A steel sheet spraying device

Abstract

The present invention belongs to the field of spraying technology, specifically, a steel sheet spraying device, including a leg, an air pump is fixedly connected to the top of the leg, a guide rail is fixedly connected to the top side of the air pump, a driving component for placing the steel sheet is arranged in the guide rail, a rotating table is fixedly installed in the middle of the top of the air pump, a spraying tube is plugged into the outer surface of the air pump, a spray gun is fixedly connected to the output end of the spraying tube, a coating body for loading the spraying liquid is connected through the top of the spray gun, and an anti-blocking component is arranged in the spray gun, and the anti-blocking component is used to prevent the clogging of the coating liquid. The steel sheet spraying device described in the present invention moves through the influence of the threaded engagement of the driving block 2, and the driving block 2 moves in the direction close to the rotating rod 1. At this time, after sensing the electrical signal of the movement of the driving block 2, the extension rod extends from the electric telescopic cylinder and pushes the clamped steel sheet, and the steel sheet rotates along the position of the middle groove, changing the position of the blind area of ​​the spraying, thereby improving the completeness of the spraying.

Description

Technical Field

[0001] The invention belongs to the technical field of spraying, in particular to a steel sheet spraying device. Background Art

[0002] Spraying, also known as thermal spraying, is a technology that uses molten spraying materials to spray onto the surface of metal, alloy, plastic, ceramic and other workpieces with a power device to form a complete set of covering layers. Spraying is a surface treatment method, which mainly involves spraying metal or alloy onto the surface of another material to form a covering layer. It is different from painting, which sprays paint onto the surface to create color and a protective layer. This spraying method is mainly used to increase the material's wear resistance, corrosion resistance and aesthetics. Spraying technologies mainly include vapor spraying, arc spraying and high-speed flame spraying, among which vapor spraying is more common.

[0003] An application document with publication number CN113304943A discloses cold-bent steel processing punching sheet spraying processing equipment, including: a sheet trough box, a sheet discharging mechanism, an atomizing spraying mechanism and an output conveyor belt. The bottom end of the sheet discharging mechanism is fixedly installed on the inner side of the sheet trough box, and multiple ascending sheet discharging mechanisms are used to push the sheets inside the stamping sheet collection box to ascend step by step, and cooperate with the discharge trough for automatic positioning, thereby improving work efficiency and making the surface coating and heating more uniform.

[0004] Although the above technical solution can improve the surface coating effect and the temperature uniformity, when spraying the steel sheet, the nozzle is often used frequently or for too long without timely cleaning and maintenance, resulting in a large amount of dirt and impurities accumulating on the inner wall of the nozzle, causing blockage, which greatly affects the effect of spraying. For this reason, the present invention provides a steel sheet spraying device to solve the above problems. Summary of the invention

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the present invention to solve its technical problems is: the present invention provides a steel sheet spraying device, including a support leg, an air pump is fixedly connected to the top of the support leg, a guide rail is fixedly connected to the top side of the air pump, a driving component for placing the steel sheet is arranged in the guide rail, a rotating table for supporting the gun body is fixedly installed in the middle of the top of the air pump, a switch for controlling the air pressure is clamped on the side of the top of the air pump away from the guide rail, a spraying tube is inserted into the outer surface of the air pump, a spray gun is fixedly connected to the output end of the spraying tube, a coating body for loading the spraying liquid is connected through the top of the spray gun, an anti-blocking component is arranged in the spray gun, and the anti-blocking component is used to prevent the blocking of the coating liquid.

[0007] Furthermore, the anti-clogging component includes a gun housing installed on the top of the spray gun, a nozzle is fixedly connected to the port of the gun housing away from the air pump, a plurality of adjusting parts are rotatably connected to the inner wall of the gun housing, the plurality of adjusting parts are distributed in a circular shape, a support bar is fixedly connected to one end of the plurality of adjusting parts away from the inner wall of the gun housing, an elastic pendulum is connected to the outer periphery of the support bar close to the nozzle, a swing ball is fixedly connected to one end of the elastic pendulum close to the nozzle, a hook is fixedly connected to one end of the elastic pendulum away from the support bar, and the hook is connected to the inner wall of the gun housing.

[0008] Furthermore, the driving assembly includes a baffle installed on the side of the guide rail, a double-headed screw is rotatably connected to the inner cavity of the guide rail, one end of the double-headed screw is externally connected to a servo motor, a driving block 1 is threadedly connected to the outer surface of the double-headed screw, an inclined plate 1 is fixedly connected to one side of the driving block, the inclined plate 1 is composed of an inclined portion and a vertical portion, a rotating rod 1 is rotatably connected to the side of the vertical portion of the inclined plate 1, an end face of the inclined plate 1 is located below the rotating rod 1 and is rotatably connected to the rotating rod 2, the rotating rod 1 and the rotating rod 2 are used to flip the steel sheet, the rotating rod 2 is externally connected to a direct drive motor, and the output rod of the rotating rod 2 is connected to the output end of the direct drive motor.

[0009] Furthermore, an upper ring body is fixedly connected to one side of the rotating rod, and a lower ring body is fixedly connected to both sides of the rotating shaft. Corresponding bayonet sockets are provided at the lower end of the upper ring body and the lower ring body, and clamping assemblies are provided at the top of the upper ring body and the bottom of the lower ring body. The clamping assemblies are used to clamp the steel sheet.

[0010] Furthermore, the upper ring body contains an infrared sensor, and the spray gun contains a processor.

[0011] Furthermore, the clamping assembly includes multiple sockets installed on the top of the upper ring body, the inner side walls of the multiple sockets are rotatably connected to a rotating shaft, the outer periphery of the rotating shaft is fixedly connected to a first insert strip, and the lower ends of the multiple first insert strips are fixedly connected to second insert strips, and the inner cavities of the multiple sockets are penetrated and connected with clamps, which are used to drive the multiple sockets to work synchronously, and the clamps are connected to the rotating shaft of the first insert strip.

[0012] Furthermore, a limiting groove is provided inside the first insert strip, an electromagnet is slidably connected in the middle of the limiting groove of the first insert strip, a spiral rod is fixedly connected to the bottom end of the second insert strip, and a pressure plate is threadedly connected to the outer circumference of the spiral rod.

[0013] Furthermore, a slide rail corresponding to the pressure plate is installed on the inner wall of the upper ring body, the inner wall of the upper ring body is slidably connected to the pressure plate, an arc groove matching the steel sheet is opened at the bottom of the pressure plate, and the spiral rod is fixed to the inner wall of the upper ring body.

[0014] Furthermore, the electromagnet and the card holder have the same magnetic properties, both of which are positive poles, and a controller is provided in the card holder. The pressure plate is composed of an upper and lower part. The upper pressure plate is slidably connected to the inner wall of the upper ring body, and the lower pressure plate is fixed to the inner wall of the lower ring body. The inner wall of the upper pressure plate is provided with a plug, and the lower pressure plate is provided with a socket.

[0015] Furthermore, a driving block 2 is fixedly connected to the outer surface of the double-headed screw, a side of the driving block 2 close to the rotating rod 1 is fixedly connected to an inclined plate 2, both sides of the inclined plate are fixedly connected to a base, a bottom cylinder is fixedly connected to the top of the base, a rotating column is rotatably connected to the inner cavity of the bottom cylinder, an electric telescopic cylinder is fixedly connected to the outer periphery of the rotating column, an extension rod is telescopically connected to the inner cavity of the electric telescopic cylinder, the driving block 2 is located inside the guide rail, and the driving block 2 is threadedly connected to the double-headed screw.

[0016] The beneficial effects of the present invention are as follows:

[0017] 1. The steel sheet spraying device described in the present invention drives the lower ring body to move by rotating the rotating rod. The lower ring body and the upper ring body rotate synchronously. Under the condition of overall movement, the clamped steel sheet is sprayed at multiple angles in an all-round manner, which solves the problem that only one side can be sprayed at one time, expands the spraying coverage area, and reduces the difficulty of adjustment.

[0018] 2. The steel sheet spraying device described in the present invention moves when the driving block 2 is affected by the threaded cooperation. The driving block 2 is displaced in the direction close to the rotating rod 1. At this time, after sensing the electrical signal of the movement of the driving block 2, the extension rod extends from the electric telescopic cylinder and pushes the clamped steel sheet. The steel sheet rotates along the position of the middle groove, changing the position of the blind area of ​​the spraying, thereby improving the completeness of the spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below in conjunction with the accompanying drawings.

[0020] Figure 1 It is an overall stereogram of the present invention;

[0021] Figure 2 It is a front view of the gun housing of the present invention;

[0022] Figure 3 It is a schematic diagram of the disassembly of the nozzle in the present invention;

[0023] Figure 4 It is a schematic diagram of the structure of the placement seat in the present invention;

[0024] Figure 5 is a schematic diagram of a baffle in the present invention;

[0025] Figure 6 It is a schematic diagram of a double-headed screw in the present invention;

[0026] Figure 7 It is a schematic diagram of the inclined plate 2 in the present invention;

[0027] Figure 8 It is a schematic diagram of the stand in the present invention;

[0028] Fig. 9 It is a schematic diagram of the upper ring body in the present invention;

[0029] Fig.10 It is a schematic diagram of the lower ring body in the present invention;

[0030] Fig.11 It is a second schematic diagram of the fillet in the present invention.

[0031] In the figure: 1. support leg; 2. air pump; 3. guide rail; 4. rotating table; 5. spraying tube; 6. spray gun; 7. coating body; 31. baffle; 32. servo motor; 33. double-headed screw; 34. drive block 1; 35. inclined plate 1; 36. rotating rod 1; 37. rotating rod 2; 38. drive block 2; 39. inclined plate 2; 301. base; 302. bottom cylinder; 303. electric telescopic cylinder; 304. extension rod; 361. upper ring body; 362. holder; 363. inlay strip 1; 364. inlay strip 2; 365. electromagnet; 366. screw rod; 367. pressure plate; 368. clamp; 360. lower ring body; 61. gun housing; 62. nozzle; 63. adjustment member; 64. support bar; 65. hook; 66. elastic ornament; 67. swing ball. DETAILED DESCRIPTION

[0032] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0033] like Figure 1 to Figure 2As shown, a device for spraying steel sheet comprises a support leg 1, an air pump 2 is fixedly connected to the top of the support leg 1, a guide rail 3 is fixedly connected to the top side of the air pump 2, a driving assembly for placing the steel sheet is arranged in the guide rail 3, a rotating table 4 for supporting the gun body is fixedly installed in the middle of the top of the air pump 2, a switch for controlling air pressure is clamped on the side of the top of the air pump 2 away from the guide rail 3, a spraying tube 5 is plugged into the outer surface of the air pump 2, a spray gun 6 is fixedly connected to the output end of the spraying tube 5, a coating body 7 for loading the spraying liquid is connected through the top of the spray gun 6, an anti-clogging assembly is arranged in the spray gun 6, and the anti-clogging assembly is used to prevent the clogging of the coating liquid; when working, in the process of spraying the steel sheet, the steel sheet is first placed in a position aligned with the spray gun 6 through the driving assembly, and the spray gun 6 stands on the rotating table 4, after the switch of the air pump 2 is turned on, high pressure is generated by compressed gas, and the spraying liquid of the coating body 7 is affected by gravity downward and enters the pipeline specified by the spray gun 6. After the spraying liquid flows into the spray gun 6, when the surrounding airflow at the output end of the spray gun 6 generates shear force, the spraying liquid will be dispersed into uniform mist particles, and the spraying liquid will be sprayed out under the impact of the high-pressure gas, so that it is quickly distributed on the steel sheet. However, during the spraying process, the nozzle is prone to residual stains due to frequent use, causing blockage. Using the embodiment of the present invention, with the impact of compressed gas, the anti-blocking component is pushed by the compressed gas to squeeze the position where the spraying liquid is blocked, and the squeezing force dredges the previously dry spraying liquid blocking position, thereby solving the problem of blockage at the top of the inner cavity of the spray gun 6.

[0034] like Figures 2 to 4As shown, the anti-clogging component includes a gun shell 61 installed at the top of the spray gun 6, and the port of the gun shell 61 away from the air pump 2 is fixedly connected to the nozzle 62, and the inner side wall of the gun shell 61 is rotatably connected to multiple adjustment members 63, and the multiple adjustment members 63 are distributed in a circular shape. One end of the multiple adjustment members 63 away from the inner side wall of the gun shell 61 is fixedly connected to a stay 64, and the outer periphery of the stay 64 close to the nozzle 62 is connected to an elastic swing member 66, and one end of the elastic swing member 66 close to the nozzle 62 is fixedly connected to a swing ball 67, and one end of the elastic swing member 66 away from the stay 64 is fixedly connected to a hook 65, and the hook 65 is connected to the inner side wall of the gun shell 61; when working, in the process of spraying the steel sheet, due to repeated spraying, a large amount of spraying liquid and impurities are accumulated inside the spray gun 6, and after air drying, the spraying liquid is blocked at the nozzle 62, which is inconvenient during spraying. Using the embodiment of the present invention, compressed gas passes through the spraying pipe 5 enters into the spray gun 6 and impacts the inner wall of the gun housing 61. The support bar 64 is impacted by the compressed gas to move in the direction of the nozzle 62. The support bar 64 drives the adjusting member 63 to move. The adjusting member 63 gradually rotates along the inner wall of the gun housing 61. The adjusting member 63 scrapes the spraying liquid or impurities accumulated on the inner wall of the gun housing 61. The dry spraying liquid is separated from the inner wall of the gun housing 61 and impacted to the top of the inner cavity of the nozzle 62 by the compressed gas. The movement of the support bar 64 pushes the elastic pendulum 66. The hook 65 fixes the elastic pendulum 66. The elastic pendulum 66 is squeezed and deformed to move in the direction of the nozzle 62. The elastic pendulum 66 squeezes the swing ball 67 to move. The swing ball 67 is inserted into the spraying collection point of the nozzle 62. The swing ball 67 rubs the dry spraying liquid. The spraying liquid is pushed out after it falls off, thereby ensuring the cleanliness of the inner wall of the gun housing 61, solving the problem of the nozzle 62 being blocked, and facilitating the implementation of the spraying work.

[0035] like Figures 5 and 6As shown, the driving assembly includes a baffle 31 installed on the side of the guide rail 3, a double-headed screw 33 is rotatably connected to the inner cavity of the guide rail 3, one end of the double-headed screw 33 is externally connected to a servo motor 32, and a driving block 34 is threadedly connected to the outer surface of the double-headed screw 33. A slanted plate 35 is fixed to the side of the driving block 34. The slanted plate 35 is composed of an inclined portion and a vertical portion. A rotating rod 36 is rotatably connected to the side of the vertical portion of the slanted plate 35. The end surface of the slanted plate 35 is located below the rotating rod 36 and is rotatably connected to the second rotating rod 37. The rotating rod 36 and the second rotating rod 37 are used to align the steel The sheet is flipped, and the rotating rod 2 37 is externally connected to a direct drive motor, and the output rod of the rotating rod 2 37 is connected to the output end of the direct drive motor; when working, before the steel sheet needs to be sprayed, the position of the steel sheet needs to be adjusted first to facilitate spraying. In some small factories, pliers and other tools are generally used to manually pick up the steel sheet, and then the taken and clamped steel sheet is placed in a suitable position, and then by moving the pliers and other tools in the hand, when the steel sheet is aligned with the gun body, the gun body sprays this part of the steel sheet, and the working The tool moves the steel sheet along the length to change the surface covered by the steel sheet. Although there will be no fatigue in the short term, it is relatively troublesome and time-consuming to manually move the steel sheet for a long time. When using the embodiment of the present invention, the steel sheet is first placed at the top of the rotating rod 36 to wait for spraying with a tool, and the servo motor 32 is powered to drive the double-headed screw 33 to rotate. The double-headed screw 33 rotates under the action of the threaded fit, and the driving block 1 34 slides along the guide rail 3, and the inclined plate 1 35 and the rotating rod 1 36 and the rotating rod 2 37 move synchronously. The steel sheet is moved by the rotating rod 36. When the driving block 34 slides to a position aligned with the placed spray gun 6, the spray gun 6 senses the electrical signal and gradually sprays the steel sheet. Under the continuous driving action of the double-headed screw 33, the spray gun 6 gradually sprays and covers the other parts of the corresponding side of the steel sheet. In the process of the driving block 34 driving the steel sheet to move, the adjustment of the length distance of the steel sheet is completed, which saves the labor generated by frequent manual picking, clamping and adjusting the position, and simplifies the operation steps.

[0036] like Figures 6 to 8As shown, an upper ring body 361 is fixedly connected to the side of the rotating rod 1 36, and a lower ring body 360 is fixedly connected to the side of the rotating rod 2 37. The lower end of the upper ring body 361 and the lower ring body 360 are provided with corresponding bayonet holes. The top of the upper ring body 361 and the bottom of the lower ring body 360 are both provided with clamping components, and the clamping components are used to clamp the steel sheet. The upper ring body 361 contains an infrared sensor, and the spray gun 6 contains a processor. When working, the steel sheet needs to be positioned first during the process of spraying the steel sheet. When using the embodiment of the present invention, the driving block 1 34 is energized to push the inclined plate 1 35 and the rotating rod 1 36 to move, and the rotating rod 1 36 moves to After the appropriate spraying position is reached, first place the circular steel sheet with a raised outer edge between the upper ring body 361 and the lower ring body 360 from the side opening, and then fix the steel sheet by adjusting the lifting height through the clamping assembly to prevent the spraying from deviating. It should be noted that when the steel sheet is not placed between the lower ring body 360 and the upper ring body 361, the steel sheet is sensed by the infrared sensor contained in the upper ring body 361, and the sensed electrical signal is fed back to the processor of the spray gun 6. After the processor executes the command, the switch of the spray gun 6 is powered off, thereby achieving the insurance effect of automatic power-off protection.

[0037] like Figure 1 , Figure 7 , Figures 9 to 11As shown, the clamping assembly includes a plurality of clamping seats 362 installed on the top of the upper ring body 361, the inner side walls of the plurality of clamping seats 362 are rotatably connected to a rotating shaft, a fillet 1 363 is fixedly connected to the outer periphery of the rotating shaft, and a fillet 2 364 is fixedly connected to the lower end of the plurality of fillet 1 363, and a clamp 368 is connected through the inner cavity of the plurality of clamping seats 362, and the clamp 368 is used to drive the plurality of clamping seats 362 to work synchronously, and the clamp 368 is connected to the rotating shaft of the fillet 1 363; a limiting groove is provided inside the fillet 1 363, and an electromagnet 365 is slidably connected to the middle of the limiting groove of the fillet 1 363, a spiral rod 366 is fixedly connected to the bottom end of the fillet 2 364, and a pressure plate 367 is threadedly connected to the outer periphery of the spiral rod 366; a clamp 368 connected to the pressure plate 367 is installed on the inner wall of the upper ring body 361 67 corresponding slide rails, the inner wall of the upper ring body 361 is slidably connected with the pressure plate 367, the bottom of the pressure plate 367 is provided with an arc groove adapted to the steel sheet, and the spiral rod 366 is fixedly connected to the inner wall of the upper ring body 361; the magnetism of the electromagnet 365 is the same as that of the holder 362, both of which are positive poles, and a controller is arranged in the holder 362, and the pressure plate 367 is composed of an upper and a lower part, the upper pressure plate 367 is slidably connected to the inner wall of the upper ring body 361, and the lower pressure plate 367 is fixedly connected to the inner wall of the lower ring body 360, the inner wall of the upper pressure plate 367 is provided with a plug, and the lower pressure plate 367 is provided with a socket; when working, in the process of spraying the clamped steel sheet, generally only one side can be sprayed at a time The coating is covered on one side, while the other side needs to be turned over to achieve the purpose of complete spraying, which is inconvenient to adjust. When using the embodiment of the present invention, after the controller is started, the electromagnet 365 generates magnetism. The electromagnet 365 has the same magnetism as the holder 362. One side of the electromagnet 365 is fixed to the top of the holder 362, and the other side is connected to the inside of the insert 1 363. The other side of the electromagnet 365 is repelled by the magnetic pole and driven upward. The electromagnet 365 squeezes the insert 1 363 upward to move. The rotating shaft in the holder 362 is affected by the pulling force to rotate. The insert 1 363 rotates clockwise to squeeze the insert 2 364 downward. The insert 2 364 pushes the pressing plate 367 to move. The pressing plate 367 slides downward along the outer periphery of the spiral rod 366. The pressing plate 367 moves downward. 67 is combined with another part of the lower ring body 360. As the pressing plate 367 continues to move downward, the lower ring body 360 is combined with the upper ring body 361, and the pressing plates 367 of the upper and lower parts are squeezed to form a clamping and positioning of the steel sheet, thereby ensuring the stability during one-time spraying; and after the combination, the plug on the pressing plate 367 is connected to the socket of the bottom lower ring body 360, at this time, the rotating rod 37 is energized, and the rotating rod 37 rotates to drive the lower ring body 360 to move, and the lower ring body 360 and the upper ring body 361 rotate synchronously. Under the condition of overall movement, the clamped steel sheet is sprayed in multiple angles, which solves the problem that only one side can be sprayed during one spraying, expands the spraying coverage, reduces the difficulty of adjustment, and improves work efficiency;

[0038] like Figures 7 and 8As shown, the outer surface of the double-headed screw 33 is fixedly connected with a driving block 2 38, and the side of the driving block 2 38 close to the rotating rod 1 36 is fixedly connected with an inclined plate 2 39, and the side of the inclined plate 2 39 is fixedly connected with a base 301, and the top of the base 301 is fixedly connected with a bottom cylinder 302, and the inner cavity of the bottom cylinder 302 is rotatably connected with a rotating column, and the outer periphery of the rotating column is fixedly connected with an electric telescopic cylinder 303, and the inner cavity of the electric telescopic cylinder 303 is telescopically connected with a stretching rod 304, and the driving block 2 38 is located inside the guide rail 3, and the driving block 2 38 is threadedly connected with the double-headed screw 33; when working, the steel sheet is generally sprayed in all directions by rotating, but in its clamping type The position of the steel sheet belongs to the blind area of ​​spraying, which leads to the problem that the spraying still needs to be improved. Therefore, after the double-headed screw 33 is energized, the driving block 2 38 is affected by the threaded fit and moves. The driving block 2 38 is displaced in the direction close to the rotating rod 1 36. At this time, after sensing the electrical signal of the movement of the driving block 2 38, the extension rod 304 extends from the electric telescopic cylinder 303 and pushes the clamped steel sheet. The steel sheet rotates along the position of the middle groove, which changes the position of the blind area of ​​spraying, thereby improving the completeness of the spraying. It should be noted that this needs to be executed after the steel sheet is fully sprayed at multiple angles and the equipment is stopped.

[0039] Working principle: before the steel sheet needs to be spray-plated, the position of the steel sheet needs to be adjusted to facilitate the spray-plating. Generally, the steel sheet is manually picked up with tools such as pliers, and then the clamped steel sheet is placed in a suitable position, and then the picked steel sheet is moved. When the steel sheet is aligned with the gun body, this part of the steel sheet is spray-plated through the gun body, and then the steel sheet is moved along the length distance by the tool to change the covered surface of the steel sheet. Manually moving the position of the steel sheet for a long time is relatively troublesome, time-consuming and labor-intensive. Using the embodiment of the present invention, the steel sheet is first manually placed at the top of the rotating rod 36 waiting for spraying with a tool, and the servo The motor 32 is energized to drive the double-headed screw 33 to rotate. Under the action of the threaded cooperation, the driving block 34 slides along the guide rail 3, the inclined plate 35, the rotating rod 1 36 and the rotating rod 2 37 move synchronously, and the steel sheet is driven by the rotating rod 1 36 to move accordingly. When the driving block 34 slides to a position aligned with the placed spray gun 6, the spray gun 6 senses the electrical signal and gradually sprays the steel sheet. Under the continuous driving action of the double-headed screw 33, the spray gun 6 gradually sprays and covers the other parts of the corresponding side of the steel sheet. In the process of moving, the adjustment of the length and distance of the steel sheet is completed, saving the labor of frequent transportation and adjustment of the position, and simplifying the operation steps.

[0040] In the process of spraying the steel sheet, the steel sheet is first placed in a position aligned with the spray gun 6 through the driving assembly. The spray gun 6 stands on the rotating table 4. After the switch of the air pump 2 is turned on, high pressure is generated by compressed gas. The spray liquid of the coating body 7 is affected by gravity and enters the pipeline specified by the spray gun 6. After the spray liquid flows into the spray gun 6, the surrounding air flow at the output end of the spray gun 6 generates shear force, and the spray liquid will be dispersed into uniform mist particles. The spray liquid is sprayed out under the impact of the high-pressure gas, so that it is quickly distributed on the steel sheet. However, during the spraying process, a large amount of spray liquid and impurities are accumulated inside the spray gun 6 due to long-term use. After air drying, the spray liquid is blocked at the nozzle 62, which is inconvenient during spraying. Using the embodiment of the present invention, compressed gas enters the spray gun 6 through the spray pipe 5, and The inner wall of the gun housing 61 is impacted, and the support bar 64 is impacted by the compressed gas to move in the direction of the nozzle 62. The support bar 64 drives the adjusting member 63 to move, and the adjusting member 63 gradually rotates along the inner wall of the gun housing 61. The adjusting member 63 scrapes the spraying liquid or impurities accumulated on the inner wall of the gun housing 61. The dry spraying liquid is separated from the inner wall of the gun housing 61 and impacted to the top of the inner cavity of the nozzle 62 by the compressed gas. The movement of the support bar 64 will push the elastic pendulum 66, and the hook 65 fixes the elastic pendulum 66. The elastic pendulum 66 is squeezed and deformed to move in the direction of the nozzle 62. The elastic pendulum 66 squeezes the swing ball 67 to move, and the swing ball 67 is inserted into the spraying collection point of the nozzle 62. The swing ball 67 rubs the dry spraying liquid, and the spraying liquid is pushed out after falling off, thereby ensuring the cleanliness of the inner wall of the gun housing 61, solving the problem of nozzle 62 being blocked, and facilitating the implementation of spraying work.

[0041] In the process of spraying the clamped steel sheet, generally only one side can be coated at one time, and the other side needs to be turned over to achieve the purpose of complete spraying, which is inconvenient to adjust. Using the embodiment of the present invention, after the controller is started, the electromagnet 365 generates magnetism. The electromagnet 365 has the same magnetism as the holder 362. One side of the electromagnet 365 is fixed to the top of the holder 362, and the other side is connected to the inside of the fillet 1 363. The other side of the electromagnet 365 is repelled by the magnetic pole and driven upward. The electromagnet 365 squeezes the fillet 1 363 upward to move. The rotating shaft in the holder 362 is affected by the pulling force to rotate. The fillet 1 363 rotates clockwise to squeeze the fillet 2 364 downward. The fillet 2 364 pushes the pressing plate 367 to move. The pressing plate 367 moves along The outer periphery of the spiral rod 366 slides downward, and the pressure plate 367 is combined with another part of the lower ring body 360. As the pressure plate 367 continues to move downward, the lower ring body 360 is combined with the upper ring body 361, and the pressure plates 367 of the upper and lower parts are squeezed to form a clamping and positioning for the steel sheet, thereby ensuring stability during one-time spraying; and after the combination, the plug on the pressure plate 367 is connected to the socket of the bottom lower ring body 360, at this time, the rotating rod 37 is energized, and the rotating rod 37 rotates to drive the lower ring body 360 to move, and the lower ring body 360 and the upper ring body 361 rotate synchronously. In the case of overall movement, the clamped steel sheet is sprayed comprehensively at multiple angles, which solves the problem that only one side can be sprayed during one spraying, expands the spraying coverage, reduces the difficulty of adjustment, and improves work efficiency.

[0042] Generally, the steel sheet is sprayed in all directions by rotating. However, the position where the steel sheet is clamped belongs to the blind area of ​​spraying, which leads to the problem that the spraying still needs to be improved. Therefore, after the double-headed screw 33 is energized, the driving block 2 38 is affected by the threaded fit and moves. The driving block 2 38 is displaced in the direction close to the rotating rod 1 36. At this time, after sensing the electrical signal of the movement of the driving block 2 38, the extension rod 304 extends from the electric telescopic cylinder 303 and pushes the clamped steel sheet. The steel sheet rotates along the position of the middle groove, which changes the position of the blind area of ​​spraying, thereby improving the completeness of the spraying. It should be noted that this needs to be executed after the steel sheet is fully sprayed at multiple angles and the equipment is stopped.

[0043] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A steel sheet spraying device, characterized in that: The invention comprises a support leg (1), wherein an air pump (2) is fixedly connected to the top of the support leg (1), a guide rail (3) is fixedly connected to the side of the top of the air pump (2), a driving component for placing a steel sheet is arranged inside the guide rail (3), a rotating table (4) for supporting a gun body is fixedly installed in the middle of the top of the air pump (2), a switch for controlling air pressure is clamped on the side of the top of the air pump (2) away from the guide rail (3), a spraying tube (5) is inserted into the outer surface of the air pump (2), a spray gun (6) is fixedly connected to the output end of the spraying tube (5), a coating body (7) for loading a spraying liquid is connected through the top of the spray gun (6), and an anti-blocking component is arranged inside the spray gun (6), and the anti-blocking component is used to prevent the coating liquid from blocking; The anti-clogging component comprises a gun housing (61) mounted on the top of the spray gun (6), a nozzle (62) being fixedly connected to a port of the gun housing (61) away from the air pump (2), a plurality of adjusting members (63) being rotatably connected to an inner side wall of the gun housing (61), the plurality of adjusting members (63) being distributed in a circular shape, a support bar (64) being fixedly connected to one end of the plurality of adjusting members (63) away from the inner side wall of the gun housing (61), an elastic pendulum (66) being connected to the outer periphery of the support bar (64) close to the nozzle (62), a swing ball (67) being fixedly connected to one end of the elastic pendulum (66) close to the nozzle (62), a hook (65) being fixedly connected to one end of the elastic pendulum (66) away from the support bar (64), and the hook (65) being connected to the inner side wall of the gun housing (61); The driving assembly comprises a baffle (31) mounted on the side of the guide rail (3), a double-headed screw (33) being rotatably connected to the inner cavity of the guide rail (3), one end of the double-headed screw (33) being externally connected to a servo motor (32), the outer surface of the double-headed screw (33) being threadedly connected to a driving block (34), a slanted plate (35) being fixedly connected to the side of the driving block (34), the slanted plate (35) being composed of an inclined portion and a vertical portion, a rotating rod (36) being rotatably connected to the vertical portion of the slanted plate (35), an end surface of the slanted plate (35) being located below the rotating rod (36) and being rotatably connected to a rotating rod (37), the rotating rod (36) and the rotating rod (37) being used to flip the steel sheet, the rotating rod (37) being externally connected to a direct drive motor, and an output rod of the rotating rod (37) being connected to an output end of the direct drive motor; An upper ring body (361) is fixedly connected to the side of the first rotating rod (36), and a lower ring body (360) is fixedly connected to the side of the second rotating rod (37). The lower end of the upper ring body (361) and the lower ring body (360) are provided with corresponding bayonet holes. The top of the upper ring body (361) and the bottom of the lower ring body (360) are both provided with clamping components, and the clamping components are used to clamp the steel sheet. The clamping assembly comprises a plurality of clamping seats (362) mounted on the top of the upper ring body (361), the inner side walls of the plurality of clamping seats (362) being rotatably connected to a rotating shaft, the outer periphery of the rotating shaft being fixedly connected to a first insert strip (363), the lower end of the plurality of first insert strips (363) being fixedly connected to a second insert strip (364), the inner cavities of the plurality of clamping seats (362) being penetrated and connected to a clamp (368), the clamp (368) being used to drive the plurality of clamping seats (362) to work synchronously, and the clamp (368) being connected to the rotating shaft of the first insert strip (363); A limiting groove is provided inside the first insert (363), an electromagnet (365) is slidably connected in the middle of the limiting groove of the first insert (363), a spiral rod (366) is fixedly connected to the bottom end of the second insert (364), and a pressure plate (367) is threadedly connected to the outer circumference of the spiral rod (366); A second driving block (38) is fixedly connected to the outer surface of the double-headed screw rod (33); a second inclined plate (39) is fixedly connected to the side of the second driving block (38) close to the first rotating rod (36); a base (301) is fixedly connected to the side of the second inclined plate (39); a bottom cylinder (302) is fixedly connected to the top of the base (301); a rotating column is rotatably connected to the inner cavity of the bottom cylinder (302); an electric telescopic cylinder (303) is fixedly connected to the outer periphery of the rotating column; a telescopic rod (304) is telescopically connected to the inner cavity of the electric telescopic cylinder (303); the second driving block (38) is located inside the guide rail (3), and the second driving block (38) is threadedly connected to the double-headed screw rod (33).

2. A steel sheet spraying device according to claim 1, characterized in that: The upper ring body (361) contains an infrared sensor, and the spray gun (6) contains a processor.

3. A steel sheet spraying device according to claim 1, characterized in that: The inner wall of the upper ring body (361) is provided with a slide rail corresponding to the pressing plate (367). The inner wall of the upper ring body (361) is slidably connected to the pressing plate (367). The bottom of the pressing plate (367) is provided with an arc groove adapted to the steel sheet. The spiral rod (366) is fixedly connected to the inner wall of the upper ring body (361).

4. A steel sheet spraying device according to claim 1, characterized in that: The electromagnet (365) and the card holder (362) have the same magnetic properties, both of which are positive poles, and a controller is provided in the card holder (362). The pressure plate (367) is composed of an upper and lower part, the upper pressure plate (367) is slidably connected to the inner wall of the upper ring body (361), and the lower pressure plate (367) is fixedly connected to the inner wall of the lower ring body (360). The inner wall of the upper pressure plate (367) is provided with a plug, and the lower pressure plate (367) is provided with a socket.

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