Spray gun flow control device
A flow control device and spray gun technology, which is applied to spray devices, devices for coating liquid on surfaces, coatings, etc., can solve the problems that the spray gun does not have a flow control device, affects production quality and efficiency, and cannot phosphor powder, etc. Easy maintenance, extended service life, and incompatible effects
Inactive Publication Date: 2011-07-06
NANJING HUAXIAN HIGH TECH CO LTD
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Problems solved by technology
[0005] The purpose of the present invention is to solve the problem that the existing spray gun does not have a flow control device in the phosphor powder spraying process of the shadow mask type plasma display, and cannot adjust the phosphor powder flow rate, which affects the production quality and efficiency. Easy to operate, high stability, spray gun flow control device that can adjust the phosphor flow
Method used
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Embodiment Construction
[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0022] Such as figure 1 As shown, a spray gun flow control device includes a rolling bearing 1, a bearing sleeve 2, a fastener 3, a scale 4, a stretch bar 5 with an internal thread, a flow adjustment bolt 6 and a positioning member 7, and the bearing sleeve 2 is installed on On the rear handle of the spray gun, the scale 4 is installed on the bearing sleeve 2, the rolling bearing 1 is installed inside the bearing sleeve 2 through the fastener 3, and the flow adjustment bolt 6 passes through the rolling bearing 1 and the threaded end of the stretch bar 5 with internal thread Connection, the other end of the stretch bar 5 with internal thread is connected with the flow regulating rod 8 of the spray gun, and the positioning part 7 is installed on the stretch bar 5 with internal thread, between the scale 4 and the stretch bar 5 with internal thread .
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The invention relates to a flow control device for a spray gun, which comprises a rolling bearing (1), a bearing holder (2), a fastening piece (3), a staff gauge (4), a stretching strip (5) with internal threads, a flow regulating bolt (6) and a locating piece (7), wherein the bearing holder (2) is arranged on a rear handle of the spray gun, the staff gauge (4) is arranged on the bearing holder (2), the rolling bearing (1) is arranged inside the bearing holder (2) through the fastening piece (3), the flow regulating bolt (6) is connected to the screw thread end of the stretching strip (5) with internal threads after passing through the rolling bearing (1), the other end of the stretching strip (5) with internal threads is connected with a flow regulating rod (8) of the spray gun, and the locating piece (7) is arranged on the stretching strip (5) with internal threads and is positioned between the staff gauge (4) and the stretching strip (5) with internal threads. The invention has theadvantages of simple structure, simple and convenient operation and high stability, and can effectively regulate the flow rate of fluorescent powder.
Description
technical field [0001] The invention relates to a spray gun device, in particular to a spray gun device with a flow control function when phosphor slurry is sprayed, in particular to a spray gun flow control device. Background technique [0002] There is a very important process in the production process of the shadow mask plasma display, which is the spraying of phosphor powder. After the slurry prepared by the phosphor powder is sprayed out from the spray gun, the uniformity and thickness of the phosphor powder on the mask / shadow mask determine the quality of the display screen. However, whether the phosphor powder can be sprayed uniformly on the shadow mask is mainly determined by the spray gun used to spray the phosphor powder. The flow rate of the spray guns currently used in the market is mainly controlled by human experience. That is to say, there is no relatively stable implementation standard for the flow control of the spray gun so far. According to the actual s...
Claims
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IPC IPC(8): B05B12/00B05C11/10
Inventor 宋永明朱立锋王保平张雄陈刚
Owner NANJING HUAXIAN HIGH TECH CO LTD