CN103753742B - The mould of float vulcanization formation method and enforcement the method - Google Patents
The mould of float vulcanization formation method and enforcement the method Download PDFInfo
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- CN103753742B CN103753742B CN201310737444.9A CN201310737444A CN103753742B CN 103753742 B CN103753742 B CN 103753742B CN 201310737444 A CN201310737444 A CN 201310737444A CN 103753742 B CN103753742 B CN 103753742B
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Abstract
The invention discloses a kind of can make the inner or surface of float can not trapped air float vulcanization formation method and implement the mould of the method, thus make the Density Distribution of float even, oil resistance stability improves simultaneously, and then improve the reliability of float and durability, 1), mould and die preheating it has following steps:; 2), raw material is put into mould; 3), mould pressurizes to raw material, raw material melted and flows into mold cavity, period, and mould pumps raw material that extruding melts air extrusion to be discharged for the template of pressurizeing; 4), float sulfidization molding completes, die sinking by float from mold ejection; 5), 2 are repeated) ~ 4) carry out circulation production.
Description
Technical field
The present invention relates to float field shaping technique, is specifically a kind of float vulcanization formation method and the mould implementing the method.
Background technology
Existing float vulcanization formation method is after float is shaping, and the inner or surperficial trapped air of float, causes the uneven or skin breakage of the Density Distribution of float, make the oil resistance stability of float not high, and then reduce reliability and the durability of float.
Summary of the invention
The technical problem to be solved in the present invention is, there is provided a kind of can make the inner or surface of float can not trapped air float vulcanization formation method and implement the mould of the method, thus make the Density Distribution of float even, oil resistance stability improves simultaneously, and then improves reliability and the durability of float.
1), mould and die preheating technical scheme of the present invention is, float vulcanization formation method of the present invention, and it has following steps:; 2), raw material is put into mould; 3), mould pressurizes to raw material, raw material melted and flows into mold cavity, period, and mould pumps raw material that extruding melts air extrusion to be discharged for the template of pressurizeing; 4), float sulfidization molding completes, die sinking by float from mold ejection; 5), 2 are repeated) ~ 4) carry out circulation production.
After adopting said structure, the present invention compared with prior art, have the following advantages: because mould pressurizes to raw material, raw material is melted and flows into mold cavity, period, mould for the template of pressurizeing pump extruding melt raw material so that air extrusion is discharged, this makes it possible to make the inner or surface of float can not trapped air, just there is not the defect that air brings yet, so the present invention has and can make the inner or surface of float can not the advantage of trapped air, thus make the Density Distribution of float even, oil resistance stability improves simultaneously, and then improve reliability and the durability of float.
As the improvement of method, the patrix temperature of mould controls within the scope of 121 DEG C ± 5 DEG C, the counterdie temperature of mould controls within the scope of 115 DEG C ± 5 DEG C, the patrix of described mould is used for raw material pressurization, raw material being melted and flowing into the counterdie of mould, for shaping float after the counterdie of mould and the Ccope closing machine of mould; The pressure limit of pressurizeing to raw material is 110 ± 10 kilograms/square centimeter, and extrusion passes is 4 ~ 6 times, and extruding amplitude is 1 centimetre, cure time is 1200 seconds, above-mentioned preferred parameter can be vented better, simultaneously more efficiently shaping float, and Forming Quality is reliable and stable.
Technical scheme of the present invention additionally provides a kind of mould implementing float vulcanization formation method, it comprises the first template, the second template, the 3rd template that sequentially arrange and can be separated from each other from top to bottom, first template is provided with the projection for pressurizeing to raw material, second template is provided with for placing raw material and the depression matched with projection, second template is also provided with some through holes and flows out to enter in the die cavity being located at the 3rd template for the raw material melted from depression, this mould structure is simple, can realize the object be vented well, shaping efficiency is high simultaneously.
As the improvement of mould, concave bottom is provided with some grooves of the distribution in longitude and latitude, each longitude and latitude node is provided with described through hole, through hole is direction setting straight down, like this, while realizing the raw material fast guiding melted, air can be discharged as far as possible quickly and efficiently, thus guarantee exhaust quality, improve shaping efficiency, be more conducive to the reliable and stable of Forming Quality.
As the improvement of mould, second template bottom surface is provided with the top of forming cavity, the die cavity of the 3rd template is respectively middle part and the bottom of forming cavity, 3rd template comprises the middle plate and base plate that sequentially arrange and can be separated from each other from top to bottom, middle plate arranges described middle part, base plate arranges described bottom, and the second template, middle plate and the mutual split of base plate form complete forming cavity; The outlet of through hole is positioned at the top on described top, like this, the shaping float completed can more conveniently eject by this structure efficiently, ejection process is, the second template, middle plate and base plate are separated from each other, and middle plate upper surface puts the liftout plate being provided with some thimbles straight down, then, middle plate rises and drives liftout plate and the second template to offset, and when liftout plate is pressed down by the second template, each float being arranged in plate ejects downwards by thimble nature.
As the improvement of mould, the cross section of groove is inverted trapezoidal, like this, while realizing the raw material fast guiding melted, air can be discharged as far as possible quickly and efficiently, thus ensure exhaust quality, improve shaping efficiency, be more conducive to the reliable and stable of Forming Quality.
As the improvement of mould, the entrance of through hole is horn mouth, inverted round stage hole in other words conj.or perhaps, like this, while realizing the raw material fast guiding melted, air can be discharged as far as possible quickly and efficiently, thus ensure exhaust quality, improve shaping efficiency, be more conducive to the reliable and stable of Forming Quality.
As the improvement of mould, it also comprises the plug in the hole for shaping float being located at base plate, the improvement of this plug makes float not need later stage punching as prior art, this hole once generates when shaping, avoid the later stage to punch and there is the defect that labour intensity is large, work situation is poor, punching causes float oil resistivity variation etc., improve production efficiency, ensure that the quality of production.
Accompanying drawing explanation
Fig. 1 is the explosive view of the mould of the invention process float vulcanization formation method.
Fig. 2 is the sectional view of the mould of the invention process float vulcanization formation method.
Fig. 3 is the top view of the second template of the mould of the invention process float vulcanization formation method.
Shown in figure, the 1, first template, 1.1, protruding, the 2, second template, 2.1, depression, 2.2, through hole, 2.3, groove, 3, top, 4, middle part, 5, bottom, 6, middle plate, 7, base plate, 8, fixed head, 9, plug.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Float vulcanization formation method of the present invention, 1), mould and die preheating it has following steps:; 2), raw material is put into mould; 3), mould pressurizes to raw material, raw material melted and flows into mold cavity, period, and mould pumps raw material that extruding melts air extrusion to be discharged for the template of pressurizeing; 4), float sulfidization molding completes, die sinking by float from mold ejection; 5), 2 are repeated) ~ 4) carry out circulation production.
The patrix temperature of mould controls within the scope of 121 DEG C ± 5 DEG C, the counterdie temperature of mould controls within the scope of 115 DEG C ± 5 DEG C, the patrix of described mould is used for raw material pressurization, raw material being melted and flowing into the counterdie of mould, for shaping float after the counterdie of mould and the Ccope closing machine of mould; The pressure limit of pressurizeing to raw material is 110 ± 10 kilograms/square centimeter, and extrusion passes is 4 ~ 6 times, and extruding amplitude is 1 centimetre, and cure time is 1200 seconds.
A kind of mould implementing described float vulcanization formation method, it comprises the first template 1, second template 2, the 3rd template that sequentially arrange and can be separated from each other from top to bottom, first template 1 is provided with the projection 1.1 for pressurizeing to raw material, second template 2 is provided with and flows out to enter in the die cavity being located at the 3rd template from depression 2.1 for the raw material melted for placing raw material and being also provided with some through holes 2.2 with protruding 1.1 depression 2.1, second templates 2 matched.
Be provided with some grooves 2.3 of the distribution in longitude and latitude bottom depression 2.1, each longitude and latitude node is provided with described through hole 2.2, and through hole 2.2 is in direction setting straight down; The cross section of groove 2.3 is inverted trapezoidal, like this, while realizing the raw material fast guiding melted, air can be discharged as far as possible quickly and efficiently, thus ensure exhaust quality, improve shaping efficiency, be more conducive to the reliable and stable of Forming Quality.
Second template 2 bottom surface is provided with the top 3 of forming cavity, the die cavity of the 3rd template is respectively middle part 4 and the bottom 5 of forming cavity, 3rd template comprises the middle plate 6 and base plate 7 that sequentially arrange and can be separated from each other from top to bottom, base plate 7 is arranged on fixed head 8, fixed head 8 uses as the pedestal of view picture mould, middle plate 6 arranges described middle part 4, and base plate 7 arranges the mutual split of described bottom 5, second template 2, middle plate 6 and base plate 7 and forms complete forming cavity; The outlet of through hole 2.2 is positioned at the top on described top 3, the entrance of through hole 2.2 is horn mouth or perhaps inverted round stage hole, like this, while realizing the raw material fast guiding melted, air can be discharged as far as possible quickly and efficiently, thus guarantee exhaust quality, improve shaping efficiency, be more conducive to the reliable and stable of Forming Quality.
In Fig. 2, also be decorated with the plug 9 in the hole for shaping float being located at base plate 7, Fig. 1 omits and does not draw, the improvement of this plug 9 makes float not need later stage punching as prior art, this hole once generates when shaping, avoid the later stage to punch and there is the defect that labour intensity is large, work situation is poor, punching causes float oil resistivity variation etc., improve production efficiency, ensure that the quality of production; Certainly, design also there is the float without the need to perforate, only plug 9 need be removed.
Claims (7)
1. a float vulcanization formation method, it is characterized in that, the die cavity of mould therefor is formed by sequentially arranging the mutual split of the second template (2), middle plate (6) and the base plate (7) that can be separated from each other from top to bottom, second template (2) bottom surface is provided with the top (3) of forming cavity, the middle part (4) of die cavity is arranged to by middle plate (6), 1), mould and die preheating base plate (7) is arranged to the bottom (5) of die cavity, and the method has following steps:; 2), raw material is put into mould; 3), mould pressurizes to raw material, raw material melted and flows into mold cavity, period, and mould pumps raw material that extruding melts air extrusion to be discharged for the template of pressurizeing; 4), float sulfidization molding completes, second template, middle plate and base plate are separated from each other, middle plate upper surface puts the liftout plate being provided with some thimbles straight down, then, middle plate rises and drives liftout plate and the second template to offset, when liftout plate is pressed down by the second template, each float being arranged in plate ejects downwards by thimble nature; 5), 2 are repeated) ~ 4) carry out circulation production.
2. float vulcanization formation method according to claim 1, it is characterized in that, the patrix temperature of mould controls within the scope of 121 DEG C ± 5 DEG C, the counterdie temperature of mould controls within the scope of 115 DEG C ± 5 DEG C, the patrix of described mould is used for raw material pressurization, raw material being melted and flowing into the counterdie of mould, for shaping float after the counterdie of mould and the Ccope closing machine of mould; The pressure limit of pressurizeing to raw material is 110 ± 10 kilograms/square centimeter, and extrusion passes is 4 ~ 6 times, and extruding amplitude is 1 centimetre, and cure time is 1200 seconds.
3. one kind implements the claims the mould of the float vulcanization formation method described in 1, it is characterized in that, it comprises the first template (1) sequentially arranging and can be separated from each other from top to bottom, second template (2), 3rd template, first template (1) is provided with the projection (1.1) for pressurizeing to raw material, second template (2) is provided with for placing raw material and the depression (2.1) matched with protruding (1.1), second template (2) be also provided with some through holes (2.2) for melt raw material from depression (2.1) outflow with enter be located at the 3rd template die cavity in, second template (2) bottom surface is provided with the top (3) of forming cavity, the die cavity of the 3rd template is respectively middle part (4) and bottom (5) of forming cavity, 3rd template comprises the middle plate (6) and base plate (7) that sequentially arrange and can be separated from each other from top to bottom, middle plate (6) arranges described middle part (4), base plate (7) arranges described bottom (5), second template (2), middle plate (6) and base plate (7) mutually split form complete forming cavity, the outlet of through hole (2.2) is positioned at the top of described top (3).
4. mould according to claim 3, it is characterized in that, depression (2.1) bottom is provided with some grooves (2.3) of the distribution in longitude and latitude, and each longitude and latitude node is provided with described through hole (2.2), and through hole (2.2) is in direction setting straight down.
5. mould according to claim 4, is characterized in that, the cross section of groove (2.3) is inverted trapezoidal.
6. mould according to claim 3, is characterized in that, the entrance of through hole (2.2) is horn mouth.
7. mould according to claim 3, is characterized in that, it also comprises the plug (9) in the hole for shaping float being located at base plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310737444.9A CN103753742B (en) | 2013-12-27 | 2013-12-27 | The mould of float vulcanization formation method and enforcement the method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310737444.9A CN103753742B (en) | 2013-12-27 | 2013-12-27 | The mould of float vulcanization formation method and enforcement the method |
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| Publication Number | Publication Date |
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| CN103753742A CN103753742A (en) | 2014-04-30 |
| CN103753742B true CN103753742B (en) | 2016-01-13 |
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| CN201310737444.9A Active CN103753742B (en) | 2013-12-27 | 2013-12-27 | The mould of float vulcanization formation method and enforcement the method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS6012203B2 (en) * | 1980-03-31 | 1985-03-30 | 興國ゴム工業株式会社 | Flashless mold equipment |
| CN1064582C (en) * | 1996-05-15 | 2001-04-18 | 南彰实业股份有限公司 | Rubber moulding method and device |
| CN100564008C (en) * | 2008-05-09 | 2009-12-02 | 天津工业大学 | A kind of resin transfer molding (RTM) process prepares the equipment and the method for composite |
| JP5498530B2 (en) * | 2012-05-18 | 2014-05-21 | 住友ゴム工業株式会社 | Transfer molding apparatus and rubber product manufacturing method using the same |
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Address after: 315174 ancient industrial zone, Gaoqiao Town, Ningbo, Zhejiang, Yinzhou District Patentee after: Ningbo Sanfeng Mechatronics Co., Ltd. Address before: 315174 ancient industrial zone, Gaoqiao Town, Ningbo, Zhejiang, Yinzhou District Patentee before: Ningbo Sanfeng Mechatronics Co., Ltd |
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Address after: 315174 Gu'an Industrial Zone, Gaoqiao Town, Haishu District, Ningbo City, Zhejiang Province Patentee after: NINGBO SANFENG ENTERPRISE MACHINERY AND ELECTRONICS Co.,Ltd. Address before: 315174 Gu'an Industrial Zone, Gaoqiao Town, Yinzhou District, Ningbo City, Zhejiang Province Patentee before: NINGBO SANFENG ENTERPRISE MACHINERY AND ELECTRONICS Co.,Ltd. |
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