Carbon powder mixing device

Abstract

The utility model relates to the field of carbon powder processing, and discloses a carbon powder mixing device which comprises a carbon powder mixing tank, a feeding pipe is fixedly arranged on the top surface of the carbon powder mixing tank, a cooling mechanism is arranged on the outer surface of the carbon powder mixing tank, an air inlet pipe is fixedly arranged on the top surface of the carbon powder mixing tank, and an air outlet pipe is arranged on the air inlet pipe. A first electric control valve is fixedly installed on the outer surface of the top end of the air inlet pipe, external air is filtered by the circular filter and then enters the carbon powder mixing tank, hot air in the carbon powder mixing tank can be taken away by the air entering the carbon powder mixing tank, and then the hot air filtered in the circular exhaust pipe is exhausted through the exhaust hood and the ventilation fan. According to the carbon powder mixing tank cooling device, the carbon powder mixing tank can be effectively cooled, air pressure rise caused by too high temperature in the carbon powder mixing tank is avoided, dust and impurities in air can be prevented from entering the carbon powder mixing tank when ventilation is performed on the carbon powder mixing tank, and meanwhile, carbon powder in the carbon powder mixing tank can be effectively prevented from being brought out during ventilation.

Description

Technical Field

[0001] The utility model belongs to the technical field of carbon powder processing, in particular to a carbon powder mixing device. Background Art

[0002] The toner mixing device is a process of uniformly mixing toner with other raw materials or additives. Toner is widely used in industrial production, such as in the printing industry, electronic equipment production and chemical industry. The purpose of toner mixing is to ensure that toner and other raw materials can be fully mixed to achieve the expected product performance and quality.

[0003] For example, a utility model patent with announcement number CN220657162U discloses a mixing device for carbon powder processing, which comprises a stirring tank, a fan is fixedly connected to the top of the stirring tank, an air outlet of the fan is connected to a ventilation pipe, an air outlet window is provided inside the stirring tank, a stirring assembly is arranged inside the stirring tank, the stirring assembly comprises a driving wheel, a belt, a driven wheel, a rack, and round teeth, and a driving wheel is arranged on the top of the stirring tank. The mixing device for carbon powder processing provided by the utility model solves the problems that the operation of the device is not stable enough, the raw materials cannot be processed and mixed more efficiently, and during the processing, heat is generated when the device is running, and chemical reactions may occur when the raw materials are mixed, affecting the quality of the processed and mixed materials, and after the operation of the device, residues will adhere to the inner wall, which may affect the operation of the device for a long time.

[0004] However, during actual use, it was found that the air outlet window of the device was opened in the middle of the mixing tank, and no filtering mechanism was set, so that when the outside air entered the mixing tank for circulation, the dust or other particulate matter in the air could easily contaminate the mixed carbon powder inside the mixing tank, which would affect the product quality of the mixed carbon powder. Therefore, a carbon powder mixing device was provided. Utility Model Content

[0005] The purpose of the utility model is to provide a carbon powder mixing device in order to solve the above-mentioned problems.

[0006] The technical solution adopted by the utility model is as follows: a carbon powder mixing device comprises a carbon powder mixing tank, a feed pipe is fixedly installed on the top surface of the carbon powder mixing tank, a cooling mechanism is arranged on the outer surface of the carbon powder mixing tank, an intake pipe is fixedly installed on the top surface of the carbon powder mixing tank, an electric control valve 1 is fixedly installed on the outer surface of the top end of the intake pipe, a connecting pipe is fixedly installed on the inner wall surface of one end of the electric control valve 1 away from the intake pipe, a circular filter is fixedly installed on the top end of the connecting pipe, a circular exhaust pipe is penetrated and fixedly installed on the outer surface of the top of the carbon powder mixing tank, a limiting ring block is fixedly installed on the inner wall surface of the circular exhaust pipe, a filter plate is arranged on one side of the limiting ring block inside the circular exhaust pipe, a limiting bolt is threadedly connected to the inner wall surface of the circular exhaust pipe, an exhaust hood is threadedly connected to the end of the circular exhaust pipe away from the carbon powder mixing tank, and a ventilation fan is fixedly installed inside the exhaust hood.

[0007] In a preferred embodiment, the cooling and temperature reduction mechanism includes an annular cooling tube, a protective shell, a liquid inlet pipe and a liquid discharge pipe. An annular cooling tube is fixedly installed on the outer surface of the carbon powder mixing tank, and a protective shell is fixedly installed on the outer surface of the carbon powder mixing tank. A liquid inlet pipe is fixedly installed on one end of the annular cooling tube, and a liquid discharge pipe is fixedly installed on the other end of the annular cooling tube. The end of the liquid inlet pipe away from the annular cooling tube is connected to an external cooling water inlet pipe.

[0008] In a preferred embodiment, a motor is fixedly mounted on the top surface of the carbon powder mixing tank, the driving end of the motor extends into the interior of the carbon powder mixing tank, a rotating shaft is fixedly mounted on the driving end of the motor, and a stirring rod is fixedly mounted on the outer surface of the rotating shaft.

[0009] In a preferred embodiment, a circular flushing pipe is fixedly installed on the inner top surface of the carbon powder mixing tank, a liquid guide tube is fixedly installed on the top surface of the circular flushing pipe, one end of the liquid guide tube extends to the top surface of the carbon powder mixing tank, a liquid supply tube is fixedly installed on the inner wall surface of the top end of the liquid guide tube, and the liquid supply tube is connected to an external water supply pipe.

[0010] In a preferred embodiment, a discharge pipe is fixedly installed on the bottom surface of the carbon powder mixing tank, and an electric-controlled valve 2 is fixedly installed on one end of the discharge pipe away from the carbon powder mixing tank.

[0011] In a preferred embodiment, a temperature sensor is fixedly mounted on the top surface of the carbon powder mixing tank, and a monitoring end of the temperature sensor extends to the interior of the carbon powder mixing tank.

[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0013] 1. In the utility model, due to the adoption of the above-mentioned scheme, when the temperature sensor detects that the temperature inside the carbon powder mixing tank rises and exceeds the set value, the terminal control system opens the electric control valve and starts the ventilation fan at the same time. At this time, the outside air is filtered by the circular filter and enters the interior of the carbon powder mixing tank through the connecting pipe and the air intake pipe. The air entering the interior of the carbon powder mixing tank will take away the hot gas inside it, and then enter the interior of the circular exhaust pipe. At this time, the filter plate is set to facilitate the blocking of the carbon powder inside the carbon powder mixing tank, and then the hot gas filtered inside the circular exhaust pipe is discharged through the exhaust hood and the ventilation fan. The device can effectively cool the carbon powder mixing tank to avoid the increase of air pressure inside the carbon powder mixing tank due to excessive temperature, and can avoid the entry of dust and debris in the air when ventilating the carbon powder mixing tank. At the same time, it can also effectively prevent the carbon powder inside the carbon powder mixing tank from being taken out during ventilation. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 This is a schematic diagram of the internal structure of the carbon powder mixing tank of the utility model;

[0016] Figure 3 For the utility model Figure 2 The enlarged structural diagram at A in the middle;

[0017] Figure 4 This is a schematic diagram of the structure of the annular cooling pipe of the utility model before installation.

[0018] Markings in the figure: 1. Carbon powder mixing tank; 2. Feed pipe; 3. Cooling mechanism; 4. Inlet pipe; 5. Electric control valve 1; 6. Connecting pipe; 7. Circular filter; 8. Circular exhaust pipe; 9. Limiting ring block; 10. Filter plate; 11. Limiting bolt; 12. Exhaust hood; 13. Ventilation fan; 14. Annular cooling pipe; 15. Protective shell; 16. Liquid inlet pipe; 17. Liquid discharge pipe; 18. Motor; 19. Rotating shaft; 20. Stirring rod; 21. Circular flushing pipe; 22. Liquid guide pipe; 23. Liquid supply pipe; 24. Discharge pipe; 25. Electric control valve 2; 26. Temperature sensor. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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] refer to Figure 1 , Figure 2 A carbon powder mixing device comprises a carbon powder mixing tank 1, a feeding pipe 2 is fixedly installed on the top surface of the carbon powder mixing tank 1, a motor 18 is fixedly installed on the top surface of the carbon powder mixing tank 1, a driving end of the motor 18 extends to the interior of the carbon powder mixing tank 1, a rotating shaft 19 is fixedly installed on the driving end of the motor 18, a stirring rod 20 is fixedly installed on the outer surface of the rotating shaft 19, and a cooling mechanism 3 is arranged on the outer surface of the carbon powder mixing tank 1; through the arranged feeding pipe 2, it is convenient to introduce the carbon powder and other raw materials or additives to be mixed into the interior of the carbon powder mixing tank 1, at this time, the motor 18 drives the rotating shaft 19 and the stirring rod 20 to rotate, so that it is convenient to mix and stir the carbon powder and other raw materials or additives inside the carbon powder mixing tank 1, and a scraper plate is installed at one end of the stirring rod 20, so that the material can be prevented from adhering to the inner wall of the carbon powder mixing tank 1.

[0021] refer to Figure 1 , Figure 2 An air intake pipe 4 is fixedly installed on the top surface of the carbon powder mixing tank 1, an electric control valve 5 is fixedly installed on the outer surface of the top end of the air intake pipe 4, a connecting pipe 6 is fixedly installed on the inner wall surface of the end of the electric control valve 5 away from the air intake pipe 4, and a circular filter 7 is fixedly installed on the top end of the connecting pipe 6; the electric control valve 5 is set, which is convenient for personnel to control the on and off of the air intake pipe 4, and a filter screen is installed inside the circular filter 7, so that it is convenient to filter the air entering the carbon powder mixing tank 1, and try to avoid dust or other debris in the air from contaminating the carbon powder and other raw materials or additives in the carbon powder mixing tank 1, and the top of the circular filter 7 is equipped with an air intake pipe.

[0022] refer to Figure 1 , Figure 2 and Figure 3 A circular exhaust pipe 8 is fixedly installed on the outer surface near the top of the carbon powder mixing tank 1, and a limiting ring block 9 is fixedly installed on the inner wall of the circular exhaust pipe 8. A filter plate 10 is arranged on one side of the limiting ring block 9 inside the circular exhaust pipe 8, and a limiting bolt 11 is threadedly connected to the inner wall of the circular exhaust pipe 8; the limiting ring block 9 and the limiting bolt 11 are provided, so as to facilitate the limited installation of the filter plate 10. When the personnel unscrew the limiting bolt 11, the filter plate 10 can be taken out from the inside of the circular exhaust pipe 8, so as to facilitate the replacement or maintenance of the filter plate 10. The filter plate 10 is provided to block the carbon powder inside the carbon powder mixing tank 1, so as to avoid the carbon powder inside the carbon powder mixing tank 1 from being discharged with the air when the carbon powder mixing tank 1 is ventilated.

[0023] refer to Figure 1 , Figure 2 and Figure 3The end of the circular exhaust pipe 8 away from the carbon powder mixing tank 1 is threadedly connected with an exhaust hood 12, and a ventilation fan 13 is fixedly installed inside the exhaust hood 12; an external thread is provided on the outer surface of one end of the circular exhaust pipe 8, and a threaded hole corresponding to the exhaust hood 12 is provided on the side of the exhaust hood 12 close to the circular exhaust pipe 8, so that the exhaust hood 12 is conveniently threadedly connected to the outer surface of the circular exhaust pipe 8, and the exhaust hood 12 can be installed and disassembled conveniently. Through the ventilation fan 13, the outside air can enter the interior of the carbon powder mixing tank 1 after being filtered by the circular filter 7, and then the hot gas inside the carbon powder mixing tank 1 is taken out and discharged from the circular exhaust pipe 8.

[0024] refer to Figure 1 , Figure 2 and Figure 4 The cooling mechanism 3 includes an annular cooling pipe 14, a protective shell 15, a liquid inlet pipe 16 and a liquid discharge pipe 17. The annular cooling pipe 14 is fixedly installed on the outer surface of the carbon powder mixing tank 1, and the protective shell 15 is fixedly installed on the outer surface of the carbon powder mixing tank 1; by setting the protective shell 15, it is convenient to protect the annular cooling pipe 14 and avoid the annular cooling pipe 14 from being damaged by the impact of external objects as much as possible.

[0025] refer to Figure 1 , Figure 2 and Figure 4 A liquid inlet pipe 16 is fixedly installed at one end of the annular cooling tube 14, and a liquid discharge pipe 17 is fixedly installed at the other end of the annular cooling tube 14. The end of the liquid inlet pipe 16 away from the annular cooling tube 14 is connected to the external cooling water inlet pipe; through the set liquid inlet pipe 16, it is convenient for external cooling water to enter the interior of the annular cooling tube 14 and be discharged through the liquid discharge pipe 17 for circulating cooling, which is convenient for rapid cooling operation of the carbon powder mixing tank 1.

[0026] refer to Figure 1 , Figure 2 and Figure 3 A circular flushing pipe 21 is fixedly installed on the top surface of the interior of the carbon powder mixing tank 1, and a liquid guide tube 22 is fixedly installed on the top surface of the circular flushing pipe 21. A stop of the liquid guide tube 22 extends to the top surface of the carbon powder mixing tank 1, and a liquid supply tube 23 is fixedly installed on the inner wall of the top end of the liquid guide tube 22, and the liquid supply tube 23 is connected to the external water supply pipe; a liquid nozzle is installed at the bottom of the circular flushing pipe 21. When the external liquid pump is started to allow clean water to enter the circular flushing pipe 21 through the water supply pipe, the liquid supply tube 23 and the liquid guide tube 22, the liquid nozzle at the bottom of the circular flushing pipe 21 will spray clean water, thereby facilitating the flushing of the inner wall of the carbon powder mixing tank 1 and the stirring rod 20, and trying to avoid the adhesion of materials affecting the subsequent use of the carbon powder mixing tank 1.

[0027] refer to Figure 1 , Figure 2A discharge pipe 24 is fixedly installed on the bottom surface of the carbon powder mixing tank 1, and an electric control valve 25 is fixedly installed at one end of the discharge pipe 24 away from the carbon powder mixing tank 1; through the provision of the electric control valve 25, the discharge pipe 24 is opened to discharge the mixed carbon powder mixture, so that personnel can further process it.

[0028] refer to Figure 1 , Figure 2 A temperature sensor 26 is fixedly installed on the top surface of the carbon powder mixing tank 1, and the monitoring end of the temperature sensor 26 extends to the interior of the carbon powder mixing tank 1; the temperature sensor 26 is set to facilitate monitoring the temperature inside the carbon powder mixing tank 1, and the temperature sensor 26, the electric control valve 1 5, the ventilation fan 13, the motor 18 and the electric control valve 2 25 are all connected to the external terminal control system. When the temperature sensor 26 detects that the temperature exceeds the set value, the terminal control system opens the electric control valve 1 5 and starts the ventilation fan 13, which facilitates the flow of air between the interior of the carbon powder mixing tank 1 and the outside world, and facilitates the cooling operation of the interior of the carbon powder mixing tank 1.

[0029] The implementation principle of the embodiment of the carbon powder mixing device of the utility model is as follows: the operator first introduces the carbon powder and other raw materials or additives to be mixed into the interior of the carbon powder mixing tank 1 through the feed pipe 2, and then starts the motor 18, and the motor 18 drives the rotating shaft 19 and the stirring rod 20 to rotate, so that the carbon powder and other raw materials or additives in the carbon powder mixing tank 1 are mixed and stirred;

[0030] When the temperature sensor 26 detects that the temperature inside the carbon powder mixing tank 1 rises and exceeds the set value, the external cooling water enters the annular cooling pipe 14 through the liquid inlet pipe 16, so that the cooling water inside the annular cooling pipe 14 and the carbon powder mixing tank 1 can be heat exchanged to achieve cooling of the carbon powder mixing tank 1. Then the terminal control system opens the electric control valve 15 and starts the ventilation fan 13. At this time, the external air is filtered by the circular filter 7 and enters the interior of the carbon powder mixing tank 1 through the connecting pipe 6 and the air intake pipe 4. The air entering the carbon powder mixing tank 1 will take away the hot gas inside the carbon powder mixing tank 1 and then enter the interior of the circular exhaust pipe 8. The circular exhaust pipe A filter plate 10 is arranged inside 8, and the filter plate 10 is arranged to block the carbon powder inside the carbon powder mixing tank 1, and try to prevent the carbon powder inside the carbon powder mixing tank 1 from being discharged along with the air when the carbon powder mixing tank 1 is ventilated. At this time, the hot gas filtered inside the circular exhaust pipe 8 is discharged through the exhaust hood 12 and the ventilation fan 13. The device has a simple structure and is easy to operate. It can effectively cool the carbon powder mixing tank 1 and prevent the air pressure inside the carbon powder mixing tank 1 from increasing due to excessive temperature. It can also prevent dust and debris from entering the air when ventilating the carbon powder mixing tank 1. At the same time, it can also effectively prevent the carbon powder inside the carbon powder mixing tank 1 from being brought out during ventilation.

[0031] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A carbon powder mixing device, comprising a carbon powder mixing tank (1), characterized in that: A feed pipe (2) is fixedly mounted on the top surface of the carbon powder mixing tank (1); a cooling mechanism (3) is arranged on the outer surface of the carbon powder mixing tank (1); an air intake pipe (4) is fixedly mounted on the top surface of the carbon powder mixing tank (1); an electric control valve (5) is fixedly mounted on the outer surface of the top end of the air intake pipe (4); a connecting pipe (6) is fixedly mounted on the inner wall surface of the end of the electric control valve (5) away from the air intake pipe (4); a circular filter (7) is fixedly mounted on the top end of the connecting pipe (6); and the carbon powder mixing tank (1) is provided with a plurality of air intake pipes (4). ) is provided with a circular exhaust pipe (8) fixedly mounted near the top outer surface, a limiting ring block (9) is fixedly mounted on the inner wall surface of the circular exhaust pipe (8), a filter plate (10) is arranged inside the circular exhaust pipe (8) on one side of the limiting ring block (9), a limiting bolt (11) is threadedly connected to the inner wall surface of the circular exhaust pipe (8), an exhaust hood (12) is threadedly connected to one end of the circular exhaust pipe (8) away from the carbon powder mixing tank (1), and a ventilation fan (13) is fixedly mounted inside the exhaust hood (12).

2. A carbon powder mixing device as claimed in claim 1, characterized in that: The cooling mechanism (3) comprises an annular cooling pipe (14), a protective shell (15), a liquid inlet pipe (16) and a liquid discharge pipe (17); the annular cooling pipe (14) is fixedly mounted on the outer surface of the carbon powder mixing tank (1); the protective shell (15) is fixedly mounted on the outer surface of the carbon powder mixing tank (1); the liquid inlet pipe (16) is fixedly mounted on one end of the annular cooling pipe (14); the liquid discharge pipe (17) is fixedly mounted on the other end of the annular cooling pipe (14); and the end of the liquid inlet pipe (16) away from the annular cooling pipe (14) is connected to an external cooling water inlet pipe.

3. A carbon powder mixing device as claimed in claim 1, characterized in that: A motor (18) is fixedly mounted on the top surface of the carbon powder mixing tank (1), a driving end of the motor (18) extends into the interior of the carbon powder mixing tank (1), a rotating shaft (19) is fixedly mounted on the driving end of the motor (18), and a stirring rod (20) is fixedly mounted on the outer surface of the rotating shaft (19).

4. A carbon powder mixing device as claimed in claim 1, characterized in that: A circular flushing pipe (21) is fixedly mounted on the top surface of the interior of the carbon powder mixing tank (1); a liquid guide pipe (22) is fixedly mounted on the top surface of the circular flushing pipe (21); one end of the liquid guide pipe (22) extends to the top surface of the carbon powder mixing tank (1); a liquid supply pipe (23) is fixedly mounted on the inner wall surface of the top end of the liquid guide pipe (22); the liquid supply pipe (23) is connected to an external water supply pipe.

5. A carbon powder mixing device as claimed in claim 1, characterized in that: A discharge pipe (24) is fixedly mounted on the bottom surface of the carbon powder mixing tank (1), and an electric control valve 2 (25) is fixedly mounted on one end of the discharge pipe (24) away from the carbon powder mixing tank (1).

6. A carbon powder mixing device as claimed in claim 1, characterized in that: A temperature sensor (26) is fixedly mounted on the top surface of the carbon powder mixing tank (1), and a monitoring end of the temperature sensor (26) extends into the interior of the carbon powder mixing tank (1).

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