Finger-shaped cantilever piezoelectric nozzle and its processing method and spraying equipment
A cantilever type and cantilever beam technology, which is applied in the field of piezoelectric ceramics, can solve the problems of deformation of the ink chamber, easy wear and short life of parts such as the ink chamber, and achieve high output force, increased output force, and large deformation.
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Embodiment 2
[0060] like Figure 9 as shown ( Figure 9 220 is the flexible diaphragm of this embodiment, 250 is the finger-shaped cantilever type piezoelectric ceramic of this embodiment), and the ink tank 210 is a tank body with openings at both ends, wherein:
[0061] One end of the ink tank 210 is used as the ink inlet 230;
[0062] The end surface of the other end of the ink tank 210 is provided with a sealing member 260 , and the bottom of the other end of the ink tank is provided with an ink outlet 270 .
[0063] The finger-shaped cantilever type piezoelectric nozzle of this embodiment is side spraying, and in this embodiment, the ink tank is a tank body with openings at both ends, which can be processed conveniently, and the nozzle is arranged on the nozzle plate. If the nozzle breaks down, Only the nozzle plate needs to be replaced, which is convenient for maintenance.
Embodiment 3
[0065] like Figure 10 as shown ( Figure 10 320 is the flexible diaphragm of this embodiment, 350 is the finger-shaped cantilever type piezoelectric ceramic of this embodiment), and the ink tank 310 is a tank body with openings at both ends, wherein:
[0066] One end of the ink tank 310 is used as the ink inlet 330;
[0067] The nozzles 340 are provided on a nozzle plate 380 that is glued to the end surface of the other end of the ink tank 310 .
[0068] The finger-shaped cantilever piezoelectric nozzle of this embodiment is end-face spraying, and in this embodiment, the ink tank is a tank body with openings at both ends, which can be processed conveniently, and the nozzle is arranged on the nozzle plate. If the nozzle breaks down, Only the nozzle plate needs to be replaced, which is convenient for maintenance.
Embodiment 4
[0070] like Figure 11 as shown ( Figure 11 Among them, 420 is the flexible diaphragm of this embodiment, 450 is the finger-shaped cantilever piezoelectric ceramic of this embodiment), and the ink tank 410 is a tank body with one end closed and one end open, wherein:
[0071] One end of the opening of the ink tank 410 is used as the ink inlet 430;
[0072] A small hole is opened on the end surface or the bottom surface of the closed end of the ink tank 410 as the nozzle 440 .
[0073] The finger-shaped cantilever piezoelectric nozzle in this embodiment is end-face spraying, and in this embodiment, the nozzle is directly arranged on the end face of the closed end of the ink tank, which makes the structure simpler and the processing more convenient.
[0074] There are many ways to process the ink tank and finger-shaped cantilever piezoelectric ceramics in the above-mentioned embodiments, and an embodiment is given here:
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