CN110640879A - Multistage twin crystal structure silicon nitride high temperature ceramic material graphite bucket preparation machine - Google Patents
Multistage twin crystal structure silicon nitride high temperature ceramic material graphite bucket preparation machine Download PDFInfo
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- CN110640879A CN110640879A CN201910889054.0A CN201910889054A CN110640879A CN 110640879 A CN110640879 A CN 110640879A CN 201910889054 A CN201910889054 A CN 201910889054A CN 110640879 A CN110640879 A CN 110640879A
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- graphite
- barrel
- silicon nitride
- ceramic material
- temperature ceramic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/36—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/54—Producing shaped prefabricated articles from the material specially adapted for producing articles from molten material, e.g. slag refractory ceramic materials
Abstract
The invention discloses a preparation machine of a multistage twin crystal structure silicon nitride high-temperature ceramic material graphite barrel, which structurally comprises a bottom control box, a base and a hydraulic rod, wherein the lower surface of the base is welded with the upper surface of the bottom control box, the silicon nitride high-temperature ceramic material in a built-in barrel is subjected to edge pressing and heating, if boron nitride coated on a graphite type disc flows and gathers together, the boron nitride can be attached to the surface of a scraping surface and can rotate in all directions, the whole can move at a certain position and cannot be dislocated and deviated, when the whole rolls, a top core of the whole can extrude an internal solid layer, certain deformation is generated according to the condition of internal stress, the silicon nitride high-temperature ceramic material cannot react with the graphite preparation barrel, and when the internal heat is not uniform, the boron nitride can gather and flow in time and can be uniformly smeared, so that the silicon nitride high-temperature ceramic material can not react with graphite in the retreatment process to generate silicon carbide.
Description
Technical Field
The invention belongs to the field of high-temperature structural ceramics, and particularly relates to a preparation machine for a multistage silicon nitride high-temperature ceramic material graphite barrel with a twin crystal structure.
Background
When silicon nitride high-temperature ceramic is preparing, need pour into the graphite mould with the raw materials in, will scribble in advance to the graphite mould and smear boron nitride, its purpose is in order not to let silicon nitride high-temperature ceramic react with graphite and produce carborundum, alright through the uniaxial direction to its limit add the blank pressing and add thermal treatment.
Based on the findings of the inventor, the existing multilevel twin structure silicon nitride high-temperature ceramic material mainly has the following defects, such as:
when the previous silicon nitride high-temperature ceramic is processed, residual heat is left in the graphite, when the silicon nitride is coated, the graphite is heated and gathered together, so that the inner wall of the graphite forms an uneven coating layer, when the silicon nitride high-temperature ceramic is processed, the graphite model can be contacted with the silicon nitride at a plurality of places, and therefore silicon carbide is generated on the surface, unevenness is caused, and the appearance is influenced.
Therefore, a multistage twin-structure silicon nitride high-temperature ceramic material graphite barrel preparation machine needs to be provided.
Disclosure of Invention
In order to solve the problems that when the previous silicon nitride high-temperature ceramic is processed, the graphite is internally provided with residual temperature, when the silicon nitride is coated, the graphite is heated and gathered together, so that the inner wall of the graphite forms an uneven coating layer, and when the silicon nitride high-temperature ceramic is processed, the graphite is contacted with a graphite model at a plurality of places, so that the surface generates silicon carbide, the surface is uneven, and the appearance is influenced.
The invention relates to a preparation machine of a multistage silicon nitride high-temperature ceramic material graphite barrel with a twin crystal structure, which has the purpose and the effect and is achieved by the following specific technical means:
the structure of the device comprises a bottom operation box, a base, a hydraulic rod, a heating stamping head, a single-shaft port and a graphite preparation barrel.
The lower surface of the base is welded with the upper surface of the bottom operation box, the hydraulic rod is vertically installed at the top end of the bottom operation box, one end, far away from the bottom operation box, of the hydraulic rod is connected with the heating stamping head, and the single-shaft port is connected with the graphite preparation barrel and communicated with the graphite preparation barrel.
The graphite preparation barrel comprises a shaped barrel, a heavy rotating disc, a graphite shaped disc and an internal barrel, wherein the heavy rotating disc is embedded into the shaped barrel, one end, far away from the shaped barrel, of the heavy rotating disc is connected with the graphite shaped disc, and the internal barrel is installed inside the shaped barrel.
As a further improvement of the invention, the heavy rotating disc comprises a transfer tray, a gravity center eccentric body, a tray and a central rotating shaft, wherein the central rotating shaft is embedded in the transfer tray, the gravity center eccentric body is connected with the tray, eight gravity center eccentric bodies are arranged and are uniformly distributed in a circular shape, and the central rotating shaft is of a cylindrical structure.
As a further improvement of the invention, the graphite type disk comprises sticking-swelling angles, a scraping surface and intermediate solids, wherein the intermediate solids are embedded in the scraping surface and are positioned on the same axial center, the sticking-swelling angles are arranged on the outer surface of the scraping surface, the scraping surface is of a semi-arc structure, and the sticking-swelling angles are four.
As a further improvement of the invention, the gravity center deflection body comprises a uniform weight bottom, a uniform force clamp, an outer pocket frame, a gravity center rolling ball and a clamping rod, wherein the clamping rod is arranged on the outer surface of the uniform weight bottom, the uniform force clamp is connected with the outer pocket frame, the gravity center rolling ball is embedded into the outer pocket frame, the gravity center rolling ball is of a spherical structure, the outer pocket frame is of a circular structure, and twelve uniform force clamps are arranged and form a group.
As a further improvement of the invention, the sticking and expanding angle comprises a sticking and swinging angle, a gradually absorbing bag, an inner fixed layer and a top core, wherein the gradually absorbing bag is embedded in the inner fixed layer, the inner fixed layer is connected with the sticking and swinging angle, the top core is propped against the outer surface of the inner fixed layer, and the gradually absorbing bag is made of rubber materials and has certain deformation resilience.
As a further improvement of the invention, the uniform scraping surface comprises an inner layer, a close-pushing layer, uniform-distribution balls and supporting and moving strips, wherein the inner layer is embedded in the close-pushing layer, the close-pushing layer is connected with the supporting and moving strips, the outer surfaces of the supporting and moving strips are provided with the uniform-distribution balls, the uniform-distribution balls are of a spherical structure, and the supporting and moving strips are of an arc structure.
Compared with the prior art, the invention has the following beneficial effects:
the silicon nitride high-temperature ceramic material in the built-in barrel is subjected to edge pressing and heating, when boron nitride coated on the graphite type disc flows and gathers together, the boron nitride can be attached to the surface of a scraping surface and can rotate in all directions to achieve the effect required by the surface, a gravity offset body positioned at the rear side of the scraping surface can be subjected to uneven force applied from the outer side to drive the whole uniform weight bottom to move together, a clamping rod is clamped on a transfer support and rolls along a central rotating shaft, the whole body can move at a certain position and cannot be dislocated and deviated, the whole body can drag a support moving strip to extrude a close pushing layer to slide along an inner layer while rolling, materials connected with the outer side of a uniform distribution ball can be uniformly dispersed, the material can be uniformly subjected to external force according to the self-distributed direction, a top core can extrude the internal solid layer, and generates certain deformation according to the condition of internal stress, make its silicon nitride high temperature ceramic material can not take place the reaction with graphite preparation bucket, when the boron nitride is paintd to the uneven heat in inside, its boron nitride will gather and flow, can be timely evenly smear it open, let its silicon nitride high temperature ceramic material can not retreatment in-process and graphite produce the reaction and produce carborundum.
Drawings
FIG. 1 is a schematic structural diagram of a multistage twin-structure silicon nitride high-temperature ceramic graphite barrel preparation machine according to the present invention.
Fig. 2 is a schematic front view of the inner structure of the graphite preparation barrel according to the present invention.
Fig. 3 is a schematic diagram of a right-view internal structure of a re-turning disc according to the present invention.
FIG. 4 is a right-view internal structural schematic diagram of a graphite-type disk according to the present invention.
FIG. 5 is a schematic front view of an internal structure of an eccentric center of gravity according to the present invention.
FIG. 6 is a schematic view of the front view of the inner structure of the expansion joint of the present invention.
FIG. 7 is a front view of an internal structure of a shaving surface according to the present invention.
In the figure: bottom operation box-11, base-22, hydraulic rod-33, heating punch head-44, single shaft port-55, graphite preparation barrel-66, molding barrel-aa 1, heavy rotating disk-aa 2, graphite molding disk-aa 3, built-in barrel-aa 4, middle rotating support-qq 01, gravity offset-qq 02, disk-qq 03, middle rotating shaft-qq 04, sticking expansion angle-gg 1, scraping surface-gg 2, middle solid-gg 3, even weight bottom-mm 10, even force clamp-mm rolling ball 20, outer pocket frame-mm 30, gravity center-mm 40, clamping rod-mm 50, sticking swing angle-hr 1, gradual suction bag-hr 2, inner fixed layer-hr 3, top core-hr 4, inner layer-y 11, pushing layer-y 22, even ball-33 and y-44.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 7:
the invention provides a preparation machine of a multistage twin crystal structure silicon nitride high-temperature ceramic material graphite barrel, which structurally comprises a bottom operation box 11, a base 22, a hydraulic rod 33, a heating stamping head 44, a single-shaft port 55 and a graphite preparation barrel 66.
The lower surface of the base 22 is welded with the upper surface of the bottom operating box 11, the hydraulic rod 33 is vertically installed at the top end of the bottom operating box 11, one end, far away from the bottom operating box 11, of the hydraulic rod 33 is connected with the heating stamping head 44, and the single-shaft port 55 is connected with the graphite preparation barrel 66 and is communicated with the same.
The graphite preparation barrel 66 comprises a shaped barrel aa1, a heavy rotating disc aa2, a graphite shaped barrel aa3 and an internal barrel aa4, wherein the heavy rotating disc aa2 is embedded in the shaped barrel aa1, one end of the heavy rotating disc aa2 far away from the shaped barrel aa1 is connected with the graphite shaped barrel aa3, and the internal barrel aa4 is installed in the shaped barrel aa 1.
The heavy rotating disc aa2 comprises a transfer tray qq01, a gravity center eccentric body qq02, a disc loading qq03 and a middle rotating shaft qq04, wherein the middle rotating shaft qq04 is embedded into the transfer tray qq01, the gravity center eccentric body qq02 is connected with the disc loading qq03, eight gravity center eccentric bodies qq02 are arranged and are uniformly distributed in a circular shape, the middle rotating shaft qq04 is of a cylindrical structure, the middle rotating shaft qq04 enables the whole body to move at a certain position and not to deviate, the transfer tray qq01 clamps a connected part, the transfer tray qq01 can be better connected and supported, and the disc loading qq03 is used for installing a connecting part.
The graphite type disc aa3 comprises a sticking expansion angle gg1, a scraping surface gg2 and a middle solid gg3, wherein the middle solid gg3 is embedded in the scraping surface gg2 and is located on the same axial center, the sticking expansion angle gg1 is installed on the outer surface of the scraping surface gg2, the scraping surface gg2 is of a semi-arc structure, the sticking expansion angles gg1 are four, the whole movement range and position are limited by the middle solid gg3, the scraping surface gg2 can rotate in all directions, the effect required by the surface is achieved, and the sticking expansion angle gg1 generates required deformation according to the external stress condition.
Wherein, off-centre of gravity body qq02 includes even heavy end mm10, even power clamp mm20, outer pocket frame mm30, focus spin mm40, kelly mm50, kelly mm50 installs at even heavy end mm10 surface, even power clamp mm20 is connected with outer pocket frame mm30, focus spin mm40 imbeds inside outer pocket frame mm30, focus spin mm40 is the spheroid structure, outer pocket frame mm30 is the annular structure, even power clamp mm20 is equipped with twelve and two and is a set of, outer pocket frame mm30 has restricted the home range and the distance of inner part, and focus spin mm40 rolls according to the trend change in the external world, controls holistic focus, and even power clamp mm20 lets better the installation in inside of linking position, and kelly mm50 lets the linking position more firm.
The sticking expansion angle gg1 comprises a sticking swing angle hr1, a gradual suction bag hr2, an inner solid layer hr3 and a top core hr4, wherein the gradual suction bag hr2 is embedded in the inner solid layer hr3, the inner solid layer hr3 is connected with the sticking swing angle hr1, the top core hr4 abuts against the outer surface of the inner solid layer hr3, the gradual suction bag hr2 is made of rubber materials and has certain deformation resilience, the sticking swing angle hr1 protects the integral bending angle, the gradual suction bag hr2 can perform certain extrusion deformation according to the external force to enable the internal gas to run to a required position, and the inner solid layer hr3 generates certain deformation according to the internal force.
Wherein, scrape even face gg2 and include inlayer y11, the dense layer y22, divide ball y33 evenly, hold in the palm and move strip y44, inlayer y11 is embedded inside dense layer y22, dense layer y22 is connected with holding in the palm and moves strip y44, it moves strip y44 surface mounting and divides ball y33 evenly to hold in the palm, even ball y33 is the spheroid structure, it is the arc structure to hold in the palm and moves strip y44, the dense layer y22 just is the state of opening when receiving external impetus, will be timely combination when losing the resistance, divide ball y33 according to the position that its self distributes, lets it can be even receive external power.
The specific use mode and function of the embodiment are as follows:
in the invention, boron nitride is coated inside a graphite preparation barrel 66, a single-shaft port 55 is controlled by a heating stamping head 44, a silicon nitride high-temperature ceramic material inside a built-in barrel aa4 is subjected to edge pressing and heating while pressing, when the boron nitride coated on a graphite type disc aa3 flows and gathers together, the boron nitride is attached to the surface of a scraping surface gg2, a gravity deviation body qq02 positioned at the rear side of the scraping surface gg2 is subjected to external coating uneven force, a gravity center rolling ball 40 is driven to one side, a uniform force clamping rolling ball 20 clamped between an outer pocket frame mm30 and a uniform weight bottom mm10 drives the uniform weight bottom mm10 to integrally move together while the gravity center mm40 rolls, a clamping rod mm50 is clamped on a middle rotating support qq01, a middle rotating shaft qq04 rolls, and a support bar y44 is dragged to extrude a dense pushing layer y22 to be uniformly connected with a dispersing ball 11 along the outer side of the uniform weight layer y2 while the dispersing ball 59638 rolls, when the whole body drives the scraping surface gg2 to move and uniformly smear on the surface, the shell is easily driven to move together, the top core hr4 extrudes the internal solid layer hr3, the gas of the internal gradual absorption bag hr2 runs towards one side to be extruded, so that the gas can be uniformly distributed and supported, the sticky swing angle hr1 protects the bent angle, boron nitride can be uniformly smeared and inside, and the silicon nitride high-temperature ceramic material cannot react with the graphite preparation barrel.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (6)
1. The utility model provides a multistage twin crystal structure silicon nitride high temperature ceramic material graphite bucket preparation machine, its structure includes end behaviour case (11), base (22), hydraulic stem (33), heating punching press head (44), unipolar mouth (55), graphite preparation bucket (66), its characterized in that:
the lower surface of the base (22) is welded with the upper surface of the bottom operation box (11), the hydraulic rod (33) is vertically arranged at the top end of the bottom operation box (11), one end, far away from the bottom operation box (11), of the hydraulic rod (33) is connected with the heating stamping head (44), and the single-shaft port (55) is connected with the graphite preparation barrel (66) and is communicated with the graphite preparation barrel;
the graphite preparation barrel (66) comprises a type barrel (aa1), a heavy rotating disc (aa2), a graphite type disk (aa3) and an internal barrel (aa4), wherein the heavy rotating disc (aa2) is embedded in the type barrel (aa1), one end, far away from the type barrel (aa1), of the heavy rotating disc (aa2) is connected with the graphite type disk (aa3), and the internal barrel (aa4) is installed in the type barrel (aa 1).
2. The preparation machine for the graphite barrel with the multistage twin-crystal structure and the silicon nitride high-temperature ceramic material as claimed in claim 1, wherein the preparation machine comprises: the heavy rotating disc (aa2) comprises a transfer tray (qq01), a gravity center offset body (qq02), a disc loading (qq03) and a middle rotating shaft (qq04), wherein the middle rotating shaft (qq04) is embedded in the transfer tray (qq01), and the gravity center offset body (qq02) is connected with the disc loading (qq 03).
3. The preparation machine for the graphite barrel with the multistage twin-crystal structure and the silicon nitride high-temperature ceramic material as claimed in claim 1, wherein the preparation machine comprises: the graphite type disc (aa3) comprises a sticking expansion angle (gg1), a scraping surface (gg2) and a medium solid (gg3), wherein the medium solid (gg3) is embedded in the scraping surface (gg2) and is positioned on the same axial center, and the sticking expansion angle (gg1) is installed on the outer surface of the scraping surface (gg 2).
4. The preparation machine for the graphite barrel with the multistage twin-crystal structure and the silicon nitride high-temperature ceramic material as claimed in claim 2, wherein: gravity center eccentric body (qq02) includes even heavy end (mm10), even power clamp (mm20), outer pocket frame (mm30), focus spin (mm40), kelly (mm50), kelly (mm50) are installed in even heavy end (mm10) surface, even power clamp (mm20) is connected with outer pocket frame (mm30), focus spin (mm40) imbeds inside outer pocket frame (mm 30).
5. The preparation machine for the graphite barrel with the multistage twin-crystal structure and the silicon nitride high-temperature ceramic material as claimed in claim 3, wherein the preparation machine comprises: the sticking swelling angle (gg1) comprises a sticking swing angle (hr1), a gradually-sucking bag (hr2), an inner solid layer (hr3) and a top core (hr4), wherein the gradually-sucking bag (hr2) is embedded into the inner solid layer (hr3), the inner solid layer (hr3) is connected with the sticking swing angle (hr1), and the top core (hr4) abuts against the outer surface of the inner solid layer (hr 3).
6. The preparation machine for the graphite barrel with the multistage twin-crystal structure and the silicon nitride high-temperature ceramic material as claimed in claim 3, wherein the preparation machine comprises: even face (gg2) of scraping include inlayer (y11), close push layer (y22), even ball (y33), support and move strip (y44), inlayer (y11) are embedded in close push layer (y22) inside, close push layer (y22) are connected with support and move strip (y44), it has even ball (y33) to support to move strip (y44) surface mounting.
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| CN201910889054.0A CN110640879B (en) | 2019-09-19 | 2019-09-19 | Multistage twin crystal structure silicon nitride high temperature ceramic material graphite bucket preparation machine |
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| CN201910889054.0A CN110640879B (en) | 2019-09-19 | 2019-09-19 | Multistage twin crystal structure silicon nitride high temperature ceramic material graphite bucket preparation machine |
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| CN110640879B CN110640879B (en) | 2020-11-27 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079425A (en) * | 1992-06-02 | 1993-12-15 | 中国科学院金属研究所 | The preparation method of ceramic fiber prefabrication for composite material |
| US6743393B1 (en) * | 1998-06-17 | 2004-06-01 | Coi Ceramics, Inc. | Method for producing ceramic matrix composites |
| CN102390079A (en) * | 2011-09-26 | 2012-03-28 | 西安交通大学 | High-pressure sintering combined die and high-pressure rapid sintering method for preparing nanometer ceramic thereof |
| CN102951905A (en) * | 2003-09-25 | 2013-03-06 | 株式会社东芝 | Bearing rolling ball and method for manufacturing the same |
-
2019
- 2019-09-19 CN CN201910889054.0A patent/CN110640879B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1079425A (en) * | 1992-06-02 | 1993-12-15 | 中国科学院金属研究所 | The preparation method of ceramic fiber prefabrication for composite material |
| US6743393B1 (en) * | 1998-06-17 | 2004-06-01 | Coi Ceramics, Inc. | Method for producing ceramic matrix composites |
| CN102951905A (en) * | 2003-09-25 | 2013-03-06 | 株式会社东芝 | Bearing rolling ball and method for manufacturing the same |
| CN102390079A (en) * | 2011-09-26 | 2012-03-28 | 西安交通大学 | High-pressure sintering combined die and high-pressure rapid sintering method for preparing nanometer ceramic thereof |
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