CN102862213B - A kind of prevent product neck from rupturing filling forming method and injection forming mould - Google Patents
A kind of prevent product neck from rupturing filling forming method and injection forming mould Download PDFInfo
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- CN102862213B CN102862213B CN201210363299.8A CN201210363299A CN102862213B CN 102862213 B CN102862213 B CN 102862213B CN 201210363299 A CN201210363299 A CN 201210363299A CN 102862213 B CN102862213 B CN 102862213B
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Abstract
The present invention relates to a kind of prevent product neck from rupturing filling forming method and injection forming mould.The invention provides a kind of filling forming method preventing product neck from rupturing, comprise the following steps: A, to be in the milk to injection forming mould; B, described injection forming mould carry out midge, form young base after overfall; C, described injection forming mould to be stood upside down up and down; D, described injection forming mould continue midge, and the dry after-contraction of described young base forms green compact; E, the forming bottom die of described injection forming mould is replaced by support bed die, described support bed die and described green compact are abutted against; F, by upright up and down for described injection forming mould; G, the demoulding.Present invention also offers a kind of injection forming mould preventing product neck from rupturing.The invention has the beneficial effects as follows: the impact utilizing gravity, be the contraction distortion bottom slip casting product by the contraction distortion of slip casting product neck transfer, thus avoid the defect of slip casting product neck fracture.
Description
Technical field
The present invention relates to injection forming, the filling forming method that to particularly relate in injection forming a kind of prevents product neck from rupturing and injection forming mould.
Background technology
Injection forming is also known as moulding by casting (Slip Casting), it is the physical characteristic that can absorb moisture based on graphite mould, ceramic powder is made into the mud with mobility, then inject in porous mold (being mainly plaster mold), moisture just defines after being sucked by mould (plaster mold) has certain thickness even mud layer, dehydrate the base substrate being formed in process simultaneously and have some strength, this kind of mode is called as injection forming.Its complete process can be divided into three phases: 1. after mud injects mould, the water under the effect of plaster mold capillary force in absorbent slurry, and first the moisture in the mud of die wall absorbed, and the particle in mud starts close, forms initial thin mud layer.2. moisture is absorbed further, and its diffusion kinetics is pressure differential and the concentration difference of moisture, and thin mud layer is thickening gradually, and mud layer internal moisture externally spreads, and when mud layer thickness reaches cast parts thickness, just forms young base.3. plaster mold continues absorption moisture, and young base starts to shrink, and the moisture on surface starts evaporation, and after young base drying formation has the green compact of some strength, namely the demoulding completes injection forming.
Injection forming is a kind of technique conventional in Production of Ceramics, and slip casting mould is then the necessary part of injection forming.In injection forming, young base, in the process forming green compact, can produce contraction to a certain degree, and the slip casting product especially mouthful larger, neck is thin, abdomen is thick, easily causes the neck of slip casting product to rupture.
As shown in Figure 1, for the green compact 300 of injection forming, these green compact 300 comprise oral area 301, neck 302, belly 303 and bottom 304, and the features of shape of these green compact 300 is that oral area 301 is large, neck 302 is thin and belly 303 is thick, its appearance profile is roughly calabash shaped, and the height of these green compact 300 is H1.
As shown in Figure 2, for the injection forming mould of injection forming, this injection forming mould comprises cover mold 1, body mould 2 and bed die 3, wherein, cover mold 1 is for the oral area of shaping slip casting product, body mould 2 is for the neck of shaping slip casting product and belly, and bed die 3 is for the bottom of shaping slip casting product, and the die cavity of this injection forming mould is roughly calabash shaped.
As shown in Figure 3, under room temperature environment, ceramic powder is made into the mud 100 with mobility and injects in the die cavity of this injection forming mould, be in the milk.
As shown in Figure 4, under room temperature environment, this injection forming mould carries out midge, forms young base 200 afterwards at overfall (namely mud 100 being taken out), and this young base 200 comprises oral area 201, neck 202, belly 203 and bottom 204, and the height of this young base 200 is H2.
As shown in Figure 5, under room temperature environment, this injection forming mould continues absorption moisture, and young base 200 starts to shrink, and the moisture on surface starts evaporation, and after young base 200 drying formation has the green compact 300 of some strength, namely the demoulding completes traditional injection forming.
As shown in Figure 6, due to the impact of gravity and contraction, the height H 1 of green compact 300 is less than the height H 2 of young base 200, that is, formed in the process of green compact 300 at young base 200, the neck 202 of young base 200 is subject to the impact of gravity and contraction, can down shrink, namely the neck 302 of green compact 300 will lower than the neck 202 of young base 200, because the neck 202 of young base 200 down shrinks, body mould 2 with injection forming mould is formed interference, finally causes the neck 302 of green compact 300 to rupture, the final neck breaking part 3021 formed as shown in Figure 6.
For the problems referred to above, traditional way is after the neck fracture of slip casting product, then carries out bonding, but this slip casting product is in follow-up sintering procedure, easily forms cracking and bonding vestige, the quality of impact pottery.
Summary of the invention
In order to solve the problems of the prior art, the invention provides a kind of prevent product neck from rupturing filling forming method and injection forming mould.
The invention provides a kind of filling forming method preventing product neck from rupturing, comprise the following steps:
A, to be in the milk to injection forming mould;
B, described injection forming mould carry out midge, form young base after overfall;
C, described injection forming mould to be stood upside down up and down;
D, described injection forming mould continue midge, and the dry after-contraction of described young base forms green compact;
E, the forming bottom die of described injection forming mould is replaced by support bed die, described support bed die and described green compact are abutted against;
F, by upright up and down for described injection forming mould;
G, the demoulding.
As a further improvement on the present invention, described injection forming mould comprise the cover mold for shaping slip casting product oral area, the body mould for shaping slip casting product neck and belly, for the forming bottom die bottom shaping slip casting product with for supporting the support bed die bottom slip casting product, in described step C, the forming bottom die of described injection forming mould is positioned on described body mould, described body mould is positioned on described cover mold.
As a further improvement on the present invention, described step e is: the forming bottom die of described injection forming mould is replaced by support bed die, is positioned on described body mould by described support bed die, and the bottom of described support bed die and described green compact is abutted against.
As a further improvement on the present invention, described step F is: by upright for the described injection forming mould stood upside down up and down, make described support bed die support the bottom of described green compact, described cover mold is positioned on described body mould, described body mould is positioned on described support bed die.
As a further improvement on the present invention, described steps A is: ceramic powder is made into the mud with mobility, injected in the die cavity of described injection forming mould by described mud, described step B is: carry out midge by described injection forming mould to described mud, form young base after overfall.
Present invention also offers a kind of injection forming mould preventing product neck from rupturing; comprise the cover mold for shaping slip casting product oral area, the body mould for shaping slip casting product neck and belly, for the forming bottom die bottom shaping slip casting product with for supporting the support bed die bottom slip casting product; one end of described body mould is connected with described cover mold; the other end of described body mould and described forming bottom die or support bed die and be connected; wherein, described forming bottom die, support bed die interchangeable.
As a further improvement on the present invention, described forming bottom die is provided with the shaping boss bottom for shaping slip casting product, and described support bed die is provided with the support rim for supporting bottom slip casting product, and the height of described support rim is greater than the height of described shaping boss.
As a further improvement on the present invention, described support rim comprises the first support rim supporting slip casting product base flange and the second support rim supporting slip casting product bottom groove, and described second support rim is arranged on described first support rim.
As a further improvement on the present invention, be provided with stage portion between described second support rim and described first support rim, described first support rim is the frustum of a cone, and described second support rim is the frustum of a cone.
As a further improvement on the present invention, described cover mold is provided with the cover mold die cavity for shaping slip casting product oral area, described cover mold die cavity is circular cone shape, described body mould is provided with body mould die cavity, described body mould die cavity comprises for the neck die cavity of shaping slip casting product neck and the belly die cavity for shaping slip casting product belly, described belly die cavity is arc-shaped recess, and described neck die cavity is arc convex.
The invention has the beneficial effects as follows: pass through such scheme, first injection forming mould is stood upside down up and down, young base is formed after grouting, midge, overfall, formed in the contraction process of green compact at young base, utilize the impact of gravity, by the contraction distortion that the contraction distortion of slip casting product neck transfer is bottom slip casting product, thus avoid the defect of slip casting product neck fracture.
Accompanying drawing explanation
Fig. 1 is the structural representation of the injection forming product that mouth is large, neck is thin, abdomen is thick;
Fig. 2 is the structural representation of traditional injection forming mould;
Fig. 3 adopts traditional filling forming method to carry out the schematic diagram be in the milk;
Fig. 4 adopts traditional filling forming method to carry out the schematic diagram that midge forms young base;
Fig. 5 is the schematic diagram adopting traditional filling forming method to carry out midge formation green compact;
Fig. 6 is the schematic diagram adopting traditional filling forming method to cause slip casting product neck to rupture;
Fig. 7 is the decomposition texture schematic diagram of a kind of injection forming mould preventing product neck from rupturing of the present invention;
Fig. 8 is the structural representation of the support bed die of a kind of injection forming mould preventing product neck from rupturing of the present invention;
Fig. 9 is the schematic diagram adopting a kind of filling forming method preventing product neck from rupturing of the present invention to form green compact;
Schematic diagram after injection forming mould is upright up and down in the step F of a kind of filling forming method preventing product neck from rupturing of employing the present invention of Figure 10;
Figure 11 adopts the schematic diagram in a kind of filling forming method step F preventing product neck from rupturing of the present invention after the demoulding;
Figure 12 is the structural representation of the green compact adopting a kind of filling forming method preventing product neck from rupturing of the present invention shaping;
Figure 13 is the structural representation of a kind of injection forming mould preventing product neck from rupturing of the present invention.
Detailed description of the invention
Illustrate below in conjunction with accompanying drawing and detailed description of the invention the present invention is further described.
Drawing reference numeral in Fig. 1 to Figure 13 is: cover mold 1; Cover mold die cavity 11; Body mould 2; Neck die cavity 21; , belly die cavity 22; Forming bottom die 3; Shaping boss 31; Support bed die 4; Support rim 41; First support rim 411; Second support rim 412; The die cavity 5 of injection forming mould; Mud 100; Young base 200; Oral area 201; Neck 202; Belly 203; Bottom 204; Green compact 300; Oral area 301; Neck 302; Belly 303; Bottom 304; Flange 3041; Groove 3042.
As shown in Fig. 7 to Figure 13, a kind of filling forming method preventing product neck from rupturing, comprises the following steps:
A, under room temperature 20 ~ 30 degrees Celsius of environment, to be in the milk to injection forming mould;
B, under room temperature 20 ~ 30 degrees Celsius of environment, described injection forming mould carries out midge, and after overfall, forming an ancient piece of jade, round, flat and with a hole in its centre thick is the young base 200 of 3 ~ 4.5 millimeters, and described young base 200 comprises oral area 201, neck 202, belly 203 and bottom 204;
C, under room temperature 20 ~ 30 degrees Celsius of environment, described injection forming mould to be stood upside down up and down;
D, under room temperature 20 ~ 30 degrees Celsius of environment, described injection forming mould continues midge, and the dry after-contraction of described young base 200 forms green compact 300, and described green compact 300 comprise oral area 301, neck 302, belly 303 and bottom 304;
E, the forming bottom die 3 of described injection forming mould is replaced by supports bed die 4, described support bed die 4 is abutted against with described green compact 300;
F, by upright up and down for described injection forming mould, support bed die 4 is made to support described green compact 300;
Slip casting product and green compact 300 are formed after G, the demoulding.
As shown in Fig. 7 to Figure 13, described injection forming mould comprise the cover mold 1 for shaping slip casting product oral area, the body mould 2 for shaping slip casting product neck and belly, for the forming bottom die 3 bottom shaping slip casting product with for supporting the support bed die 4 bottom slip casting product, in described step C, the forming bottom die 3 of described injection forming mould is positioned on described body mould 2, described body mould 2 is positioned on described cover mold 1, forms the injection forming mould stood upside down up and down.
As shown in Fig. 7 to Figure 13, described step e is specially: the distance calculating 304 grooves 3042 bottom body mould 2 and green compact 300, the height of the support rim 41 of punch 4 is supported according to this distance relative set, the height of the support rim 41 of support punch 4 is made to equal the distance of 304 grooves 3042 bottom body mould 2 and green compact 300, the forming bottom die 3 of described injection forming mould is replaced by and supports bed die 4, described support bed die 4 is positioned on described body mould 2, described support bed die 4 is abutted against with bottom 304 groove 3042 of described green compact 300.
As shown in Fig. 7 to Figure 13, by the described injection forming mould reversion of standing upside down up and down, make described injection forming mould upright up and down, make described support bed die 4 support the bottom 304 of described green compact 300, described cover mold 1 is positioned on described body mould 2, described body mould 2 is positioned on described support bed die 4.
As shown in Fig. 7 to Figure 13, described steps A is specially: ceramic powder is made into the mud 100 with mobility, is injected by described mud 100 in the die cavity 5 of described injection forming mould.
As shown in Fig. 7 to Figure 13, described step B is specially: carry out midge by described injection forming mould to described mud 100, forms young base 200 afterwards at overfall (namely mud 100 being taken out).
As shown in Fig. 7 to Figure 13, present invention also offers a kind of injection forming mould preventing product neck from rupturing, comprise the cover mold 1 for shaping slip casting product oral area, the body mould 3 for shaping slip casting product neck 2 and belly, for the forming bottom die 3 bottom shaping slip casting product with for supporting the support bed die 4 bottom slip casting product, one end of described body mould 2 is connected with described cover mold 1, the other end of described body mould 2 and described forming bottom die 3 or support bed die 4 and be connected, wherein, described forming bottom die 3, support bed die 4 interchangeable.
As shown in Fig. 7 to Figure 13, described forming bottom die 3 is provided with the shaping boss 31 bottom for shaping slip casting product, described support bed die 4 is provided with the support rim 41 for supporting bottom slip casting product, and the height of described support rim 41 is greater than the height of described shaping boss 31.
As shown in Fig. 7 to Figure 13, described support rim 41 comprises the first support rim 411 supporting 304 flanges 3041 bottom green compact 300 and the second support rim 412 supporting 304 grooves 3242 bottom green compact 300, and described second support rim 412 is arranged on described first support rim 411.
As shown in Fig. 7 to Figure 13, be provided with stage portion between described second support rim 412 and described first support rim 411, described first support rim 411 is the frustum of a cone, and described second support rim 412 is the frustum of a cone.
As shown in Fig. 7 to Figure 13, described cover mold 1 is provided with the cover mold die cavity 11 for shaping slip casting product oral area, described cover mold die cavity 11 is circular cone shape, described body mould 2 is provided with body mould die cavity, described body mould die cavity comprises for the neck die cavity 21 of shaping slip casting product neck and the belly die cavity 22 for shaping slip casting product belly, described belly die cavity 22 is arc-shaped recess, and described neck die cavity 21 is arc convex.
As shown in Fig. 7 to Figure 13, provided by the invention a kind of prevent product neck from rupturing filling forming method and injection forming mould, first injection forming mould is stood upside down up and down, young base 200 is formed after grouting, midge, overfall, formed in the contraction process of green compact 300 at young base 200, utilize the impact of gravity, be the contraction distortion bottom slip casting product by the contraction distortion of slip casting product neck transfer, thus avoid the defect of slip casting product neck fracture.
Above content is in conjunction with concrete preferred embodiment further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. the filling forming method preventing product neck from rupturing, is characterized in that, comprises the following steps:
A, to be in the milk to injection forming mould;
B, described injection forming mould carry out midge, form young base after overfall;
C, described injection forming mould to be stood upside down up and down;
D, described injection forming mould continue midge, and the dry after-contraction of described young base forms green compact;
E, the forming bottom die of described injection forming mould is replaced by support bed die, described support bed die and described green compact are abutted against;
F, by upright up and down for described injection forming mould;
G, the demoulding.
2. prevent the filling forming method that product neck ruptures according to claim 1, it is characterized in that: described injection forming mould comprise the cover mold for shaping slip casting product oral area, the body mould for shaping slip casting product neck and belly, for the forming bottom die bottom shaping slip casting product with for supporting the support bed die bottom slip casting product, in described step C, the forming bottom die of described injection forming mould is positioned on described body mould, described body mould is positioned on described cover mold.
3. prevent the filling forming method that product neck ruptures according to claim 2, it is characterized in that: described step e is: the forming bottom die of described injection forming mould is replaced by support bed die, described support bed die is positioned on described body mould, the bottom of described support bed die and described green compact is abutted against.
4. prevent the filling forming method that product neck ruptures according to claim 3, it is characterized in that: described step F is: by upright for the described injection forming mould stood upside down up and down, described support bed die is made to support the bottom of described green compact, described cover mold is positioned on described body mould, described body mould is positioned on described support bed die.
5. prevent the filling forming method that product neck ruptures according to claim 1, it is characterized in that: described steps A is: ceramic powder is made into the mud with mobility, described mud is injected in the die cavity of described injection forming mould, described step B is: carry out midge by described injection forming mould to described mud, form young base after overfall.
6. the injection forming mould preventing product neck from rupturing; it is characterized in that: comprise the cover mold for shaping slip casting product oral area, the body mould for shaping slip casting product neck and belly, for the forming bottom die bottom shaping slip casting product with for supporting the support bed die bottom slip casting product; one end of described body mould is connected with described cover mold; the other end of described body mould and described forming bottom die or support bed die and be connected; wherein, described forming bottom die, support bed die interchangeable.
7. prevent the injection forming mould that product neck ruptures according to claim 6, it is characterized in that: described forming bottom die is provided with the shaping boss bottom for shaping slip casting product, described support bed die is provided with the support rim for supporting bottom slip casting product, and the height of described support rim is greater than the height of described shaping boss.
8. prevent the injection forming mould that product neck ruptures according to claim 7, it is characterized in that: described support rim comprises the first support rim supporting slip casting product base flange and the second support rim supporting slip casting product bottom groove, and described second support rim is arranged on described first support rim.
9. prevent the injection forming mould that product neck ruptures according to claim 8, it is characterized in that: between described second support rim and described first support rim, be provided with stage portion, described first support rim is the frustum of a cone, and described second support rim is the frustum of a cone.
10. prevent the injection forming mould that product neck ruptures according to claim 6, it is characterized in that: described cover mold is provided with the cover mold die cavity for shaping slip casting product oral area, described cover mold die cavity is circular cone shape, described body mould is provided with body mould die cavity, described body mould die cavity comprises for the neck die cavity of shaping slip casting product neck and the belly die cavity for shaping slip casting product belly, described belly die cavity is arc-shaped recess, and described neck die cavity is arc convex.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210363299.8A CN102862213B (en) | 2012-09-26 | 2012-09-26 | A kind of prevent product neck from rupturing filling forming method and injection forming mould |
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| CN201210363299.8A CN102862213B (en) | 2012-09-26 | 2012-09-26 | A kind of prevent product neck from rupturing filling forming method and injection forming mould |
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| CN102862213B true CN102862213B (en) | 2015-10-28 |
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| CN110171058B (en) * | 2019-05-30 | 2021-06-01 | 安徽智汇和科技服务有限公司 | Mould supporting mechanism |
| CN111687995B (en) * | 2020-06-21 | 2021-09-10 | 李信 | Double-hole grouting forming mold and forming method |
| CN113547609A (en) * | 2021-07-12 | 2021-10-26 | 广东雅诚德实业有限公司 | Manufacturing method of integrated ceramic cup |
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| CN1157249A (en) * | 1996-02-12 | 1997-08-20 | 魏汉忠 | Screw mouth china wine bottle forming process |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0191409B1 (en) * | 1985-02-08 | 1989-12-20 | Hitachi, Ltd. | Slip casting method |
| CN1157249A (en) * | 1996-02-12 | 1997-08-20 | 魏汉忠 | Screw mouth china wine bottle forming process |
| CN2633762Y (en) * | 2002-04-13 | 2004-08-18 | 崔光镐 | Plastic lid ceramic bottle |
| CN2728734Y (en) * | 2004-09-23 | 2005-09-28 | 淄博德富利轻工制品有限公司 | Abnormal-shape ceramic shaping mould |
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Effective date of registration: 20150924 Address after: 518000 Guangdong City, Longhua New District view Lake Street, Yongfeng Industrial Zone, the source of the concept of road, the south side of the road 2 Applicant after: SHENZHEN GUOCI YONGFENGYUAN CERAMICS CO., LTD. Address before: Le Zhen Fu Xing Cun 666500 Simao city in Yunnan province Zhenyuan County river back en Puer City Applicant before: Yunnan Yongfengyuan Pu'er Porcelain Co., Ltd. |