Graphite crucible protective material crushing device

Abstract

The utility model particularly relates to a graphite crucible protective material crushing device. Comprising a conveying device and a crushing device, the crushing device is arranged below the conveying device and comprises a crushing box with an opening in the top, and a first crushing mechanism, a second crushing mechanism, a first crushing roller and a second crushing roller are arranged in the crushing box from top to bottom; the second crushing mechanism comprises a third crushing roller, a fourth crushing roller, a fifth crushing roller and a sixth crushing roller, crushing teeth are arranged on the first crushing roller, the second crushing roller, the third crushing roller, the fourth crushing roller, the fifth crushing roller and the sixth crushing roller, a discharging opening is formed in the bottom of the crushing box, and a screening device is connected to the bottom of the discharging opening; twice crushing is performed in the crushing box through the crushing mechanism I and the crushing mechanism II. The vibration motor drives the steel balls to move to collide with materials on the second filter screen, and the materials are crushed, fall to the bottom of the screen barrel through meshes in the second filter screen and are finally discharged through the second discharging pipe.

Description

Technical Field

[0001] The utility model relates to the field of crushing equipment, in particular to a graphite crucible protective material crushing device. Background Art

[0002] Graphite crucibles are resistant to high temperatures, have a small thermal expansion coefficient, are highly resistant to acid and alkaline solutions, and have excellent chemical corrosion resistance. Therefore, they are widely used in the smelting of steel and the smelting of non-ferrous metals and their alloys in metallurgy, casting, machinery, chemical industry and other industrial sectors. However, graphite is prone to oxidation, so the surface of graphite needs to be coated with high-temperature resistant paint. The raw materials of the paint need to be processed and crushed into powder. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a graphite crucible protective material crushing device.

[0004] The technical solution of the utility model is implemented as follows: a graphite crucible protective material crushing device, including a conveying device and a crushing device, the conveying device includes two spaced and inclined frames, a plurality of transmission rollers are arranged between the frames, a conveyor belt is connected to the transmission roller, one of the transmission rollers is connected to a driving motor 1, the lower part of the conveyor belt is a feed port, the upper part is a discharge port, a crushing device is arranged below the discharge port of the conveyor belt, the bottom of the crushing device is connected to a screening device, the screening device includes a screening barrel, a filter screen 1 and a filter screen 2 are arranged in the screening barrel, and a filter screen 2 is arranged on the top of the screening barrel. A feeding pipe and a vibration motor are installed in the middle position of the bottom of the screen barrel, a number of circumferentially distributed springs are connected to the bottom of the screen barrel, a connecting plate is connected to the bottom of the spring, and a supporting leg one is connected to the four corners of the bottom of the connecting plate. A discharge pipe one is connected to the side of the screen barrel and located above the filter screen one, and a discharge pipe two is connected to the side of the screen barrel and located above the bottom plate of the screen barrel. A partition one is arranged on the top of the filter screen two, and the partition one coincides with the center line of the filter screen two. The partition one is vertically connected to the partition two, and the partition one and the partition two divide the filter screen two into four areas, and steel balls are distributed in the four areas.

[0005] The crushing device includes a crushing box with an opening on the top, a supporting ring is fixedly connected to the outside of the crushing box, and four corners of the bottom of the supporting ring are fixedly connected to supporting legs 2, and a crushing mechanism 1 and a crushing mechanism 2 are respectively arranged in the crushing box from top to bottom, the crushing mechanism 1 includes a crushing roller 1 and a crushing roller 2 which are parallel to each other, and the directions of the crushing roller 1 and the crushing roller 2 are opposite, the crushing mechanism 2 includes a crushing roller 3, a crushing roller 4, a crushing roller 5, and a crushing roller 6 which are parallel to each other, and the directions of the crushing roller 3 and the crushing roller 4 are opposite, and the directions of the crushing roller 5 and the crushing roller 6 are opposite, and the crushing roller 1, the crushing roller 2, the crushing roller 3, the crushing roller 4, the crushing roller 5, and the crushing roller 6 are all provided with crushing teeth, and the bottom of the crushing box is a discharge port, and the discharge port is connected with the feed pipe of the screen barrel.

[0006] The bottom of the partition plate 1 and the partition plate 2 are fixedly connected to the bottom of the filter screen 2, and the top of the partition plate 1 and the partition plate 2 are fixedly connected to the bottom of the filter screen 1.

[0007] A corrugated pipe is connected between the discharge port at the bottom of the crushing box and the feed pipe of the screen barrel.

[0008] The top surface of the conveyor belt is provided with a plurality of anti-skid protrusions along its length direction, and the anti-skid protrusions are of V-shaped structure.

[0009] The technical scheme of the utility model has the following positive effects: the utility model is provided with a transmission belt, which is inclined to convey the raw materials to the crushing box for crushing, and the raw materials are crushed twice in the crushing box by the crushing mechanism one and the crushing mechanism two, and the raw materials that have been crushed twice enter the screening device, and qualified materials are screened out; a filter screen one and a filter screen two are provided in the screening barrel, and the materials that can pass through the holes on the filter screen one will fall onto the filter screen two, and the materials that cannot be crushed by the steel balls will go out through the discharge pipe one for crushing, and the qualified materials that fall on the filter screen two will directly fall to the bottom of the screening barrel and be discharged through the discharge pipe two, and the unqualified materials on the filter screen two will be driven by the vibration motor to move the steel balls to collide with the materials on the filter screen two, so that the materials are crushed and finally fall to the bottom of the screening barrel through the mesh holes on the filter screen two, and finally discharged through the discharge pipe two. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model.

[0011] Figure 2 Schematic diagram of the conveyor belt structure.

[0012] Figure 3 The top view of the crushing box.

[0013] Figure 4 It is a schematic diagram of the connection between filter screen 2 and partition 1 and partition 2. DETAILED DESCRIPTION

[0014] like Figure 1-4As shown, a graphite crucible protective material crushing device includes a conveying device and a crushing device, the conveying device includes two spaced and inclined frames 1, a plurality of transmission rollers 2 are arranged between the frames 1, a conveyor belt 4 is connected to the transmission rollers 2, one of the transmission rollers 2 is connected to a driving motor 1, the lower part of the conveyor belt 4 is a feed port, and the upper part is a discharge port, a crushing device is arranged below the discharge port of the conveyor belt 4, the bottom of the crushing device is connected to a screening device, the screening device includes a screening barrel 14, and a screen barrel 14 is arranged inside There are filter screen 15 and filter screen 2 3, a feed pipe 18 is arranged on the top of the screen barrel 14, a vibration motor 23 is installed in the middle of the bottom of the screen barrel 14, a plurality of circumferentially distributed springs 20 are connected to the bottom of the screen barrel 14, a connecting plate 21 is connected to the bottom of the spring 20, and support legs 22 are connected to the four corners of the bottom of the connecting plate 21, a discharge pipe 16 is connected to the side of the screen barrel 14 and located above the filter screen 15, and a discharge pipe 2 18 is connected to the side of the screen barrel 14 and located above the bottom plate of the screen barrel 14;

[0015] Specifically, the raw materials that have been crushed twice enter the screen barrel 14, and the smaller materials fall through the holes on the filter screen 15 to the filter screen 2 3 below. The qualified materials fall from the holes on the filter screen 2 3 to the bottom of the screen barrel 14 and are finally discharged through the discharge pipe 2 18. The materials on the filter screen 15 that cannot fall from the holes to the bottom go out through the discharge pipe 16 and are crushed again.

[0016] The crushing device includes a crushing box 6 with an opening at the top, a support ring 26 is fixedly connected to the outside of the crushing box 6, and four corners of the bottom of the support ring 26 are fixedly connected to support legs 27. A crushing mechanism 1 and a crushing mechanism 2 are respectively arranged from top to bottom in the crushing box 6. The crushing mechanism 1 includes a crushing roller 1 7 and a crushing roller 2 8 which are parallel to each other, and the directions of the crushing roller 1 7 and the crushing roller 2 8 are opposite. The crushing mechanism 2 includes a crushing roller 3 9, a crushing roller 4 10, a crushing roller 5 11, and a crushing roller 6 12 which are parallel to each other, and the directions of the crushing roller 3 9 and the crushing roller 4 10 are opposite, and the directions of the crushing roller 5 11 and the crushing roller 6 12 are opposite. Crushing rollers 1 7, 2 8, 3 9, 4 10, 5 11, and 6 12 are all provided with crushing rollers. Crushing teeth, crushing roller 1 7, crushing roller 2 8, crushing roller 3 9, crushing roller 4 10, crushing roller 5 11, and crushing roller 6 12 are all connected to a driving motor, which is not shown in the figure. This is a prior art and will not be described in detail. The bottom of the crushing box 6 is a discharge port, and a screening device is connected to the bottom of the discharge port; a partition 1 24 is provided on the top of the filter screen 2 3, and the partition 1 24 coincides with the center line of the filter screen 2 3, and the partition 1 24 is vertically connected to the partition 2 25, and the partition 1 24 and the partition 2 25 divide the filter screen 2 3 into four areas, and steel balls 17 are distributed in the four areas; the bottom of the partition 1 24 and the partition 2 25 are fixedly connected to the bottom of the filter screen 2 3, and the top of the partition 1 24 and the partition 2 25 are fixedly connected to the bottom of the filter screen 1 15;

[0017] Specifically, the raw material is conveyed into the crushing box 6 through the conveyor belt 4, and first passes through the crushing roller 1 7 and the crushing roller 2 8. The crushing roller 1 and the crushing roller 2 8 crush the raw material for the first time, and then continue to fall to the position of the crushing mechanism 2. The crushing roller 3 9, the crushing roller 4 10, the crushing roller 5 11, and the crushing roller 6 12 crush the raw material for the second time. After two crushings, it enters the screening device, and the qualified ones will pass through the screening device to go out; the particle size of the material falling from the filter screen 15 has not reached the qualified level, and the vibration motor 23 is started to vibrate the steel ball 17, which collides with the unqualified material and crushes the material into qualified products. Finally, it falls to the bottom of the screen barrel 14 through the holes of the filter screen 2 3, and is finally discharged through the discharge pipe 2 18.

[0018] A bellows 19 is connected between the discharge port at the bottom of the crushing box 6 and the feed pipe of the screen barrel 14 .

[0019] The top surface of the conveyor belt 4 is provided with a plurality of anti-skid protrusions 13 along its length direction, and the anti-skid protrusions 13 are V-shaped structures; when the raw materials are on the conveyor belt 4, the anti-skid protrusions 13 play a role in blocking the raw materials.

Claims

1. A graphite crucible protective material crushing device, comprising a conveying device and a crushing device, characterized in that: The conveying device includes two frames that are spaced and inclined, and a plurality of transmission rollers are arranged between the frames. The transmission rollers are connected to a conveyor belt, and one of the transmission rollers is connected to a driving motor 1. The lower part of the conveyor belt is a feed port, and the upper part is a discharge port. A crushing device is arranged below the discharge port of the conveyor belt, and a screening device is connected to the bottom of the crushing device. The screening device includes a screen barrel, and filter screens 1 and 2 are arranged in the screen barrel. A feed pipe is arranged on the top of the screen barrel, and a vibration motor is installed in the middle of the bottom of the screen barrel. The bottom of the screen barrel is connected to several circumferentially distributed springs, the bottom of the spring is connected to a connecting plate, the four corners of the bottom of the connecting plate are connected to support legs one, the side of the screen barrel and located above the filter screen one is connected to a discharge pipe one, the side of the screen barrel and located above the bottom plate of the screen barrel is connected to a discharge pipe two, the top of the filter screen two is provided with a partition one, the partition one coincides with the center line of the filter screen two, the partition one is vertically connected to the partition two, the partition one and the partition two divide the filter screen two into four areas, and steel balls are distributed in the four areas.

2. The graphite crucible protective material crushing device according to claim 1, characterized in that: The crushing device includes a crushing box with an opening on the top, a supporting ring is fixedly connected to the outside of the crushing box, and four corners of the bottom of the supporting ring are fixedly connected to supporting legs 2, and a crushing mechanism 1 and a crushing mechanism 2 are respectively arranged in the crushing box from top to bottom, the crushing mechanism 1 includes a crushing roller 1 and a crushing roller 2 which are parallel to each other, and the directions of the crushing roller 1 and the crushing roller 2 are opposite, the crushing mechanism 2 includes a crushing roller 3, a crushing roller 4, a crushing roller 5, and a crushing roller 6 which are parallel to each other, and the directions of the crushing roller 3 and the crushing roller 4 are opposite, and the directions of the crushing roller 5 and the crushing roller 6 are opposite, and the crushing roller 1, the crushing roller 2, the crushing roller 3, the crushing roller 4, the crushing roller 5, and the crushing roller 6 are all provided with crushing teeth, and the bottom of the crushing box is a discharge port, and the discharge port is connected with the feed pipe of the screen barrel.

3. The graphite crucible protective material crushing device according to claim 1, characterized in that: The bottom of the partition plate 1 and the partition plate 2 are fixedly connected to the bottom of the filter screen 2, and the top of the partition plate 1 and the partition plate 2 are fixedly connected to the bottom of the filter screen 1.

4. The graphite crucible protective material crushing device according to claim 1, characterized in that: A corrugated pipe is connected between the discharge port at the bottom of the crushing box and the feed pipe of the screen barrel.

5. The graphite crucible protective material crushing device according to claim 1, characterized in that: The top surface of the conveyor belt is provided with a plurality of anti-skid protrusions along its length direction, and the anti-skid protrusions are of V-shaped structure.

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