CN102233384A - Ceramic gland mold and manufacturing method thereof - Google Patents
Ceramic gland mold and manufacturing method thereof Download PDFInfo
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- CN102233384A CN102233384A CN2010101656310A CN201010165631A CN102233384A CN 102233384 A CN102233384 A CN 102233384A CN 2010101656310 A CN2010101656310 A CN 2010101656310A CN 201010165631 A CN201010165631 A CN 201010165631A CN 102233384 A CN102233384 A CN 102233384A
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- pressing cap
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Abstract
The invention relates to a ceramic gland mold and a manufacturing method thereof. The ceramic gland mold comprises a gland mold body, wherein an inner mouth arc is arranged in the gland mold body. The ceramic gland mold is characterized in that: ceramics are used as main materials of the gland mold body; a rare earth oxide serving as a stabilizing agent is added into the ceramics to form solid solution and a complex body; and square and cubic phase ceramics with twin-crystal structures are formed by the ceramics in the inner mouth arc. By the steps of powder preparation, gland mold formation and sintering finish machining, the square and cubic phase ceramics with the double-crystal structures can be quickly and stably formed. Therefore, the ceramic gland mold has high-temperature resistance, chemical corrosion resistance and oxidation resistance. Simultaneously, the inner mouth arc has a reasonable design and high smooth finish and meets the requirement that a coating is not damaged during the pressing of a bottle cap.
Description
Technical field
The present invention relates to a kind of cover mold and manufacture method thereof, relate in particular to a kind of ceramic Die for pressing cap and manufacture method thereof.
Background technology
Traditional Die for pressing cap adopts the carbide alloy manufacturing; but because the hardness of material generally all surpasses only HRC70; this has just determined part using the long time will cause wearing and tearing, causes the fineness on surface to reduce greatly, makes that finally the diaphragm on bottle cap surface comes off behind the gland.Will soon get rusty in a humid environment lose the protection of surface protection film as the bottle cap of matrix by tinplate after, cause the finished product appearance damage, until influencing the competitiveness of product in market.In order to reduce bottle cap getting rusty in the gland process, be that all beer and beverage manufacturer want the problem of capturing always.
Summary of the invention
Purpose of the present invention is exactly in order to solve the above-mentioned problems in the prior art, and a kind of ceramic Die for pressing cap and manufacture method thereof are provided.
Purpose of the present invention is achieved through the following technical solutions:
The pottery Die for pressing cap includes the Die for pressing cap body, is provided with internal orifice in the described Die for pressing cap body, and wherein: described Die for pressing cap body as major ingredient, is added with rare earth oxide as stabilizing agent with pottery in pottery, forms solid solution and complex; The four directions that pottery in the described internal orifice circular arc constitutes twin crystal structure with cube mutually.
Further, above-mentioned ceramic Die for pressing cap, wherein: described Die for pressing cap body is provided with protective sleeve outward.
Further, above-mentioned ceramic Die for pressing cap, wherein: described pottery comprises aluminium oxide, silica, zirconia, silicon nitride.
Further, above-mentioned ceramic Die for pressing cap, wherein: described stabilizing agent comprises CeO
2, Y
2O
3, ZrO
2And Al
2O
3
Further, above-mentioned ground pottery Die for pressing cap, wherein: the fineness of described internal orifice circular arc less than or equal 0.2 μ m.
Further, above-mentioned ceramic Die for pressing cap, wherein: the hardness of described internal orifice circular arc is greater than or equal to HRC80.
The preparation method of pottery Die for pressing cap is characterized in that may further comprise the steps:
Step 1., powder preparation is about to alumina powder, silica, zirconia, silicon nitride and is prepared into powder, powder granularity meets ultra-fine grinding and its particle diameter is evenly distributed below 1 micron;
Step 2., the Die for pressing cap moulding includes dry-pressing formed, injection forming, extrusion modling, cold isostatic compaction, injection moulding, flow casting molding, hot-forming and hip moulding, constitutes the graininess ceramic body;
Step 3., sintering promptly adopts HIP sintering or microwave sintering method or arc plasma sintering or spreads sintering certainly, and the graininess ceramic body is densified and form solid material; Described being sintered to 1450 degrees centigrade of following sintering 1～4 hour;
Step 4., fine finishining is about to solid material that 3. step produce and adopts Al less than 1 micron
2O
3Micro mist or spark cream carry out grinding and polishing; Or adopt laser to grind and polishing; Or ultrasonic wave grinds and polishing, obtains ceramic Die for pressing cap.
The preparation method of above-mentioned ceramic Die for pressing cap, wherein: participated in plasticizer and binding agent in the described powder, described plasticizer is a weight ratio 10%～30% thermoplastic plastic, and described binding agent is a weight ratio at 1%～2% polyvinyl alcohol or methylcellulose or marine alga acid amide; Described binding agent and plasticizer evenly mix under 150～200 ℃ of temperature with powder.
Further, the preparation method of above-mentioned ceramic Die for pressing cap, wherein: participate in weight ratio in the described powder at 1～2% lubricant, described lubricant is a stearic acid.
Further, the preparation method of above-mentioned ceramic Die for pressing cap, wherein: described step encapsulates after 4. finishing, and the ceramic segment that is about to ceramic Die for pressing cap is connected with stainless steel or carbon steel material, adopts bonding glue or mechanical means to compress into.
The advantage of technical solution of the present invention is mainly reflected in: ceramic Die for pressing cap has high temperature resistant, resistance to chemical attack, non-oxidizability.Simultaneously, preferable antiwear characteristic is arranged, thermal coefficient of expansion is big.Change internal crystal structure, forms metastable four directions phase with cube mutually, make its four directions that has been phase-changed into twin crystal structure by single monocline with cube mutually.This solid solution can keep at normal temperatures original four directions mutually with cube mutually, even at high temperature, can not take place to change mutually yet.Moreover the internal orifice circular arc is reasonable in design, and is highly polished, satisfies the manufacturing needs of bottle cap.Thus, expanded the space for the technological progress of this area, implementation result is good.
Description of drawings
Purpose of the present invention, advantage and characteristics will illustrate by the non-limitative illustration of following preferred embodiment and explain.These embodiment only are the prominent examples of using technical solution of the present invention, and all technical schemes of taking to be equal to replacement or equivalent transformation and forming all drop within the scope of protection of present invention.In the middle of these accompanying drawings,
Fig. 1 is the section mould organigram that has the ceramic gland of protective sleeve;
Fig. 2 is the section mould organigram of Die for pressing cap body.
The implication of each Reference numeral is as follows among the figure:
1 Die for pressing cap body, 2 protective sleeves
3 internal orifice circular arcs
The specific embodiment
Ceramic Die for pressing cap as shown in Figure 1 and Figure 2, include the Die for pressing cap body, be provided with internal orifice in the described Die for pressing cap body, its unusual part is: described Die for pressing cap body with pottery as major ingredient, in pottery, be added with rare earth oxide as stabilizing agent, form solid solution and complex; The four directions that pottery in the described internal orifice circular arc constitutes twin crystal structure with cube mutually.
Further, for the ease of improving service life, this externally can be provided with protective sleeve at Die for pressing cap.Simultaneously, for the shaping perfection of bottle cap, internal orifice circular arc and Die for pressing cap body smooth transition.
Simultaneously, comprise aluminium oxide, silica, zirconia, silicon nitride for the described pottery of needs that satisfies processing.Stabilizing agent comprises CeO
2, Y
2O
3, ZrO
2And Al
2O
3And, the fineness of described internal orifice circular arc less than or equal 0.2 μ m.Certainly consider the fastening of non-accurate bottle cap, the fineness of internal orifice circular arc can also less than or equal 0.4 μ m.Same, the hardness of internal orifice circular arc is greater than or equal to HRC80.
In conjunction with the preparation method of this ceramic Die for pressing cap, its special feature is may further comprise the steps:
Step 1., powder preparation is about to alumina powder, silica, zirconia, silicon nitride and is prepared into powder, powder granularity meets ultra-fine grinding and its particle diameter is evenly distributed below 1 micron.
Step 2., the Die for pressing cap moulding includes dry-pressing formed, injection forming, extrusion modling, cold isostatic compaction, injection moulding, flow casting molding, hot-forming and hip moulding, constitutes the graininess ceramic body.
Step 3., sintering promptly adopts HIP sintering or microwave sintering method or arc plasma sintering or spreads sintering certainly, and the graininess ceramic body is densified and form solid material; Described being sintered to 1450 degrees centigrade of following sintering 1～4 hour.
Step 4., fine finishining is about to solid material that 3. step produce and adopts Al less than 1 micron
2O
3Micro mist or spark cream carry out grinding and polishing; Or adopt laser to grind and polishing; Or ultrasonic wave grinds and polishing, obtains ceramic Die for pressing cap.Like this, the contact of ceramic Die for pressing cap and bottle cap want the surface exigent fineness is arranged, as minute surface, with increase lubricity, wearability.
At last, encapsulate, the ceramic segment that is about to ceramic Die for pressing cap is connected with stainless steel or carbon steel material, adopts bonding glue or mechanical means to compress into.
Again further, participated in plasticizer and binding agent in the described powder, described plasticizer is a weight ratio 10%～30% thermoplastic plastic, and described binding agent is a weight ratio at 1%～2% polyvinyl alcohol or methylcellulose or marine alga acid amide.Simultaneously, described binding agent and plasticizer evenly mix under 150～200 ℃ of temperature with powder.And, convenient in order to make, in powder, participate in weight ratio at 1～2% lubricant, described lubricant is a stearic acid.
Simultaneously, in order to satisfy the good use of flux medium, described injection forming is to be the flux medium with water, add degumming agent and binding agent, and adding makes slip particle surface formation electric double layer make the non-setting organic additive of slip stable suspersion, exhaust after fully grinding is injected in the plaster mold then.Be added with dispersant in the described casting process, described dispersant comprises polypropylene amine, gum arabic.Specifically, the described dry-pressing formed simple and inner wall thickness of shape that only limits to surpasses 1mm, length-to-diameter is not more than 4: 1 object, dry-pressing formed used powder granule is 60～200 orders, include adopt fluid pressure type or mechanical type press with semi-automatic or full-automatic molding mode carry out single shaft to or two-way moulding, the maximum pressure of described press is 200Mpa.
By above-mentioned character express and in conjunction with the accompanying drawings as can be seen, adopt the present invention after, that ceramic Die for pressing cap has is high temperature resistant, resistance to chemical attack, non-oxidizability.Simultaneously, preferable antiwear characteristic is arranged, thermal coefficient of expansion is big.Change internal crystal structure, forms metastable four directions phase with cube mutually, make its four directions that has been phase-changed into twin crystal structure by single monocline with cube mutually.This solid solution can keep at normal temperatures original four directions mutually with cube mutually, even at high temperature, can not take place to change mutually yet.Moreover the internal orifice circular arc is reasonable in design, and is highly polished, satisfies the manufacturing needs of bottle cap.
Claims (10)
1. ceramic Die for pressing cap includes the Die for pressing cap body, is provided with the internal orifice circular arc in the described Die for pressing cap body, it is characterized in that: described Die for pressing cap body as major ingredient, is added with rare earth oxide as stabilizing agent with pottery in pottery, forms solid solution and complex; The four directions that pottery in the described internal orifice circular arc constitutes twin crystal structure with cube mutually.
2. ceramic Die for pressing cap according to claim 1 is characterized in that: described Die for pressing cap body is provided with protective sleeve outward.
3. ceramic Die for pressing cap according to claim 1 is characterized in that: described pottery comprises aluminium oxide, silica, zirconia, silicon nitride.
4. ceramic Die for pressing cap according to claim 1 is characterized in that: described stabilizing agent comprises CeO2, Y2O3, ZrO2 and Al2O3.
5. ceramic Die for pressing cap according to claim 1 is characterized in that: the fineness of described internal orifice circular arc less than or equal 0.2 μ m.
6. ceramic Die for pressing cap according to claim 1 is characterized in that: the hardness of described internal orifice circular arc is greater than or equal to HRC80.
7. the preparation method of ceramic Die for pressing cap is characterized in that may further comprise the steps:
Step 1., powder preparation is about to alumina powder, silica, zirconia, silicon nitride and is prepared into powder, powder granularity meets ultra-fine grinding and its particle diameter is evenly distributed below 1 micron;
Step 2., the Die for pressing cap moulding includes dry-pressing formed, injection forming, extrusion modling, cold isostatic compaction, injection moulding, flow casting molding, hot-forming and hip moulding, constitutes the graininess ceramic body;
Step 3., sintering promptly adopts HIP sintering or microwave sintering method or arc plasma sintering or spreads sintering certainly, and the graininess ceramic body is densified and form solid material; Described being sintered to 1450 ℃ of following sintering 1～4 hour;
Step 4., fine finishining is about to the solid material that 3. step produce and adopts Al2O3 micro mist or spark cream less than 1 micron to carry out grinding and polishing; Or adopt laser to grind and polishing; Or ultrasonic wave grinds and polishing, obtains ceramic Die for pressing cap.
8. the preparation method of ceramic Die for pressing cap according to claim 7, it is characterized in that: participated in plasticizer and binding agent in the described powder, described plasticizer is a weight ratio 10%～30% thermoplastic plastic, and described binding agent is a weight ratio at 1%～2% polyvinyl alcohol or methylcellulose or marine alga acid amide; Described binding agent and plasticizer evenly mix under 150～200 ℃ of temperature with powder.
9. the preparation method of ceramic Die for pressing cap according to claim 7 is characterized in that: participate in weight ratio in the described powder at 1～2% lubricant, described lubricant is a stearic acid.
10. the preparation method of ceramic Die for pressing cap according to claim 7, it is characterized in that: described step encapsulates after 4. finishing, and the ceramic segment that is about to ceramic Die for pressing cap is connected with stainless steel or carbon steel material, adopts bonding glue or mechanical means to compress into.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101656310A CN102233384A (en) | 2010-05-07 | 2010-05-07 | Ceramic gland mold and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101656310A CN102233384A (en) | 2010-05-07 | 2010-05-07 | Ceramic gland mold and manufacturing method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914068A (en) * | 2012-09-13 | 2013-02-06 | 河北科技大学 | High temperature heat storage and exchange device applied to solar thermal power plant |
| CN103111517A (en) * | 2013-01-14 | 2013-05-22 | 无锡市玉祁红光电子有限公司 | Slicken solder loading forming molding-die and manufacturing method thereof |
| CN103273635A (en) * | 2013-03-16 | 2013-09-04 | 方秀琴 | Die for making cable having simple structure |
| CN103833355A (en) * | 2014-01-02 | 2014-06-04 | 佛山市东方智柏纳米材料科技有限公司 | Preparation method for black ZrAlYOC ceramic gland die with novel structure |
| CN109352799A (en) * | 2018-10-31 | 2019-02-19 | 晋晓瞳 | Continuous type the tape casting ceramic grout moulding process |
| CN112025212A (en) * | 2020-07-30 | 2020-12-04 | 西安欧中材料科技有限公司 | Method for processing nondestructive flaw detection surface of powder high-temperature alloy part |
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| CN2138642Y (en) * | 1992-09-24 | 1993-07-21 | 阎义浩 | Die for pressing cap |
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2010
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| JPH01145368A (en) * | 1987-12-02 | 1989-06-07 | Riken Corp | Ceramic draw die |
| JPH02155520A (en) * | 1988-12-07 | 1990-06-14 | Nippon Steel Corp | Fine ceramic die suitable for working |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914068A (en) * | 2012-09-13 | 2013-02-06 | 河北科技大学 | High temperature heat storage and exchange device applied to solar thermal power plant |
| CN103111517A (en) * | 2013-01-14 | 2013-05-22 | 无锡市玉祁红光电子有限公司 | Slicken solder loading forming molding-die and manufacturing method thereof |
| CN103273635A (en) * | 2013-03-16 | 2013-09-04 | 方秀琴 | Die for making cable having simple structure |
| CN103273635B (en) * | 2013-03-16 | 2015-05-06 | 方秀琴 | Die for making cable having simple structure |
| CN103833355A (en) * | 2014-01-02 | 2014-06-04 | 佛山市东方智柏纳米材料科技有限公司 | Preparation method for black ZrAlYOC ceramic gland die with novel structure |
| CN109352799A (en) * | 2018-10-31 | 2019-02-19 | 晋晓瞳 | Continuous type the tape casting ceramic grout moulding process |
| CN112025212A (en) * | 2020-07-30 | 2020-12-04 | 西安欧中材料科技有限公司 | Method for processing nondestructive flaw detection surface of powder high-temperature alloy part |
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Application publication date: 20111109 |