CN116328921A

CN116328921A - Crushing device with auxiliary blanking structure for silicon powder processing

Info

Publication number: CN116328921A
Application number: CN202310466055.0A
Authority: CN
Inventors: 彭绍发; 张世伟; 陈林; 张�杰; 毛尚伟
Original assignee: Ya'an Jianyin Building Materials Group Co ltd
Current assignee: Ya'an Jianyin Building Materials Group Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-06-27

Abstract

The invention discloses a crushing device with an auxiliary blanking structure for silicon powder processing, which relates to the technical field of silicon powder processing, and particularly relates to a crushing device with an auxiliary blanking structure for silicon powder processing. This silica flour processing is with breaker that has supplementary unloading structure has offered the striker plate through the inner wall of storage silo and has made the silica flour can only fall on the thumb wheel of one side to make thumb wheel carry out unidirectional rotation along with the silica flour is automatic, and then make thumb wheel carry out directional thumb, avoid the material to pile up, and the material will be hindered thumb wheel's rotation and carry out timely locking when too much, the effectual automation control who carries out unloading speed moves the mill and makes the silica flour gradually to the removal all around by the central point of mill for cone structure, greatly increased grinding area, thereby improved the production efficiency of silica flour.

Description

Crushing device with auxiliary blanking structure for silicon powder processing

Technical Field

The invention relates to the technical field of silicon powder processing, in particular to a crushing device with an auxiliary blanking structure for silicon powder processing.

Background

The silicon powder is also called micro silicon powder, the academic name is silica fume, the fume escaping with waste gas is collected and treated by a special collecting device in the process of smelting industrial silicon and ferrosilicon in the high temperature of an industrial electric furnace, the fume escaping with waste gas is collected and treated by the special collecting device in the process of smelting industrial silicon and ferrosilicon in the high temperature of the industrial electric furnace, the content of SiO2 in the escaping fume accounts for about 90 percent of the total amount of the fume, the granularity is very small, and the average granularity is almost in nano level, so the silica fume is called silica fume.

The main application of the metal silicon is as additive of non-iron base alloy, the metal silicon is a product prepared by smelting quartz and coke in an electric furnace, the content of main component silicon element is about 98% (in recent years, si content is 99.99% and the metal silicon is also contained in the metal silicon), the rest impurities are iron, aluminum, calcium and the like, the appearance of the metal silicon is gray brown and has metal luster, hard and brittle silicon blocks, the metal silicon powder is also called industrial silicon powder, the finished silicon powder prepared by industrial processing of the silicon blocks is classified into coarse powder, fine powder, superfine powder, and the metal silicon powder can be used as main raw materials of high-temperature refractory materials, iron, aluminum alloy, silica sol, organic silicon and the like. The production of metal silicon powder by using silicon blocks as raw material has several methods. The effect is better, and the application is more: ball milling, roller milling, impact spinning, etc., and the main equipment thereof: the ball mill, the roller mill and the impact rotary mill are different in powder preparation to meet the technical requirements of quality, the former two are extrusion grinding and crushing under the gravity, and the latter is impact fine crushing. Polysilicon is a result of multiple chemical reactions performed on raw materials such as silicon powder, and is a single crystal silicon which can be drawn by polysilicon, and is an electronic information base material of semiconductor devices such as modern artificial intelligence, automatic control, information processing, photoelectric conversion and the like.

The prior patent (publication number: CN 215964086U) discloses a crushing device for processing metal silicon powder, which comprises a base, wherein a motor is fixedly arranged at the top of the base, a crushing main body is fixedly arranged at the other side of the top of the base, a belt pulley is rotatably arranged on the rear surface of the crushing main body, a belt is arranged between the belt pulley and the motor, the motor and the belt pulley are installed through belt transmission, and an integrated charging hopper is welded at the top of the crushing main body; through setting up balanced lid at the top of loading hopper, when adding the raw materials, can be directly put in the top of balanced lid with the raw materials, make the raw materials fall into broken main part through gravity effect, have the raw materials to fly out when can preventing the breakage simultaneously, and balanced lid can prevent the dust that broken in-process produced from flying out, prevent environmental pollution, through setting up the safety cover in the outside of flywheel, can prevent to touch the flywheel through the safety cover of installation, the safety cover is established through the card simultaneously and is installed, the dismouting of being convenient for overhauls the flywheel and maintains, the practicality of the device has been improved. However, the existing silicon powder processing and crushing device does not perform pretreatment during crushing treatment, so that massive metal silicon is accumulated and blocked in the crushing device, the blanking of a material conveying structure is unsmooth, and the damage of a crushing cutter is increased due to massive metal silicon, so that the service life of the cutter is shortened, and the defects of use requirements of people and the like cannot be well met.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a crushing device with an auxiliary blanking structure for silicon powder processing, which solves the problems that the blanking of the conveying structure is unsmooth, the abrasion of a crushing cutter is increased and the service life of the cutter is shortened due to massive metal silicon and the like.

In order to achieve the above purpose, the invention is realized by the following technical scheme: the crushing device with the auxiliary blanking structure for silicon powder processing comprises a box body, wherein the inner wall of the box body is fixedly connected with a crushing mechanism, a blanking mechanism and a grinding mechanism respectively, the top of the box body is fixedly connected with a feed inlet, one side of the box body is fixedly connected with a discharge outlet, the inner wall of the feed inlet is fixedly connected with a supporting rod, the middle part of the supporting rod is movably connected with two baffle plates, and the bottoms of the two baffle plates are fixedly connected with torsion springs;

the blanking mechanism comprises a filter plate fixedly connected with the inner wall of the box body, a stock bin is fixedly connected with the bottom of the filter plate, a rotating shaft is fixedly connected with the bottom of the stock bin, and a stirring wheel is movably connected with the outer wall of the rotating shaft.

Optionally, the crushing mechanism includes two pneumatic telescopic links of inner wall fixedly connected with of box, two the equal fixedly connected with quartering hammer of one end of pneumatic telescopic link, the bottom fixedly connected with brush strip of quartering hammer.

Optionally, the two breaking hammers are symmetrically distributed about the central axis of the box body.

Optionally, the bottom of the brush strip is attached to the top of the filter plate.

Optionally, a baffle plate matched with the stirring wheel is arranged on the inner wall of the storage bin.

Optionally, the grinding mechanism includes the inner wall fixedly connected with bracing piece of box, the one end fixedly connected with quiet mill of bracing piece, the bottom swing joint of quiet mill has movable mill, the bottom fixedly connected with power roller of movable mill, the middle part swing joint of power roller has the bearing, the one end fixedly connected with motor of power roller, the outer wall fixedly connected with bottom plate of bearing, the top fixedly connected with hob of movable mill, the top swing joint of hob has spacing sleeve.

Optionally, the top and the bottom of the static grinding disc are both cone concave structures.

Optionally, the movable millstone is a cone structure matched with the bottom of the static millstone.

Optionally, the outer wall of hob is laminated with the inner wall of quiet mill.

Optionally, the two baffles are symmetrically distributed about the central axis of the strut.

The invention provides a crushing device with an auxiliary blanking structure for silicon powder processing, which has the following beneficial effects:

1. this silica flour processing is with breaker that has supplementary unloading structure carries out hammering breakage through breaking mechanism with the massive metal silicon that gets into by the feed inlet to the silicon material of being convenient for carries out follow-up processing operation by the filter, through preliminary treatment to metal silicon, the silicon material of being convenient for smoothly carries in the conveying part, thereby promoted the transmission efficiency of silicon material greatly, central axis symmetric distribution about the box between two quartering hammers makes the quartering hammer break metal silicon in the central point of filter, thereby in the silicon slag after making breaking filters the stock storehouse by the filter fast, avoid metal silicon to slide into the dead angle and can't carry out material transmission.

2. This silica flour processing is with breaker that has supplementary unloading structure makes the brush strip clean the silica gel on the filter through the bottom of brush strip and the top laminating of filter and goes into storage silo to avoid the filtration hole of filter to take place to block up, improved broken filterable efficiency of material greatly, the striker plate that makes silica gel can only fall on the stirring wheel of one side with stirring wheel looks adaptation has been seted up to the inner wall of storage silo, thereby make stirring wheel carry out unidirectional rotation along with the silica gel is automatic, and then make stirring wheel carry out directional stirring, avoid the material to pile up, and will hinder stirring wheel's rotation to carry out timely locking when the material is too much, effectually carry out the automated control of unloading speed.

3. This silica flour processing is with breaker that has supplementary unloading structure makes the top of quiet mill carry out the transient transfer to the silica flour material and pauses through the top and the bottom of quiet mill are cone concave surface structure to effectively regulate and control the feed rate of grinding silica flour, move the cone structure that the mill is the bottom looks adaptation with quiet mill and make the silica flour remove all around gradually by the central point of mill, greatly increased grinding area, thereby improved the production efficiency of silica flour.

4. This silica flour processing is with breaker that has supplementary unloading structure, the outer wall through the hob is laminated with the inner wall of quiet mill mutually makes the hob carry the grinding region between movable millstone and the quiet mill with the piled up material in quiet mill top automatically, the effectual transportation of grinding material that has accelerated, make the metal silicon get into in the box behind the axis symmetric distribution about branch between two baffles, two baffles receive the effort of torsional spring to carry out automatic closure, the silicon slag splashes out the box when avoiding the metal silicon breakage, thereby lead to operational environment pollution and operating personnel to have the potential safety hazard.

Drawings

FIG. 1 is a schematic elevational view in full section of the present invention;

FIG. 2 is a schematic diagram of the front half-section structure of the present invention;

FIG. 3 is a schematic top half-sectional view of the present invention;

FIG. 4 is an enlarged schematic view of the structure of FIG. 1 according to the present invention;

FIG. 5 is an enlarged schematic view of the structure of the present invention at B in FIG. 1;

FIG. 6 is an enlarged schematic view of the structure of FIG. 1 according to the present invention;

fig. 7 is an enlarged schematic view of the structure of fig. 1 at D according to the present invention.

In the figure: 1. a case; 2. a crushing mechanism; 201. a pneumatic telescopic rod; 202. a breaking hammer; 203. a brush strip; 3. a blanking mechanism; 301. a filter plate; 302. a storage bin; 303. a rotating shaft; 304. a stirring wheel; 4. a grinding mechanism; 401. a support rod; 402. static grinding disc; 403. a movable millstone; 404. a power roller; 405. a bearing; 406. a motor; 407. a bottom plate; 408. a screw rod; 409. a limit sleeve; 5. a feed inlet; 6. a discharge port; 7. a support rod; 8. a baffle; 9. and (3) a torsion spring.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 7, the present invention provides a technical solution: the crushing device with the auxiliary blanking structure for silicon powder processing comprises a box body 1, wherein the inner wall of the box body 1 is fixedly connected with a crushing mechanism 2, a blanking mechanism 3 and a grinding mechanism 4 respectively, the top of the box body 1 is fixedly connected with a feed inlet 5, one side of the box body 1 is fixedly connected with a discharge outlet 6, the inner wall of the feed inlet 5 is fixedly connected with a supporting rod 7, the middle part of the supporting rod 7 is movably connected with two baffle plates 8, and the bottoms of the two baffle plates 8 are fixedly connected with torsion springs 9;

the discharging mechanism 3 comprises a filter plate 301 fixedly connected with the inner wall of the box body 1, a stock bin 302 fixedly connected with the bottom of the filter plate 301, a rotating shaft 303 fixedly connected with the bottom of the stock bin 302, and a stirring wheel 304 movably connected with the outer wall of the rotating shaft 303.

In this embodiment, as shown in fig. 2, the crushing mechanism 2 includes two pneumatic telescopic rods 201 fixedly connected to the inner wall of the case 1, one ends of the two pneumatic telescopic rods 201 are fixedly connected to a crushing hammer 202, and the bottom of the crushing hammer 202 is fixedly connected to a brush bar 203; it should be noted that, the bulk metal silicon entering from the feed inlet 5 is hammered and crushed by the crushing mechanism 2, so that the silicon material is convenient to be subjected to subsequent processing operation by the filter plate 301, and the silicon material is convenient to be smoothly conveyed in the conveying component by preprocessing the metal silicon, so that the conveying efficiency of the silicon material is greatly improved.

In this embodiment, as shown in fig. 3, two breaking hammers 202 are symmetrically distributed about the central axis of the case 1; it should be noted that, through the symmetrical distribution about the central axis of the box 1 between the two breaking hammers 202, the breaking hammers 202 break the metal silicon at the central position of the filter plate 301, so that the broken silicon slag is rapidly filtered into the storage bin 302 by the filter plate 301, and the situation that the metal silicon slides into dead corners and cannot be transported is avoided.

In this embodiment, as shown in fig. 5, the bottom of the brush bar 203 is attached to the top of the filter plate 301; it should be noted that, the bottom of the brush strip 203 is attached to the top of the filter plate 301, so that the brush strip 203 cleans the silica slag on the filter plate 301 into the stock bin 302, thereby avoiding the blockage of the filter holes of the filter plate 301 and greatly improving the efficiency of crushing and filtering materials.

In this embodiment, as shown in fig. 6, a baffle plate adapted to the material stirring wheel 304 is provided on the inner wall of the material storage bin 302; it should be noted that, the baffle plate adapted to the stirring wheel 304 is provided on the inner wall of the storage bin 302, so that the silicon slag can only fall on the stirring wheel 304 on one side, and the stirring wheel 304 automatically rotates unidirectionally along with the silicon slag, so that the stirring wheel 304 can stir materials directionally, material accumulation is avoided, and the rotation of the stirring wheel 304 is prevented from being locked in time when the materials are excessive, so that the automatic control of the blanking speed is effectively performed.

In this embodiment, as shown in fig. 1, 6 and 7, the grinding mechanism 4 includes a support rod 401 fixedly connected to an inner wall of the box 1, one end of the support rod 401 is fixedly connected with a static grinding disc 402, a bottom of the static grinding disc 402 is movably connected with a movable grinding disc 403, a bottom of the movable grinding disc 403 is fixedly connected with a power roller 404, a middle part of the power roller 404 is movably connected with a bearing 405, one end of the power roller 404 is fixedly connected with a motor 406, an outer wall of the bearing 405 is fixedly connected with a bottom plate 407, a top of the movable grinding disc 403 is fixedly connected with a screw rod 408, and a top of the screw rod 408 is movably connected with a limit sleeve 409; the silicon slag is finely ground by the grinding mechanism 4, so that the use standard of the silicon powder is achieved.

In this embodiment, as shown in fig. 1, the top and bottom of the static grinding disc 402 are both cone concave structures; it should be noted that, the top and the bottom of the static grinding disc 402 are both in cone concave structures, so that the top of the static grinding disc 402 performs short transit pause on the silicon slag material, and the feeding speed of grinding silicon slag is effectively regulated and controlled.

In this embodiment, as shown in fig. 1, the movable grinding disc 403 has a cone structure adapted to the bottom of the static grinding disc 402; it should be noted that, the cone structure adapted to the bottom of the static grinding disc 402 through the moving grinding disc 403 gradually moves the silicon slag from the center of the grinding disc to the periphery, so that the grinding area is greatly increased, and the production efficiency of silicon powder is improved.

In this embodiment, as shown in fig. 7, the outer wall of the screw 408 is attached to the inner wall of the static grinding disc 402; it should be noted that, the outer wall of the screw rod 408 is attached to the inner wall of the static grinding disc 402, so that the screw rod 408 automatically conveys the materials stacked on the top of the static grinding disc 402 to the grinding area between the movable grinding disc 403 and the static grinding disc 402, and the conveying of the grinding materials is effectively accelerated.

In this embodiment, as shown in fig. 4, two baffles 8 are symmetrically distributed about the central axis of the strut 7; it should be noted that, after metal silicon enters the box 1 through the central axis symmetric distribution of the support rod 7 between the two baffles 8, the two baffles 8 are automatically closed under the action of the torsion spring 9, so that the silicon slag is prevented from splashing out of the box 1 when the metal silicon is broken, and the pollution to the working environment and the potential safety hazard of operators are caused.

In summary, this breaker with supplementary unloading structure is used in silica flour processing, when using, place metal silicon at feed inlet 5, metal silicon's weight makes two baffles 8 extrusion torsional spring 9, thereby make two baffles 8 rotate along branch 7, metal silicon slides in box 1 by both sides clearance, along with the metal silicon landing at baffle 8 top, two baffles 8 receive torsional spring 9's effort to expand, thereby realize automatic closure to feed inlet 5, avoid the silicon sediment to splash out of box 1 when metal silicon is broken, thereby lead to operational environment pollution and operating personnel to have the potential safety hazard, start pneumatic telescopic link 201, pneumatic telescopic link 201 drives quartering hammer 202 and carries out straight reciprocating motion, thereby make each other between two quartering hammers 202, hammer metal silicon into silicon sediment, tiny silicon sediment falls into storage bin 302 along with the clearance of the brush strip 203 of quartering hammer 202 bottom through filter 301, the silicon slag in the storage bin 302 gathers on the stirring wheel 304, thereby driving the stirring wheel 304 to rotate through the gravity of the silicon slag, along with the rotation of the stirring wheel 304, the silicon slag falls into the top of the static grinding disc 402 to be piled up, along with the continuous piling up, when the silicon slag is piled up too much, the silicon slag can obstruct the lower side of the stirring wheel 304 to rotate, thereby leading the stirring wheel 304 to lock, effectively and automatically controlling the blanking speed, avoiding the overflow of the silicon slag or the insufficient precision of grinding caused by too fast blanking, starting a motor 406, the output shaft of the motor 406 drives a power roller 404 to rotate in a bearing 405, thereby enabling a movable grinding disc 403 at one end of the power roller 404 to rotate, driving a screw rod 408 to rotate, thereby driving the silicon slag at the top of the static grinding disc 402 to be blanked, changing the blanking speed of the silicon slag along with the rotation speed of the movable grinding disc 403 through the screw rod 408, the blanking speed of effectual supplementary silica slag, when the silica slag falls into between quiet mill 402 and the movable millstone 403, two millstones grind the silica slag, and scatter all around along with the grinding simultaneously, until by the edge slip of mill at last, fall into on the bottom plate 407, gather to discharge gate 6 back discharge box 1 along the inclined plane of bottom plate 407.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. Silica flour processing is with breaker that has supplementary unloading structure, including box (1), its characterized in that: the novel grinding device comprises a box body (1), wherein the inner wall of the box body (1) is fixedly connected with a crushing mechanism (2), a discharging mechanism (3) and a grinding mechanism (4) respectively, the top of the box body (1) is fixedly connected with a feed inlet (5), one side of the box body (1) is fixedly connected with a discharge outlet (6), the inner wall of the feed inlet (5) is fixedly connected with a supporting rod (7), the middle part of the supporting rod (7) is movably connected with two baffle plates (8), and the bottoms of the two baffle plates (8) are fixedly connected with torsion springs (9);

the blanking mechanism (3) comprises a filter plate (301) fixedly connected to the inner wall of the box body (1), a stock bin (302) is fixedly connected to the bottom of the filter plate (301), a rotating shaft (303) is fixedly connected to the bottom of the stock bin (302), and a stirring wheel (304) is movably connected to the outer wall of the rotating shaft (303).

2. A silicon powder processing crushing device with an auxiliary blanking structure as set forth in claim 1, wherein: the crushing mechanism (2) comprises two pneumatic telescopic rods (201) fixedly connected with the inner wall of the box body (1), crushing hammers (202) are fixedly connected with one ends of the two pneumatic telescopic rods (201), and hairbrush strips (203) are fixedly connected with the bottoms of the crushing hammers (202).

3. A silicon powder processing crushing device with an auxiliary blanking structure as set forth in claim 2, wherein: the two breaking hammers (202) are symmetrically distributed about the central axis of the box body (1).

4. A silicon powder processing crushing device with an auxiliary blanking structure as set forth in claim 2, wherein: the bottom of the hairbrush strip (203) is attached to the top of the filter plate (301).

5. A silicon powder processing crushing device with an auxiliary blanking structure as set forth in claim 1, wherein: the inner wall of the stock bin (302) is provided with a baffle plate which is matched with the material stirring wheel (304).

6. A silicon powder processing crushing device with an auxiliary blanking structure as set forth in claim 1, wherein: grinding mechanism (4) are including inner wall fixedly connected with bracing piece (401) of box (1), the one end fixedly connected with quiet mill (402) of bracing piece (401), the bottom swing joint of quiet mill (402) has movable mill (403), the bottom fixedly connected with power roller (404) of movable mill (403), the middle part swing joint of power roller (404) has bearing (405), the one end fixedly connected with motor (406) of power roller (404), the outer wall fixedly connected with bottom plate (407) of bearing (405), the top fixedly connected with hob (408) of movable mill (403), the top swing joint of hob (408) has stop collar (409).

7. A silicon powder processing crushing device with auxiliary blanking structure as set forth in claim 6, wherein: the top and the bottom of the static grinding disc (402) are both cone concave structures.

8. A silicon powder processing crushing device with auxiliary blanking structure as set forth in claim 6, wherein: the movable millstone (403) is of a cone structure matched with the bottom of the static millstone (402).

9. A silicon powder processing crushing device with auxiliary blanking structure as set forth in claim 6, wherein: the outer wall of the screw rod (408) is attached to the inner wall of the static grinding disc (402).

10. A silicon powder processing crushing device with an auxiliary blanking structure as set forth in claim 1, wherein: the two baffles (8) are symmetrically distributed about the central axis of the supporting rod (7).