Feeding device for powder spraying

Abstract

The utility model provides a feeding device for powder spraying, which relates to the technical field of powder spraying feeding and comprises a feeding frame, a storage barrel mounted on one side of the top of the feeding frame, a feeding pipe arranged at the bottom of the feeding frame, a blanking pipe a mounted between the feeding pipe and the storage barrel, and a feeding assembly arranged in the feeding pipe and used for conveying powder. The feeding assembly comprises a servo motor, a motor shaft, a feeding auger and a bearing, and the material preparation assembly is arranged at the top of the feeding frame. According to the feeding device for powder spraying, powder entering the feeding pipe can be stirred and conveyed through the feeding assembly, caked powder can be stirred and scattered in the stirring process, feeding blockage is avoided, then the feeding speed is increased, powder of different colors can be stored at the same time through the material preparation assembly, discharging can be switched for use, and the feeding efficiency is improved. And powder of different colors can be conveniently replaced for spraying processing, color spraying operation can be conveniently carried out on the workpiece, and the working efficiency of workpiece spraying processing is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of powder spraying feeding, in particular to a feeding device for powder spraying. Background Technique

[0002] Powder spraying is a surface treatment technology mainly used for the surface decoration and protection of metals and non-metals. This technology uses powdered coatings, which are evenly sprayed on the surface of pre-treated workpieces through a spray gun, and then the powder coatings are cured by baking to form a uniform coating. During the powder spraying process, the feeding device is an important equipment in powder spraying, playing an important role in coating production. It not only improves the spraying efficiency, ensures the coating quality, but also reduces the production cost and environmental pollution. In the future development, the feeding device for powder spraying will continue to develop in the direction of high efficiency, energy saving and environmental protection to meet the growing coating needs. However, most of the existing feeding devices work by negative pressure to feed powder. When the powder accumulates in the storage bin, affected by the extrusion of its own gravity, the powder will agglomerate, resulting in easy blockage when sucking out the powder by negative pressure. At the same time, multiple colors of powder are required during color spraying. The existing treatment method is to replace the powder storage bins of different colors to perform color spraying operations on the workpieces. This method is troublesome and laborious. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is: to provide a feeding device for powder spraying, through which the feeding component can stir and convey the powder entering the inside of the feeding pipe. During the stirring process, the agglomerated powder can be stirred and dispersed to avoid feeding blockage, thereby accelerating the feeding speed. And through the stockpiling component, different kinds of powder can be stored at the same time, and the discharging can be switched for use, which is convenient for replacing different colors of powder for spraying processing and facilitating color spraying operations on workpieces, thus improving the working efficiency of workpiece spraying processing.

[0004] The technical problem to be solved by the utility model is achieved by adopting the following technical solutions:

[0005] A feeding device for powder spraying, comprising: a feeding frame, a storage bin installed on one side of the top of the feeding frame, a feeding pipe arranged at the bottom of the feeding frame, a feeding pipe a installed between the feeding pipe and the storage bin, a feeding component arranged inside the feeding pipe for conveying powder, the feeding component comprising: a servo motor, a motor shaft, a feeding auger and a bearing, a stockpiling component arranged on the top of the feeding frame for storing multiple colors of powder, the stockpiling component comprising: a spare barrel, a feeding pipe b, a solenoid valve b, a through hole and a barrel cover.

[0006] Preferably, a solenoid valve a is installed on the blanking pipe a. A servo motor is installed on one side of the outer end of the feeding pipe. One end of the servo motor is provided with a motor shaft, and the motor shaft penetrates into the interior of the feeding pipe. A feeding auger is installed on the motor shaft. A bearing rotatably connected to the motor shaft is installed on one side inside the feeding pipe. The feeding assembly can stir and convey the powder entering the interior of the feeding pipe. During the stirring process, the agglomerated powder can be stirred and dispersed, preventing feeding blockage and thus accelerating the feeding speed.

[0007] Preferably, an equipment box is installed at the bottom of the feeding frame. A suction pump is installed inside the equipment box. A suction pipe is installed between the suction pump and the blanking pipe a. A conveying pipe is installed on one side of the outer end of the suction pump, and the conveying pipe penetrates outside the equipment box. A spray gun is installed at the outer end of the conveying pipe. A collection box is placed on one side of the outer end of the equipment box. A hook is installed at a position on the outer side of the equipment box close to the conveying pipe. The powder in the conveying pipe is sprayed from the spray gun onto the surface of the workpiece, and then the powder is baked by the baking equipment on the production line to cure the powder coating and form a uniform coating on the surface of the workpiece.

[0008] Preferably, a plurality of spare barrels are installed on one side of the storage barrel. Blanking pipes b are installed at the bottoms of the plurality of spare barrels. Solenoid valves b are installed on the blanking pipes b. A plurality of through holes are formed at the top of the feeding frame, and the blanking pipes b penetrate through the through holes and are connected to the feeding pipe. The tops of the plurality of spare barrels are rotatably connected with barrel covers through hinges. Observation windows are provided on the outer sides of the plurality of spare barrels and the storage barrel. Transparent glasses are embedded in the observation windows. The spare material assembly can store different colors of powder at the same time, and can be switched for discharging and used, facilitating the replacement of different colors of powder for spraying processing, facilitating color spraying operations on workpieces, and improving the working efficiency of workpiece spraying processing.

[0009] Preferably, a control chassis is installed on one side of the top of the equipment box. Control buttons are provided on the outer side of the control chassis. A power cord is installed on the back of the control chassis. The control buttons on the outer side of the control chassis can control the start and stop of the solenoid valve a, the servo motor, the solenoid valve b, and the suction pump.

[0010] The beneficial effects of the present utility model are:

[0011] (1) Through the feeding assembly of the present utility model, the powder entering the interior of the feeding pipe can be stirred and conveyed. During the stirring process, the agglomerated powder can be stirred and dispersed, preventing feeding blockage and thus accelerating the feeding speed.

[0012] (2) The stock preparation component of the present utility model can store powders of different colors simultaneously, and can be switched for discharging materials, which is convenient for replacing powders of different colors for spraying processing, facilitating color spraying operation on workpieces and improving the working efficiency of workpiece spraying processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0014] Figure 2 It is a schematic cross-sectional view of the overall structure of the present utility model.

[0015] Figure 3 It is a schematic diagram of the structure of the feed pipe of the present utility model.

[0016] Figure 4 Of the present utility model Figure 2 Enlarged schematic diagram at position A.

[0017] Figure 5 It is a schematic diagram of the structure of the storage barrel and the spare barrel of the present utility model.

[0018] Figure 6 It is a schematic diagram of the structure of the feed rack of the present utility model.

[0019] Figures 1-6 In the figure: 1. Feed rack; 101. Storage barrel; 102. Feed pipe; 103. Discharge pipe a; 104. Solenoid valve a; 105. Servo motor; 106. Motor shaft; 107. Feed auger; 108. Bearing; 2. Spare barrel; 201. Discharge pipe b; 202. Solenoid valve b; 203. Through hole; 204. Barrel cover; 205. Observation window; 206. Transparent glass; 3. Equipment box; 301. Suction pump; 302. Suction pipe; 303. Delivery pipe; 304. Spray gun; 4. Collection box; 5. Hook; 6. Control chassis. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present application.

[0021] The present application will be described in detail below in conjunction with the drawings and specific embodiments.

[0022] Embodiment

[0023] As Figures 1-6As shown in the figure, a feeding device for powder spraying includes: a feeding rack 1, a storage bucket 101 installed on one side of the top of the feeding rack 1, a feeding pipe 102 arranged at the bottom of the feeding rack 1, a feeding pipe a 103 installed between the feeding pipe 102 and the storage bucket 101, a feeding component arranged inside the feeding pipe 102 for conveying powder, and the feeding component includes: a servo motor 105, a motor shaft 106, a feeding auger 107 and a bearing 108. A preparation component is arranged on the top of the feeding rack 1 for storing powders of multiple colors, and the preparation component includes: a spare bucket 2, a feeding pipe b 201, a solenoid valve b 202, a through hole 203 and a bucket cover 204.

[0024] Among them, a solenoid valve a 104 is installed on the feeding pipe a 103, a servo motor 105 is installed on one side of the outer end of the feeding pipe 102, one end of the servo motor 105 is installed with a motor shaft 106, and the motor shaft 106 penetrates inside the feeding pipe 102. A feeding auger 107 is installed on the motor shaft 106, and a bearing 108 rotatably connected to the motor shaft 106 is installed on one side inside the feeding pipe 102.

[0025] When performing powder spraying processing on a workpiece, the powder is pre-added into the storage bucket 101. The solenoid valve a 104 is started to open. Since the feeding pipe a 103 is installed between the feeding pipe 102 and the storage bucket 101, the powder in the storage bucket 101 is discharged from the feeding pipe a 103 into the inside of the feeding pipe 102. Then the servo motor 105 is started to work. The servo motor 105 drives the motor shaft 106 to drive the feeding auger 107 to rotate inside the feeding pipe 102, agitating and conveying the powder entering the inside of the feeding pipe 102. During the agitation process, the agglomerated powder can be agitated and dispersed, so that the powder remains loose and is sucked by the suction pump 301, avoiding feeding blockage, and thus accelerating the feeding speed.

[0026] When the servo motor 105 drives the motor shaft 106 to rotate inside the feeding pipe 102, the other end of the motor shaft 106 is rotatably connected to the bearing 108 on one side inside the feeding pipe 102. Through the bearing 108, the motor shaft 106 can be ensured to rotate smoothly, which helps the powder to be fed and discharged, and can also prevent the motor shaft 106 from being worn by rotating against the inner wall of the feeding pipe 102.

[0027] Among them, an equipment box 3 is installed at the bottom of the feeding rack 1. A suction pump 301 is installed inside the equipment box 3. A suction pipe 302 is installed between the suction pump 301 and the feeding pipe a 103. A conveying pipe 303 is installed on one side of the outer end of the suction pump 301, and the conveying pipe 303 penetrates outside the equipment box 3. A spray gun 304 is installed at the outer end of the conveying pipe 303.

[0028] When stirring and conveying the powder inside the feeding pipe 102, start the material suction pump 301. Since a material suction pipe 302 is installed between the material suction pump 301 and the blanking pipe a103, the material suction pump 301 generates suction force in the material suction pipe 302 and the feeding pipe 102. When the powder is stirred and conveyed to the material suction pipe 302, the powder is sucked out of the feeding pipe 102 by the suction force and enters the material suction pipe 302 and the material suction pump 301, and is discharged from the material suction pump 301 into the conveying pipe 303. Hold the conveying pipe 303 and the spray gun 304. The spray gun 304 is composed of a handle and a pressing switch. Aim the spray gun 304 at the surface of the workpiece, hold the pressing switch with your hand and press it, so that the powder in the conveying pipe 303 is sprayed out from the spray gun 304 onto the surface of the workpiece. After the surface of the workpiece is sprayed full, release the pressing switch to prevent the powder from being sprayed out of the spray gun 304. Then, bake the powder through the baking equipment on the production line to cure the powder coating on the surface of the workpiece to form a uniform coating.

[0029] Among them, a plurality of spare barrels 2 are installed on one side of the storage barrel 101. Blanking pipes b201 are installed at the bottoms of the plurality of spare barrels 2. Solenoid valves b202 are installed on the blanking pipes b201. A plurality of through holes 203 are opened at the top of the feeding frame 1, and the blanking pipes b201 penetrate through the through holes 203 and are connected to the feeding pipe 102. Barrel covers 204 are rotatably connected to the tops of the plurality of spare barrels 2 through hinges.

[0030] When storing powder raw materials in the storage barrel 101, there are five storage barrels 101 and spare barrels 2 in total, that is, five colors of powder raw materials can be stored in the storage barrel 101 and the spare barrels 2. When spraying the workpiece, the corresponding barrel can be selected according to the required spraying color. Blanking pipes b201 and solenoid valves b202 are installed at the bottoms of the plurality of spare barrels 2. When different colors need to be sprayed, start and open the corresponding solenoid valves b202, so that the powder stored in the spare barrels 2 will be discharged from the blanking pipes b201 into the feeding pipe 102. When the powder is stirred and conveyed to the material suction pipe 302, the powder is sucked out of the feeding pipe 102 by the suction force and enters the material suction pipe 302 and the material suction pump 301, and is discharged from the material suction pump 301 into the conveying pipe 303. Hold the conveying pipe 303 and the spray gun 304. The spray gun 304 is composed of a handle and a pressing switch. Aim the spray gun 304 at the surface of the workpiece, hold the pressing switch with your hand and press it, so that the powder in the conveying pipe 303 is sprayed out from the spray gun 304 onto the surface of the workpiece. After the surface of the workpiece is sprayed full, release the pressing switch to prevent the powder from being sprayed out of the spray gun 304. Then, bake the powder through the baking equipment on the production line to cure the powder coating on the surface of the workpiece to form a uniform coating. This method is convenient for replacing powders of different colors for spraying processing, facilitating color spraying operations on workpieces and improving the working efficiency of workpiece spraying processing.

[0031] When spraying a powder of one color, first empty the powder in the feed pipe 102 and then discharge the powder of other colors. And through the operation of pressing and releasing the pressing switch multiple times, the spray gun 304 is emptied multiple times to discharge the powder completely, and then new color powder is discharged into the feed pipe 102 to avoid different color powders being mixed together and affecting the coating quality of the workpiece.

[0032] Among them, observation windows 205 are provided on the outer sides of multiple spare barrels 2 and the storage barrel 101, and transparent glasses 206 are embedded and installed inside the observation windows 205.

[0033] During the use of multiple spare barrels 2 and the storage barrel 101, after adding powders of different colors into multiple spare barrels 2 and the storage barrel 101, the color of the powder can be clearly seen through the observation windows 205 and the transparent glasses 206, which is convenient for the staff to identify and avoid the situation of rework caused by mistakes.

[0034] Among them, a collection box 4 is placed on one side of the outer end of the equipment box 3, and a hook 5 is installed at a position on the outer side of the equipment box 3 close to the conveying pipe 303.

[0035] When performing the operation of pressing and releasing the pressing switch multiple times, aim the spray gun 304 into the collection box 4, so that after the spray gun 304 is emptied multiple times, the ejected powder can be discharged into the collection box 4 for convenient collection and treatment. After the spray gun 304 and the conveying pipe 303 are used up, the conveying pipe 303 can be wound around the hook 5 and the spray gun 304 can be placed suspended to avoid the spray gun 304 being easily damaged by being trampled when placed randomly.

[0036] Among them, a control chassis 6 is installed on one side of the top of the equipment box 3, control buttons are provided on the outer side of the control chassis 6, and a power cord is installed on the back of the control chassis 6.

[0037] When the solenoid valve a 104, the servo motor 105, the solenoid valve b 202 and the suction pump 301 are in use, they are respectively connected to the control chassis 6 through wires, and a plug is installed at the outer end of the power cord. Insert the plug into an external socket to connect the control chassis 6, the solenoid valve a 104, the servo motor 105, the solenoid valve b 202 and the suction pump 301 to the power supply, and the solenoid valve a 104, the servo motor 105, the solenoid valve b 202 and the suction pump 301 can be started and closed through the control buttons. And for the control program involved in the present utility model, those skilled in the art can all be realized according to the same or similar principles in the prior art, and this part is not the innovation of the present utility model.

[0038] In the above embodiments, the descriptions of each embodiment have their own emphases. For the parts not detailed in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0039] The above has introduced in detail a feeding device for powder spraying provided by the embodiments of the present application. Specific examples are used in this article to elaborate on the principle and implementation manner of the present application. The description of the above embodiments is only used to help understand the technical solution and its core idea of the present application. Those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features, and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A feeding device for powder spraying, characterized in that: include: Feeding rack(1); A material storage barrel (101) installed on one side of the top of the feeding rack (1); A feeding pipe (102) is arranged at the bottom of the feeding rack (1), and a feeding pipe a (103) is installed between the feeding pipe (102) and the storage barrel (101); A feeding assembly disposed inside the feeding pipe (102) for conveying powder, the feeding assembly comprising: a servo motor (105), a motor shaft (106), a feeding auger (107) and a bearing (108); The material preparation assembly arranged on the top of the feeding rack (1) is used to store powders of various colors, and the material preparation assembly comprises: a spare barrel (2), a feed pipe b (201), a solenoid valve b (202), a through hole (203) and a barrel cover (204).

2. The feeding device for powder spraying according to claim 1, characterized in that: A solenoid valve a (104) is installed on the feed pipe a (103), a servo motor (105) is installed on one side of the outer end of the feed pipe (102), a motor shaft (106) is installed on one end of the servo motor (105), and the motor shaft (106) passes through the inside of the feed pipe (102), a feed auger (107) is installed on the motor shaft (106), and a bearing (108) rotatably connected to the motor shaft (106) is installed on one side of the inside of the feed pipe (102).

3. The feeding device for powder spraying according to claim 1, characterized in that: A plurality of spare barrels (2) are installed on one side of the storage barrel (101), and a feed pipe b (201) is installed at the bottom of each of the spare barrels (2). A solenoid valve b (202) is installed on the feed pipe b (201). A plurality of through holes (203) are opened on the top of the feeding rack (1), and the feed pipe b (201) passes through the through holes (203) and is connected to the feeding pipe (102). The tops of the spare barrels (2) are rotatably connected to barrel covers (204) via hinges.

4. The feeding device for powder spraying according to claim 3, characterized in that: Observation windows (205) are provided on the outside of the plurality of standby barrels (2) and the material storage barrel (101), and transparent glass (206) is embedded and installed inside the observation windows (205).

5. The feeding device for powder spraying according to claim 1, characterized in that: An equipment box (3) is installed at the bottom of the feeding rack (1), a suction pump (301) is installed inside the equipment box (3), a suction pipe (302) is installed between the suction pump (301) and the discharge pipe a (103), a delivery pipe (303) is installed on one side of the outer end of the suction pump (301), and the delivery pipe (303) runs through the outside of the equipment box (3), and a spray gun (304) is installed at the outer end of the delivery pipe (303).

6. The feeding device for powder spraying according to claim 5, characterized in that: A collection box (4) is placed on one side of the outer end of the equipment box (3), and a hook (5) is installed on the outer side of the equipment box (3) at a position close to the conveying pipe (303).

7. The feeding device for powder spraying according to claim 5, characterized in that: A control box (6) is installed on one side of the top of the equipment box (3), a control button is provided on the outside of the control box (6), and a power cord is installed on the back of the control box (6).

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