Graphite powder mixing device for graphite material production

Abstract

The utility model discloses a graphite powder mixing device for graphite material production, which comprises a mixing box and an air pump, the inside of the mixing box is rotatably connected with a stirring column, the top of the stirring column is fixedly connected with a helical gear I, the bottom of the stirring column is fixedly connected with a scraper I, one side of the stirring column is fixedly connected with a scraper II, and the scraper II is fixedly connected with a helical gear II. One side of the top of the mixing box communicates with a feeding hopper, a valve is installed on a discharging pipe at the bottom of the mixing box, an air inlet of an air pump fixedly communicates with one side of the mixing box, an air outlet of the air pump fixedly communicates with an air inlet pipe, the other end of the air inlet pipe communicates with a filtering box, and a filtering net is slidably connected into the filtering box. The bottom of the filter box is rotationally connected with an auger, air is pumped through the air pump, graphite powder flying dust enters the filter box through the air suction pipe, is filtered by the filter screen in the filter box and then is blown into the feeding port through the exhaust pipe, and therefore the negative pressure effect is formed, and graphite powder flying dust is avoided.

Description

Technical Field

[0001] The utility model relates to the field of graphite material production, in particular to a graphite powder mixing device for graphite material production. Background Art

[0002] Graphite is an allotrope of carbon. It is a gray-black, opaque solid with stable chemical properties and corrosion resistance. It does not react easily with acids, alkalis and other agents. It can be used as an anti-wear agent and lubricant. High-purity graphite is used as a neutron moderator in atomic reactors. It can also be used to make crucibles, electrodes, brushes, dry batteries, graphite fibers, heat exchangers, coolers, arc furnaces, arc lamps, pencil refills, etc. Graphite powder often needs to be mixed before being used as raw material in production.

[0003] For example, Chinese patent CN217221049U discloses a graphite powder mixing device for graphite material production. In this technical solution, the stirring shaft is driven to rotate by the rotation of the motor, and the rotation of the stirring shaft drives the stirring blades to rotate, so that the graphite powder is mixed evenly. The slider is connected to the stirring shaft through a connecting rod, so that the stirring shaft drives the slider to interact on the annular slide rail, so that the support rod follows the slider to make a circular motion on the annular slide rail. Four support rods are provided, and multiple stirring rods are evenly arranged on the four support rods, which further facilitates the uniform mixing of the graphite powder and improves the efficiency of the uniform mixing of the graphite powder.

[0004] However, in the above disclosed technical solution, when mixing graphite powder, the feeding step requires opening the tank, which often stirs up graphite powder dust, has a great adverse effect on the working environment and workers' health, and slows down work efficiency. Utility Model Content

[0005] In order to solve the technical problems raised in the above background technology, the utility model provides a graphite powder mixing device for producing graphite materials.

[0006] The utility model is implemented by the following technical scheme: a graphite powder mixing device for graphite material production, comprising a mixing box and an air pump, wherein a stirring column is rotatably connected inside the mixing box, a bevel gear 1 is fixedly connected to the top of the stirring column, a scraper 1 is fixedly connected to the bottom of the stirring column, a scraper 2 is fixedly connected to one side of the stirring column, a feed hopper is connected to one side of the top of the mixing box, and a valve is installed on the discharge pipe at the bottom of the mixing box.

[0007] The air inlet of the air pump is fixedly connected to one side of the mixing box, the air outlet of the air pump is fixedly connected to an air inlet pipe, the other end of the air inlet pipe is connected to a filter box, the inside of the filter box is slidably connected with a filter screen, the bottom of the filter box is rotatably connected with an auger, one end of the auger is fixedly connected to a transmission wheel 1, the top of the filter box is connected to an exhaust pipe, the other end of the exhaust pipe is connected to the feed hopper, the inside of the filter box is rotatably connected with a transmission rod, the other end of the transmission rod is rotatably connected to the feed hopper, one end of the transmission rod is fixedly connected with a cam, the outside of the transmission rod is fixedly connected with a transmission wheel 2, the transmission wheel 2 and the transmission wheel 1 are connected through a conveyor belt transmission, the middle part of the transmission rod is fixedly connected with a bevel gear 2, the bevel gear 2 is meshed with the bevel gear 1, and the transmission rod is located on the outside of the feed hopper and is fixedly connected with breaking rods at equal intervals.

[0008] As a further improvement of the above solution, a support frame is fixedly connected to the bottom of the mixing box.

[0009] As a further improvement of the above solution, the cam surface abuts against the filter screen.

[0010] As a further improvement of the above scheme, the filter box includes a box body, the bottom of the right side of the box body is connected to a discharge pipe, the right side of the bottom of the discharge pipe is connected to a mixing box, and one end of the auger penetrates the discharge pipe and extends to the right side outside the discharge pipe.

[0011] As a further improvement of the above solution, one end of the exhaust pipe located inside the feed hopper is arranged to be inclined downward.

[0012] As a further improvement of the above solution, a return port connected to the bottom of the filter box is opened on the top of the mixing box.

[0013] As a further improvement of the above solution, inclined baffles are fixedly connected to the front and back of the filter box, and the auger is located at the bottom between the two baffles.

[0014] As a further improvement of the above solution, one end of the transmission rod is fixedly connected to a servo motor.

[0015] The beneficial effects of the utility model are as follows:

[0016] 1. The graphite powder mixing device for graphite material production has an air pump arranged outside the mixing box. The air pump is used to extract air, and the graphite powder dust enters the filter box through the exhaust pipe, is filtered by the filter screen in the filter box, and is blown into the feed port through the exhaust pipe, thereby forming a negative pressure effect to avoid graphite powder dust.

[0017] 2. The graphite powder mixing device for graphite material production has an auger at the bottom of the filter box and inclined baffles at the front and back of the box. When the transmission shaft rotates, the cam drives the filter to vibrate, and the fallen graphite powder dust will pass through the baffle and fall on the auger. At the same time, the auger rotates to send the graphite powder dust back to the mixing box through the return port, thereby avoiding the accumulation and waste of graphite powder materials in the dust removal process. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a cutaway schematic diagram of the dust removal and recycling system of the utility model;

[0020] Figure 3 This is a schematic diagram of the cross-section structure of the mixing box of the utility model;

[0021] Figure 4 This is a schematic diagram of the cutaway structure of the filter box of the utility model.

[0022] The following are the descriptions of the reference numerals:

[0023] 1. Mixing box; 2. Stirring column; 3. Bevel gear 1; 4. Scraper 1; 5. Scraper 2; 6. Feed hopper; 7. Air pump; 8. Inlet pipe; 9. Filter box; 901. Box body; 902. Filter screen; 903. Auger; 904. Discharge pipe; 10. Transmission rod; 11. Cam; 12. Transmission gear 2; 13. Transmission gear 1; 14. Bevel gear 2; 15. Breaking rod; 16. Support frame; 17. Exhaust pipe; 18. Servo motor. DETAILED DESCRIPTION

[0024] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0025] Embodiment 1:

[0026] Please combine Figure 1-4 A graphite powder mixing device for graphite material production in this embodiment includes a mixing box 1 and an air pump 7. A support frame 16 is fixedly connected to the bottom of the mixing box 1. A stirring column 2 is rotatably connected inside the mixing box 1. A bevel gear 3 is fixedly connected to the top of the stirring column 2. A scraper 4 is fixedly connected to the bottom of the stirring column 2. A scraper 2 5 is fixedly connected to one side of the stirring column 2. The scraper 2 5 can not only mix the graphite powder, but also scrape off the graphite powder adsorbed on the inner wall of the mixing box 1. A feed hopper 6 is connected to one side of the top of the mixing box 1. A return port connected to the bottom of the filter box 9 is opened on the top of the mixing box 1. A valve is installed on the discharge pipe at the bottom of the mixing box 1.

[0027] The air pump 7 can be used to extract the graphite powder dust in the mixing box 1. The model of the air pump 7 is VFY90L. The air inlet of the air pump 7 is fixedly connected to one side of the mixing box 1, and the air outlet of the air pump 7 is fixedly connected to an air inlet pipe 8. The other end of the air inlet pipe 8 is connected to a filter box 9. A filter screen 902 is slidably connected inside the filter box 9. An auger 903 is rotatably connected to the bottom of the filter box 9. One end of the auger 903 is fixedly connected to a transmission wheel 13. The top of the filter box 9 is connected to an exhaust pipe 17. The filter box 9 includes a box body 901. The bottom of the right side of the box body 901 is connected to a discharge pipe 904. The right side of the bottom of the discharge pipe 904 is connected to the mixing box 1. One end of the auger 903 penetrates the discharge pipe 904 and extends to the right side outside the discharge pipe 904. The other end of the exhaust pipe 17 is connected to the feed hopper 6. The end of the exhaust pipe 17 located inside the feed hopper 6 is inclined downward. The air discharged from the exhaust pipe 17 passes through the inlet The hopper 6 blows toward the mixing box 1 to form a negative pressure effect. A transmission rod 10 is rotatably connected inside the filter box 9. The front and back sides of the filter box 9 are fixedly connected with inclined baffles. When the dust accumulated on the filter screen 902 is shaken off, the inclined baffles will gather the graphite powder dust onto the auger 903. The auger 903 is located at the bottom between the two baffles. The other end of the transmission rod 10 is rotatably connected to the feed hopper 6. One end of the transmission rod 10 is fixedly connected to a cam 11. The surface of the cam 11 abuts against the filter screen 902. A transmission wheel 2 12 is fixedly connected to the outside of the transmission rod 10. One end of the transmission rod is fixedly connected to a servo motor. The transmission wheel 2 12 is connected to the transmission wheel 1 13 through a conveyor belt transmission. A bevel gear 2 14 is fixedly connected to the middle part of the transmission rod 10. The bevel gear 2 14 is meshed with the bevel gear 1 3. The transmission rod 10 is located on the outside of the feed hopper 6 and is fixedly connected with breaking rods 15 at equal intervals.

[0028] When the transmission rod 10 rotates, the breaking rod 15 can disperse the input graphite powder raw material to prevent the graphite powder from agglomerating and make the graphite powder mixed more fully.

[0029] When the air pump 7 is working, the air in the mixing box 1 first enters the filter box body 901 through the air inlet pipe 8, is discharged from the exhaust pipe 17 into the feed hopper 6, and finally returns to the mixing box 1, forming a negative pressure effect. When mixing the graphite powder, the graphite powder raw material can also be added.

[0030] The implementation principle of a graphite powder mixing device for graphite material production in the embodiment of the present application is as follows: start the servo motor 18, start the air pump 7, the bevel gear 2 14 drives the bevel gear 1 3 to rotate, and the stirring column 2 works at the same time, the graphite powder raw material is put into the feed hopper 6, the breaking rod 15 breaks up the graphite powder raw material for easy mixing, the air pump 7 sends the floating graphite powder raw material into the filter box 9 through the air inlet pipe 8, the graphite powder dust is filtered by the filter screen 902, and the graphite powder dust on the filter screen 902 is shaken off by the rotation of the cam 11, and the graphite powder dust falls into the auger 903 through the aggregation of the baffle, and the rotating auger 903 sends the graphite powder dust into the mixing box 1 through the return port. After sufficient mixing, open the valve and collect the graphite powder.

[0031] During the operation, the air pump 7 does not need to work all the time. When there is too much dust accumulated at the bottom of the filter screen 902, the air pump 7 can be stopped briefly to allow the cam 11 to shake off the graphite dust and send it back to the mixing box 1 through the rotation of the auger 903. The servo motor 18 only works during the feeding process and the mixing process.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A graphite powder mixing device for graphite material production, characterized in that: include: A mixing box (1), wherein a stirring column (2) is rotatably connected inside the mixing box (1), a bevel gear 1 (3) is fixedly connected to the top of the stirring column (2), a scraper 1 (4) is fixedly connected to the bottom of the stirring column (2), a scraper 2 (5) is fixedly connected to one side of the stirring column (2), a feed hopper (6) is connected to one side of the top of the mixing box (1), and a valve is installed at the discharge pipe at the bottom of the mixing box (1); An air pump (7), wherein the air inlet of the air pump (7) is fixedly connected to one side of the mixing box (1), the air outlet of the air pump (7) is fixedly connected to an air inlet pipe (8), the other end of the air inlet pipe (8) is connected to a filter box (9), a filter screen (902) is slidably connected inside the filter box (9), an auger (903) is rotatably connected to the bottom of the filter box (9), one end of the auger (903) is fixedly connected to a transmission wheel (13), the top of the filter box (9) is connected to an exhaust pipe (17), the other end of the exhaust pipe (17) is connected to the feed hopper (6), and the filter box (9) is rotatably connected to the inside of the filter box (9). A transmission rod (10) is rotatably connected to the transmission rod (10), the other end of the transmission rod (10) is rotatably connected to the feed hopper (6), one end of the transmission rod (10) is fixedly connected to a cam (11), the outer side of the transmission rod (10) is fixedly connected to a transmission wheel 2 (12), the transmission wheel 2 (12) and the transmission wheel 1 (13) are connected through a conveyor belt transmission, the middle part of the transmission rod (10) is fixedly connected to a bevel gear 2 (14), the bevel gear 2 (14) is meshed with the bevel gear 1 (3), and the transmission rod (10) is located inside the feed hopper (6) and is fixedly connected to the outer side thereof at equal intervals with a breaking rod (15).

2. A graphite powder mixing device for graphite material production according to claim 1, characterized in that: A support frame (16) is fixedly connected to the bottom of the mixing box (1).

3. The graphite powder mixing device for graphite material production according to claim 1, characterized in that: The surface of the cam (11) abuts against the filter screen (902).

4. The graphite powder mixing device for graphite material production according to claim 1, characterized in that: The filter box (9) comprises a box body (901), the bottom of the right side of the box body (901) is connected to a discharge pipe (904), the right side of the bottom of the discharge pipe (904) is connected to the mixing box (1), and one end of the auger (903) passes through the discharge pipe (904) and extends to the right side outside the discharge pipe (904).

5. The graphite powder mixing device for graphite material production according to claim 1, characterized in that: One end of the exhaust pipe (17) located inside the feed hopper (6) is arranged to be inclined downward.

6. The graphite powder mixing device for graphite material production according to claim 1, characterized in that: The top of the mixing box (1) is provided with a return port which is connected to the bottom of the filtering box (9).

7. The graphite powder mixing device for graphite material production according to claim 1, characterized in that: The front and back sides of the filter box (9) are fixedly connected with inclined baffles, and the auger (903) is located at the bottom between the two baffles.

8. The graphite powder mixing device for graphite material production according to claim 1, characterized in that: One end of the transmission rod (10) is fixedly connected to a servo motor (18).

Images