CN204505499U - Nano ceramics blank forming device - Google Patents
Nano ceramics blank forming device Download PDFInfo
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- CN204505499U CN204505499U CN201420843144.9U CN201420843144U CN204505499U CN 204505499 U CN204505499 U CN 204505499U CN 201420843144 U CN201420843144 U CN 201420843144U CN 204505499 U CN204505499 U CN 204505499U
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- nano ceramics
- ultrasonic oscillator
- slip
- forming device
- slip mould
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Abstract
The utility model embodiment discloses nano ceramics blank forming device.In this device, slip mould is the structure with spatial accommodation, the lower surface in outside is provided with ultrasonic oscillator, the upper part region of inner side has spatial accommodation, the lower part region of inner side is one-body molded is provided with support structure, and the space between support structure and bottom forms horizontal sprue, and support structure has the flow liquid road vertically run through, sprue is vertically gone up and is communicated with flow liquid road, transversely communicates with the flow liquid mouth on the outer wall being arranged at slip mould; Filter plate is arranged in support structure, all fits with the inwall of slip mould in the edge of filter plate; Filter membrane is laid on filter plate, and the edge of filter membrane and the inwall of slip mould are fitted, and the top of filter membrane exists the spatial accommodation holding nano ceramics slurry.The reunion of nano ceramics slip in suction filtration forming process can be reduced by this programme, reduce the hole of shaping rear base substrate inside.
Description
Technical field
The utility model relates to technical field of material formation, particularly relates to nano ceramics blank forming device.
Background technology
In the last few years, along with the fast development of nanometer technology, nano ceramic material has the performances such as excellent high temperature resistant, corrosion-resistant and electric insulation because of it, is widely used in multiple fields that modern science and technology touches.
Wherein, the forming method of nano ceramics base substrate has multiple, as dry-pressing, isostatic pressed, inject, extrude, curtain coating, suction filtration etc.And due to the forming method that uses in nano ceramics blank forming process different, the base substrate form after shaping and character also different, therefore, select suitable forming method, have important impact to the performance of nano ceramics base substrate.
For suction filtration is shaping, in suction filtration forming process, because the particle of nano ceramic material is less, particle surface energy is high, easily reunites, and shaping the adopted existing shaped device of suction filtration cannot process agglomeration, this just cause shaping after nano ceramics base substrate inside uneven, produce hole, and these holes cannot be removed by modes such as calcinings, finally have influence on the performance of nano ceramics product.
Utility model content
Based on the problems referred to above, the utility model embodiment discloses nano ceramics blank forming device, effectively to reduce the reunion of nano ceramics slip in suction filtration forming process, and then reduces the hole of shaping rear base substrate inside.Technical scheme is as follows:
The utility model embodiment provides a kind of nano ceramics blank forming device, comprising:
The slip mould holding slip, the filter membrane with vertical through holes, there is the filter plate of vertical through holes, produce the flow liquid mouth of hyperacoustic ultrasonic oscillator and external Suction filtration device;
Described slip mould is the structure with spatial accommodation, lower surface outside it is provided with described ultrasonic oscillator, upper part region inside it has spatial accommodation, lower part region inside it is one-body molded is provided with support structure, wherein, space between described support structure and bottom forms horizontal sprue, described support structure has the flow liquid road vertically run through, and, described sprue communicates with described flow liquid road on vertical, communicates in the horizontal with the flow liquid mouth on the outer wall being arranged at described slip mould;
Described filter plate is arranged in described support structure, and all fits with the inwall of described slip mould in the edge of described filter plate;
Described filter membrane is laid on described filter plate, and wherein, the edge of described filter membrane and the inwall of described slip mould are fitted, and the top of described filter membrane exists the spatial accommodation holding nano ceramics slurry.
Optionally, a kind of nano ceramics blank forming device that the utility model embodiment provides, also comprises:
Retainer ring;
Wherein, described retainer ring is arranged in the lower surface in the outside of described slip mould, and the inwall of described retainer ring is fitted the outer wall of described ultrasonic oscillator.
Optionally, described ultrasonic oscillator is:
Irony ultrasonic oscillator, steel ultrasonic oscillator or titanium alloy ultrasonic oscillator.
Optionally, described ultrasonic oscillator is arranged on the central area of the lower surface in the outside of described slip mould.
Optionally, described ultrasonic oscillator is adhered in the lower surface in the outside of described slip mould.
Optionally, described ultrasonic oscillator is fixed on by the first detachable member in the lower surface in the outside of described slip mould.
Optionally, described retainer ring is adhered in the lower surface in the outside of described slip mould.
Optionally, described retainer ring is fixed on by the second detachable member in the lower surface in the outside of described slip mould.
The nano ceramics blank forming device provided by utilizing the utility model embodiment, after placing nano ceramics slip in spatial accommodation above wet base in slip mould, start Suction filtration device, make liquid in nano ceramics slip successively through filter membrane, filter plate, flow liquid road, sprue, flow out eventually through flow liquid mouth, further, in suction filtration forming process, the ultrasonic oscillator in the lower surface outside slip mould is utilized to send ultrasonic wave.Due in the process of suction filtration, nano ceramics slip is subject to hyperacoustic effect, produce small bubble, bubble is in the process of breaking, pressure is produced to the nano ceramics slip of surrounding, and these pressure can break up the nano slip of reunion, the agglomeration of nano ceramics slip is improved.Visible, the nano ceramics blank forming device provided by utilizing the utility model embodiment, effectively can reduce the reunion of nano ceramics slip in suction filtration forming process, reduces the hole of shaping rear base substrate inside, thus improves the performance of nano ceramics product.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The profile of a kind of nano ceramics blank forming device that Fig. 1 provides for the utility model embodiment;
The explosive view of a kind of nano ceramics blank forming device that Fig. 2 provides for the utility model embodiment.
Detailed description of the invention
In order to solve prior art problem, the utility model embodiment provides nano ceramics blank forming device, to reduce the reunion of nano ceramics slip in suction filtration forming process, reduce the hole of shaping rear base substrate inside, finally can improve the performance of nano ceramics product.
The nano ceramics blank forming device that the utility model embodiment provides, can comprise:
The slip mould holding slip, the filter membrane with vertical through holes, there is the filter plate of vertical through holes, produce the flow liquid mouth of hyperacoustic ultrasonic oscillator and external vavuum pump;
This slip mould is the structure with spatial accommodation, lower surface outside it is provided with this ultrasonic oscillator, upper part region inside it has spatial accommodation, lower part region inside it is one-body molded is provided with support structure, wherein, space between this support structure and bottom forms horizontal sprue, this support structure has the flow liquid road vertically run through, and, this sprue communicates with this flow liquid road on vertical, communicates in the horizontal with the flow liquid mouth on the outer wall being arranged at this slip mould;
This filter plate is arranged in this support structure, and all fits with the inwall of this slip mould in the edge of this filter plate;
This filter membrane is laid on this filter plate, and wherein, the inwall of the edge of this filter membrane and this slip mould is fitted, and the top of this filter membrane exists the spatial accommodation holding nano ceramics slurry.
Wherein, the shaping flow process of suction filtration based on above-mentioned nano ceramics blank forming device can comprise:
(1) according to the weight of required nano ceramics base substrate, get appropriate nano ceramics slip and pour slip mould into, wherein, this nano ceramics slip is positioned at the spatial accommodation of the top of this wet base;
(2) start this Suction filtration device to carry out suction filtration to the nano ceramics slip in slip mould, to make liquid in nano ceramics slip successively through filter membrane, filter plate, flow liquid road, sprue, flow out eventually through flow liquid mouth, reach solid-liquid separation effect; And in suction filtration forming process, according to predetermined time rule, send ultrasonic wave by ultrasonic oscillator, to be affected the agglomeration that slip occurs in suction filtration forming process by ultrasonic wave;
(3) after no longer including drop in flow liquid mouth and flowing out, suction filtration special time period is continued.
It will be appreciated by persons skilled in the art that and the pressure in slip mould can be made to reduce by Suction filtration device, thus reach Separation of Solid and Liquid, wherein, in practical application, Suction filtration device can adopt existing vavuum pump Suction filtration device, is certainly not limited thereto.And, the preparation of nano ceramics slip can adopt existing preparation method, for example: under normal temperature, adopt the Zirconium powder that nanometer yttrium is stable, mix with suitable quantity of water, material water weight ratio is 60:40 to 55:45, stir in plastics or polyurethane containers, add defoamer 0.3% (with the weight ratio of water) and continue stirring 20 minutes, leave standstill, finally form slip.Further, it will be understood by those skilled in the art that, after nano ceramics blank forming, can perform and get base process and dry process, wherein, describedly get base process and be specifically as follows: with vacuum cup, the nano ceramics base substrate in slip mould is taken out, and described drying process is specifically as follows: nano ceramics base substrate is positioned in aeration cabinet and leaves standstill, under normal circumstances, temperature in aeration cabinet is at 45-60 degree, time of repose (i.e. drying time) is generally 4-6 hour, is certainly not limited thereto.
It should be noted that, in suction filtration is shaping, hyperacoustic power that ultrasonic oscillator sends and time, for example: ultrasonic 1 minute, interval 30 seconds, repeated 5 times according to determining according to the characteristic of nano ceramics slurry; Further, in practical application, ultrasonic power density can every square centimeter of 3-10 watt, is certainly not limited thereto.And be understandable that, for the situation that nano ceramics slip is thicker, can increase ultrasonic wave number of times or power, this is rational.
Wherein, this ultrasonic oscillator can be: irony ultrasonic oscillator, steel ultrasonic oscillator or titanium alloy ultrasonic oscillator etc., and the quantity of ultrasonic oscillator can be one or more, and this is all rational.Further, this ultrasonic oscillator can be adhered in the lower surface in the outside of this slip mould by bonding agent; Or this ultrasonic oscillator can be fixed in the lower surface in the outside of this slip mould by existing first detachable member, can dismountable object to reach this ultrasonic oscillator.It should be noted that further, ultrasonic oscillator can be fixed on a certain region of the lower surface in the outside of this slip mould, such as: fringe region, central area etc.; And in order to reach good effect, the particular location that ultrasonic oscillator is fixed on the lower surface in the outside of this slip mould can be determined according to the form of molding blank.It will be understood by those skilled in the art that, the bonding agent that bonding ultrasonic oscillator adopts can such as: epoxy resin, comprise ABS plastic and low-pressure polyethylene plastics etc. plastics, comprise neoprene etc. rubber, comprise the low-temperature alloy of terne metal, comprise the composite of the unsaturated-resin being added with fiber, etc.
Wherein, in order to avoid base substrate is subject to polluting (such as: corrosion is polluted), slip mould can be made up of stainless steel, or, be made up of polytetrafluoroethylene (PTFE), or, be made up of nylon material, be certainly not limited thereto; Further, the shape in the cross section of slip mould can be the regular shape such as circular, square, or also can be irregularly shaped, wherein, the shape in the cross section of slip mould be the shape on the surface after nano ceramics blank forming.
Wherein, filter plate can adopt the material identical with slip mould, and wherein, it has vertical through holes, is convenient to liquid and flows through; And in actual applications, the diameter of through hole between 0.5 millimeter to 1 millimeter, can be not limited thereto certainly.
Wherein, filter membrane can adopt nylon filtering cloth, is certainly not limited thereto, and it is for solid-state separation, effectively intercepts the outflow of the powder in slip, and to ensure that liquid flows out smooth and easy simultaneously; And in actual applications, the diameter of the vertical through holes of filter membrane can be 2 microns-5 microns, be certainly not limited thereto.
Wherein, sprue is the space between the bottom of support structure and slip mould, and it is channel form, and object collects in flow liquid mouth after the liquid making to flow out from filter plate flows out along flow liquid road to flow out.
Be understandable that, filter plate can directly be positioned in support structure, and after placement, the edge of this filter plate and the inwall of slip mould reach laminating effect.Further, the ultrasonic wave produced to make ultrasonic oscillator can fully transmit, and avoids shaking loss, and filter plate can be fixed in support structure by bonding agent, and is fitted by the inwall of bonding agent and slip mould in edge.Wherein, the epoxy resin binding agent that bonding agent can adopt hardness higher, certainly, the plastics comprising ABS plastic and low-pressure polyethylene plastics etc., the rubber comprising neoprene etc. can also be adopted, comprise the low-temperature alloy of terne metal, comprise the composite of the unsaturated-resin being added with fiber.
The nano ceramics blank forming device provided by utilizing the utility model embodiment, after placing nano ceramics slip in spatial accommodation above wet base in slip mould, start Suction filtration device, make liquid in nano ceramics slip successively through filter membrane, filter plate, flow liquid road, sprue, flow out eventually through flow liquid mouth, further, in suction filtration forming process, the ultrasonic oscillator in the lower surface outside slip mould is utilized to send ultrasonic wave.Due in the process of suction filtration, nano ceramics slip is subject to hyperacoustic effect, produce small bubble, bubble is in the process of breaking, pressure is produced to the nano ceramics slip of surrounding, and these pressure can break up the nano slip of reunion, the agglomeration of nano ceramics slip is improved.Visible, the nano ceramics blank forming device provided by utilizing the utility model embodiment, effectively can reduce the reunion of nano ceramics slip in suction filtration forming process, reduces the hole of shaping rear base substrate inside, thus improves the performance of nano ceramics product.
Further, the nano ceramics blank forming device that the utility model embodiment provides, can also comprise:
Retainer ring;
Wherein, this retainer ring is arranged in the lower surface in the outside of this slip mould, and the inwall of this retainer ring is fitted the outer wall of this ultrasonic oscillator.
Be understandable that, by the effect of retainer ring, ultrasonic oscillator can more firmly be arranged in the lower surface outside slip mould.Wherein, this retainer ring is adhered in the lower surface in the outside of this slip mould; Certainly, this retainer ring can be fixed in the lower surface in the outside of slip mould by existing second detachable member, to make retainer ring can be detachable.
It should be noted that, " second " in " first " and " the second detachable member " in above-mentioned " the first detachable member " is only distinguish the detachable member corresponding to ultrasonic oscillator and the detachable member corresponding to retainer ring from name, does not have any limiting meaning; Further, in practical application, the detachable member corresponding to ultrasonic oscillator and the detachable member corresponding to retainer ring can be identical or different, in be all rational.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Below in conjunction with specific embodiment, the nano ceramics blank forming device that the utility model embodiment provides is introduced.
Wherein, the profile of a kind of nano ceramics blank forming device that Fig. 1 provides for the present embodiment, the explosive view of a kind of nano ceramics blank forming device that Fig. 2 provides for the present embodiment.It should be noted that, the cross section of the nano ceramics blank forming device that the present embodiment is introduced is circle, in practical application, the cross section of nano ceramics blank forming device is not limited to circle, such as, can also be the regular shapes such as square, hexagon, or, irregularly shaped, this is all rational.
Composition graphs 1 and Fig. 2, a kind of nano ceramics blank forming device that the present embodiment provides, can comprise:
The slip mould 2 holding slip, the filter membrane 4 with vertical through holes, there is the filter plate 1 of vertical through holes, produce the flow liquid mouth 6 of hyperacoustic ultrasonic oscillator 7 and external vavuum pump;
This slip mould 2 is for having the structure of spatial accommodation, lower surface outside it is provided with this ultrasonic oscillator 7, upper part region inside it has spatial accommodation, lower part region inside it is one-body molded is provided with support structure, wherein, space between this support structure and bottom forms horizontal sprue 10, this support structure has the flow liquid road 9 vertically run through, and, this sprue 10 communicates with this flow liquid road 9 on vertical, communicates 6 in the horizontal with the flow liquid mouth on the outer wall being arranged at this slip mould 2;
This filter plate 1 is bonded in this support structure by bond layer 5, and is all fitted with the inwall of this slip mould 2 by bond layer 5 in the edge of this filter plate 1;
This filter membrane 4 is laid on this filter plate 1, and wherein, all fit with the inwall of this slip mould 2 in the edge of this filter membrane 4, and the top of this filter membrane 4 exists the spatial accommodation holding nano ceramics slurry 8;
Further, ultrasonic oscillator 7 is bonded in by bond layer 5 in the lower surface in the outside of slip mould 2, and is firmly processed by retainer ring 3.
It should be noted that, the nano ceramics blank forming device given by above-described embodiment, as just example, should not form the restriction to the utility model embodiment.
Further, in order to embody the advantage of the nano ceramics blank forming device that the utility model embodiment provides, the nano ceramics blank forming device that the nano ceramics blank forming device that existing traditional agglomeration can be utilized respectively to be processed and the utility model embodiment provide makes the nano oxidized zircon porcelain block of artificial tooth, wherein, nano oxidized zircon porcelain block product specification: diameter 100 millimeters, thickness 14 millimeters.
Wherein, utilize the nano ceramics blank forming device that existing traditional agglomeration cannot be processed, the base time of every block is 9 hours, and the various performance parameters of molding blank is as follows:
Blank density is 3.25, and sintered density is 6.05, and bending strength is 1100 MPas, and the Density Distribution difference of base substrate each point is 0.02.
And the nano ceramics blank forming device utilizing the utility model embodiment to provide, in suction filtration forming process, frequency of utilization to be 20000 hertz and power the be ultrasonic wave of 500 watts, initial ultrasound work 1 minute, interval 30 seconds, circulate after 5 times and stop ultrasonication, the base time of every block is 5.5 hours, and the various performance parameters of molding blank is as follows:
Blank density is 3.28, and sintered density is 6.09, and bending strength is 1300 MPas, and the Density Distribution difference of base substrate each point is 0.005.
Visible, the base substrate made by nano ceramics blank forming device provided by the utility model embodiment, because the ultrasonic wave in suction filtration forming process can improve reunion, reduce the hole of shaping rear base substrate inside, therefore, relative to the base substrate made by existing shaped device, properties is all improved.
The foregoing is only preferred embodiment of the present utility model, be not intended to limit protection domain of the present utility model.All do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., be all included in protection domain of the present utility model.
Claims (8)
1. a nano ceramics blank forming device, is characterized in that, comprising:
The slip mould holding slip, the filter membrane with vertical through holes, there is the filter plate of vertical through holes, produce the flow liquid mouth of hyperacoustic ultrasonic oscillator and external Suction filtration device;
Described slip mould is the structure with spatial accommodation, lower surface outside it is provided with described ultrasonic oscillator, upper part region inside it has spatial accommodation, lower part region inside it is one-body molded is provided with support structure, wherein, space between described support structure and bottom forms horizontal sprue, described support structure has the flow liquid road vertically run through, and, described sprue communicates with described flow liquid road on vertical, communicates in the horizontal with the flow liquid mouth on the outer wall being arranged at described slip mould;
Described filter plate is arranged in described support structure, and all fits with the inwall of described slip mould in the edge of described filter plate;
Described filter membrane is laid on described filter plate, and wherein, the edge of described filter membrane and the inwall of described slip mould are fitted, and the top of described filter membrane exists the spatial accommodation holding nano ceramics slurry.
2. nano ceramics blank forming device according to claim 1, is characterized in that, also comprise:
Retainer ring;
Wherein, described retainer ring is arranged in the lower surface in the outside of described slip mould, and the inwall of described retainer ring is fitted the outer wall of described ultrasonic oscillator.
3. nano ceramics blank forming device according to claim 1 and 2, it is characterized in that, described ultrasonic oscillator is:
Irony ultrasonic oscillator, steel ultrasonic oscillator or titanium alloy ultrasonic oscillator.
4. nano ceramics blank forming device according to claim 1 and 2, is characterized in that, described ultrasonic oscillator is arranged on the central area of the lower surface in the outside of described slip mould.
5. nano ceramics blank forming device according to claim 1 and 2, is characterized in that, described ultrasonic oscillator is adhered in the lower surface in the outside of described slip mould.
6. nano ceramics blank forming device according to claim 1 and 2, is characterized in that, described ultrasonic oscillator is fixed on by the first detachable member in the lower surface in the outside of described slip mould.
7. nano ceramics blank forming device according to claim 2, is characterized in that, described retainer ring is adhered in the lower surface in the outside of described slip mould.
8. nano ceramics blank forming device according to claim 2, is characterized in that, described retainer ring is fixed on by the second detachable member in the lower surface in the outside of described slip mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420843144.9U CN204505499U (en) | 2014-12-25 | 2014-12-25 | Nano ceramics blank forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420843144.9U CN204505499U (en) | 2014-12-25 | 2014-12-25 | Nano ceramics blank forming device |
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| Publication Number | Publication Date |
|---|---|
| CN204505499U true CN204505499U (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420843144.9U Withdrawn - After Issue CN204505499U (en) | 2014-12-25 | 2014-12-25 | Nano ceramics blank forming device |
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| CN (1) | CN204505499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773790A (en) * | 2014-12-25 | 2016-07-20 | 辽宁爱尔创生物材料有限公司 | Nanometer ceramic blank forming device |
-
2014
- 2014-12-25 CN CN201420843144.9U patent/CN204505499U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105773790A (en) * | 2014-12-25 | 2016-07-20 | 辽宁爱尔创生物材料有限公司 | Nanometer ceramic blank forming device |
| CN105773790B (en) * | 2014-12-25 | 2017-11-17 | 辽宁爱尔创生物材料有限公司 | Nano ceramics blank forming device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150729 Effective date of abandoning: 20171117 |