阅读说明：本技术 一种多功能粉末涂料喷涂装置 (Multifunctional powder coating spraying device ) 是由 黄云飞 赵胜 白雪明 亓伟伟 马伟光 李鲁平 郑威 于 2019-09-30 设计创作，主要内容包括：本发明涉及一种多功能粉末涂料喷涂装置,包括移动平台、布置在移动平台上的粉末流化供粉桶,以及设置在粉末流化供粉桶上的涂料喷头,所述粉末流化供粉桶的底部连接压缩空气供气仓,粉末流化供粉桶顶部安装有接通其内部空腔并连接所述涂料喷头的粉泵,所述涂料喷头包括侧喷偏角喷头、扩散式喷头和直喷式喷头,侧喷偏角喷头、扩散式喷头和直喷式喷头分别设置不同的结构,实现不同的喷涂功能,针对异型管件的各个部位,使用相应的喷头进行喷涂操作,灵活方便,与现有技术相比,本发明具有效率高和灵活性高等优点。(The invention relates to a multifunctional powder coating spraying device, which comprises a moving platform, a powder fluidization powder supply barrel arranged on the moving platform and a coating nozzle arranged on the powder fluidization powder supply barrel, wherein the bottom of the powder fluidization powder supply barrel is connected with a compressed air supply bin, the top of the powder fluidization powder supply barrel is provided with a powder pump communicated with an inner cavity and connected with the coating nozzle, the coating nozzle comprises a side spray deflection angle nozzle, a diffusion type nozzle and a direct spray type nozzle, the side spray deflection angle nozzle, the diffusion type nozzle and the direct spray type nozzle are respectively provided with different structures to realize different spraying functions, and corresponding nozzles are used for spraying each part of a special-shaped pipe fitting.)

1. The multifunctional powder coating spraying device is characterized by comprising a moving platform, a powder fluidization powder supply barrel (4) arranged on the moving platform and a coating nozzle (5) arranged on the powder fluidization powder supply barrel (4), wherein the bottom of the powder fluidization powder supply barrel (4) is connected with a compressed air supply bin, a powder pump communicated with an inner cavity of the powder fluidization powder supply barrel (4) and connected with the coating nozzle (5) is installed at the top of the powder fluidization powder supply barrel (4), and the coating nozzle comprises a side spray deflection angle nozzle (51), a diffusion type nozzle (52) and a direct spray type nozzle (53).

2. The multifunctional powder coating spraying device as claimed in claim 1, wherein the side-spraying deflection angle nozzle (51) comprises a first cavity (513), a first powder baffle (511) and a deflection angle plate (512), the first powder baffle (511) is fixedly arranged in front of an opening at one end of the first cavity (513), a horizontal and laterally-expanded lateral powder spraying opening is formed between the first powder baffle and the first cavity (513), the deflection angle plate (512) is arc-shaped, one end of the deflection angle plate abuts against the first powder baffle (511) and is positioned at the lateral powder spraying opening, and the other end of the deflection angle plate extends into the first cavity (513) and is fixedly connected with the inner side wall of the first cavity (513).

3. The multifunctional powder coating spraying device as claimed in claim 1, wherein the diffusion type spray head comprises a second cavity (525), a second powder blocking plate (521), a diffuser (522), a fixing column (523) and a support frame (524), the fixing column (523) is arranged in the second cavity (525) through the support frame (524), one end of the fixing column (523) extends out of the second cavity (525), the diffuser (522) is fixedly connected with the end portion, extending out of the second cavity (525), of the fixing column (523), a 360-degree diffusion nozzle communicated with the second cavity (525) is further formed between the diffuser (522) and the second cavity (525), and the second powder blocking plate (521) is fixed on the diffuser (522).

4. A multifunctional powder paint spraying apparatus as claimed in claim 3, wherein the diffuser (522) is an arc-shaped cylinder with gradually increasing cross-sectional diameter, and the smaller end of the diffuser is connected to the fixing column (523) and the larger end is provided with the second powder baffle (521).

5. A multifunctional powder paint spraying apparatus as claimed in claim 3, wherein the supporting frame (524) and the fixing post (523) are slidably mounted.

6. The multifunctional powder paint sprayer as claimed in claim 1, wherein the direct spray type nozzle (53) comprises a cylindrical nozzle having a circular cross-section and a flat nozzle having an elliptical cross-section.

7. The multifunctional powder paint spraying device according to claim 1, further comprising a moving trolley platform (1) provided with the powder fluidization powder supply barrel (4), and casters are further arranged at the bottom of the moving trolley platform (1).

8. A multifunctional powder paint sprayer as claimed in claim 1, characterized in that said powder fluidizing and supplying tank (4) is provided with one or more than one, said powder fluidizing and supplying tank (4) is provided with a plurality of manual spray guns (6) connected to said powder pumps, and said paint spray heads are arranged at the ends of said manual spray guns (6).

9. The multifunctional powder coating spraying device according to claim 8, further comprising an electrostatic generator (3) and an air control assembly (2) arranged on the platform of the moving trolley, wherein the electrostatic generator (3) is connected with the manual spray gun (6), and the air control assembly (2) is connected with the manual spray gun (6).

Technical Field

The invention relates to a powder coating technology for a special-shaped pipe fitting, in particular to a multifunctional powder coating spraying device.

Background

With the development of economic technology, higher requirements are put on the corrosion prevention of the pipe fittings, the purpose of long-acting protection is achieved through surface corrosion prevention treatment in a severe environment, the coating needs to have strong adhesive force, and the coating technology also needs to achieve high quality requirements.

The inner coating of the pipeline is an economical and practical inner anti-corrosion method, and common ground pipelines such as oil and gas pipelines are straight pipes, so that the prior art mostly aims at the inner coating technology of the straight pipes, however, many gathering pipelines in oil and gas stations are irregular special-shaped pipe fittings, such as bent pipes, tee joints, S-shaped bent pipes, pump valve parts and other irregular-shaped pipe fittings, the spraying process of the irregular pipe fittings and straight pipes is different, a plurality of bending areas are arranged in the irregular pipe fittings, and a pipe orifice has a barrel-shaped area, so that even if the internal coating technology of the straight pipes is mature at present, however, the spraying technology of the special-shaped pipe fitting is still to use the most traditional powder spraying tool to carry out manual powder spraying basically, and the traditional powder spraying tool is used for spraying the special-shaped pipe fitting, so that a lot of inconvenient places exist, and the quality cannot be well guaranteed.

Meanwhile, most of the existing pipe fitting powder spraying devices are fixed on the ground, the electric control equipment, the feeding equipment and the spray gun are separated from each other, and the existing pipe fitting powder spraying devices are very inflexible and inconvenient to use if the existing pipe fitting powder spraying devices need to be moved and respectively carried. Chinese patent CN201810842765.8 discloses an electromechanical electrostatic powder spraying equipment, including agitator tank and spraying case, be connected through the conveying pipeline between spraying case and the agitator tank, the agitator tank passes through the support frame to be fixed on ground, sets up two powder shower nozzles in the spraying case, and two powder shower nozzles are fixed in the both sides of spraying case respectively, and the blowout shape of powder can't be adjusted, and is relatively poor to the spraying effect of pipe fitting, more can't realize the requirement of the inboard spraying of heterotypic pipe fitting.

Disclosure of Invention

The present invention is directed to overcoming the above-mentioned deficiencies of the prior art and providing a multi-functional powder coating material dispensing device.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a multi-functional powder coating spraying device, includes the moving platform, arranges the powder fluidization on the moving platform and supplies the powder bucket to and set up the coating shower nozzle on the powder fluidization supplies the powder bucket, the powder fluidization supplies the bottom of powder bucket to connect compressed air supply storehouse, and powder fluidization supplies powder bucket top to install the powder pump of switch-on its inside cavity and connect the coating shower nozzle, the coating shower nozzle includes side drift angle shower nozzle, diffusion formula shower nozzle and direct injection formula shower nozzle, and side drift angle shower nozzle, diffusion formula shower nozzle and direct injection formula shower nozzle set up different structures respectively, realize different spraying functions, and to each position of abnormal shape pipe fitting, use corresponding shower nozzle to carry out spraying operation, it is nimble convenient. Further, the side-spraying deflection angle nozzle comprises a first cavity, a first powder baffle plate and a deflection angle plate, wherein the first powder baffle plate is fixedly arranged in front of an opening at one end of the first cavity, a lateral powder spraying port is formed between the first powder baffle plate and the first cavity, the deflection angle plate is arc-surface-shaped, one end of the deflection angle plate is abutted against the first powder baffle plate and is positioned at the lateral powder spraying port, the other end of the deflection angle plate extends into the first cavity and is fixedly connected with the inner side wall of the first cavity, and the deflection angle plate guides powder coating to deflect in the process of passing through the first cavity and flow to the lateral powder spraying port and spray the powder coating through the self bending deflection angle, so that the deflection angle side-spraying of the powder coating is realized, and the side-spraying deflection angle nozzle is suitable for the powder spraying operation of a bending area inside a special-shaped.

Furthermore, the diffusion type spray head comprises a second cavity, a second powder baffle, a diffuser, a fixed column and a support frame, wherein the fixed column is arranged in the second cavity through the support frame, one end of the fixed column extends out of the second cavity, the diffuser is fixedly connected with the end part of the fixed column extending out of the second cavity, a 360-degree diffusion nozzle communicated with the second cavity is further formed between the diffuser and the second cavity, the second powder baffle is fixed on the diffuser, and the powder baffle and the diffuser act together to enable powder coating to diffuse along the circumference when sprayed out, so that powder forms a spraying range larger than the cross section of a nozzle opening, and the diffusion type spray head is suitable for powder spraying operation of a cylindrical area of an opening of a special-shaped pipe fitting.

Furthermore, the diffuser is an arc-shaped columnar body with the section diameter gradually increasing, one end with the smaller diameter is connected with the fixed column, the second powder baffle is arranged at one end with the larger diameter, the powder coating is diffused and buffered to a certain extent through the arc-shaped columnar body with the diameter gradually increasing, and the uniform distribution and speed of the powder coating during spraying are guaranteed.

Furthermore, the support frame and the fixed column are installed in a sliding mode, and the size of the powder spraying port can be adjusted according to needs, so that the powder spraying speed and the powder spraying amount can be adjusted.

Furthermore, the direct injection type spray head comprises a cylindrical spray head and a flat spray head, the cross section of the cylindrical spray head is circular, the cross section of the flat spray head is oval, and the shape of powder sprayed by the direct injection type spray head is the same as that of the cross section of the spray head, so that the direct injection type spray head is suitable for powder spraying operation of the outer area of the special-shaped pipe fitting.

Furthermore, the spraying device also comprises a moving trolley platform which is provided with the powder fluidization powder supply barrel, and the bottom of the moving trolley platform is also provided with trundles, so that a whole set of powder spraying device can move simultaneously, the position can be conveniently changed during use, and the spraying device is convenient and quick.

Furthermore, the powder fluidization powder supply barrel is provided with one or more than one powder fluidization powder supply barrel, the powder fluidization powder supply barrel is provided with a plurality of manual spray guns connected with the powder pump, and the coating spray heads are arranged at the tail ends of the manual spray guns and can be used by a plurality of workers at the same time to spray special-shaped pipe fittings, so that the spraying efficiency is improved.

Furthermore, the spraying device also comprises an electrostatic generator and a pneumatic control assembly which are arranged on the moving trolley platform, wherein the electrostatic generator is connected with the manual spray gun, and when some films are sprayed with thinner requirements, the electrostatic generator is used for electrifying the powder particles, so that the powder particles can be uniformly adsorbed on the surface of a workpiece. Meanwhile, the spraying device can be further provided with a tail air bag which is communicated with the powder fluidization supply barrel and used for providing stable air pressure and playing a certain air precipitation role. In addition, the pneumatic control assembly is also connected with the tail air bag and the manual spray gun respectively, and the pneumatic control assembly can accurately control the powder supply amount and the spraying atomization state, so that the spraying quality is better ensured. The pneumatic control assembly mainly comprises a plurality of groups of conventional electromagnetic valves, a digital display high-precision pressure reducing valve, a one-way valve and a powder supply and air supply loop, and is mainly used for coordinating and controlling the switches of a manual spray gun, an electrostatic generator, a compressed air supply bin and the like in the powder supply and air supply loop so as to realize the smooth coating spraying.

Compared with the prior art, the invention has the following advantages:

1) according to the invention, by arranging the plurality of spray heads with different functions, different spray heads can be selected according to the size structure and the spraying requirements of the special-shaped pipe fitting, for example, a side-spraying deflection angle spray head can be used in an inner bending area of the special-shaped pipe fitting, a diffusion type spray head can be used in a pipe orifice barrel-shaped area, and a direct-spraying type spray head can be used in an outer area, so that high-quality spraying of the special-shaped pipe fitting is realized;

2) the spray head can be quickly replaced and disassembled at the head of the manual spray gun, the spray head can be replaced at any time as required in the actual spraying work, the operation is flexible, simple and convenient, the spraying efficiency is improved, and the spraying quality is improved;

3) according to the invention, the pneumatic control assembly, the electrostatic generator and the powder fluidization supply barrel are all assembled on the walking trolley platform, and the casters are arranged at the bottom of the walking trolley platform, so that the device can conveniently and simply move, and the flexibility and the adaptability of powder spraying are improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of a side-spray angled nozzle;

FIG. 3 is a schematic view of the internal structure of a side-spray deflection angle spray head;

FIG. 4 is a schematic diagram of side-spray angled nozzle powder ejection;

FIG. 5 is a side view of a side-biased angle spray head;

FIG. 6 is a schematic diagram of powder ejection and structure of a diffusion nozzle;

fig. 7 is a schematic diagram of powder ejection from a direct-injection nozzle.

Wherein: 1. the device comprises a moving trolley platform, 2, a pneumatic control assembly, 3, an electrostatic generator, 4, a powder fluidization powder supply barrel, 5, a spray head, 6, a manual spray gun, 51, a side spray deflection angle spray head, 511, a first powder baffle plate, 512, a deflection angle plate, 513, a first cavity, 52, a diffusion type spray head, 521, a second powder baffle plate, 522, a diffuser, 523, a fixed column, 524, a support frame, 525, a second cavity, 53 and a direct injection type spray head.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments.