The utility model discloses an experimental spray gun, which includes a gun shaped shell and a powder gas mixing device, and a gun shaped shell and a powder gas mixing device are connected by a hollow connecting part in the tail of a gun shaped shell. The powder gas mixing device includes a body and a venturi, the body is a hollow structure, the upper part of the body is equipped with a powder flow channel and the right body is right. The end is equipped with compressed air airways, the left end diameter of the compressed air inlet is less than the right end diameter, the lower part of the body is atomized by the air inlet; the venturi tube sleeve is set with the interior of the body; the venturi tube includes the outgassing section and the intake section, the left end of the outgassing section and the hollow connector, and the flange and blindness at the right end of the outgassing section and the left end of the inlet section. The hole is located in the outgassing section and the blind hole is located in the intake section; the atomized air passage is connected to the blind hole at the bottom of the venturi tube; the top of the powder channel is connected with the powder outlet of the lower part of the powder cup; the mixed powder gas produced by the experimental spray gun is uniform and meticulous, and the quality of the coating is improved.
【技术实现步骤摘要】
一种实验喷枪
本技术涉及涂料
,具体涉及一种实验喷枪。
技术介绍
传统的实验喷枪通过粉气混合粉泵将粉末涂料与压缩空气混合后送入喷枪,喷枪工作过程中粉末涂料仅靠压缩空气压力充气式工作,因此出粉不均匀,影响涂层质量。
技术实现思路
有鉴于此,本申请提供了一种实验喷枪,所述实验喷枪调节粉气比例方便,喷出的混合粉气均匀且细致绵密,提高了涂层质量。为解决以上技术问题,本技术提供的技术方案是一种实验喷枪,包括:枪形壳体和粉气混合装置;所述枪形壳体与所述粉气混合装置左端通过设于所述枪形壳体尾部的中空连接件连接;所述粉气混合装置包括:本体、文氏管;所述本体为中空结构,所述本体上部设有粉末流道,所述本体右端设有压缩空气气道,所述压缩空气气道左端直径小于右端直径,所述本体下部雾化空气气道;所述文氏管套设与所述本体内部;所述文氏管包括:出气段和进气段,所述出气段左端套设与所述中空连接件内;所述出气段右端与所述进气段左端的交界处设有凸缘和盲孔,所述凸缘设于所述出气段,所述盲孔设于所述进气段;所述进气段右端、所述粉末流道底端、所述压缩空气气道外壁形成空腔;所述雾化空气气道连通与设于所述文氏管底部的所述盲孔连通;所述粉末流道顶端与粉杯下部出粉口连接。优选的,所述枪形壳体与所述粉气混合装置左端通过设于所述枪形壳体尾部的中空连接件螺纹连接。优选的,所述粉气混合装置左端设有内螺纹,所述中空连接件设有与所述内螺纹配合的外螺纹。优选的,所述本体呈中空管状结构。优选的,所述压缩空气气道通过压缩空气连接头与压缩空气管道连接。优选的,所述雾化空气气道通过雾化空气连接头与雾化空气管道连接。优选的,所述枪 ...
【技术保护点】
1.一种实验喷枪,其特征在于,包括:枪形壳体和粉气混合装置;所述枪形壳体与所述粉气混合装置左端通过设于所述枪形壳体尾部的中空连接件连接;所述粉气混合装置包括:本体、文氏管;所述本体为中空结构,所述本体上部设有粉末流道,所述本体右端设有压缩空气气道,所述压缩空气气道左端直径小于右端直径,所述本体下部雾化空气气道;所述文氏管套设与所述本体内部;所述文氏管包括:出气段和进气段,所述出气段左端套设与所述中空连接件内;所述出气段右端与所述进气段左端的交界处设有凸缘和盲孔,所述凸缘设于所述出气段,盲孔设于所述进气段;所述进气段右端、所述粉末流道底端、所述压缩空气气道外壁形成空腔;所述雾化空气气道连通与设于所述文氏管底部的所述盲孔连通;所述粉末流道顶端与粉杯下部出粉口连接。
【技术特征摘要】
1.一种实验喷枪,其特征在于,包括:枪形壳体和粉气混合装置;所述枪形壳体与所述粉气混合装置左端通过设于所述枪形壳体尾部的中空连接件连接;所述粉气混合装置包括:本体、文氏管;所述本体为中空结构,所述本体上部设有粉末流道,所述本体右端设有压缩空气气道,所述压缩空气气道左端直径小于右端直径,所述本体下部雾化空气气道;所述文氏管套设与所述本体内部;所述文氏管包括:出气段和进气段,所述出气段左端套设与所述中空连接件内;所述出气段右端与所述进气段左端的交界处设有凸缘和盲孔,所述凸缘设于所述出气段,盲孔设于所述进气段;所述进气段右端、所述粉末流道底端、所述压缩空气气道外壁形成空腔;所述雾化空气气道连通与设于所述文氏管底部的所述盲孔连通;所述粉末流道顶端与粉杯下部出粉口连接。2.根据权利要求1所述的实验喷枪,其特征在于,所述枪形壳体与所述粉气混合装置左端通过设于所述枪形壳体尾部的中空连接件螺纹连接。3.根...
【专利技术属性】
技术研发人员:王雯琪,李论,张光红,
申请(专利权)人:成都信达高分子材料有限公司,
类型:新型
国别省市:四川,51
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