CN216779193U - Upper and lower layer paint can - Google Patents

Abstract

The utility model discloses an upper and lower layer paint can applied to pressure spraying. The coating tank comprises an upper layer preparation tank and a lower layer spraying tank which are fixed together; the tank bottom of the preparation tank is welded and sealed with the tank cover of the spraying tank, and a conical opening is processed at the lowest point in the middle of the spherical tank bottom. The conical opening is controlled to open and close by a connecting rod sealing part; the connecting rod sealing part comprises a driving rod, a connecting rod, a rotating rod and a sealing block, and the conical surface of the sealing block is matched and sealed with the conical opening; the sealing block is hinged with the rotating rod, the rotating rod is hinged with the connecting rod, and the connecting rod is hinged with the driving rod to form a connecting rod mechanism. The utility model can realize that the coating prepared on the upper layer quickly flows down into the spraying tank on the lower layer, thereby avoiding the manual labor of pouring the coating into the spraying tank, greatly saving the coating preparation time and realizing continuous production.

Description

Upper and lower layer paint can

Technical Field

The utility model is applied to the field of centrifugal casting of cast steel pipes, and particularly relates to a double-layer coating tank for spraying a coating in a centrifugal casting pipe die.

Background

For the cast steel pipe, centrifugal casting is a production method with low production cost, and when the cast steel pipe is centrifugally cast, a layer of coating needs to be sprayed on the inner wall of the pipe die to protect the pipe die. Since the casting temperature of molten steel is high, the coating needs to have high refractoriness, and usually, zircon powder with a melting point of 2400 ℃ or higher is mostly used as an aggregate, but the specific gravity of the zircon powder is large and is about 4.6g/cm 3. The conventional suspending agents such as bentonite, attapulgite, CMC and the like cannot achieve the long-time suspension of the zircon powder. The applicant developed in 2019 a pressure spray canister, patent No. 2019212881126, which requires pouring the formulated paint from a paint inlet into a paint canister and then sealing the pressure spray. The operation mode is suitable for small-batch production and slow-paced production, and the time for pouring the coating into the coating tank is long, so that the production continuity is seriously restricted, and the physical labor of staff is increased.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is as follows: the upper layer paint tank and the lower layer paint tank are provided, paint rapidly flows from the upper layer preparation tank to the lower layer spraying tank, the time for pouring the paint is greatly shortened, the requirement of continuous production is met, and the manual labor for pouring the paint is avoided.

The technical scheme adopted by the utility model is as follows: the pressure paint tank comprises an upper layer preparation tank and a lower layer spraying tank which are fixed together. The spherical tank bottom of the preparation tank is welded and sealed with the tank cover of the spraying tank, and a conical opening is machined at the lowest middle point of the spherical tank bottom. The opening and closing of the conical opening are controlled by a connecting rod sealing part; the connecting rod sealing part comprises a driving rod, a connecting rod, a rotating rod and a sealing block, and the conical surface of the sealing block is matched and sealed with the conical opening; the sealing block is hinged with one end of the rotating rod, the other end of the rotating rod is hinged with one end of the connecting rod, and the other end of the connecting rod is hinged with the driving rod. The middle part of the rotating rod is hinged with a lower support fixed on the bottom of the tank, and the middle part of the driving rod is hinged with an upper support fixed on the tank body of the preparation tank.

Furthermore, the spherical tank bottom is replaced by a conical surface tank bottom or an inclined plate tank bottom, and an opening is designed at the lowest point.

Further, the spraying tank at the lower layer is a sealed pressure tank, and the top surface of the spraying tank is sealed and covered with a tank cover fixed by a standard part; the upper part of the tank wall is provided with a compressed air inlet, an observation hole, a light inlet, a pressure relief opening and a pressure gauge; the observation hole is opposite to the light inlet hole, so that the stirring state and the liquid level height of the coating can be observed conveniently; the bottom of the spraying pipe is provided with a spraying pipe, a drain outlet and a stirring device.

The utility model has the beneficial effects that: the coating prepared on the upper layer can quickly flow into the spraying tank on the lower layer, so that the manual labor of pouring the coating into the spraying tank is avoided, the time for pouring the coating is greatly saved, and the requirement of continuous production is met. When the paint tank normally works, the connecting rod mechanism of the connecting rod sealing part is in a locking state, and safe production is realized.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the working principle of the connecting rod sealing member;

wherein: 1-a preparation tank, 2-a spraying tank, 3-a connecting rod sealing part and 4-a supporting part;

11-tank body, 12-blade, 13-opening and 14-tank bottom;

21-a tank cover, 22-a compressed air inlet, 23-an observation hole, 24-a spraying pipe, 25-a sewage draining outlet, 26-a stirring device, 27-a light inlet and 28-a pressure relief opening;

31-active rod, 32-connecting rod, 33-rotating rod, 34-sealing block, 35-upper support and 36-lower support.

Detailed Description

The present invention will be described in detail with reference to fig. 1 and 2, wherein the upper and lower portions are referred to in fig. 1, and the inner and outer portions refer to the inner and outer portions of the paint can. The present embodiment is a circular structure without distinction of front, back, left, and right, but does not exclude a square or oval structure.

The upper and lower paint tanks are stably supported by a bottom support part 4, as shown in figure 1, the core structure of the upper and lower paint tanks is formed by welding an upper paint preparation tank 1 and a lower paint spraying tank 2, an operation platform and a ladder (not shown in the figure) are welded on the side surface of the upper and lower paint tanks, and the preparation tank 1 and the spraying tank 2 are communicated or sealed by a connecting rod sealing part 3.

The preparation tank 1 comprises a tank body 11, a tank bottom 14 and a blade 12 for stirring the paint, wherein the tank bottom 14 is of a spherical structure, the uneven stirring of the paint at a right-angle corner between the planar tank bottom and the tank body 11 can be prevented, an opening 13 is designed at the lowest point of the center of the tank bottom 14, a stainless steel filter screen is fixed on the opening through a standard part, the tank bottom 14 of the spherical structure is convenient for the paint to flow into the spraying tank 2 at the lower layer from the opening, and the stainless steel filter screen can filter blocky impurities in the paint. The spherical structure of the tank bottom 14 can be changed into a conical surface or inclined plate structure, and the lowest point is provided with an opening 13, so that the coating can flow downwards.

The spraying tank 2 is a sealed pressure tank, the lower part of the spraying tank is designed to be of a spherical structure for preventing the paint from depositing and stirring uniformly, and the stirring device 26 is designed on the spherical structure, so that the paint is always in a stirring state, and the paint is ensured to be uniform and not to deposit. The top surface of the spraying tank 2 is covered with a tank cover 21 fixed by a standard part in a sealing way, the tank cover 21 is welded and sealed with the tank bottom 14 of the preparation tank 1, when the spraying tank needs to be maintained or cleaned, the standard part is dismounted, and the preparation tank 1 on the upper layer is lifted away. The upper part of the wall of the spraying tank 2 is provided with a compressed air inlet 22, a pressure relief opening 28, an observation hole 23 and a light inlet hole 27, wherein the observation hole 23 is opposite to the light inlet hole 27, so that the stirring state and the stirring height of the paint in the spraying tank 2 can be observed conveniently. The compressed air inlet 22 provides the pressure for pressure spraying to the spray can 2 and the pressure relief port 28 provides for pressure relief operation of the spray can 2. The upper part of the tank wall of the spraying tank 2 is also provided with a pressure gauge which can indicate the pressure in the spraying tank and is convenient for adjusting the spraying parameters of pressure spraying. The compressed air inlet 22, the observation hole 23, the light inlet 27, the pressure relief opening 28 and the pressure gauge are all higher than the liquid level of the coating. The bottom of the spraying tank 2 is provided with a spraying pipe 24 for spraying the coating and a drain outlet 25 for cleaning and draining, and the drain outlet 25 is positioned at the lowest point of the spherical bottom.

The connecting rod sealing component 3 comprises a driving rod 31, a connecting rod 32, a rotating rod 33 and a sealing block 34, as shown in fig. 2, the sealing block 34 is conical, the conical surface of the sealing block is a sealing surface and is matched with the conical opening 13 below the tank bottom 14, the sealing block 34 is hinged with one end of the rotating rod 33 and can move up and down under the driving of the rotating rod 33, the other end of the rotating rod 33 is hinged with one end of the connecting rod 32, and the other end of the connecting rod 32 is hinged with the driving rod 31, so that a connecting rod mechanism is formed. The middle part of the rotating rod 33 is hinged with a lower support 36, the lower support 36 is fixed on the tank bottom 14, the middle part of the active rod 31 is hinged with an upper support 35, and the upper support 35 is fixed on the tank body 11. Under normal conditions, the middle hinge point of the driving rod 31 and the hinge points at the two ends of the rotating rod 33 are on a vertical line, the connecting rod system is in a locked state, at the moment, the sealing block 34 seals the conical opening 13, the sealing block 34 separates the upper preparation tank 1 from the lower spraying tank 2, coating raw materials such as zircon powder, bentonite, CMC, water and the like are added into the preparation tank 1, and the blades 12 are started to stir to prepare the coating. The spraying tank 2 can open the compressed air inlet 22, charge compressed air, check the indication of the pressure gauge and open the spraying pipe 24, thus realizing the spraying of the inner coating of the pipe die. That is, the paint formulation of the upper preparation tank 1 and the pressure spraying of the lower spray tank 2 may be performed simultaneously.

When paint needs to be supplemented into the spraying tank 2, the compressed air inlet 22 is closed, the pressure relief opening 28 is opened, the pressure in the spraying tank 2 is released, then the driving rod 31 is rotated according to the drawing shown in fig. 2, the driving rod 31 drives the connecting rod 32 to move upwards, the connecting rod 32 drives the rotating rod 33 to rotate clockwise, the sealing block 34 moves downwards, the conical opening 13 at the bottom of the tank is opened, and the paint in the upper preparation tank 1 can rapidly flow into the spraying tank 2 at the lower layer. When the spray can 2 is replenished with paint for use, the drive rod 31 is rotated in the opposite direction and the sealing block 34 moves upwardly to close the conical opening 13 in the can bottom 14.

Under the normal operating condition of lower floor's spraying jar 2, holding pressure, sealed compaction of sealed piece 34 under pressure state, link mechanism keeps at the lock state this moment, and sealed piece 34 can not be because of stirring vibrations whereabouts, and opening 13 department pressure release can not be followed to the pressure in the spraying jar 2 to realize safety in production.

According to the utility model, the paint preparation tank and the spraying tank are fixed together, and the paint on the upper layer can rapidly flow into the spraying tank on the lower layer after being prepared, so that the manual labor of pouring the paint into the spraying tank is avoided, the time for pouring the paint is greatly saved, and the paint requirement of continuous production is met.

Claims (3)

1. The utility model provides a coating tank of upper and lower floor which characterized in that: comprises an upper layer preparation tank (1) and a lower layer spraying tank (2) which are fixed together; the spherical tank bottom (14) of the preparation tank (1) is welded and sealed with the tank cover (21) of the spraying tank (2), and a conical opening (13) is formed in the lowest point in the middle of the spherical tank bottom (14); the opening and closing of the conical opening (13) are controlled by a connecting rod sealing part (3); the connecting rod sealing component (3) comprises a driving rod (31), a connecting rod (32), a rotating rod (33) and a sealing block (34), and the conical surface of the sealing block (34) is matched with the conical opening (13); the sealing block (34) is hinged with one end of a rotating rod (33), the other end of the rotating rod (33) is hinged with one end of a connecting rod (32), and the other end of the connecting rod (32) is hinged with a driving rod (31); the middle part of the rotating rod (33) is hinged with a lower support (36), the lower support (36) is fixed at the bottom (14) of the tank, the middle part of the driving rod (31) is hinged with an upper support (35), and the upper support (35) is fixed at the tank body of the preparation tank.

2. An upper and lower paint can according to claim 1, wherein: the spherical tank bottom (14) is replaced by a conical surface tank bottom or a sloping plate tank bottom.

3. An upper and lower paint can according to claim 1 or 2, wherein: the spraying tank (2) is a sealed pressure tank, and the top surface of the spraying tank is hermetically covered with a tank cover (21) fixed by a standard part; the upper part of the tank wall is provided with a compressed air inlet (22), an observation hole (23), a light inlet hole (27), a pressure relief opening (28) and a pressure gauge; the observation hole (23) is opposite to the light inlet hole (27); the bottom of the spraying device is provided with a spraying pipe (24), a sewage discharge outlet (25) and a stirring device (26).

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