying, the anti-blocking plasma spraying gun comprises a gantry, a base is fixed at the bottom of the gantry, two electric push rods are fixed on the inner side of the gantry, and stable sleeves are fixed on the opposite sides of the two electric push rods; and a spray gun assembly capable of heating and spraying out powder is arranged on the inner side of the stable sleeve, the left side of the spray gun assembly fixedly communicates with a feeding pipe, and an anti-blocking mechanism capable of preventing powder blocking is arranged at the top of the spray gun assembly. According to the anti-blocking plasma spraying gun, an object to be sprayed is placed at the bottom of the spraying gun assembly, the spraying gun assembly is started, powder enters the spraying gun assembly through a feeding pipe, the powder is heated and sprayed out through the spraying gun assembly, left-right movement is achieved in cooperation with an electric push rod, the spraying effect is further improved, and after spraying is completed, a telescopic mechanism and an anti-blocking mechanism are started; therefore, unused powder is swept out, powder blockage is prevented, and next-time use is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plasma spraying, specifically to a kind of anti-clogging plasma spraying spray gun. BACKGROUND

[0002] Plasma spraying spray gun is a device used to form and control plasma arc as well as spray material and protective gas delivery, it plays a crucial role in the field of plasma spraying technology, as one of the core equipment of plasma spraying technology, it plays an important role in the field of material science and industrial production, with the continuous development and innovation of technology, the performance and application range of plasma spraying spray gun will also be continuously expanded and improved.

[0003] For example, a kind of plasma spraying spray gun for plasma spraying equipment technology field is disclosed in Chinese patent (announcement number: CN220619069U), the utility model includes spray gun main body, spray pipe and spraying port, the inside of spray pipe is provided with gas guide cavity, gas guide cavity is provided with spray hole on the side close to spraying port, the first discharge port and the second discharge port corresponding to the spray hole are provided on the side wall of spraying port, the side wall of the side away from spraying port of gas guide cavity is rotatably connected with gas guide plate, the shape of nozzle in the prior art in front of spray gun device is fixed, thereby making it difficult for spray gun device to adjust according to different spraying requirements and application scenarios, the first spraying port is linearly arranged, the second spraying port is arranged in an inclined manner, the diameter of the second spraying port is greater than that of the first spraying port, so that the range of paint spraying is more extensive when paint is sprayed out of the second spraying port, and the paint spraying is more loose, so that the spray gun main body can adjust different spraying effects.

[0004] However, the spray gun does not have an anti-clogging function, and when it is stopped, a large amount of paint will accumulate in the spray cavity, which may cause clogging after the paint cools down, affecting normal use next time, so an anti-clogging plasma spraying spray gun is proposed. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides an anti-clogging plasma spraying spray gun, which has the advantages of anti-clogging and solves the problem of easy clogging of spray gun when not in use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an anti-clogging plasma spraying spray gun, comprising a gantry, a base is fixed to the bottom of the gantry, two electric push rods are fixed to the inner side of the gantry, a stable sleeve is fixed to the opposite side of the two electric push rods, a spray gun assembly capable of heating and spraying powder is arranged on the inner side of the stable sleeve, a feed pipe is fixedly connected to the left side of the spray gun assembly, and an anti-clogging mechanism capable of preventing powder from clogging is arranged on the top of the spray gun assembly.

[0007] The telescopic mechanism comprises a shell, a servo motor, a driving rod and a lifting part, the shell is fixedly communicated with the top of the spray gun assembly, the left side of the shell is fixedly connected with the servo motor, the output shaft of the servo motor is fixedly connected with the driving rod, and the outer surface of the driving rod is provided with the lifting part.

[0008] The anti-blocking mechanism comprises a driving motor, a rotating rod and a steel brush, the driving motor is fixedly connected with the bottom of the lifting part, the output rod of the driving motor is fixedly connected with the rotating rod, and the outer surface of the rotating rod is fixedly connected with the steel brush.

[0009] By adopting the technical scheme, the telescopic mechanism cooperates with the anti-blocking mechanism to realize the anti-blocking function, clean the inside when not in use, facilitate the next use, and further improve the efficiency of subsequent spraying.

[0010] Further, the lifting part comprises a driving gear, two driven gears, two driven rods, four threaded connecting blocks, four hinged rods and a moving seat, the driving gear is fixedly connected with the outer surface of the driving rod, the front and rear sides of the driving gear are engaged with the driven gears, the shaft centers of the two driven gears are fixedly connected with the driven rods, and the two ends of the two driven rods are rotatably connected with the left and right side walls of the shell through bearings.

[0011] By adopting the technical scheme, the driving gear and the two driven gears are cooperated to enable the two driven rods to run synchronously, thereby further improving the stability and reliability of the device.

[0012] Further, the outer surface of each driven rod is threadedly connected with two threaded connecting blocks, the top of each threaded connecting block is hingedly connected with a hinged rod, and the top of the four hinged rods is hingedly connected with the moving seat.

[0013] By adopting the technical scheme, the rotation of the threaded connecting block is converted into the rotation of the hinged rod, and further converted into the lifting of the moving seat through the hinged mode, which is efficient and reliable.

[0014] Further, the driving motor is fixedly connected with the bottom of the moving seat, and the moving seat is matched with the spray gun assembly.

[0015] By adopting the technical scheme, the moving seat can enter the inside of the spray gun, thereby improving the cleaning effect and further improving the anti-blocking capability.

[0016] Further, the spray gun assembly comprises a barrel and two heating devices, the outer surface of the barrel is fixedly connected with a sleeve, and the inner side wall of the barrel is fixedly connected with the two heating devices.

[0017] By adopting the technical scheme, the two heating devices can heat the powder, so that the powder becomes paint and is sprayed out by the nozzle at the bottom.

[0018] Further, the outer surface of the driving rod and located at the right side of the driving gear is fixed with a stable ring, and the driving rod penetrates into the left side wall of the shell.

[0019] By adopting the technical scheme, the stable ring can strengthen the stability of the driving gear and prevent the driving gear from separating from the driving rod.

[0020] Further, the top of the moving seat is fixed with four hinged rings, and the moving seat is hinged with the four hinged rods through the hinged rings.

[0021] By adopting the technical scheme, the stability of the moving seat can be improved through the four hinged rods, and the moving seat also limits the four hinged rods, so that the smooth operation of the device is ensured.

[0022] Further, the outer surface of each driving rod is fixed with two outer thread strips with opposite rotation directions, and the inner side of each threaded connecting block is fixed with an inner thread strip, which is matched with the outer thread strip.

[0023] By adopting the technical scheme, the threaded connection can improve the stability of the connection, and the threaded connection can also ensure the precision and reliability of the movement.

[0024] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0025] The anti-blocking plasma spraying gun places the object to be sprayed at the bottom of the gun assembly, starts the gun assembly, and the powder enters the gun assembly through the feeding pipe, is heated and sprayed out by the gun assembly, moves left and right by cooperating with the electric push rod, further improves the spraying effect, after spraying, starts the telescopic mechanism and the anti-blocking mechanism, so as to sweep out the unused powder, prevents the powder from blocking, and facilitates the next use. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic view of the utility model;

[0027] Figure 2 It is the utility model Figure 1 It is an enlarged view of A in the utility model;

[0028] Figure 3 It is a connection relationship diagram of the driving rod and the lifting part of the utility model;

[0029] Figure 4 It is a three-dimensional appearance view of the moving seat of the utility model.

[0030] In the figure: 1, the gantry; 2, the base; 3, the electric push rod; 4, the stable sleeve; 5, the spray gun assembly; 501, the barrel; 502, the heating device; 6, the telescopic mechanism; 601, the shell; 602, the servo motor; 603, the driving rod; 604, the lifting part; 6041, the driving gear; 6042, the driven gear; 6043, the driven rod; 6044, the threaded connection block; 6045, the articulated rod; 6046, the moving seat; 7, the feeding pipe; 8, the anti-blocking mechanism; 801, the driving motor; 802, the rotating rod; 803, the steel brush. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] Please refer to Figure 1 In the embodiment, the gantry 1 is fixed with the base 2 at the bottom, the inner side of the gantry 1 is fixed with two electric push rods 3, the opposite side of the two electric push rods 3 is fixed with the stable sleeve 4, the inner side of the stable sleeve 4 is provided with the spray gun assembly 5 capable of heating and spraying the powder, the left side of the spray gun assembly 5 is fixedly connected with the feeding pipe 7, and the top of the spray gun assembly 5 is provided with the anti-blocking mechanism 8 capable of preventing the powder from blocking.

[0033] In addition, the spray gun assembly 5 comprises the barrel 501 and two heating devices 502, the outer surface of the barrel 501 is fixed with the stable sleeve 4, and the inner side wall of the barrel 501 is fixed with the two heating devices 502, so that the heating device 502 can heat the powder, and the powder is further converted into liquid to be sprayed smoothly.

[0034] It should be noted that the spray gun assembly 5 and the feeding pipe 7 are matched to realize spraying, and the telescopic mechanism 6 and the anti-blocking mechanism 8 are matched to realize the anti-blocking function after spraying, and the anti-blocking effect is further improved.

[0035] Please refer to Figure 1 and Figures 2 to 4 again, in order to realize the anti-blocking function, the telescopic mechanism 6 in the embodiment comprises the shell 601, the servo motor 602, the driving rod 603 and the lifting part 604, the shell 601 is fixedly connected with the top of the spray gun assembly 5, the left side of the shell 601 is fixed with the servo motor 602, the output shaft of the servo motor 602 is fixed with the driving rod 603, and the outer surface of the driving rod 603 is provided with the lifting part 604.

[0036] It needs to be further explained that the lifting part 604 comprises a driving gear 6041, two driven gears 6042, two driven rods 6043, four threaded connecting blocks 6044, four hinged rods 6045 and a moving seat 6046, the driving gear 6041 is fixed with the outer surface of the driving rod 603, the front and back sides of the driving gear 6041 are engaged with the driven gears 6042, the driving gear 6041 cooperates with the two driven gears 6042 to promote the simultaneous operation of the two driven gears 6042, further improving the stability of the device operation, the shaft centers of the two driven gears 6042 are fixed with the driven rods 6043, the two ends of the two driven rods 6043 are rotatably connected with the left and right side walls of the shell 601 through bearings, the outer surfaces of the two driven rods 6043 are threadedly connected with the two threaded connecting blocks 6044, the top of each threaded connecting block 6044 is hinged with the hinged rod 6045, the top of the four hinged rods 6045 is hinged with the moving seat 6046, the use of bearings can ensure the smooth rotation of the two driven rods 6043 while their positions remain unchanged, thereby ensuring the smooth operation of the lifting part 604.

[0037] It can be known that the outer surface of the driving rod 603 and the right side of the driving gear 6041 are fixed with a stable ring, the driving rod 603 penetrates into the left side wall of the shell 601, the top of the moving seat 6046 is fixed with four hinged rings, the moving seat 6046 is hinged with the four hinged rods 6045 through the hinged rings, the four hinged rings can ensure the force balance of the moving seat 6046, improve the stability of the moving seat 6046, and also can limit the four hinged rods 6045, the outer surface of each driven rod 6043 is fixed with two external thread strips with opposite rotation directions, the inner side of each threaded connecting block 6044 is fixed with an internal thread strip, the internal thread strip is matched with the external thread strip, the threaded connection can improve the reliability of the connection, and also can ensure accurate transmission, further improve the accuracy of the operation of the lifting part 604.

[0038] In addition, the anti-blocking mechanism 8 comprises a driving motor 801, a rotating rod 802 and a steel brush 803, the driving motor 801 is fixed with the bottom of the lifting part 604, the output rod of the driving motor 801 is fixed with the rotating rod 802, the outer surface of the rotating rod 802 is fixed with the steel brush 803, the steel brush 803 is continuously driven to rotate by the driving motor 801, further promoting the steel brush 803 to brush down the internal powder, avoiding blockage, the driving motor 801 is fixed with the bottom of the moving seat 6046, the moving seat 6046 is matched with the spray gun assembly 5, the moving seat 6046 can move into the inside of the spray gun assembly 5, which can promote the anti-blocking mechanism 8 to better clean the spray gun.

[0039] In the embodiment, the cleaning effect of the anti-blocking mechanism 8 is improved by the cooperation of the telescopic mechanism 6 and the anti-blocking mechanism 8, and the anti-blocking mechanism 8 can be retracted during spraying, so that the powder can flow smoothly, and the spraying efficiency is further improved.

[0040] It can be understood that the spraying is smoothly performed by the cooperation of the spray gun assembly 5 and the feeding pipe 7, and the anti-blocking function is realized while the spraying efficiency is ensured by the cooperation of the telescopic mechanism 6 and the anti-blocking assembly 8.

[0041] The electric elements in the application are electrically connected with the controller and the power supply, the control mode of the application is controlled by the controller, the control circuit of the controller can be realized by simple programming of the person skilled in the art, the power supply provided by the battery also belongs to the common knowledge in the art, and the application is mainly used for protecting the mechanical device, so the control mode and the circuit connection of the application will not be explained in detail.

[0042] The working principle of the above embodiment is as follows:

[0043] When the article is sprayed, the heating device 502 is started first, and the powder is loaded into the feeding pipe 7 at the same time, the heating device 502 promotes the heating of the powder and enters the spray head, and is sprayed by the spray head, the left and right movement of the heating device 502 is realized by the cooperation of the electric push rod 3, the spraying effect is further improved, after the spraying is completed, the servo motor 602 and the driving motor 801 are started, the power of the servo motor 602 is transmitted to the two driven rods 6043 through the driving gear 6041 and the driven gear 6042, further promoting the movement of the four threaded connecting blocks 6044, the hinged rod 6045 pushes the moving seat 6046 in the movement process, further pushing the anti-blocking mechanism 8 to move into the barrel 501, at the same time, the steel brush 803 rotates continuously, the remaining powder is brushed down, the barrel 501 is prevented from being blocked, and the device can avoid the blockage of the pipeline, and the spraying efficiency is further improved.

Claims

1. A clog resistant plasma spray gun comprising a gantry (1) characterised in that: The bottom of the gantry (1) is fixedly connected with a base (2), the inner side of the gantry (1) is fixedly connected with two electric push rods (3), the opposite side of the two electric push rods (3) is fixedly connected with a stable sleeve (4), the inner side of the stable sleeve (4) is provided with a spray gun assembly (5) capable of heating and spraying powder, the left side of the spray gun assembly (5) is fixedly connected with a feeding pipe (7), and the top of the spray gun assembly (5) is provided with an anti-blocking mechanism (8) capable of preventing powder from being blocked. The anti-blocking plasma spraying gun further comprises a telescopic mechanism (6), the telescopic mechanism (6) comprises an outer shell (601), a servo motor (602), a driving rod (603) and a lifting part (604), the outer shell (601) is fixedly connected with the top of the spray gun assembly (5), the left side of the outer shell (601) is fixedly connected with the servo motor (602), the output shaft of the servo motor (602) is fixedly connected with the driving rod (603), and the outer surface of the driving rod (603) is provided with the lifting part (604). The anti-blocking mechanism (8) comprises a driving motor (801), a rotating rod (802) and a steel brush (803), the driving motor (801) is fixedly connected with the bottom of the lifting part (604), the output rod of the driving motor (801) is fixedly connected with the rotating rod (802), and the outer surface of the rotating rod (802) is fixedly connected with the steel brush (803).

2. A clog resistant plasma spray gun according to claim 1, wherein: The lifting part (604) comprises a driving gear (6041), two driven gears (6042), two driven rods (6043), four threaded connecting blocks (6044), four hinged rods (6045) and a moving seat (6046), the driving gear (6041) is fixedly connected with the outer surface of the driving rod (603), the front and rear sides of the driving gear (6041) are both meshed with the driven gears (6042), the shaft centers of the two driven gears (6042) are both fixedly connected with the driven rods (6043), and the two ends of the two driven rods (6043) are rotatably connected with the left and right side walls of the outer shell (601) through bearings.

3. A clog resistant plasma spray gun according to claim 2, wherein: The outer surface of each driven rod (6043) is threadedly connected with two threaded connecting blocks (6044), the top of each threaded connecting block (6044) is hingedly connected with a hinged rod (6045), and the tops of the four hinged rods (6045) are hingedly connected with the moving seat (6046).

4. A clog resistant plasma spray gun according to claim 2, wherein: The driving motor (801) is fixedly connected with the bottom of the moving seat (6046), and the moving seat (6046) is matched with the spray gun assembly (5).

5. A clog resistant plasma spray gun according to claim 1, wherein: The spray gun assembly (5) comprises a gun barrel (501) and two heating devices (502), the outer surface of the gun barrel (501) is fixedly connected with the stable sleeve (4), and the inner side wall of the gun barrel (501) is fixedly connected with the two heating devices (502).

6. A clog resistant plasma spray gun according to claim 2, wherein: A stable ring is fixedly connected to the outer surface of the driving rod (603) and located to the right of the driving gear (6041), and the driving rod (603) penetrates into the left side wall of the outer shell (601).

7. A clog resistant plasma spray gun according to claim 2, wherein: The top of the moving seat (6046) is fixed with four hinged rings, and the moving seat (6046) is hinged with four hinged rods (6045) through the hinged rings.

8. A clog resistant plasma spray gun according to claim 2, wherein: The outer surface of each driven rod (6043) is fixed with two outer thread strips with opposite rotation directions, and the inner side of each thread connecting block (6044) is fixed with an inner thread strip, which is matched with the outer thread strips.

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