CN218013472U

CN218013472U - Stable control flow spraying device

Info

Publication number: CN218013472U
Application number: CN202221818912.6U
Authority: CN
Inventors: 陶奎任; 梅芳; 王大鹏; 周鹏华
Original assignee: Henan Chenya Commercial Operation Management Co ltd
Current assignee: Henan Chenya Commercial Operation Management Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-12-13
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses a stable control flow spraying device, which comprises a liquid storage barrel, a liquid suction pump and a spray head, and further comprises a high-level liquid medicine tank arranged above the liquid storage barrel, wherein the liquid outlet of the liquid storage barrel is connected with the inlet of the liquid suction pump, the outlet of the liquid suction pump is connected with the inlet of the high-level liquid medicine tank, the liquid outlet of the high-level liquid medicine tank is communicated with the inlet of a pressure-stabilizing shunt, the first liquid outlet of the pressure-stabilizing shunt is connected with the spray head through a first control valve, a second liquid outlet of the pressure-stabilizing shunt is provided with a second control valve, and the second control valve is respectively communicated with the liquid storage barrel through a shunt pipe and is upwards communicated with the high-level liquid medicine barrel through a vent pipe; the second liquid outlet is arranged at the top of the voltage-stabilizing splitter, and the spray head is arranged at a position lower than the high-level liquid medicine tank to stably control the flow spraying device. This device adopts the mode that gravity pressurization supplied liquid, and liquid feed pressure is more stable, can avoid the bubble to get into the spraying pipeline, effectively prevents that the bubble from causing the interference to the detection of flowmeter.

Description

Stable control flow spraying device

Technical Field

The utility model belongs to the spraying field, concretely relates to stable control flow spraying device.

Background

In the fields of home decoration, electronics and photovoltaic cells, paint is often sprayed by a spraying device, the spraying precision of different products is different, and the spraying requirements of devices such as protective paint sprayed on circuit boards in the fields of electronics and photovoltaic and thin-film batteries in the fields of photovoltaic are higher in uniformity. In the current common spray painting machines in the market, a pneumatic diaphragm pump is generally selected as power, and the diaphragm pumps with large power are determined according to the number of intelligent spray guns required. Because the diaphragm pump works at intervals, certain pulse is generated during oil pumping, and a large-flow pressure stabilizing valve is matched to stabilize oil pressure. Some spraying devices adopt a gear pump and an injection pump, but all have the problem of unstable oil supply, so that the spraying is not uniform, and the appearance and the performance of a product are influenced. In addition, the existing spraying device adopts the pumps to generate bubbles in the using process, the bubbles can interfere the flow meter, the flow meter display is inaccurate, the flow display judgment is wrong, the display flow is not a true value and needs manual intervention adjustment, and the small bubbles can reduce the spraying uniformity and seriously affect the appearance and performance of the product.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model aims to provide a stable control flow spraying device, this device adopts the mode that gravity pressurization supplied liquid, and supply liquid pressure is more stable, can avoid the bubble to get into the spraying pipeline, effectively prevents that the bubble from causing the interference to the measuring of flowmeter.

In order to realize the purpose, the utility model discloses a technical scheme be:

a stable control flow spraying device comprises a liquid storage barrel, a liquid pumping pump, a spray head and a high-level liquid medicine tank arranged above the liquid storage barrel, wherein a liquid outlet of the liquid storage barrel is connected with an inlet of the liquid pumping pump, an outlet of the liquid pumping pump is connected with a liquid inlet of the high-level liquid medicine tank, a liquid outlet of the high-level liquid medicine tank is communicated with a liquid inlet of a pressure-stabilizing flow divider, a first liquid outlet of the pressure-stabilizing flow divider is connected with the spray head through a first control valve, a second liquid outlet of the pressure-stabilizing flow divider is provided with a second control valve, and the second control valve is respectively communicated with the liquid storage barrel through a flow dividing pipe and is upwards communicated with the high-level liquid medicine tank through an exhaust pipe; the second liquid outlet is arranged at the top of the pressure stabilizing splitter, and the spray head is arranged at a height lower than the high-level liquid medicine tank.

Preferably, an overflow port above the high-level liquid medicine tank is communicated with the liquid storage barrel through a return pipe.

Preferably, an air outlet at the upper end of the air exhaust pipe penetrates through and extends into the high-level liquid medicine tank.

Preferably, the overflow port is arranged on the side surface above the high-level liquid medicine box, and the exhaust port is arranged at a height greater than the overflow port.

Preferably, the second liquid outlet is arranged at the bottom of the pressure stabilizing splitter.

Preferably, the liquid inlet of the voltage-stabilizing shunt is arranged above the voltage-stabilizing shunt, and the second liquid outlet is provided with a liquid inlet with a height larger than that of the voltage-stabilizing shunt.

Preferably, an inclined plane is arranged between the liquid inlet of the pressure stabilizing flow divider and the second liquid outlet.

Preferably, the first control valve and the second control valve are flow valves with flow detection.

Stable control flow spraying device the utility model discloses the beneficial effect who has does:

1. the utility model discloses liquid in the stock solution bucket upwards goes into high-order liquid medicine case through the drawing liquid pump in, utilizes the difference in height between high-order liquid medicine case and the shower nozzle, makes liquid in the high-order liquid medicine case through the leading-in shower nozzle of steady voltage shunt under the action of gravity, utilizes the pressurized mode of gravity to stably supply the liquid for the shower nozzle to the direct pressure boost of liquid feed pump causes the unstable problem of spraying pressure among the prior art has been avoided.

2. The leading-in liquid of drawing liquid pump constantly gets into high-order liquid medicine case, and the liquid that spills over can be through overflow mouth, back flow reintroduction stock solution bucket to guarantee that liquid level is stable in the high-order liquid medicine case, rely on liquid self gravity to supply liquid for the shower nozzle, improve and supply liquid stability.

3. Bubble in the liquid can upwards lead to high-order liquid medicine case through the blast pipe, because the gas vent of blast pipe is greater than the overflow mouth, and the liquid level that high-order liquid medicine case was located to the gas vent promptly is supreme, can make the gas in the blast pipe effectively upwards discharge, reduces bubble content in the liquid, improves the spraying quality.

4. The bubble in the liquid all upwards floats, establishes the below at steady voltage shunt with the first liquid outlet that connects the shower nozzle, can effectively avoid the bubble to get into in the shower nozzle, and then improves the spraying quality.

5. Because the bubble in the liquid can upwards float, the little bubble in the liquid can upwards collect the second liquid outlet along the inclined plane in the inside cavity of steady voltage shunt, and liquid passes through in the liquid storage bucket of branch liquid pipe leading-in again, and gas in the liquid passes through the liquid level of the leading-in high-order liquid medicine box of blast pipe supreme, can make and hardly get into the bubble in the spraying pipeline, can also effectively avoid the bubble to the interference of flowmeter measurement when guaranteeing pressure stability.

Drawings

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

FIG. 2 is a schematic structural view of the voltage-stabilizing shunt according to the present invention;

fig. 3 is an installation schematic diagram of the exhaust pipe inside the high-level liquid medicine tank of the present invention.

Reference numerals: 1. a liquid storage barrel; 2. a liquid pump; 3. a high-level medicine water tank; 30. an overflow port; 41. a return pipe; 42. a shunt tube; 43. a spray pipe; 44. an exhaust pipe; 5. a voltage stabilizing shunt; 50. a bevel; 51. a first liquid outlet; 52. a second liquid outlet; 61. a first control valve; 62. a second control valve.

Detailed Description

As shown in fig. 1-3, the utility model provides a stable control flow spraying device, including stock solution bucket 1, drawing liquid pump 2, shower nozzle 7 and high-order liquid medicine case 3, high-order liquid medicine case 3 set up highly to be greater than stock solution bucket 1. The import of drawing liquid pump 2 is connected to the liquid outlet of stock solution bucket 1, the inlet of the high-order liquid medicine case 3 of exit linkage of drawing liquid pump 2, liquid in the stock solution bucket 1 upwards goes into high-order liquid medicine case 3 through drawing liquid pump 2, utilize the difference in height between high-order liquid medicine case 3 and the shower nozzle 7, make the liquid in high-order liquid medicine case 3 through the leading-in shower nozzle 7 of steady voltage shunt 5 under the action of gravity, utilize the pressurized mode of gravity to stably supply liquid for shower nozzle 7, thereby avoided leading to the unstable problem of spraying pressure by the direct pressure boost of feed pump among the prior art.

The overflow mouth 30 of high-order liquid medicine case 3 top side passes through back flow 41 intercommunication stock solution bucket 1, and the leading-in liquid of drawing liquid pump 2 constantly gets into high-order liquid medicine case 3, and the liquid that spills over can be through overflow mouth 30, back flow 41 among the leading-in stock solution bucket 1 again to guarantee that the liquid level is stable in high-order liquid medicine case 3, rely on liquid self gravity to supply liquid for shower nozzle 7, improve and supply liquid stability.

The liquid outlet of high-order liquid medicine case 3 bottom communicates the inlet of 5 top one sides of steady voltage shunt, the opposite side at 5 tops of steady voltage shunt is established to the second liquid outlet 52 of steady voltage shunt 5, second liquid outlet 52 department is equipped with second control valve 62, second control valve 62 communicates liquid storage bucket 1 through shunt tubes 42 respectively, upwards communicate high-order liquid medicine case 3 through blast pipe 44, and the gas vent of blast pipe 44 upper end runs through and stretches into in high-order liquid medicine case 3, the setting height of gas vent is greater than overflow mouth 30. The liquid that second liquid outlet 52 was discharged passes through second control valve 62, shunt tubes 42 and discharges into stock solution bucket 1, and the bubble in the liquid can upwards lead to high-order liquid medicine case 3 through blast pipe 44 in, because the gas vent of blast pipe 44 is greater than overflow mouth 30, the gas vent is located the liquid level of high-order liquid medicine case 3 supreme promptly, can make the gas in the blast pipe 44 effectively upwards discharge, reduces bubble content in the liquid, improves the spraying quality.

The second outlet port 52 is provided at a height greater than the inlet port of the steady flow divider 5. Wherein, be equipped with the inclined plane 50 of tilt up between the inlet of steady voltage shunt 5 and the second liquid outlet 52, because the bubble in the liquid can upwards float, the interior small bubble of liquid can upwards collect second liquid outlet 52 along inclined plane 50 in the 5 internal chamber of steady voltage shunt, liquid passes through in the liquid storage bucket 1 of branch liquid pipe 42 re-introduction, gas in the liquid passes through the liquid level of the leading-in high-order liquid medicine case 3 of blast pipe 44 supreme, can make and hardly get into the bubble in the spraying pipeline, can also effectively avoid the bubble to flowmeter measuring interference when guaranteeing pressure stability.

The first liquid outlet 51 of the pressure-stabilizing flow divider 5 is arranged at the bottom thereof, and the first liquid outlet 51 is provided with a first control valve 61 and is connected with a spray head 7 arranged at a certain height below the high-level liquid medicine tank 3 through a spraying pipe 43. Wherein, the height difference between the high-position liquid medicine tank 3 and the spray head 7 is generally set to be 1-3 m, and the preferred height difference is 1.2-2 m. The bubbles in the liquid all float upwards, and the first liquid outlet 51 connected with the spray head 7 is arranged below the pressure-stabilizing flow divider 5, so that the bubbles can be effectively prevented from entering the spray head 7, and the spraying quality is improved.

In this embodiment, the first control valve 61 and the second control valve 62 are flow valves with flow detection, which can control the spraying amount of the nozzle 7 and effectively detect the spraying flow.

When the utility model is used, the liquid in the liquid storage barrel 1 is lifted to the high-level liquid medicine tank 3 by the liquid pump 2, the liquid in the high-level liquid medicine tank 3 is guided downwards into the pressure-stabilizing shunt 5 by utilizing the height difference, the liquid supply flow of the spray head 7 is controlled by adjusting the opening and closing degrees of the first control valve 61 and the second control valve 62, namely, the opening of the first control valve 61 is controlled to be increased, the opening of the second control valve 62 is reduced, the liquid flowing back to the liquid storage barrel 1 by the pressure-stabilizing shunt 5 is reduced, and the flow of the spray head 7 is increased; the opening of the first control valve 61 is reduced, the opening of the second control valve 62 is increased, the return flow of the pressure stabilizing shunt 5 is increased, the flow of the spray head 7 is reduced, the effective control of the spraying amount of the spray head 7 is further realized, the liquid supply pressure is more stable, the spraying uniformity is enhanced, and the appearance and the performance of the product are obviously enhanced.

Claims

1. The utility model provides a stable control flow spraying device, includes stock solution bucket, drawing liquid pump and shower nozzle, its characterized in that: the high-level liquid medicine tank is arranged above the liquid storage barrel, a liquid outlet of the liquid storage barrel is connected with an inlet of a liquid suction pump, an outlet of the liquid suction pump is connected with a liquid inlet of the high-level liquid medicine tank, a liquid outlet of the high-level liquid medicine tank is communicated with a liquid inlet of a pressure-stabilizing shunt, a first liquid outlet of the pressure-stabilizing shunt is connected with the spray head through a first control valve, a second control valve is arranged at a second liquid outlet of the pressure-stabilizing shunt, and the second control valve is respectively communicated with the liquid storage barrel through a shunt pipe and is upwards communicated with the high-level liquid medicine barrel through an exhaust pipe; the second liquid outlet is arranged at the top of the pressure stabilizing splitter, and the spray head is arranged at a height lower than the high-level liquid medicine tank.

2. The regulated flow spray apparatus of claim 1, wherein: an overflow port above the high-level liquid medicine tank is communicated with the liquid storage barrel through a return pipe.

3. The regulated flow spray apparatus of claim 2, wherein: an air outlet at the upper end of the air exhaust pipe penetrates through and extends into the high-level liquid medicine box.

4. The regulated flow spray apparatus of claim 3, wherein: the overflow mouth is established in high-order liquid medicine case top side, the setting height of gas vent is greater than the overflow mouth.

5. The regulated flow spray apparatus of claim 1, wherein: and the second liquid outlet is formed at the bottom of the voltage-stabilizing splitter.

6. The regulated flow spray apparatus of claim 1, wherein: the liquid inlet of steady voltage shunt is established in the top of steady voltage shunt, the second liquid outlet sets up the inlet that highly is greater than steady voltage shunt.

7. The regulated flow spray apparatus of claim 4, wherein: an inclined plane is arranged between the liquid inlet of the pressure stabilizing splitter and the second liquid outlet.

8. The regulated flow spray apparatus of claim 1, wherein: and the first control valve and the second control valve are flow valves with flow detection functions.