Powder spraying device and using method thereof

Abstract

The invention discloses a powder spraying device and a using method thereof, the powder spraying device is applied to the technical field of powder spraying, a circulating mechanism is arranged, a conveying assembly can be matched with a conveying assembly, an anti-blocking assembly, a spraying assembly and a recycling assembly, and the anti-blocking assembly is driven by the conveying assembly to rotate; the anti-blocking assembly can drive the spraying assembly to adjust the spraying direction, air at the recycling assembly is pumped into the anti-blocking assembly through the air supply assembly, and when the conveying assembly conveys powder to the anti-blocking assembly, the air supply assembly conveys the flowing air into the anti-blocking assembly; the anti-blocking assembly can scatter caked powder along with flowing air and convey the powder to the spraying assembly, the spraying assembly can spray the powder to the surface of a workpiece needing to be sprayed, the recycling assembly recycles the powder splashed during spraying, and the effect of recycling and spraying the powder can be achieved; and the flexibility of powder spraying is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of powder spraying, and in particular relates to a powder spraying device and a use method thereof. Background Art

[0002] In modern industrial production, surface treatment is crucial to product quality and appearance. Powder spraying equipment has emerged as an advanced surface coating equipment. It is mainly composed of a powder supply system, a spray gun, a recovery system and other parts. The powder supply system evenly supplies powder coating to the spray gun. The spray gun uses compressed air to charge and atomize the powder and spray it onto the surface of the workpiece to be processed. The recovery system is responsible for collecting excess powder that is not attached to the workpiece for recycling. Compared with traditional coating methods, powder spraying equipment has the advantages of high environmental protection, good coating quality, and automated operation. It is widely used in many industries such as metal products, automotive parts, and home appliances.

[0003] At present, a Chinese invention with publication number: CN115646678B discloses a powder spraying device, including a material storage barrel, and a material pipe rotatably arranged on the axial center line of the material storage barrel. During operation, gas is flowed through the material pipe body to absorb the powder coating in the material storage barrel and spray it from the spray gun. It also includes a dispersion component, which includes an annular partition arranged in the material storage barrel, a plurality of arc-shaped spring pieces are arranged in parallel in the circumferential direction between the material pipe and the partition, a plurality of pulling pieces are arranged in the circumferential direction between the inner side wall of the material storage barrel and the partition, a plurality of the spring pieces correspond to a plurality of the pulling pieces one by one, and a plurality of the pulling pieces intermittently straighten a plurality of the spring pieces based on the rotational force of the material pipe.

[0004] Existing powder spraying devices and methods of use thereof have the following disadvantages when used:

[0005] 1. When spraying powder onto a designated target, due to the lack of an auxiliary guiding structure for the powder spraying trajectory, the powder spraying trajectory cannot be guided, thereby reducing the stability of the powder when spraying onto the target;

[0006] 2. When the powder is sprayed onto a designated target, the splashed powder cannot be recycled in real time due to the lack of a structure for recycling the splashed powder in real time, which reduces the efficiency of powder recycling. Summary of the invention

[0007] The object of the present invention is to provide a powder spraying device and a method for using the same, which have the following advantages:

[0008] 1. When spraying powder onto a designated target, the powder spraying trajectory can be guided by an auxiliary guiding structure, thereby improving the stability of the powder spraying onto the target;

[0009] 2. When the powder is sprayed onto the designated target, the splashed powder can be recycled in real time due to the structure of real-time recycling of the splashed powder, thus improving the efficiency of powder recycling.

[0010] The above technical objectives of the present invention are achieved through the following technical solutions: a powder spraying device, comprising a guiding mechanism and a circulation mechanism, the circulation mechanism being bolted to the surface of the guiding mechanism, the guiding mechanism comprising a transmission component, a guide component and a driving component, the guide component being bolted to the rear side of the transmission component, the driving component being rotatably connected to the surface of the guide component, the transmission component being meshed with the driving component, the circulation mechanism comprising a transmission component, an air supply component, an anti-blocking component, a spraying component and a recovery component, the transmission component being bolted to the surface of the driving component, the air supply component being connected to the rear side of the transmission component, the anti-blocking component being connected to the rear side of the air supply component, the spraying component being connected to the rear side of the anti-blocking component, the inner side of the spraying component being rotatably connected to the surface of the guide component, and the recovery component being bolted to the rear side of the spraying component.

[0011] By adopting the above technical scheme, a guiding mechanism and a circulation mechanism are set up. The guiding mechanism can electrostatically guide the powder sprayed by the circulation mechanism to increase the stability during spraying, and can drive the circulation mechanism to rotate, thereby adjusting the rotation angle and the spraying angle of the circulation mechanism. The circulation mechanism can recover the excess powder from the spraying and directly recycle it, thereby improving the flexibility during powder spraying.

[0012] The present invention is further configured as follows: the transmission assembly comprises a positioning rod, a positioning ring and an adjusting electric gear, the positioning ring is bolted to the rear side of the positioning rod surface, and the adjusting electric gear is bolted to the surface of the positioning ring.

[0013] By adopting the above technical solution and setting a transmission component, the positioning rod can cooperate with the positioning ring and the adjusting electric gear, the positioning rod can limit the positioning ring, and the adjusting electric gear can drive the driving component to rotate, so that the orientation of the circulation mechanism can be adjusted.

[0014] The present invention is further configured as follows: the guide assembly includes a conduction rod, a guide groove and an electrostatic needle, the conduction rod is bolted to the rear side of the positioning rod, the guide groove is opened on the surface of the conduction rod, and the electrostatic needle is bolted to the rear side of the conduction rod.

[0015] By adopting the above technical solution, through setting up a guide component, the conduction rod can cooperate with the guide groove and the electrostatic needle. The conduction rod can limit the driving component and guide the movement of the driving component. The guide groove can guide and limit the rotation of the circulation mechanism. The electrostatic needle can adjust the electric field of the spray powder and the surface of the workpiece to be sprayed, so that the powder can be better coated on the surface of the workpiece.

[0016] The present invention is further configured as follows: the driving assembly includes a transmission swivel, a transmission gear plate and a guide ring, the transmission swivel is rotatably connected to the front side of the surface of the conduction rod, the transmission gear plate is bolted to the surface of the transmission swivel, the guide ring is bolted to the surface of the transmission gear plate, and the front side of the transmission gear plate is meshed with the output end of the rear side of the adjusting electric gear.

[0017] By adopting the above technical solution, through setting up a driving component, the transmission swivel can cooperate with the transmission tooth plate and the guide ring, and the rotation of the transmission tooth plate can be guided by the transmission swivel, so that the transmission tooth plate can rotate along with the rotation of the adjusting electric gear, thereby driving the guide ring to rotate, and the guide ring can drive the circulation mechanism to rotate, thereby changing the orientation of the circulation mechanism.

[0018] The present invention is further configured as follows: the transmission assembly includes a transmission plate, a feeding pipe and a powder storage tank, the transmission plate is bolted to the surface of the guide ring, the feeding pipe is connected to the rear side of the transmission plate, the powder storage tank is connected to the surface of the transmission plate, and the powder storage tank passes through the transmission plate and is connected to the feeding pipe.

[0019] By adopting the above technical solution, a transmission component is set up, and the transmission plate can cooperate with the feeding pipe and the powder storage tank. By rotating the transmission plate along the guide ring, the feeding pipe and the air supply component can be driven to rotate together, thereby changing the orientation of the feeding pipe and the air supply component and adjusting the spraying mode of the spray component. The feeding pipe can transmit the powder transported by the powder storage tank to the anti-blocking component, thereby providing powder for the anti-blocking component.

[0020] The present invention is further configured as follows: the air supply assembly includes an air pump, a filter tube and a recovery air pipe, the air pump is connected to the front side of the feed pipe, the filter tube is connected to the front side of the air pump, and the recovery air pipe is connected to the rear side of the filter tube.

[0021] By adopting the above technical solution, an air supply component is set up, and the vacuum pump can cooperate with the filter tube and the recovery air pipe. The air at the recovery air pipe is blown to the feeding pipe through the filter tube by the vacuum pump, which can provide flowing air for the transportation of powder, thereby increasing the stability of air transportation and circulating the powder recovered by the recovery component.

[0022] The present invention is further configured as follows: the anti-blocking component includes a material transfer pipe, a guide rotating rod and a spiral punching plate, the material transfer pipe is connected to the rear side of the feed pipe, the guide rotating rod is rotatably connected to the inner side of the material transfer pipe, and the spiral punching plate is bolted to the inner side of the guide rotating rod.

[0023] By adopting the above technical solution and setting up an anti-blocking component, the material transfer pipe can cooperate with the guide rotating rod and the spiral punching plate, and the powder transported by the material transfer pipe can be transmitted to the spiral punching plate through the material transfer pipe. When the spiral punching plate is pushed by the flowing air, it can rotate along the guide rotating rod in the material transfer pipe, so that the powder can be quickly collided to break up the agglomerated powder and further transported to the spraying component to avoid blockage caused by powder agglomeration.

[0024] The present invention is further configured as follows: the spraying assembly includes a follower swivel, a material guide pipe and a nozzle, the follower swivel is rotatably connected to the inner side of the guide groove, the material guide pipe is connected to the front side of the follower swivel, the front side of the material guide pipe is connected to the rear side of the material transfer pipe, the nozzle is connected to the rear side of the follower swivel, and the front side of the nozzle passes through the follower swivel and is connected to the material guide pipe.

[0025] By adopting the above technical solution and setting up a spraying assembly, the follower swivel can cooperate with the material guide tube and the nozzle. The material guide tube can rotate along the feed tube as the material transfer tube rotates, which can drive the follower swivel and the nozzle to rotate, thereby changing the angle and direction of the nozzle spraying on the workpiece, thereby increasing the flexibility of the workpiece spraying process.

[0026] The present invention is further configured as follows: the recovery assembly includes an extension rod, a collection ring tube and a tracing tube, the extension rod is bolted to the rear side of the follower swivel, the collection ring tube is bolted to the rear side of the extension rod, the tracing tube is connected to the front side of the collection ring tube, and the front side of the tracing tube is connected to the rear side of the recovery air pipe.

[0027] By adopting the above technical solution and setting up a recovery component, the extension rod can cooperate with the collection ring tube and the tracing back tube. The collection ring tube can be driven to rotate by the extension rod rotating with the follower swivel. The tracing back tube can recover the air near the collection ring tube and the powder splashed during spraying by recycling the air drawn out of the air pipe.

[0028] A method for using a powder spraying device comprises the following steps:

[0029] S1. Spraying and recycling: First, the circulation mechanism is powered on and started, and then the vacuum pump will pump the air at the collection ring pipe into the recovery air pipe through the tracing pipe, and then the air will enter the feeding pipe through the filter pipe, and then the powder storage tank will transport the powder to the feeding pipe, so that the powder will enter the feeding pipe together with the flowing air. When the air flows through the spiral punching plate, the spiral punching plate will rotate along the guide rod with the push of the air, and break up the agglomerated powder, and then the powder will be transported to the guide pipe with the air, and finally enter the nozzle, and the nozzle will spray the powder onto the surface of the workpiece, and the splashed powder will be collected by the collection ring pipe and collected by the tracing pipe again to form a cycle;

[0030] S2. Spraying guidance and spraying direction adjustment: First, energize and start the guiding mechanism, then adjust the electric gear to rotate the transmission gear plate along the positioning ring, the transmission gear plate will drive the guide ring to rotate along the transmission swivel, the guide ring will change the direction of the circulation mechanism until it reaches the desired spraying point, the electrostatic needle will change the electric field on the workpiece surface, and when the powder is close to the workpiece surface, it will be further adsorbed on the workpiece surface.

[0031] In summary, the present invention has the following beneficial effects:

[0032] 1. By setting the guiding mechanism, the transmission component can cooperate with the guiding component and the driving component. The transmission component drives the driving component to rotate, and the orientation of the circulation mechanism can be adjusted to change the spraying orientation of the circulation mechanism to the spraying target. The guiding component can adjust the electric field on the surface of the sprayed workpiece, thereby increasing the stability of the powder coating on the workpiece surface and increasing the stability of the workpiece during spraying;

[0033] 2. By setting up a circulation mechanism, the transmission component can cooperate with the transmission component, anti-blocking component, spraying component and recovery component. The transmission component can drive the anti-blocking component to rotate, and the anti-blocking component can drive the spraying component to adjust the spraying direction. The air at the recovery component can be pumped into the anti-blocking component through the air supply component. When the transmission component transports the powder to the anti-blocking component, the air supply component can transport the flowing air to the anti-blocking component. The anti-blocking component can break up the agglomerated powder with the flowing air and transport the powder to the spraying component. The spraying component can spray the powder on the surface of the workpiece to be sprayed, and the powder splashed during spraying can be recovered through the recovery component, so as to achieve the effect of recycling and spraying the powder, thereby increasing the flexibility of powder spraying. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0035] Figure 2 It is a schematic diagram of the guiding mechanism structure of the present invention;

[0036] Figure 3 It is a schematic diagram of the transmission assembly structure of the present invention;

[0037] Figure 4 It is a schematic diagram of the structure of the guide assembly of the present invention;

[0038] Figure 5 It is a schematic diagram of the structure of the driving component of the present invention;

[0039] Figure 6 It is a schematic diagram of the circulation mechanism structure of the present invention;

[0040] Figure 7It is a schematic diagram of the structure of the transmission component and the air delivery component of the present invention;

[0041] Figure 8 It is a schematic diagram of the anti-blocking component structure of the present invention;

[0042] Fig. 9 It is a schematic diagram of the structure of the spray assembly of the present invention;

[0043] Fig.10 is a schematic diagram of the structure of the recycling component of the present invention;

[0044] Fig.11 It is a schematic diagram of the method of use of the present invention.

[0045] Figure numerals: 1. guide mechanism; 11. transmission assembly; 111. positioning rod; 112. positioning ring; 113. adjusting electric gear; 12. guide assembly; 121. conduction rod; 122. guide groove; 123. electrostatic needle; 13. driving assembly; 131. transmission swivel; 132. transmission tooth plate; 133. guide ring; 2. circulation mechanism; 21. transmission assembly; 211. transmission plate; 212. feeding Tube; 213, powder storage tank; 22, air supply assembly; 221, vacuum pump; 222, filter tube; 223, recovery air pipe; 23, anti-blocking assembly; 231, material transfer pipe; 232, guide rotating rod; 233, spiral punching plate; 24, spraying assembly; 241, follow-up rotating ring; 242, material guide pipe; 243, nozzle; 25, recovery assembly; 251, extension rod; 252, collection ring pipe; 253, tracing pipe. DETAILED DESCRIPTION

[0046] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0047] Embodiment 1:

[0048] refer to Figure 1-5 A powder spraying device includes a guiding mechanism 1, wherein the guiding mechanism 1 includes a transmission component 11, a guide component 12 and a driving component 13. The guide component 12 is bolted to the rear side of the transmission component 11, and the driving component 13 is rotatably connected to the surface of the guide component 12. The transmission component 11 is meshed with the driving component 13. By setting the guiding mechanism 1, the transmission component 11 can cooperate with the guide component 12 and the driving component 13. The driving component 13 is driven to rotate by the transmission component 11, and the orientation of the circulation mechanism 2 can be adjusted to change the spraying orientation of the circulation mechanism 2 to the spraying target. The guiding component 12 can adjust the electric field on the surface of the sprayed workpiece, thereby increasing the stability of the powder coating on the workpiece surface and increasing the stability of the workpiece during spraying.

[0049] like Figure 3As shown, the transmission component 11 includes a positioning rod 111, a positioning ring 112 and an adjusting electric gear 113. The positioning ring 112 is bolted to the rear side of the surface of the positioning rod 111, and the adjusting electric gear 113 is bolted to the surface of the positioning ring 112. By setting the transmission component 11, the positioning rod 111 can cooperate with the positioning ring 112 and the adjusting electric gear 113. The positioning rod 111 can limit the positioning ring 112, and the adjusting electric gear 113 can drive the driving component 13 to rotate, so that the orientation of the circulating mechanism 2 can be adjusted.

[0050] like Figure 4 As shown, the guide component 12 includes a conduction rod 121, a guide groove 122 and an electrostatic needle 123. The conduction rod 121 is bolted to the rear side of the positioning rod 111, the guide groove 122 is opened on the surface of the conduction rod 121, and the electrostatic needle 123 is bolted to the rear side of the conduction rod 121. By setting the guide component 12, the conduction rod 121 can cooperate with the guide groove 122 and the electrostatic needle 123. The driving component 13 is limited by the conduction rod 121, and the movement of the driving component 13 can be guided. The guide groove 122 can guide and limit the rotation of the circulation mechanism 2. The electrostatic needle 123 can adjust the electric field between the spraying powder and the surface of the desired spraying workpiece, so that the powder can be better coated on the workpiece surface.

[0051] like Figure 5 As shown, the driving component 13 includes a transmission swivel 131, a transmission tooth plate 132 and a guide ring 133. The transmission swivel 131 is rotatably connected to the front side of the surface of the conduction rod 121, the transmission tooth plate 132 is bolted to the surface of the transmission swivel 131, and the guide ring 133 is bolted to the surface of the transmission tooth plate 132. The front side of the transmission tooth plate 132 is meshed with the output end of the rear side of the adjusting electric gear 113. By setting the driving component 13, the transmission swivel 131 can cooperate with the transmission tooth plate 132 and the guide ring 133. The rotation of the transmission tooth plate 132 is guided by the transmission swivel 131, so that the transmission tooth plate 132 can rotate with the rotation of the adjusting electric gear 113, thereby driving the guide ring 133 to rotate, and the guide ring 133 drives the circulation mechanism 2 to rotate, thereby changing the orientation of the circulation mechanism 2.

[0052] Brief description of the usage process: First, energize and start the guide mechanism 1, then adjust the electric gear 113 to rotate the transmission gear plate 132 along the positioning ring 112, and the transmission gear plate 132 will drive the guide ring 133 to rotate along the transmission rotating ring 131, and the guide ring 133 will change the orientation of the circulation mechanism 2 until it reaches the desired spraying location, and the electrostatic needle 123 will change the electric field on the surface of the workpiece, and when the powder is close to the surface of the workpiece, it will be further adsorbed on the surface of the workpiece.

[0053] Embodiment 2:

[0054] refer to Figure 6-10 A powder spraying device includes a circulation mechanism 2, which is bolted to the surface of a guide mechanism 1. The circulation mechanism 2 includes a transmission component 21, an air supply component 22, an anti-blocking component 23, a spraying component 24 and a recovery component 25. The transmission component 21 is bolted to the surface of a driving component 13, the air supply component 22 is connected to the rear side of the transmission component 21, the anti-blocking component 23 is connected to the rear side of the air supply component 22, the spraying component 24 is connected to the rear side of the anti-blocking component 23, the inner side of the spraying component 24 is rotatably connected to the surface of the guide component 12, and the recovery component 25 is bolted to the rear side of the spraying component 24. By setting the circulation mechanism 2, the transmission component 21 can be connected to the transmission component 21, the anti-blocking component 23, the spraying component 24 and the recovery component 25 In cooperation, the transmission component 21 drives the anti-blocking component 23 to rotate, so that the anti-blocking component 23 can drive the spraying component 24 to adjust the spraying direction, and the air at the recovery component 25 is pumped into the anti-blocking component 23 through the air supply component 22. When the transmission component 21 transports the powder to the anti-blocking component 23, the air supply component 22 can transport the flowing air into the anti-blocking component 23. The anti-blocking component 23 can break up the agglomerated powder with the flowing air and transport the powder to the spraying component 24. The spraying component 24 can spray the powder on the surface of the workpiece to be sprayed, and recover the powder splashed during spraying through the recovery component 25, so as to achieve the effect of recycling and spraying the powder, thereby increasing the flexibility of powder spraying.

[0055] like Figure 7 As shown, the transmission component 21 includes a transmission plate 211, a feeding pipe 212 and a powder storage tank 213. The transmission plate 211 is bolted to the surface of the guide ring 133, the feeding pipe 212 is connected to the rear side of the transmission plate 211, and the powder storage tank 213 is connected to the surface of the transmission plate 211. The powder storage tank 213 passes through the transmission plate 211 and is connected to the feeding pipe 212. By setting the transmission component 21, the transmission plate 211 can cooperate with the feeding pipe 212 and the powder storage tank 213. By rotating the transmission plate 211 along with the guide ring 133, the feeding pipe 212 and the air supply component 22 can be driven to rotate together, thereby changing the orientation of the feeding pipe 212 and the air supply component 22, and adjusting the spraying mode of the spray component 24. The feeding pipe 212 can transmit the powder transported by the powder storage tank 213 to the anti-blocking component 23, thereby providing powder to the anti-blocking component 23.

[0056] like Figure 7As shown, the air supply component 22 includes an air pump 221, a filter tube 222 and a recovery air pipe 223. The air pump 221 is connected to the front side of the feeding pipe 212, the filter tube 222 is connected to the front side of the air pump 221, and the recovery air pipe 223 is connected to the rear side of the filter tube 222. By setting the air supply component 22, the air pump 221 can cooperate with the filter tube 222 and the recovery air pipe 223. The air at the recovery air pipe 223 is blown to the feeding pipe 212 through the filter tube 222 by the air pump 221, which can provide flowing air for the transportation of powder, thereby increasing the stability of air transportation, and circulating the powder recovered by the recovery component 25.

[0057] like Figure 8 As shown, the anti-blocking component 23 includes a transfer pipe 231, a guide rotating rod 232 and a spiral punching plate 233. The transfer pipe 231 is connected to the rear side of the feed pipe 212, the guide rotating rod 232 is rotatably connected to the inner side of the transfer pipe 231, and the spiral punching plate 233 is bolted to the inner side of the guide rotating rod 232. By setting the anti-blocking component 23, the transfer pipe 231 can cooperate with the guide rotating rod 232 and the spiral punching plate 233, and the powder conveyed by the feed pipe 212 is transmitted to the spiral punching plate 233 through the transfer pipe 231. When the spiral punching plate 233 is pushed by the flowing air, it can rotate in the transfer pipe 231 along the guide rotating rod 232, so that the powder can be quickly collided to break up the agglomerated powder and further convey it to the spraying component 24 to avoid blockage caused by powder agglomeration.

[0058] like Fig. 9 As shown, the spray assembly 24 includes a follower swivel 241, a material guide pipe 242 and a nozzle 243. The follower swivel 241 is rotatably connected to the inner side of the guide groove 122, the material guide pipe 242 is connected to the front side of the follower swivel 241, the front side of the material guide pipe 242 is connected to the rear side of the material transfer pipe 231, the nozzle 243 is connected to the rear side of the follower swivel 241, and the front side of the nozzle 243 passes through the follower swivel 241 and is connected to the material guide pipe 242. By setting the spray assembly 24, the follower swivel 241 can cooperate with the material guide pipe 242 and the nozzle 243. The material guide pipe 242 rotates along the rotation of the material transfer pipe 231 along the feed pipe 212, which can drive the follower swivel 241 and the nozzle 243 to rotate, thereby changing the angle and orientation of the nozzle 243 spraying the workpiece, thereby increasing the flexibility during the spraying process of the workpiece.

[0059] like Fig.10As shown, the recovery component 25 includes an extension rod 251, a collection ring tube 252 and a tracing back tube 253. The extension rod 251 is bolted to the rear side of the follow-up rotating ring 241, the collection ring tube 252 is bolted to the rear side of the extension rod 251, and the tracing back tube 253 is connected to the front side of the collection ring tube 252. The front side of the tracing back tube 253 is connected to the rear side of the recovery air pipe 223. By setting the recovery component 25, the extension rod 251 can cooperate with the collection ring tube 252 and the tracing back tube 253. By rotating the extension rod 251 along with the follow-up rotating ring 241, the collection ring tube 252 can be driven to rotate. The tracing back tube 253 can recover the air near the collection ring tube 252 and the powder splashed during spraying through the air extracted from the recovery air pipe 223.

[0060] Brief description of the usage process: First, the circulation mechanism 2 is powered on and started, and then the vacuum pump 221 will pump the air at the collection ring pipe 252 into the recovery air pipe 223 through the tracing pipe 253, and then the air will pass through the filter tube 222 to enter the feeding pipe 212, and then the powder storage tank 213 will transport the powder to the feeding pipe 212, allowing the powder to enter the transfer pipe 231 together with the flowing air, and when the air flows through the spiral punching plate 233, the spiral punching plate 233 will rotate along the guide rotating rod 232 as the air pushes, and the agglomerated powder will be broken up, and then the powder will be transported to the guide pipe 242 along with the air, and finally enter the nozzle 243, and the nozzle 243 will spray the powder onto the surface of the workpiece, and the splashed powder will be collected by the collection ring pipe 252 and collected again in the tracing pipe 253 to form a cycle.

[0061] The specific steps of using the above-mentioned powder spraying device are as follows:

[0062] S1. Spraying and recycling: First, the circulation mechanism 2 is powered on and started, and then the air pump 221 will pump the air at the collection ring pipe 252 into the recovery air pipe 223 through the tracing pipe 253, and then the air will pass through the filter pipe 222 and enter the feeding pipe 212, and then the powder storage tank 213 will transport the powder to the feeding pipe 212, so that the powder can enter the feeding pipe 231 together with the flowing air, and when the air flows through the spiral punching plate 233, the spiral punching plate 233 will rotate along the guide rotating rod 232 with the push of the air, and break up the agglomerated powder, and then the powder will be transported to the guide pipe 242 with the air, and finally enter the nozzle 243, and the nozzle 243 will spray the powder onto the surface of the workpiece, and the splashed powder will be collected by the collection ring pipe 252 and collected by the tracing pipe 253 again to form a cycle;

[0063] S2. Spraying guidance and spraying direction adjustment: First, energize and start the guiding mechanism 1, and then adjust the electric gear 113 to rotate the transmission gear plate 132 along the positioning ring 112, and the transmission gear plate 132 will drive the guide ring 133 to rotate along the transmission swivel 131, and the guide ring 133 will change the direction of the circulation mechanism 2 until it reaches the desired spraying position, and the electrostatic needle 123 will change the electric field on the surface of the workpiece, and when the powder is close to the surface of the workpiece, it will be further adsorbed on the surface of the workpiece.

[0064] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A powder spraying device, comprising a guiding mechanism (1) and a circulation mechanism (2), characterized in that: The circulation mechanism (2) is bolted to the surface of the guide mechanism (1); the guide mechanism (1) comprises a transmission component (11), a guide component (12) and a driving component (13); the guide component (12) is bolted to the rear side of the transmission component (11); the driving component (13) is rotatably connected to the surface of the guide component (12); the transmission component (11) is meshed with the driving component (13); the circulation mechanism (2) comprises a transmission component (21), an air supply component (22), an anti-blocking component (23), A spraying component (24) and a recovery component (25), wherein the transmission component (21) is bolted to the surface of the driving component (13), the air supply component (22) is connected to the rear side of the transmission component (21), the anti-blocking component (23) is connected to the rear side of the air supply component (22), the spraying component (24) is connected to the rear side of the anti-blocking component (23), the inner side of the spraying component (24) is rotatably connected to the surface of the guide component (12), and the recovery component (25) is bolted to the rear side of the spraying component (24).

2. A powder spraying device according to claim 1, characterized in that: The transmission assembly (11) comprises a positioning rod (111), a positioning ring (112) and an adjusting electric gear (113); the positioning ring (112) is bolted to the rear side of the surface of the positioning rod (111); and the adjusting electric gear (113) is bolted to the surface of the positioning ring (112).

3. A powder spraying device according to claim 2, characterized in that: The guide assembly (12) comprises a conductive rod (121), a guide groove (122) and an electrostatic needle (123); the conductive rod (121) is bolted to the rear side of the positioning rod (111); the guide groove (122) is formed on the surface of the conductive rod (121); and the electrostatic needle (123) is bolted to the rear side of the conductive rod (121).

4. A powder spraying device according to claim 3, characterized in that: The driving assembly (13) comprises a transmission swivel (131), a transmission tooth plate (132) and a guide ring (133); the transmission swivel (131) is rotatably connected to the front side of the surface of the conduction rod (121); the transmission tooth plate (132) is bolted to the surface of the transmission swivel (131); the guide ring (133) is bolted to the surface of the transmission tooth plate (132); the front side of the transmission tooth plate (132) is meshed with the output end of the rear side of the adjusting electric gear (113).

5. A powder spraying device according to claim 4, characterized in that: The transmission assembly (21) comprises a transmission plate (211), a feeding pipe (212) and a powder storage tank (213); the transmission plate (211) is bolted to the surface of the guide ring (133); the feeding pipe (212) is connected to the rear side of the transmission plate (211); the powder storage tank (213) is connected to the surface of the transmission plate (211); and the powder storage tank (213) passes through the transmission plate (211) and is connected to the feeding pipe (212).

6. A powder spraying device according to claim 5, characterized in that: The air supply assembly (22) comprises an air pump (221), a filter tube (222) and an air recovery tube (223); the air pump (221) is connected to the front side of the feed tube (212); the filter tube (222) is connected to the front side of the air pump (221); and the air recovery tube (223) is connected to the rear side of the filter tube (222).

7. A powder spraying device according to claim 5, characterized in that: The anti-blocking component (23) includes a material transfer pipe (231), a guide rotating rod (232) and a spiral punching plate (233); the material transfer pipe (231) is connected to the rear side of the feed pipe (212); the guide rotating rod (232) is rotatably connected to the inner side of the material transfer pipe (231); and the spiral punching plate (233) is bolted to the inner side of the guide rotating rod (232).

8. A powder spraying device according to claim 7, characterized in that: The spraying assembly (24) comprises a follower swivel (241), a material guide tube (242) and a nozzle (243); the follower swivel (241) is rotatably connected to the inner side of the guide groove (122); the material guide tube (242) is connected to the front side of the follower swivel (241); the front side of the material guide tube (242) is connected to the rear side of the material transfer tube (231); the nozzle (243) is connected to the rear side of the follower swivel (241); the front side of the nozzle (243) passes through the follower swivel (241) and is connected to the material guide tube (242).

9. A powder spraying device according to claim 8, characterized in that: The recovery assembly (25) comprises an extension rod (251), a collection ring tube (252) and a tracing tube (253); the extension rod (251) is bolted to the rear side of the follower swivel (241); the collection ring tube (252) is bolted to the rear side of the extension rod (251); the tracing tube (253) is connected to the front side of the collection ring tube (252); and the front side of the tracing tube (253) is connected to the rear side of the recovery air pipe (223).

10. A method for using a powder spraying device according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1. Spraying and recycling: First, the circulation mechanism (2) is powered on and started, and then the air pump (221) will pump the air at the collection ring pipe (252) into the recovery air pipe (223) through the return pipe (253), and then the air will enter the feeding pipe (212) through the filter pipe (222), and then the powder storage tank (213) will transport the powder to the feeding pipe (212), so that the powder will enter the feeding pipe (231) together with the flowing air. When air flows through the spiral punching plate (233), the spiral punching plate (233) will rotate along the guide rotating rod (232) with the push of the air, and break up the agglomerated powder. Then the powder will be transported to the guide pipe (242) with the air, and finally enter the nozzle (243). The nozzle (243) will spray the powder onto the surface of the workpiece, and the splashed powder will be collected by the collection ring pipe (252) and collected in the return pipe (253) to form a cycle. S2. Spraying guidance and spraying direction adjustment: First, the guiding mechanism (1) is powered on and started, and then the electric gear (113) is adjusted to rotate the transmission gear plate (132) along the positioning ring (112), and the transmission gear plate (132) drives the guide ring (133) to rotate along the transmission rotating ring (131), and the guide ring (133) changes the direction of the circulation mechanism (2) until it reaches the desired spraying position, and the electrostatic needle (123) changes the electric field on the surface of the workpiece, and when the powder approaches the surface of the workpiece, it is further adsorbed on the surface of the workpiece.

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