CN217725909U

CN217725909U - Coating energy storage device for continuous spraying equipment

Info

Publication number: CN217725909U
Application number: CN202221078304.6U
Authority: CN
Inventors: 于瑞祥; 张瑶
Original assignee: Wuxi Zhongyou Ready Pipe Anti Corrosion & Technology Co ltd
Current assignee: Wuxi Zhongyou Ready Pipe Anti Corrosion & Technology Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-11-04
Anticipated expiration: 2032-05-07

Abstract

The utility model discloses a coating energy storage device for continuous spraying equipment, which belongs to the technical field of spraying equipment and comprises a liquid storage chamber for containing coating, wherein a liquid inlet of the liquid storage chamber is connected with an outlet of a delivery pump through a pipeline, and a liquid outlet of the liquid storage chamber is connected with a spray gun through a pipeline; the top of the liquid storage chamber is provided with a pressure stabilizing mechanism, and the pressure of the paint in the liquid storage chamber is stabilized by a nitrogen spring of the pressure stabilizing mechanism; and a liquid outlet of the liquid storage chamber is provided with a control valve. The utility model discloses a hold the pressure that liquid room interior coating was stabilized to installation steady voltage mechanism in liquid room top, adopt nitrogen spring as steady voltage mechanism, nitrogen spring can contract the energy storage under the coating pressure effect when holding the liquid room feeding, cooperates nitrogen spring through the regulation and control valve, realizes holding the stable ejection of compact of liquid room inside coating, and then ensures the stability of spray gun feed.

Description

Coating energy storage device for continuous spraying equipment

Technical Field

The utility model belongs to the technical field of the spraying equipment, especially, relate to a coating energy storage equipment for continuous spraying equipment.

Background

After the steel pipe is produced, an anticorrosive coating needs to be coated on the inner surface of the steel pipe. The anticorrosive coating on the inner surface of the medium and small-diameter steel pipe is mostly sprayed by a high-speed rotating cup spray gun, and the solvent-free coating has high viscosity, so that a reciprocating plunger pump or a gear pump is generally adopted to supply materials to the rotating cup, but the pressure fluctuation phenomenon exists in the process of conveying the rotating cup by the conventional coating, so that the coating cannot be stably and continuously supplied, and the product spraying quality is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a coating energy storage equipment for continuous spraying equipment aims at improving the technical problem that coating delivery pressure is unstable among the prior art and influences the spraying quality.

In order to solve the technical problem, the utility model discloses the technical scheme who takes is:

a coating energy storage device for continuous spraying equipment comprises a liquid storage chamber for containing coating, wherein a liquid inlet of the liquid storage chamber is connected with an outlet of a conveying pump through a pipeline, and a liquid outlet of the liquid storage chamber is connected with a spray gun through a pipeline; the top of the liquid storage chamber is provided with a pressure stabilizing mechanism for stabilizing the pressure of the paint in the liquid storage chamber; and a liquid outlet of the liquid storage chamber is provided with a control valve.

Preferably, the pressure stabilizing mechanism comprises a nitrogen spring and a piston main body which can be matched with an inner cavity of the liquid storage chamber, a connecting frame for installing the nitrogen spring is arranged at the top of the liquid storage chamber, a cylinder body of the nitrogen spring is arranged at the top of the connecting frame, and the tail end of a piston rod of the nitrogen spring is connected with the piston main body; the lower end of the piston main body is in sealing fit with the inner wall of the liquid storage chamber through a sealing assembly.

Preferably, the lower part inner wall of link is equipped with spacing platform, the lower extreme of piston main part is equipped with outstanding spacing step, the upper surface of spacing step can cooperate with the lower surface of spacing platform, the piston main part surface and the cooperation of spacing platform inner wall on spacing step upper portion, seal assembly sets up on the piston main part surface of spacing step lower part.

Preferably, the top of the piston main body is provided with a top cover, the outer edge of the top cover can be erected on the limiting table, and the top cover is connected with a piston rod of the nitrogen spring.

Preferably, the sealing assembly comprises a first sealing ring and a second sealing ring, the second sealing ring is arranged above the first sealing ring, the first sealing ring is arranged at the lower end of the piston main body, the lower end of the piston main body is provided with a spigot for mounting the first sealing ring, and the outer surface of the piston main body is provided with a sealing groove for accommodating the second sealing ring; the middle of the outer side face of the first sealing ring is provided with a step.

Preferably, the nitrogen springs are multiple and uniformly distributed at the top of the connecting frame

Preferably, the liquid storage chamber is cylindrical, and the lower end of the connecting frame is in threaded connection with the upper end of the liquid storage chamber; the top of the connecting frame is provided with a plurality of mounting holes for mounting the nitrogen spring cylinder body; the piston main body is a cylinder with a limiting step at the lower part, and the bottom surface of the piston main body is provided with an invaginated groove.

Preferably, the liquid inlet and the liquid outlet are both arranged on a bottom plate of the liquid storage chamber, the liquid outlet is arranged in the middle of the bottom plate, the liquid inlet is arranged on the side face of the liquid outlet, the liquid inlet is communicated with a feeding channel in the bottom plate, and the other end of the feeding channel extends to the outside of the bottom plate and is connected with the conveying pump through a pipeline.

Preferably, the control valve is a throttle valve.

Further, the throttle valve is a needle throttle valve.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: compared with the prior art, the utility model discloses a hold the pressure that liquid room internal coating was stabilized to installation voltage stabilizing mechanism at liquid room top, adopt nitrogen spring as voltage stabilizing mechanism, nitrogen spring can contract the energy storage under the coating pressure effect when holding the liquid room feeding, cooperates nitrogen spring through adjusting control valve, realizes holding the stable ejection of compact of liquid room internal coating, and then ensures the stability of spray gun feed.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of a paint energy storage device for a continuous spraying apparatus according to an embodiment of the present invention;

FIG. 2 is a view of the reservoir of FIG. 1 after the reservoir has been emptied of material;

in the figure: 1-liquid storage chamber, 2-nitrogen spring, 3-piston main body, 4-connecting frame, 5-limiting table, 6-limiting step, 7-top cover, 8-first sealing ring, 9-second sealing ring, 10-bottom plate, 11-liquid inlet, 12-liquid outlet, 13-control valve and 14-feeding channel.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the utility model provides a coating energy storage device for continuous spraying equipment, including the reservoir 1 that is used for holding coating, the inlet 11 of reservoir 1 is connected with the delivery pump outlet through the pipeline, the outlet 12 of reservoir 1 is connected with the spray gun through the pipeline; the top of the liquid storage chamber 1 is provided with a pressure stabilizing mechanism for stabilizing the pressure of the paint in the liquid storage chamber; the liquid outlet 12 of the liquid storage chamber 1 is provided with a control valve 13. The pressure stabilizing mechanism comprises a nitrogen spring 2 and a piston main body 3 which can be matched with an inner cavity of a liquid storage chamber 1, a connecting frame 4 for installing the nitrogen spring is arranged at the top of the liquid storage chamber 1, a cylinder body of the nitrogen spring 2 is arranged at the top of the connecting frame 4, and the tail end of a piston rod of the nitrogen spring 2 is connected with the piston main body 3; the lower end of the piston main body 3 is in sealing fit with the inner wall of the liquid storage chamber 1 through a sealing component.

In addition, a nitrogen spring in the pressure stabilizing mechanism can also be linked with a pressure gauge by adopting a hydraulic cylinder or an air cylinder to realize the control of the coating pressure, the pressure gauge is arranged on the side wall of the liquid storage chamber, the pressure in the liquid storage chamber is monitored by the pressure gauge, and the coating pressure is ensured to be kept stable. Of course, a nitrogen spring structure with a simple and convenient structure is preferred.

In a specific embodiment of the present invention, as shown in fig. 1, a limiting table 5 is disposed on the lower inner wall of the connecting frame 4, the lower end of the piston main body 3 is provided with a protruding limiting step 6, the upper surface of the limiting step 6 can be matched with the lower surface of the limiting table 5, the outer surface of the piston main body 3 on the upper portion of the limiting step 6 is matched with the inner wall of the limiting table 5, the sealing component is disposed on the outer surface of the piston main body 3 on the lower portion of the limiting step 6, and the sealing performance between the piston main body and the inner wall of the liquid storage chamber is ensured. By means of the cooperation of the limiting table and the limiting step, the up-down stroke of the piston main body can be limited, the up-down stroke of the piston main body can be controlled in the stroke of the nitrogen spring, and meanwhile impact on the bottom of the liquid storage chamber caused by the down stroke of the piston main body is avoided.

Further optimizing the technical scheme, as shown in fig. 1, a top cover 7 is arranged at the top of the piston main body 3, the outer edge of the top cover 7 can be erected on the limiting table 5, and the top cover 7 is connected with a piston rod of the nitrogen spring 2. During specific manufacture, the top cover and the piston main body can be of a split structure, the top cover is in threaded connection with the upper end of the piston main body, manufacture and installation are simple and convenient, the nitrogen spring is also convenient to install, and the top cover can be used for assisting in limiting the top of the piston main body.

In specific design, the sealing assembly comprises a first sealing ring 8 and a second sealing ring 9, the second sealing ring 9 is arranged above the first sealing ring 8, the first sealing ring 8 is arranged at the lower end of the piston main body 3, the lower end of the piston main body 3 is provided with a spigot for installing the first sealing ring 8, and the outer surface of the piston main body 3 is provided with a sealing groove for accommodating the second sealing ring 9, as shown in fig. 1 and 2. With this structure, the sealing performance between the piston main body and the liquid storage chamber can be ensured. In addition, the middle of the outer side surface of the first sealing ring 8 is provided with a step, so that a small gap is formed between the bottom of the piston main body and the bottom of the liquid storage chamber when the piston main body is lowered to the lowest position, and the piston main body is prevented from being tightly sucked with the bottom of the liquid storage chamber.

In a specific embodiment of the present invention, the number of the nitrogen springs 2 is multiple, and the multiple nitrogen springs 2 are uniformly distributed on the top of the connecting frame 4; the liquid storage chamber 1 is cylindrical, and the lower end of the connecting frame 4 is in threaded connection with the upper end of the liquid storage chamber 1; the top of the connecting frame 4 is provided with a plurality of mounting holes for mounting the nitrogen spring 2 cylinder body; the piston main body is a cylinder with a limiting step at the lower part, and the bottom surface of the piston main body is provided with an inwards-recessed groove, as shown in fig. 2, by adopting the structure, a small gap can be ensured to exist between the bottom surface of the piston main body and the bottom of the liquid storage chamber when the piston main body is lowered to the minimum, so that the piston main body is prevented from being tightly sucked with the bottom of the liquid storage chamber to influence the upward operation of the piston main body. In order to meet the requirement of lightweight design, the piston main body can adopt a shell with a hollow structure, and the overall weight of the piston main body is reduced on the premise of meeting the strength requirement of the piston main body.

As a preferable structure, the liquid inlet 11 and the liquid outlet 12 are both disposed on a bottom plate 10 of the liquid storage chamber 1, the liquid outlet 12 is disposed in the middle of the bottom plate 10, the liquid inlet 11 is disposed on a side surface of the liquid outlet 12, the liquid inlet 11 is communicated with a feeding channel 14 in the bottom plate 10, and the other end of the feeding channel 14 extends to the outside of the bottom plate 10 and is connected to a delivery pump through a pipeline. During specific manufacturing, the bottom plate and the liquid storage chamber main body can be processed in a split mode, and threaded connection is adopted during installation. In addition, a short joint connected with a pipeline is installed at the inlet end of the feeding channel, a short joint connected with the control valve is installed at the liquid outlet at the bottom surface of the bottom plate, and the short joints are connected through threads.

The control valve 13 is a throttle valve, and can be a needle-type throttle valve, and is used for controlling the flow rate and the flow velocity of the coating.

The utility model discloses specific application is as follows:

the coating with fluctuation in flow speed and pressure enters the liquid storage chamber through the liquid inlet by the pipeline conveying pump, and under the action of the coating pressure, the coating pushes the piston main body to move upwards, so that the nitrogen spring contracts to store energy; and then, the needle type throttle valve is adjusted, and the coating is discharged from the liquid outlet, so that the coating is uniformly supplied to the spray gun, and the spraying quality of the product is further ensured.

By increasing or decreasing the nitrogen spring, the pressure of the liquid storage chamber can be adjusted, so that the coating can be uniformly and stably output, and the coating requirement can be met.

In conclusion, the utility model has the advantages of simple and compact structure and stable pressure of paint feeding, effectively reduces the probability of coating breaking and explosion caused by unstable paint feeding, and improves the product percent of pass; the components in the utility model are made of the conventional products in the market, which is easy to purchase and has low manufacturing cost; each part adopts threaded connection, and the equipment is convenient, and the washing of being convenient for is changed. Adopt the utility model discloses the convenience combines with various pump bodies, can effectively eliminate unstable factors such as pump panting, fluctuation.

In the above description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, other ways of implementing the invention may be devised different from those described herein, and similar developments may be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. A coating energy storage device for continuous spraying equipment, characterized in that: the device comprises a liquid storage chamber for containing coating, wherein a liquid inlet of the liquid storage chamber is connected with an outlet of a delivery pump through a pipeline, and a liquid outlet of the liquid storage chamber is connected with a spray gun through a pipeline; the top of the liquid storage chamber is provided with a pressure stabilizing mechanism for stabilizing the pressure of the paint in the liquid storage chamber; and a liquid outlet of the liquid storage chamber is provided with a control valve.

2. The energy storage device for paint for a continuous spray coating apparatus of claim 1, wherein: the pressure stabilizing mechanism comprises a nitrogen spring and a piston main body which can be matched with an inner cavity of the liquid storage chamber, the top of the liquid storage chamber is provided with a connecting frame for mounting the nitrogen spring, a cylinder body of the nitrogen spring is arranged on the top of the connecting frame, and the tail end of a piston rod of the nitrogen spring is connected with the piston main body; the lower end of the piston main body is in sealing fit with the inner wall of the liquid storage chamber through a sealing assembly.

3. The energy storage device for paint for a continuous spray coating apparatus of claim 2, wherein: the piston is characterized in that a limiting table is arranged on the inner wall of the lower portion of the connecting frame, a protruding limiting step is arranged at the lower end of the piston main body, the upper surface of the limiting step can be matched with the lower surface of the limiting table, the outer surface of the piston main body on the upper portion of the limiting step is matched with the inner wall of the limiting table, and the sealing assembly is arranged on the outer surface of the piston main body on the lower portion of the limiting step.

4. A paint energy storage apparatus for a continuous spray coating device as claimed in claim 3, wherein: the top of piston main part is equipped with the top cap, the outward flange of top cap can set up on spacing platform, the top cap links to each other with nitrogen gas spring's piston rod.

5. The energy storage device for paint for a continuous spray coating apparatus of claim 2, wherein: the sealing assembly comprises a first sealing ring and a second sealing ring, the second sealing ring is arranged above the first sealing ring, the first sealing ring is arranged at the lower end of the piston main body, the lower end of the piston main body is provided with a spigot used for mounting the first sealing ring, and the outer surface of the piston main body is provided with a sealing groove used for accommodating the second sealing ring; the middle of the outer side face of the first sealing ring is provided with a step.

6. The energy storage device for paint for a continuous spray coating apparatus of claim 2, wherein: the nitrogen gas spring is a plurality of, and a plurality of nitrogen gas spring equipartitions set up in the top of link.

7. The energy storage device for paint for a continuous spray coating apparatus of claim 6, wherein: the liquid storage chamber is cylindrical, and the lower end of the connecting frame is in threaded connection with the upper end of the liquid storage chamber; the top of the connecting frame is provided with a plurality of mounting holes for mounting the nitrogen spring cylinder body; the piston main body is a cylinder with a limiting step at the lower part, and the bottom surface of the piston main body is provided with an inwards-sunken groove.

8. The energy storage device for paint for a continuous coating apparatus according to any one of claims 1 to 7, wherein: the liquid inlet and the liquid outlet are arranged on a bottom plate of the liquid storage chamber, the liquid outlet is arranged in the middle of the bottom plate, the liquid inlet is arranged on the side face of the liquid outlet, the liquid inlet is communicated with a feeding channel in the bottom plate, and the other end of the feeding channel extends to the outside of the bottom plate and is connected with the conveying pump through a pipeline.

9. The paint energy storage apparatus for a continuous spray coating device of claim 8, wherein: the control valve is a throttle valve.

10. The energy storage device for paint for a continuous spray coating apparatus of claim 9, wherein: the throttle valve is a needle type throttle valve.