CN111545295A - Silicon nitride is with quick crushing apparatus - Google Patents
Silicon nitride is with quick crushing apparatus Download PDFInfo
- Publication number
- CN111545295A CN111545295A CN202010456510.5A CN202010456510A CN111545295A CN 111545295 A CN111545295 A CN 111545295A CN 202010456510 A CN202010456510 A CN 202010456510A CN 111545295 A CN111545295 A CN 111545295A
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- Prior art keywords
- grinding
- disc
- silicon nitride
- axis
- movable
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/02—Crushing or disintegrating by disc mills with coaxial discs
- B02C7/04—Crushing or disintegrating by disc mills with coaxial discs with concentric circles of intermeshing teeth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/11—Details
- B02C7/12—Shape or construction of discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/11—Details
- B02C7/14—Adjusting, applying pressure to, or controlling distance between, discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/11—Details
- B02C7/16—Driving mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/11—Details
- B02C7/17—Cooling or heating of discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
Abstract
The invention discloses a rapid crushing device for silicon nitride, which comprises a fixed part and a rotating part, wherein the fixed part comprises an installation body, a plurality of groups of independent grinding bins are uniformly arranged in the installation body along the horizontal axis direction, an opening at the bottom of each grinding bin is provided with a screen, a through hole is formed between every two adjacent grinding bins, a fixed grinding disc is fixedly arranged in each through hole, the rotating part is also arranged in the installation body, the rotating part comprises a movable grinding disc which is rotatably arranged in each grinding bin, the movable grinding disc is overlapped with the axis of each grinding bin, the circumferential surface of each movable grinding disc is in contact with the inner wall of each grinding bin, the movable grinding discs do reciprocating motion along the axis direction, the rapid crushing device for silicon nitride adopts the combined action of the movable grinding disc and the fixed grinding disc which are axially moved and reciprocated, and simultaneously impacts and grinds raw materials, and the product particles are ensured to reach the standard by matching with the synchronous action of the screen.
Description
Technical Field
The invention relates to the technical field of silicon nitride production equipment, in particular to rapid crushing equipment for silicon nitride.
Background
Silicon nitride is an important structural ceramic material. It is a superhard matter, has lubricity and abrasion resistance, and is an atomic crystal; is resistant to oxidation at high temperature. It can resist cold and hot impact, and can be heated to above 1000 deg.C in air, and can be rapidly cooled and then rapidly heated, and can not be broken. Because of the excellent properties of silicon nitride ceramics, it is often used to manufacture mechanical components such as bearings, turbine blades, mechanical seal rings, and permanent molds.
When silicon nitride is crushed, the problem of incomplete crushing exists, namely, silicon nitride particles are clamped in the gap part of the crushing hammer, so that the silicon nitride particles cannot be directly acted by the crushing hammer, finished product particles are large, and the final product has large particle size and different specifications and is difficult to process into fine silicon nitride powder by adopting an impact crushing mode.
Disclosure of Invention
The invention aims to overcome the existing defects and provide the rapid crushing equipment for the silicon nitride, which adopts the combined action of the movable grinding disc and the fixed grinding disc which are axially moved and reciprocated, simultaneously performs impact and grinding on raw materials, and is matched with the synchronous action of a screen to ensure that product particles reach the standard, thereby effectively solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a silicon nitride is with quick crushing apparatus, includes fixed part and rotating part, the fixed part is including the installation body, the independent grinding storehouse of multiunit is evenly arranged along the horizontal axis direction to the installation body inside, the opening part of grinding the storehouse bottom sets up the screen cloth, sets up the through-hole between the adjacent grinding storehouse, the inside fixed grinding miller that sets up of through-hole, the installation body is inside still to set up the rotating part, the rotating part is including rotating the movable grinding miller of installing in grinding the storehouse inside, the axis coincidence in activity grinding miller and grinding storehouse, and the periphery of activity grinding miller and the contact installation of grinding storehouse inner wall, reciprocating motion is followed to the activity grinding miller along the axis direction.
As a preferred technical scheme of the invention, a first cooling water channel and a second cooling water channel are respectively arranged in the fixed grinding disc and the movable grinding disc, the first cooling water channel is a concentric water channel which is communicated with each other, and the second cooling water channel is a spiral water channel;
through setting up the cooling water course, let in recirculated cooling medium in the cooling water course, cool down fixed abrasive disc and activity abrasive disc, the high temperature that the area ground the production, and the different structural style of two sets of cooling water courses helps arranging the convenience in outer antithetical couplet water route according to the part motion state that the cooling water course is located, and guarantees the effect of the part cooling that is located.
As a preferred technical scheme of the present invention, the movable portion further includes a center shaft coaxially and fixedly mounted with the movable grinding disc, the center shaft is rotatably mounted with the mounting body, retaining rings are respectively disposed outside the center shafts at both ends of the movable grinding disc, a pin shaft is radially disposed at an end portion of the center shaft, a fixing ring is coaxially and fixedly disposed at an end portion of the mounting body, a cam groove is disposed on an inner annular surface of the fixing ring, the pin shaft and the cam groove are slidably mounted, a spline shaft is disposed at one end of the center shaft, a driving wheel is disposed outside the spline shaft, the driving wheel is rotatably mounted with the mounting body, and a spline groove engaged with the spline shaft is disposed at a position;
through round pin axle and the intra-annular cam groove interact of stationary ring, make the axis at the pivoted in-process, can be along axis direction reciprocating motion, drive the activity abrasive disc promptly and do reciprocating motion along the axis in grinding the storehouse, extrude and grind with the fixed abrasive disc of both sides to will extrude the bits of broken glass and grind in raw materials wherein.
As a preferred technical scheme of the invention, a spiral second cooling water channel is arranged in the movable grinding disc, the axial position of the movable grinding disc is coaxially and fixedly provided with a central shaft, a water inlet channel and a water discharge channel are arranged in the central shaft, two ends of the second cooling water channel are respectively communicated with the water inlet channel and the water discharge channel, and rotary joints are arranged between the water inlet channel and the water discharge channel and an external circulating water device;
through set up inlet channel and drain in the axis is inside to communicate with second cooling water course, thereby let in the circulation coolant medium in making the second cooling water course, cool off the cooling to activity abrasive disc.
As a preferred technical scheme of the invention, the axial position of the movable grinding disc is coaxially and rotatably provided with a mounting sleeve, the axial position of the mounting sleeve is coaxially and fixedly provided with a middle shaft, the middle shaft is rotatably provided with a mounting body, and an elastic part is arranged between the mounting sleeve and the movable grinding disc along the tangential direction;
through setting up the elastic component, make installation sleeve and activity abrasive disc between the two can have certain space of letting back in the tangential direction, it is great when the raw materials granule between activity abrasive disc and the fixed abrasive disc, be difficult for being crowded garrulous, and the activity abrasive disc is in gyration and reciprocating motion simultaneous movement this moment, make the middle bearing receive great axial force, and the activity abrasive disc can apply great shearing force to the axis, when serious, easily cause the axis rupture, let through activity abrasive disc and installation sleeve each other this moment, reduce the torsional force between activity abrasive disc and the axis, avoid the axis rupture.
Compared with the prior art, the invention has the beneficial effects that: this quick crushing apparatus for silicon nitride sets up movable abrasive disc in grinding the storehouse, axial reciprocating motion can be to the activity abrasive disc in rotary motion, when reciprocating motion is being done, through the mutual extrusion of the fixed abrasive disc with both ends, make the raw materials of big granule smashed by the extrusion, and when gyration, relative rotation with fixed abrasive disc, the realization is to the grinding of raw materials granule, and when reciprocating motion is being done, it grinds with fixed abrasive disc closely the end inside, and realize the feeding of material with the remote end of fixed abrasive disc, thereby realize the continuity of work, and set up the screen cloth in the exit that grinds the storehouse, can make the powder of grinding qualified after discharge fast, avoid the overgrinding, guarantee the grinding effect of granule simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic cross-sectional view taken at A of the present invention;
FIG. 4 is a schematic cross-sectional view at B of the present invention;
FIG. 5 is a schematic view of the assembly of the movable grinding plate and the middle shaft according to the present invention;
FIG. 6 is a schematic view of the assembly of the movable grinding disk of the present invention;
FIG. 7 is a schematic cross-sectional view at C of the present invention;
fig. 8 is a schematic view of the cam slot deployment of the present invention.
In the figure: the device comprises a fixed part 1, a first cooling water channel 101, a fixed grinding disc 102, a screen 103, a rotating part 2, a movable grinding disc 201, a fixed ring 202, a central shaft 203, a retainer ring 204, a second cooling water channel 205, a mounting sleeve 206, an elastic part 207, a rotary joint 208 and a driving wheel 209.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a silicon nitride is with quick crushing apparatus, including fixed part 1 and rotating part 2, fixed part 1 is including the installation body, the independent grinding storehouse of multiunit is evenly arranged along the horizontal axis direction to the installation body inside, the opening part of grinding the storehouse bottom sets up screen cloth 103, set up the through-hole between the adjacent grinding storehouse, the inside fixed abrasive disc 102 that sets up of through-hole, installation body 1 is inside still to set up rotating part 2, rotating part 2 is including rotating the movable abrasive disc 201 of installing in grinding the storehouse inside, the axis coincidence of movable abrasive disc 201 and grinding storehouse, and the periphery of movable abrasive disc 201 and the contact installation of grinding the storehouse inner wall, reciprocating motion is along the axis direction to movable abrasive disc 201.
A first cooling water channel 101 and a second cooling water channel 205 are respectively arranged in the fixed grinding disc 102 and the movable grinding disc 201, the first cooling water channel 101 is a concentric water channel which is communicated with each other, and the second cooling water channel 205 is a spiral water channel;
through setting up the cooling water course, let in circulating cooling medium in the cooling water course, cool down fixed abrasive disc 102 and activity abrasive disc 201, the high temperature that the area ground the production, and the different structural style of two sets of cooling water courses helps arranging the convenience in outer antithetical couplet water route according to the part motion state that the cooling water course is located, and guarantees the effect of the part cooling that is located.
The movable part 2 further comprises a middle shaft 203 coaxially and fixedly installed with the movable grinding disc 201, the middle shaft 203 is rotatably installed with an installation body, retaining rings 204 are respectively arranged outside the middle shafts 203 at two ends of the movable grinding disc 201, a pin shaft is radially arranged at the end part of the middle shaft 203, a fixing ring 202 is coaxially and fixedly arranged at the end part of the installation body, a cam groove is arranged on the inner ring surface of the fixing ring 202, the pin shaft and the cam groove are slidably installed, a spline shaft is arranged at one end of the middle shaft 203, a driving wheel 209 is arranged outside the spline shaft, the driving wheel 209 is rotatably installed with the installation body, and a spline;
the cam groove is an annular closed groove, and when the pin shaft slides in the cam groove, the middle shaft 203 can rapidly move to an axial single-side limit position, and after a period of time, rapidly move to an axial limit position on the other side, and after the same time, rapidly return to the previous limit position, and also keep the same time;
through the mutual action of the pin shaft and the cam groove in the fixed ring 202, the middle shaft 203 can reciprocate along the axis direction in the rotating process, namely, the movable grinding disc 201 is driven to reciprocate along the axis in the grinding bin and is extruded and ground with the fixed grinding discs 102 at two sides, so that the raw materials in the middle shaft are crushed and ground.
A spiral second cooling water channel 205 is arranged in the movable grinding disc 201, the axial position of the movable grinding disc 201 is coaxially and fixedly provided with a middle shaft 203, a water inlet channel and a water discharge channel are arranged in the middle shaft 203, two ends of the second cooling water channel 205 are respectively communicated with the water inlet channel and the water discharge channel, and a rotary joint 208 is arranged between the water inlet channel and the water discharge channel and an external circulating water device;
through set up inlet channel and water drainage at axis 203 is inside to communicate with second cooling water course 205, thereby let in circulating cooling medium in the second cooling water course 205, cool off movable grinding disc 201.
The axial position of the movable grinding disc 201 coaxially rotates the mounting sleeve 206, the axial position of the mounting sleeve 206 coaxially and fixedly mounts the middle shaft 203, the middle shaft 203 is rotatably mounted with the mounting body, and an elastic part 207 is arranged between the mounting sleeve 206 and the movable grinding disc 201 along the tangential direction;
through setting up elastic component 207, make and to have certain space of letting back between installation sleeve 206 and the activity abrasive disc 201 in the tangential direction, it is great when the raw materials granule between activity abrasive disc 201 and the fixed abrasive disc 102, be difficult for being crowded garrulous, and activity abrasive disc 201 is in gyration and reciprocating motion simultaneous movement this moment, make axis 203 bear great axial force, and activity abrasive disc 201 can apply great shearing force to axis 203, when serious, easily cause the axis 203 rupture, let through the mutual of activity abrasive disc 201 and installation sleeve 206 this moment, reduce the torsional force between activity abrasive disc 201 and the axis 203, avoid axis 203 rupture.
When in use: the first cooling water channel 101 and the second cooling water channel 205 are both communicated with an external circulating water channel to realize circulating water cooling of the fixed grinding disc 102 and the movable grinding disc 201, the temperature of the fixed grinding disc and the movable grinding disc is ensured to be constant, the driving wheel 209 is driven to rotate by external power, if a gear or a belt wheel is used as the driving wheel 209, the power is transmitted by a gear mechanism or a belt wheel mechanism to drive the middle shaft 203 and the movable grinding disc 201 to rotate, the pin shaft slides in the cam groove in the rotation process to drive the middle shaft 203 to reciprocate along the axial direction, raw materials are filled from the feeding hole at the top of the grinding bin, the raw materials enter between the movable grinding disc 201 and the fixed grinding disc 102 from one end with a larger gap of the movable grinding disc 201, after the movable grinding disc 201 reciprocates, the original large gap interval is reduced, the raw materials are extruded, and when the movable grinding disc 201 rotates, the movable grinding disc 201 and the fixed grinding disc 102 grind, the finished product particles are finer and finer, after grinding is finished, qualified products flow out of the screen 103, and unqualified products are continuously ground.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a silicon nitride is with quick crushing apparatus, includes fixed part (1) and rotating part (2), its characterized in that: fixed part (1) is including the installation body, the independent grinding storehouse of multiunit is evenly arranged along the horizontal axis direction to the installation body inside, the opening part that grinds the storehouse bottom sets up screen cloth (103), sets up the through-hole between the adjacent grinding storehouse, the inside fixed grinding miller (102) that sets up of through-hole, installation body (1) is inside still to set up rotating part (2), rotating part (2) are including rotating movable grinding miller (201) of installing in grinding the storehouse inside, activity grinding miller (201) and the axis coincidence that grinds the storehouse, and the periphery and the grinding storehouse inner wall contact installation of activity grinding miller (201), reciprocating motion is along the axis direction in activity grinding miller (201).
2. The apparatus for rapidly pulverizing silicon nitride according to claim 1, wherein: the grinding disc is characterized in that a first cooling water channel (101) and a second cooling water channel (205) are respectively arranged inside the fixed grinding disc (102) and the movable grinding disc (201), the first cooling water channel (101) is a concentric water channel communicated with each other, and the second cooling water channel (205) is a spiral water channel.
3. The apparatus for rapidly pulverizing silicon nitride according to claim 1, wherein: the movable part (2) further comprises a middle shaft (203) which is coaxially and fixedly installed with the movable grinding disc (201), the middle shaft (203) is rotatably installed with the installation body, retaining rings (204) are respectively arranged outside the middle shaft (203) at two ends of the movable grinding disc (201), a pin shaft is radially arranged at the end part of the middle shaft (203), a fixing ring (202) is coaxially and fixedly arranged at the end part of the installation body, a cam groove is formed in the inner ring surface of the fixing ring (202), the pin shaft and the cam groove are slidably installed, a spline shaft is arranged at one end of the middle shaft (203), a driving wheel (209) is arranged outside the spline shaft, the driving wheel (209) is rotatably installed with the installation body, and a spline groove meshed with the spline shaft is arranged at the axis position.
4. The apparatus for rapidly pulverizing silicon nitride according to claim 1, wherein: the inside spiral second cooling water course (205) that sets up of activity abrasive disc (201), activity abrasive disc (201) axis position is coaxial fixed and is set up axis (203), axis (203) inside intake channel and the drain of setting up, the both ends of second cooling water course (205) communicate with intake channel and drain respectively, be provided with rotary joint (208) between intake channel and drain and the external circulating water device.
5. The apparatus for rapidly pulverizing silicon nitride according to any one of claims 1 to 4, wherein: the axial line position of activity abrasive disc (201) is coaxial rotates installation sleeve (206), the axial line position coaxial fixed mounting axis (203) of installation sleeve (206), axis (203) and installation body rotate the installation, set up elastic component (207) along tangential direction between installation sleeve (206) and activity abrasive disc (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010456510.5A CN111545295A (en) | 2020-05-26 | 2020-05-26 | Silicon nitride is with quick crushing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010456510.5A CN111545295A (en) | 2020-05-26 | 2020-05-26 | Silicon nitride is with quick crushing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111545295A true CN111545295A (en) | 2020-08-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010456510.5A Pending CN111545295A (en) | 2020-05-26 | 2020-05-26 | Silicon nitride is with quick crushing apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN111545295A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333125A (en) * | 2021-06-18 | 2021-09-03 | 山西贝特瑞新能源科技有限公司 | Lithium battery silicon-carbon negative electrode material processing equipment convenient to grind and processing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333125A (en) * | 2021-06-18 | 2021-09-03 | 山西贝特瑞新能源科技有限公司 | Lithium battery silicon-carbon negative electrode material processing equipment convenient to grind and processing method thereof |
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