Chemical solution ingredient premixing device with anti-precipitation structure

Abstract

The utility model discloses a chemical solution ingredient premixing device with an anti-precipitation structure, which relates to the field of mixing devices, and comprises a stirring tank with a hollow structure, the bottom end of the stirring tank is connected with a discharge pipe, the inner cavity of the discharge pipe is communicated with the inner cavity of the stirring tank, the discharge pipe is provided with an electromagnetic valve, and the electromagnetic valve is connected with the stirring tank. A rotating mechanism for driving a rotating shaft to rotate is mounted at the top end of the stirring tank, the rotating shaft penetrates to an inner cavity of the stirring tank from the upper part of the stirring tank, and the rotating shaft is rotationally connected with the stirring tank; and a lifting mechanism which penetrates through the rotating shaft and extends to the position above the rotating shaft is arranged at an input port of the discharging pipe. By arranging the lifting mechanism and the sealing plate, an input port of the discharging pipe can be effectively sealed before chemical raw materials are added, crystal substances are prevented from entering the discharging pipe, and therefore the stirring effect is improved.

Description

Technical Field

[0001] The utility model relates to the field of mixing devices, in particular to a chemical solution batching premixing device with an anti-precipitation structure. Background Art

[0002] Chemical raw materials are in crystalline or liquid form. Before mixing chemical solutions, they should be pre-stirred to avoid the presence of crystalline materials in the solution. In other words, before mixing, stirring is required to melt the existing crystals.

[0003] After the chemical raw materials are added into the mixing tank, some of the existing crystals will enter the discharge pipe. During stirring, the stirring force formed cannot effectively act on the crystals entering the discharge pipe. In order to avoid this phenomenon, the stirring speed or stirring time has to be increased. There is no good way to prevent the crystals from entering the discharge pipe. Utility Model Content

[0004] The purpose of the utility model is to provide a chemical solution batching premixing device with an anti-precipitation structure in order to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a chemical solution batching premixing device with an anti-precipitation structure, comprising a stirring tank with a hollow structure, the bottom end of the stirring tank is connected to a discharge pipe, the inner cavity of the discharge pipe is connected to the inner cavity of the stirring tank, a solenoid valve is installed on the discharge pipe, and a rotating mechanism for driving a rotating shaft to rotate is installed on the top of the stirring tank, the rotating shaft penetrates from the top of the stirring tank to the inner cavity of the stirring tank, and the rotating shaft is rotatably connected to the stirring tank;

[0006] A lifting mechanism penetrating the rotating shaft and extending above the rotating shaft is provided at the input port of the discharge pipe, and the lifting mechanism is used to prevent crystals or precipitates from entering the upper half of the discharge pipe through the input port of the discharge pipe.

[0007] As a further solution of the utility model: the rotating mechanism includes a mounting frame fixedly mounted on the top surface of the stirring tank, a rotating motor is mounted on the top plate of the mounting frame, the output end of the rotating motor passes through the bottom of the mounting frame, the output end of the rotating motor is connected to a driving gear, the outer periphery of the driving gear is meshed with a driven gear, and the driven gear is interference fitted on the outer periphery of the rotating shaft.

[0008] As a further solution of the utility model: the lifting mechanism includes an electric push cylinder fixedly installed on the top surface of the mixing tank, the output end of the electric push cylinder is connected to a connecting plate, the other side of the bottom end surface of the connecting plate is fixedly connected to a lifting rod, the lifting rod is slidably connected to the inner wall of the rotating shaft, a connecting groove is formed below the inner wall of the rotating shaft, the inner wall of the connecting groove is slidably connected to a connecting block, and a spring is fixedly connected between the bottom end of the lifting rod and the top end of the connecting block.

[0009] As a further solution of the utility model: the bottom end of the spring is rotatably connected to a connecting shaft, the connecting shaft is rotatably connected to the inner wall of the rotating shaft, and the bottom end of the connecting shaft is fixedly connected to a sealing plate for closing the input port of the discharge pipe.

[0010] As a further solution of the utility model: a stirrer is installed on the outer periphery of the rotating shaft, and the stirrer in a rotating state is used to stir the chemical solution.

[0011] As a further solution of the utility model: a feeding port is installed on the top side of the stirring tank, and the feeding port is communicated with the inner cavity of the stirring tank.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. By setting up the lifting mechanism and sealing plate, the input port of the discharge pipe can be effectively closed before adding chemical raw materials to prevent crystals from entering the discharge pipe, thereby improving the stirring effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 A partial enlarged view of the middle part;

[0016] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0017] Figure 4 For the utility model Figure 3 A partial enlarged view of point B in the middle.

[0018] In the figure: 1. mixing tank; 2. discharge pipe; 3. solenoid valve; 4. feeding port; 5. mounting frame; 6. rotating motor; 7. driving gear; 8. driven gear; 9. rotating shaft; 10. lifting rod; 11. connecting plate; 12. electric push cylinder; 13. connecting groove; 14. spring; 15. connecting block; 16. connecting shaft; 17. sealing plate; 18. agitator. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1 to Figure 4 In an embodiment of the utility model, a chemical solution premixing device with an anti-precipitation structure comprises a stirring tank 1 with a hollow structure, a discharge pipe 2 is connected to the bottom end of the stirring tank 1, the inner cavity of the discharge pipe 2 is communicated with the inner cavity of the stirring tank 1, a solenoid valve 3 is installed on the discharge pipe 2, and a rotating mechanism for driving a rotating shaft 9 to rotate is installed at the top of the stirring tank 1, the rotating shaft 9 penetrates from the top of the stirring tank 1 to the inner cavity of the stirring tank 1, and the rotating shaft 9 is rotatably connected to the stirring tank 1; a lifting mechanism penetrating the rotating shaft 9 and extending to the top of the rotating shaft 9 is arranged at the input port of the discharge pipe 2, and the lifting mechanism is used to prevent crystals or precipitates from entering the upper half of the discharge pipe 2 through the input port of the discharge pipe 2.

[0021] In this embodiment, when the chemical solution is pre-stirred, the rotating mechanism is started, the rotating mechanism drives the rotating shaft 9 to rotate, and the rotating rotating shaft 9 drives the stirrer 18 to rotate, so as to stir a solution put into the stirring tank 1 through the feeding port 4;

[0022] Before adding the chemical solution, the lifting mechanism is started to close the input port in the discharge pipe 2 to prevent the chemical solution from entering the discharge pipe 2 and prevent the chemical liquid from crystallizing and precipitating and entering the discharge pipe 2 located above the solenoid valve 3.

[0023] Please refer to Figure 1 and Figure 2 The rotating mechanism includes a mounting frame 5 fixedly mounted on the top surface of the stirring tank 1, a rotating motor 6 is mounted on the top plate of the mounting frame 5, the output end of the rotating motor 6 extends to the bottom of the mounting frame 5, the output end of the rotating motor 6 is connected to a driving gear 7, the outer periphery of the driving gear 7 is meshed with a driven gear 8, and the driven gear 8 is interference fitted on the outer periphery of the rotating shaft 9.

[0024] In this embodiment: by starting the rotating motor 6, the rotating motor 6 drives the driving gear 7 to rotate, the driving gear 7 drives the driven gear 8 to rotate, the rotating driven gear 8 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the stirrer 18 to rotate, and the rotating stirrer 18 stirs the chemical solution in the stirring tank 1 for premixing;

[0025] It should be noted that the output shaft of the rotary motor 6 is rotatably connected to the mounting bracket 5 via a bearing to reduce friction during the rotation process.

[0026] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 The lifting mechanism includes an electric push cylinder 12 fixedly installed on the top surface of the mixing tank 1, the output end of the electric push cylinder 12 is connected to a connecting plate 11, and the other side of the bottom end surface of the connecting plate 11 is fixedly connected to a lifting rod 10, the lifting rod 10 is connected to the inner wall of the rotating shaft 9 for sliding up and down, a connecting groove 13 is formed below the inner wall of the rotating shaft 9, and a connecting block 15 is connected to the inner wall of the connecting groove 13 for sliding up and down, a spring 14 is fixedly connected between the bottom end of the lifting rod 10 and the top of the connecting block 15, the bottom end of the spring 14 is rotatably connected to a connecting shaft 16, the connecting shaft 16 is rotatably connected to the inner wall of the rotating shaft 9, and the bottom end of the connecting shaft 16 is fixedly connected to a sealing plate 17 for closing the input port of the discharge pipe 2.

[0027] In this embodiment: before adding the chemical solution through the feeding port 4, the electric push cylinder 12 is shortened by starting, the electric push cylinder 12 drives the connecting plate 11 to move downward, the connecting plate 11 drives the lifting rod 10 to move downward, the lifting rod 10 moves downward along the inner wall of the rotating shaft 9, and drives the connecting block 15 to move downward through the spring 14, until the connecting block 15 drives the sealing plate 17 through the connecting shaft 16 to effectively close the input port of the discharge pipe 2, at this time, the chemical solution can be added to the stirring tank 1 to prevent the crystals in the chemical solution from entering the discharge pipe 2.

[0028] Please refer to Figure 3 A stirrer 18 is installed on the outer periphery of the rotating shaft 9, and the rotating stirrer 18 is used to stir the chemical solution.

[0029] In this embodiment: the rotating stirrer 18 is used to fully stir the chemical solution.

[0030] Please refer to Figure 1 A feeding port 4 is installed on the top side of the stirring tank 1, and the feeding port 4 is connected to the inner cavity of the stirring tank 1.

[0031] In this embodiment, the chemical solution to be premixed is added into the stirring tank 1 through the feeding port 4 .

[0032] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A chemical solution premixing device with an anti-precipitation structure, comprising a stirring tank (1) with a hollow structure, a discharge pipe (2) connected to the bottom end of the stirring tank (1), the inner cavity of the discharge pipe (2) is connected to the inner cavity of the stirring tank (1), and a solenoid valve (3) is installed on the discharge pipe (2), characterized in that: A rotating mechanism for driving a rotating shaft (9) to rotate is installed at the top of the stirring tank (1); the rotating shaft (9) penetrates from the top of the stirring tank (1) to the inner cavity of the stirring tank (1), and the rotating shaft (9) is rotatably connected to the stirring tank (1); A lifting mechanism is provided at the input port of the discharge pipe (2), which passes through the rotating shaft (9) and extends above the rotating shaft (9). The lifting mechanism is used to prevent crystals or precipitates from entering the upper half of the discharge pipe (2) through the input port of the discharge pipe (2).

2. The chemical solution premixing device with an anti-precipitation structure according to claim 1, characterized in that: The rotating mechanism comprises a mounting frame (5) fixedly mounted on the top surface of the stirring tank (1); a rotating motor (6) is mounted on the top plate of the mounting frame (5); an output end of the rotating motor (6) extends through the bottom of the mounting frame (5); the output end of the rotating motor (6) is connected to a driving gear (7); a driven gear (8) is meshed on the outer periphery of the driving gear (7); and the driven gear (8) is interference fitted on the outer periphery of the rotating shaft (9).

3. The chemical solution premixing device with an anti-precipitation structure according to claim 2, characterized in that: The lifting mechanism comprises an electric push cylinder (12) fixedly mounted on the top surface of the stirring tank (1), the output end of the electric push cylinder (12) is connected to a connecting plate (11), the other side of the bottom surface of the connecting plate (11) is fixedly connected to a lifting rod (10), the lifting rod (10) is connected to the inner wall of the rotating shaft (9) in an up-and-down sliding manner, a connecting groove (13) is formed below the inner wall of the rotating shaft (9), the inner wall of the connecting groove (13) is connected to a connecting block (15) in an up-and-down sliding manner, and a spring (14) is fixedly connected between the bottom end of the lifting rod (10) and the top end of the connecting block (15).

4. The chemical solution premixing device with an anti-precipitation structure according to claim 3, characterized in that: The bottom end of the spring (14) is rotatably connected to a connecting shaft (16), and the connecting shaft (16) is rotatably connected to the inner wall of the rotating shaft (9). The bottom end of the connecting shaft (16) is fixedly connected to a sealing plate (17) for closing the input port of the discharge pipe (2).

5. The chemical solution premixing device with an anti-precipitation structure according to claim 4, characterized in that: A stirrer (18) is installed on the outer periphery of the rotating shaft (9), and the stirrer (18) in a rotating state is used to stir the chemical solution.

6. The chemical solution premixing device with an anti-precipitation structure according to claim 1, characterized in that: A feeding port (4) is installed on the top side of the stirring tank (1), and the feeding port (4) is connected to the inner cavity of the stirring tank (1).

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