Supporting apparatus for electrostatic gun

An electrostatic gun supporting apparatus, comprising:

• a bracket comprising a bottom plate and two supporting plates perpendicularly extending up from two opposite sides of the bottom plate;
• and
• a positioning assembly comprising a positioning plate for mounted an electrostatic gun, and two pins protruding out from two opposite sides of the positioning plate;
• wherein the supporting plates defines two opposite guiding portions, each guiding portion comprises a plurality of guiding slots, the plurality of guiding slots of each guiding portion are parallel to and spaced from one another, the plurality of guiding slots of each guiding portion are arrayed along a direction perpendicular to the bottom plate, the plurality of guiding slots of each guiding portion are communicated with one another, the pins of the positioning assembly can be slidably received in two corresponding ones of the guiding slots respectively form the two opposite guiding portions.