CN107149964B

CN107149964B - Silica flour rubbing crusher

Info

Publication number: CN107149964B
Application number: CN201710591383.8A
Authority: CN
Inventors: 方红承; 周峭峰; 于定江; 曹华俊; 张陈亚; 曹炎华; 张伟
Original assignee: Hoshine Silicon Industry Co ltd
Current assignee: Hesheng Silicon Jiaxing Co ltd
Priority date: 2017-07-19
Filing date: 2017-07-19
Publication date: 2023-03-10
Anticipated expiration: 2037-07-19
Also published as: CN107149964A

Abstract

The invention discloses a silicon powder pulverizer, which comprises a shell, a motor, a rotating shaft, a feeding hole and a discharging hole, wherein the motor is arranged in the center of the shell and is connected with the rotating shaft extending into the inner cavity of the shell through a coupler; the feed inlet is arranged at the top of the machine shell, and the discharge outlet is arranged at the bottom of the machine shell; the symmetry is provided with multiunit reducing mechanism in the pivot, every group reducing mechanism all includes rotatory blade disc, blade disc frame and two row at least cutters, rotatory blade disc with pivot fixed connection, blade disc frame one end with rotatory blade disc is connected, and the other end is provided with the cutter. The invention aims to solve the problems that a feeding hole, a discharging hole and an inner lining plate of the existing silicon powder pulverizer are easy to wear, and the pulverizing and cutting efficiency of a single-row cutter is low.

Description

Silica flour rubbing crusher

Technical Field

The invention relates to the field of silicon powder crushing, in particular to a silicon powder crusher.

Background

The conventional pulverizer is not specially designed for metal silicon, so that a rotating sheet of the conventional pulverizer cannot adapt to the metal silicon, and the conventional pulverizer cannot produce silicon powder within the qualified particle size range. Some pulverizers can produce silicon powder with qualified particle size range, but the operation is easy to block due to unreasonable structure. The silicon powder pulverizer in the prior art achieves the purpose of pulverizing by impacting a silicon dioxide material through two parts which run oppositely.

And the blade disc knife rest of current silica flour rubbing crusher uses mostly single row cutter, because the single row cutter is too little at the area of contact who smashes silicon briquette process and silicon briquette, cause the silicon briquette to smash not enough evenly, thereby make silica flour output, the decline of quality, and the long single-load's of single row cutter work returns the spoilage that makes the cutter in addition increases, lead to frequent parking to change the cutter, relatively waste cutter, manual work and time, the product unit consumption is also higher, and production efficiency is lower.

Disclosure of Invention

In view of the above, the present invention provides a silicon powder crusher, which aims to solve the problem that the contact area between a single row of cutters of the existing silicon powder crusher and a silicon briquette is too small in the process of crushing the silicon briquette, so that the silicon briquette is not uniformly crushed, the yield and quality of the silicon powder are reduced, the unit consumption of the product is high, and the production efficiency is low.

In order to achieve the purpose, the invention provides the following technical scheme:

a silicon powder pulverizer comprises a shell, a motor, a rotating shaft, a feeding hole and a discharging hole, wherein the motor is arranged in the center of the shell and is connected with the rotating shaft extending into the inner cavity of the shell through a coupler; the feed inlet is arranged at the top of the machine shell, and the discharge outlet is arranged at the bottom of the machine shell;

the symmetry is provided with multiunit reducing mechanism in the pivot, every group reducing mechanism all includes rotatory blade disc, blade disc frame and two row at least cutters, rotatory blade disc with pivot fixed connection, blade disc frame one end with rotatory blade disc is connected, and the other end is provided with the cutter.

Preferably, a lining plate is provided on the inner wall circumference of the casing at a region corresponding to the horizontal direction of the crushing apparatus.

Preferably, the lining plates comprise longitudinal lining plates and transverse lining plates, and the transverse lining plates are fixed on the longitudinal lining plates.

Preferably, the cutters are arranged in two rows, and the extension lines of the two rows of cutters in the horizontal direction equally divide the longitudinal lining plate into three parts.

Preferably, the included angle between the transverse lining plate and the longitudinal lining plate is 30-90 degrees.

Preferably, the material discharging device further comprises a plurality of detachable blanking plates arranged above the material discharging port, and an angle of 90-180 degrees is formed between every two adjacent blanking plates.

Preferably, the blanking plates are arranged into 6 blocks, and included angles between two adjacent blanking plates are sequentially increased from top to bottom.

Preferably, the feed inlet sets up to 2, and the symmetry sets up respectively the both sides of pivot, just the feed inlet top is provided with detachable feed plate.

Preferably, the crushing device is further provided with a plurality of groups of crushing devices above the crushing device, and each group of crushing devices comprises a fixed disc and an impact block.

Preferably, the fixed disk is fixedly connected with the rotating shaft, and the impact block is arranged on the fixed disk.

According to the technical scheme, the silicon powder pulverizer comprises a shell, a motor, a rotating shaft, a feeding hole and a discharging hole, wherein the motor is arranged in the center of the shell and is connected with the rotating shaft extending into the inner cavity of the shell through a coupler; the feeding hole is arranged at the top of the shell, and the discharging hole is arranged at the bottom of the shell; the symmetry is provided with multiunit reducing mechanism in the pivot, and every reducing mechanism of group all includes rotatory blade disc, blade disc frame and two row at least cutters, and rotatory blade disc and pivot fixed connection, blade disc frame one end are connected with rotatory blade disc, and the other end is provided with the cutter. Because the rotating speed difference between the silicon blocks and the cutters is large, under the impact action of the cutters, stress is rapidly generated inside material particles, stress concentration is generated at internal defects, cracks and the like, the material is firstly crushed along the fragile interfaces, and simultaneously the silicon blocks are collided and crushed in a crushing area formed between at least two rows of cutters and the inner wall of the shell, so that the contact area between the cutters and the silicon blocks is increased, and the crushing process of changing the silicon blocks from blocks into powder is realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of a silicon powder pulverizer;

FIG. 2 is a schematic view of the construction of the liner plate;

FIG. 3 is a schematic structural diagram of a blanking plate;

wherein the reference numbers in the figures are as follows:

1-shell, 101-shell inner cavity, 2-motor, 3-rotating shaft, 4-feeding port, 401-feeding plate, 5-discharging port, 501-blanking plate, 6-coupler, 7-crushing device, 701-rotating cutter head, 702-cutter disc rack, 703-cutting knife, 8-lining plate, 801-longitudinal lining plate, 802-transverse lining plate, 9-crushing device, 901-fixed disc and 902-impact block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In one embodiment of the present invention, as shown in fig. 1, a silicon powder pulverizer comprises a casing 1, a motor 2, a rotating shaft 3, a feeding port 4 and a discharging port 5, wherein the motor 2 is arranged in the center of the casing 1 and is connected with the rotating shaft 3 extending into an inner cavity 101 of the casing through a coupling 6; feed inlet 4 sets up at casing 1 top, it is preferred, feed inlet 4 sets up to 2, the symmetry sets up the both sides at pivot 3 respectively, and feed inlet 4 top is provided with detachable, feed plate 401 made by wear-resistant material, when the silicon briquette adds the rubbing crusher and smashes, rebound silicon briquette can wear to casing inner chamber 101 among the crushing process, compare in the mode that feed inlet 4 short circuit set up among the prior art and set up the mode with rubbing crusher integration, feed inlet 4 can be worn by the mill after using half a year, the restoration of feed inlet 4 mill wear will move fire repair welding, and can remain a large amount of silica flour in long-term working process in the rubbing crusher, it has the danger of flash explosion to be heated during the move fire repair welding, and loaded down with trivial details time, and take this kind of detachable setting mode, can avoid the emergence of this kind of condition greatly, and convenient operation saves trouble, it needs to explain here, feed inlet 4 can set up to be a plurality ofly, also can adopt other materials to make, as long as can reach the same technological effect.

As shown in fig. 1 and fig. 3, the discharge port 5 is disposed at the bottom of the casing 1, and further includes a plurality of detachable blanking plates 501, the blanking plates 501 are disposed above the discharge port 5, preferably, the blanking plates 501 are disposed as 6 and made of wear-resistant material, here, it should be noted that the blanking plates 501 may be disposed in plurality or made of other materials as long as the same technical effect can be achieved. An angle of 90-180 degrees is formed between two adjacent blanking plates 501, and the included angle between two adjacent blanking plates 501 is sequentially increased from top to bottom; because feed inlet 4, discharge gate 5 is when carrying the silicon piece that is smashed, also produce the break-through phenomenon easily under the long-time behavior, and break-through repair will move fire repair, and the rubbing crusher has been filled with silica flour, silica flour is heated when moving fire has the danger of flashover, it needs extravagant one day process time to move fire operation simultaneously, it is loaded down with trivial details time-consuming, consequently, the problem that feed inlet 4, discharge gate 5 and rubbing crusher integration are worn through easily can be improved to flitch 501 detachable setting down, when feed plate 401 or lower flitch 501 wearing and tearing are serious, can dismantle to get off and change new, need not move fire repair welding, can save time and manual work, improve crushing efficiency.

The rotating shaft 3 is symmetrically provided with 2-6 groups of crushing devices 7, each group of crushing devices 7 comprises a rotating cutter head 701, a cutter head frame 702 and at least two rows of cutters 703, the rotating cutter head 701 is fixedly connected with the rotating shaft 3, one end of the cutter head frame 702 is connected with the rotating cutter head 701, the other end of the cutter head frame 702 is provided with the cutters 703, the arrangement of the at least two rows of cutters 703 enables silicon blocks to be crushed and moved in the space between the two rows of cutters 703 or the spaces between the multiple rows of cutters 703, compared with a single row of cutters, the design not only changes the route of silicon block feeding movement and crushing movement, but also increases the cutting and crushing time between the silicon blocks and the cutters 703 and the lining plate 8, improves the crushing efficiency, and preferentially selects the two rows of cutters, certainly also can select the multiple rows of cutters according to the actual situation and the field requirements of the process, and only can achieve the same technical effect.

As shown in fig. 1, a plurality of sets of crushing devices 9 are further disposed above the crushing device 7, each crushing device 9 includes a fixed disk 901 and an impact block 902, the fixed disk 901 is fixedly connected with the rotating shaft 3, and the impact block 902 is mounted on the fixed disk 901.

The lining plate of the existing silicon powder pulverizer is a smooth wear-resisting plate enclosed along the inner wall of a pulverizer shell, the position of a cutter in the pulverizer for pulverizing a silicon block is the middle position of the lining plate, when a single row of cutters perform pulverizing work, the cutter is worn at the position with the highest speed, the lining plate is impacted by the silicon block more and more along with the time, the thickness of the lining plate is thinner and thinner, the distance between the cutter and the lining plate is further far along with the abrasion of the lining plate, then the silicon block is collided in a pulverizing area formed between the cutter and the lining plate, the pulverizing space is gradually increased, the contact area between the cutter and the silicon block is gradually reduced, the pulverization of the silicon block cannot achieve the required effect, the yield and the quality of products are greatly reduced, further, the lining plate 8 is arranged on the circumference of the inner wall of the shell 1 and in an area corresponding to the horizontal direction of the pulverizer 7, the lining plate 8 is made of 10 spliced type and made of wear-resisting materials, the lining plate is convenient to be disassembled and assembled, the contact area between the silicon block and the lining plate 8 can achieve the same technical effect as a plurality of lining plates.

Further, as shown in fig. 2, the lining plate 8 includes a longitudinal lining plate 801 and a transverse lining plate 802, the transverse lining plate 802 is fixed on the longitudinal lining plate 801, the extension lines of the horizontal directions of the two rows of cutters 703 trisect the longitudinal lining plate 801, so that the silicon briquette can apply uniform stress to the lining plate 8 in all directions in the process of crushing to disperse the stress condition on a single point of the lining plate 8, thereby increasing the service life of the lining plate 8, reducing the degree of wear, forming an included angle of 30-90 degrees between the transverse lining plate 802 and the longitudinal lining plate 801, increasing the opposite tangent plane of the lining plate 8, increasing the contact area between the silicon briquette and the lining plate 8, and increasing the friction force.

The working process of the silicon powder pulverizer provided by the invention is as follows:

silicon blocks enter the crusher from a feed inlet 4 of the crusher along a feed plate 401, a rotating shaft 3 drives a crushing device 9 and a crushing device 7 to rotate at a high speed, and in the rotating process, the silicon blocks firstly pass through the crushing device 9, so that large silicon blocks are crushed into small silicon blocks, and the next crushing and grinding are facilitated; the silicon blocks continuously move downwards after passing through the crushing device 9, the silicon blocks pass through the crushing device 7, the crushing device 7 is sequentially provided with 2-6 groups from top to bottom, two rows of cutters 703 are arranged on the crushing device 7, because the rotating speed difference between the silicon blocks and the cutters 703 is large, stress is rapidly generated inside material particles under the impact action of the cutters 703, stress concentration is generated at internal defects, cracks and the like, the material is firstly crushed along the fragile interfaces, and simultaneously the silicon blocks are collided and crushed in a crushing area formed between the cutters 703 and the lining plate 8, so that the silicon blocks are crushed into powder from blocks under the action of a plurality of groups of crushing devices 7; the crushed silicon powder continues to flow downwards to the blanking plate 501, the blanking plate 501 is formed by splicing a plurality of blocks into a slope with a certain gradient, and the silicon powder falls to the discharge port 5 along the slope and is collected.

It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A silicon powder pulverizer is characterized by comprising a shell, a motor, a rotating shaft, a feeding hole and a discharging hole, wherein the motor is arranged in the center of the shell and is connected with the rotating shaft extending into the inner cavity of the shell through a coupler; the feed inlet is arranged at the top of the machine shell, and the discharge outlet is arranged at the bottom of the machine shell;

a plurality of groups of crushing devices are symmetrically arranged on the rotating shaft, each group of crushing devices comprises a rotating cutter, a cutter disc frame and at least two rows of cutters, the rotating cutter is fixedly connected with the rotating shaft, one end of the cutter disc frame is connected with the rotating cutter, and the other end of the cutter disc frame is provided with the at least two rows of cutters;

a lining plate is arranged on the circumference of the inner wall of the shell and in an area corresponding to the horizontal direction of the crushing device;

the lining plates comprise longitudinal lining plates and transverse lining plates, and the transverse lining plates are fixed on the longitudinal lining plates;

the cutters are arranged in two rows, and the extension lines of the two rows of cutters in the horizontal direction trisect the longitudinal lining plate;

the included angle between the transverse lining plate and the longitudinal lining plate is 30 to 90 degrees.

2. The silicon powder pulverizer as defined in claim 1, further comprising a plurality of detachable blanking plates disposed above the discharge opening, wherein an angle of 90 to 180 ° is formed between two adjacent blanking plates.

3. The silicon powder pulverizer of claim 2, wherein the blanking plates are arranged in 6 pieces, and the included angle between two adjacent blanking plates increases from top to bottom.

4. The silicon powder pulverizer of claim 1, wherein the number of the feeding ports is 2, the feeding ports are symmetrically arranged on two sides of the rotating shaft respectively, and a detachable feeding plate is arranged above the feeding ports.

5. The silicon powder pulverizer as defined in any one of claims 1 to 4, wherein a plurality of sets of crushing devices are further provided above the plurality of sets of pulverizing devices, each set of crushing devices including a fixed disk and an impact block.

6. The silicon powder pulverizer as defined in claim 5, wherein the stationary disk is fixedly connected to the rotating shaft, and the impact block is disposed on the stationary disk.