Liquid absorption defoaming jet device

Abstract

The utility model provides a liquid suction defoaming jet device which comprises a main body, a liquid inlet, a liquid suction port and a liquid outlet are arranged on the main body, a liquid storage chamber is arranged at the liquid outlet of the main body, the liquid outlet extends into the liquid storage chamber, an overflow port is arranged on the main body, and liquid and air in the liquid storage chamber are discharged from the overflow port. The utility model has the beneficial effects that the liquid storage chamber with a defoaming function is arranged at the position of the liquid outlet, so that the traditional structure is changed, the liquid flowing into the liquid tank is free of bubbles or less in bubbles, the efficiency is improved, a defoaming box is not needed, and the cost and the occupied space are reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of fluidic device, and specifically relates to a liquid suction defoaming fluidic device. BACKGROUND

[0002] At present, the etching machine needs to suck the etching liquid on the product surface in the production process to improve the etching precision of the product. However, in the liquid suction process of the existing Venturi fluidic device, the liquid discharge pipe must be inserted into the liquid in the tank to completely form a vacuum cavity, so that the suction force of the Venturi liquid suction device is maximized. Since the suction in the pipeline is not complete liquid, but air mixed therein, the liquid discharge pipe is discharged into the liquid in the tank, the liquid pump is easy to suck air when pumping liquid, which causes unstable liquid pressure of the liquid pump, the liquid on the product surface cannot be sucked, etc. If the problem needs to be solved, a defoaming tank and a liquid pump need to be added, which affects the production cost of the equipment and increases the equipment floor area. SUMMARY

[0003] The technical problem to be solved by the utility model is how to reduce the air in the liquid tank to make the liquid pressure of the liquid pump more stable.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A liquid suction defoaming fluidic device, comprising a main body, the main body is provided with a liquid inlet, a liquid suction port and a liquid outlet, a liquid storage chamber is arranged at the liquid outlet of the main body, the liquid outlet extends into the liquid storage chamber, the main body is provided with an overflow port, and the liquid and air in the liquid storage chamber are discharged through the overflow port.

[0006] Preferably, the main body comprises a hollow main pipe, a water inlet pipe is connected to one end of the main pipe, a water outlet pipe is connected to the other end of the main pipe, the water inlet pipe has a water inlet channel, the water outlet pipe has a water outlet channel, the water inlet channel is arranged opposite to the water outlet channel, a liquid suction pipe is connected to the side surface of the main pipe, the liquid suction pipe has a liquid suction channel, there is a gap between the tail end of the water inlet channel and the head end of the water outlet channel, the liquid suction channel communicates with the gap, a liquid storage cylinder is fixedly connected to the main pipe or the water outlet pipe, and the overflow port is arranged on the side wall of the liquid storage cylinder.

[0007] Preferably, a part of the water inlet pipe is inserted into the main pipe and is sealed and matched by glue; and a part of the water outlet pipe is inserted into the other end of the main pipe and is sealed and matched by glue.

[0008] Preferably, the liquid storage cylinder is open at the upper end, and the upper end of the liquid storage cylinder is fixedly sleeved on the water outlet pipe.

[0009] Preferably, the end portion of the water inlet pipe inserted into the main pipe is in a tapered structure.

[0010] Preferably, the head end of the water outlet channel of the water outlet pipe is provided with a tapered port.

[0011] Preferably, the overflow is a plurality of through holes arranged on the inner wall of the liquid storage cylinder.

[0012] The utility model discloses the beneficial effect is: the utility model discloses the liquid chamber with defoaming function is set up in the liquid outlet position, changes the traditional structure, makes the liquid that inflows liquid tank little or no bubble, improves the efficiency, also need not set up defoaming tank again, reduces cost and land space. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the whole structure schematic diagram of the utility model;

[0014] Figure 2 It is the sectional view of the utility model. DETAILED DESCRIPTION

[0015] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0016] EMBODIMENT

[0017] Please refer to Figure 1 and Figure 2 , the drawing shows a liquid suction defoaming injector, including main body, the main body in the embodiment includes hollow main pipe 1, the one end of main pipe 1 is connected with inlet pipe 2, the other end of main pipe 1 is connected with outlet pipe 3, inlet pipe 2 has inlet channel 21, outlet pipe 3 has outlet channel 31, and inlet channel 21 is opposite outlet channel 31, and the side of main pipe 1 is connected with liquid suction pipe 4, liquid suction pipe 4 has liquid suction channel 41, and the gap between the port part of the tail of inlet channel 21 and the port part of the head of outlet channel 31, liquid suction channel 41 communicates with the gap, the utility model discloses that the liquid storage cylinder 5 is fixedly connected on outlet pipe 3, it is worth noting that the liquid storage cylinder 5 is arranged at the liquid outlet of main body, the liquid storage cylinder 5 is equipped with liquid storage chamber 51, and the overflow 52 is arranged on the lateral wall of liquid storage cylinder 5, and the liquid and air in liquid storage chamber 51 are discharged by the overflow 52, and air and liquid are automatically separated by gravity when discharging, so as to play the role of defoaming.

[0018] The water inlet pipe 2 is partially inserted into the main pipe 1 and is sealed by adhesive bonding; the water outlet pipe 3 is partially inserted into the other end of the main pipe 1 and is sealed by adhesive bonding. The sealing can also be achieved by welding and sealing ring, which are common means in the industry and should be within the protection scope of the present application, and thus are not listed here.

[0019] The upper end of the liquid storage cylinder 5 is open, and the upper end of the liquid storage cylinder 5 is fixedly sleeved on the water outlet pipe 3. In the present embodiment, the inner wall of the liquid storage cylinder 5 is also coated with sealing glue, which is fixed by sealing and bonding with the water outlet pipe 3.

[0020] In the present embodiment, the end of the water inlet pipe 2 inserted into the main pipe 1 is designed in a conical structure, which can facilitate the liquid in the liquid suction pipe 4 to enter the water outlet pipe 3 and play a guiding role.

[0021] In the present embodiment, the water outlet passage 31 of the water outlet pipe 3 is provided with a conical port 32 at the first end, which can not only guide the liquid in the liquid suction pipe 4 to enter the water outlet pipe 3, but also make the water in the water inlet pipe 2 enter the water outlet pipe 3, so as to avoid the water in the water inlet pipe 2 flowing out of the water outlet passage 31 of the water outlet pipe 3, and play a role of pressure boosting.

[0022] In the present embodiment, the overflow port is designed as a plurality of through holes arranged on the inner wall of the liquid storage cylinder 5. The through holes are arranged at the same height and are arranged in an annular array on the inner wall of the liquid storage cylinder 5.

Claims

1. A liquid suction defoaming jet device comprising a main body, the main body being provided with a liquid inlet, a liquid suction port and a liquid outlet, characterized in that: The liquid outlet of the main body is provided with a liquid storage chamber, the liquid outlet extends into the liquid storage chamber, the main body is provided with an overflow outlet, and the liquid and air in the liquid storage chamber are discharged through the overflow outlet.

2. The liquid absorbing defoaming jet according to claim 1, wherein: The main body comprises a hollow main pipe, a water inlet pipe connected to one end of the main pipe, a water outlet pipe connected to the other end of the main pipe, a water inlet channel in the water inlet pipe, a water outlet channel in the water outlet pipe, the water inlet channel being arranged opposite to the water outlet channel, a liquid suction pipe connected to the side of the main pipe, a liquid suction channel in the liquid suction pipe, a gap between the tail end of the water inlet channel and the head end of the water outlet channel, the liquid suction channel being communicated with the gap, a liquid storage cylinder fixedly connected to the main pipe or the water outlet pipe, and an overflow port arranged on the side wall of the liquid storage cylinder.

3. The liquid absorbing, defoaming fluidic device of claim 2, wherein: A part of the water inlet pipe is inserted into the main pipe and is sealed and matched by adhesive; a part of the water outlet pipe is inserted into the other end of the main pipe and is sealed and matched by adhesive.

4. The liquid absorbing, defoaming fluidic device of claim 2, wherein: The upper end of the liquid storage cylinder is open, and the upper end of the liquid storage cylinder is fixedly sleeved on the water outlet pipe.

5. The liquid absorbing, defoaming fluidic device of claim 2 wherein: The end of the water inlet pipe inserted into the main pipe is in a tapered structure.

6. The liquid absorbing defoaming jet according to claim 2, wherein: The head end of the water outlet channel of the water outlet pipe is provided with a tapered port.

7. The liquid absorbing, defoaming fluidic device of claim 2, wherein: The overflow port is a plurality of through holes arranged on the inner wall of the liquid storage cylinder.

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