Liquid additive feeding device for coating production

Abstract

The utility model discloses a liquid additive feeding device for coating production. The liquid additive feeding device comprises an additive tank, a discharge pipe, a ball valve, a nozzle and a transparent pipe, the additive tank comprises a feed port and a discharge port, and the discharge port of the additive tank is connected with the discharge pipe; a ball valve is arranged on a pipe body on one side, close to the discharge port, of the discharge pipe; a liquid outlet end of the ball valve is connected with a nozzle through a pipeline; the nozzle is in an inverted funnel shape and comprises a liquid inlet and a liquid outlet, and the liquid outlet is provided with a circular perforated plate; a liquid outlet of the nozzle is connected with the transparent pipe, and a discharge port of the transparent pipe is connected with a feed port of the stirring tank. The feeding device is simple in structure, the nozzle is arranged at the discharge port of the feeding device, and the discharge end of the perforated plate of the nozzle is connected with the transparent pipeline, so that the discharge speed of the liquid additive can be directly seen, and the ball valve is adjusted according to the observed speed so as to obtain the desired'slow 'feeding effect.

Description

Technical Field

[0001] The utility model relates to the field of coating production equipment, in particular to a liquid additive feeding device for coating production. Background Art

[0002] In addition to the main resin, many additives are used in the production of coatings, such as dispersants, defoamers, co-solvents, anti-settling agents, etc. If it is not a fully automated production line, these additives are usually added manually after weighing. When adding some liquid additives, the production process requires slow addition, but the degree of "slowness" is difficult to control when adding manually.

[0003] Some solutions control the feeding speed or feeding amount by the speed of the speed regulating motor. For example, Chinese patent document CN217646341 U (application number 202221595378.7) discloses an automatic feeding device for mixing water-based paint, wherein the feeding mechanism includes a feeding pipe, the top outer wall of the feeding pipe is connected to a storage box, the inner cavity of the feeding pipe is provided with a movable plate, the top outer wall of the storage box is provided with a feeding port, the outer wall of one side of the feeding pipe is provided with a box body, the outer wall of one side of the box body is provided with a speed regulating motor, the output end of the speed regulating motor penetrates the inner wall of the box body, and the feeding mechanism is provided, and the rotation of the speed regulating motor is used to drive the threaded sleeve to move the movable plate, thereby changing the size of the closure between the movable plate and the feeding pipe to control the size of the feeding amount.

[0004] Some solutions do not have a speed regulating motor, and control the speed of the material by controlling the size of the discharge port. For example, Chinese patent document CN 217094403 U (application number 202220259143.4) is a feeding device for paint processing, which controls the speed of material leakage by pulling the plug plate, and then filters the particulate matter in the ingredients through the filter plate. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a liquid additive feeding device which does not use a motor and can visually observe the adding speed of the liquid additive.

[0006] The technical solution for achieving the purpose of the utility model is a liquid additive dosing device for coating production, comprising an additive tank, a discharge pipe, a ball valve, a nozzle and a transparent tube; the additive tank comprises a feed port and a discharge port, and the discharge port of the additive tank is connected to the discharge pipe; a ball valve is arranged on a tube body on one side of the discharge pipe close to the discharge port, and the liquid outlet end of the ball valve is connected to the nozzle through a pipeline; the nozzle is an inverted funnel shape, comprising a liquid inlet and a liquid outlet, and a circular porous plate is arranged at the liquid outlet; the liquid outlet of the nozzle is connected to the transparent tube, and the discharge port of the transparent tube is connected to the feed port of the stirring tank.

[0007] Furthermore, the number of the auxiliary agent tanks is set according to needs. When two or more auxiliary agent tanks are provided, the discharge ports of the plurality of auxiliary agent tanks are respectively connected to the discharge pipes.

[0008] Furthermore, valves are respectively provided on the corresponding connecting pipes between the discharge port of the auxiliary agent tank and the discharge pipe.

[0009] The transparent tube is a transparent plastic tube or a glass tube.

[0010] Optionally, the feeding device further includes a metering tank and a feeding pipe; the metering tank is connected to the feeding port of each auxiliary agent tank through the feeding pipe. After calculating the dosage of each auxiliary agent according to the formula of the coating, the auxiliary agents are weighed in the metering tank in sequence. After weighing, the valve between the feeding pipe and the corresponding auxiliary agent tank is opened to feed the auxiliary agent into the corresponding auxiliary agent tank. The added metering tank 6 and feeding pipe 7 can simplify the operation of the feeding device in the weighing and feeding links.

[0011] Furthermore, a valve is provided on the connecting pipeline between the feeding pipe and each auxiliary agent tank.

[0012] The utility model has positive effects:

[0013] The feeding device of the utility model has a simple structure, does not use a speed regulating motor, and controls the discharge flow rate of the liquid preparation by adjusting the ball valve; the utility model arranges a nozzle at the discharge port of the feeding device, and the discharge end of the porous plate of the nozzle is connected to a transparent pipe, so that the discharge speed of the liquid additive can be visually seen, and the ball valve is adjusted according to the observed speed to obtain the desired "slow" feeding effect; compared with the previous manual feeding method of directly pouring the solvent containing the liquid additive into the mixing barrel and relying entirely on the feel of the hand, the feeding speed can be better controlled. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the first structure of the utility model.

[0015] Figure 2 This is a second structural schematic diagram of the utility model.

[0016] The markings in the above drawings are as follows:

[0017] Additive tank 1, discharge pipe 2, ball valve 3, nozzle 4, transparent tube 5, metering tank 6, feeding pipe 7, valve 8, stirring tank 9. DETAILED DESCRIPTION

[0018] The following describes some of the multiple possible embodiments of the utility model, which are intended to provide a basic understanding of the utility model, and are not intended to confirm the key or decisive elements of the utility model or to limit the scope of protection. It is easy to understand that according to the technical solution of the utility model, without changing the essential spirit of the utility model, a person skilled in the art can propose other interchangeable implementations. Therefore, the following specific implementations are only exemplary descriptions of the technical solution of the utility model, and should not be regarded as the entirety of the utility model or as a limitation or restriction of the technical solution of the utility model.

[0019] (Example 1)

[0020] See Figure 1 The liquid additive dosing device for coating production of this embodiment includes an additive tank 1, a discharge pipe 2, a ball valve 3, a nozzle 4 and a transparent tube 5. The liquid additive in the additive tank 1 flows through the discharge pipe 2, the ball valve 3, the nozzle 4 and the transparent tube 5, and enters the stirring tank 9 from the outlet of the transparent tube 5.

[0021] The number of the auxiliary agent tanks 1 is set according to needs, for example, three are set in this embodiment.

[0022] The additive tank 1 includes a feed port and a discharge port, and the weighed additives are fed into the corresponding additive tank 1 from the corresponding feed port. When multiple additive tanks 1 are provided, the discharge ports of the multiple additive tanks 1 are respectively connected to the discharge pipe 2. Valves 8 are respectively provided on the corresponding connecting pipes between the discharge ports of the additive tank 1 and the discharge pipe 2.

[0023] A ball valve 3 is arranged on a pipe body of the discharge pipe 2 near the discharge port. The liquid outlet end of the ball valve 3 is connected to the nozzle 4 through a pipeline.

[0024] The nozzle 4 is in the shape of an inverted funnel, and includes a liquid inlet and a liquid outlet; the liquid inlet is connected to the ball valve 3 through a pipeline, and a circular porous plate is provided at the liquid outlet.

[0025] The liquid outlet of the nozzle 4 is connected to the transparent tube 5 , which is a transparent plastic tube or a glass tube; the material outlet of the transparent tube 5 is connected to the material inlet of the stirring tank 9 .

[0026] When the liquid additive dosing device for coating production of this embodiment is used, when it is necessary to slowly add additives into the stirring tank 9, the valve 8 and the ball valve 3 below the corresponding additive tank 1 are opened, and the additive enters the nozzle 4 through the discharge pipe 2 and the ball valve 3. When it flows out from the porous plate of the nozzle 4, it can be clearly seen whether the flow rate of the additive is fast or slow. If the flow rate is fast, the ball valve 3 is controlled to increase the flow rate. If the flow rate is slow, the ball valve 3 can also be controlled to increase the flow rate. Therefore, after adopting the dosing system of the utility model, workers no longer directly pour the additives into the stirring tank 9 slowly, but control while observing, so as to better achieve the effect of slow addition required in some processes.

[0027] (Example 2)

[0028] See Figure 2 The rest of the liquid additive dosing device for coating production in this embodiment is the same as that in Embodiment 1, except that it also includes a metering tank 6 and a feeding pipe 7.

[0029] The metering tank 6 is connected to the feed port of each auxiliary agent tank 1 through a feeding pipe 7 , and a valve 8 is also provided on the connecting pipeline between the feeding pipe 7 and each auxiliary agent tank 1 .

[0030] When the device of this embodiment 1 is used, after calculating the amount of each additive according to the formula of the coating, it is weighed in the metering tank 6 in sequence. After weighing, the valve 8 between the feeding pipe 7 and the corresponding additive tank 1 is opened to feed the additive into the corresponding additive tank 1.

[0031] The added metering tank 6 and feeding pipe 7 can simplify the operation of the feeding device in the weighing and feeding links.

Claims

1. A liquid additive feeding device for coating production, characterized in that: The invention comprises an auxiliary agent tank (1), a discharge pipe (2), a ball valve (3), a nozzle (4) and a transparent tube (5); the auxiliary agent tank (1) comprises a feed port and a discharge port, and the discharge port of the auxiliary agent tank (1) is connected to the discharge pipe (2); a ball valve (3) is arranged on a tube body of the discharge pipe (2) on one side close to the discharge port, and the liquid outlet end of the ball valve (3) is connected to the nozzle (4) through a pipeline; the nozzle (4) is in the shape of an inverted funnel, comprises a liquid feed port and a liquid outlet, and a circular porous plate is arranged at the liquid outlet; the liquid outlet of the nozzle (4) is connected to the transparent tube (5), and the discharge port of the transparent tube (5) is connected to the feed port of the stirring tank (9).

2. The liquid additive feeding device for coating production according to claim 1, characterized in that: The number of the auxiliary agent tanks (1) is set as required. When two or more auxiliary agent tanks (1) are provided, the discharge ports of the plurality of auxiliary agent tanks (1) are respectively connected to the discharge pipes (2).

3. The liquid additive feeding device for coating production according to claim 2, characterized in that: Valves (8) are respectively provided on the corresponding connecting pipes between the discharge port of the auxiliary agent tank (1) and the discharge pipe (2).

4. The liquid additive feeding device for coating production according to claim 1, characterized in that: The transparent tube (5) is a transparent plastic tube or a glass tube.

5. The liquid additive dosing device for coating production according to any one of claims 1 to 4, characterized in that: It also comprises a metering tank (6) and a feeding pipe (7); the metering tank (6) is connected to the feeding port of each auxiliary agent tank (1) via the feeding pipe (7).

6. The liquid additive feeding device for coating production according to claim 5, characterized in that: A valve (8) is also provided on the connecting pipeline between the feeding pipe (7) and each auxiliary agent tank (1).

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