CN102335985A - Die gap gas-aid ejection pin mechanism - Google Patents
Die gap gas-aid ejection pin mechanism Download PDFInfo
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- CN102335985A CN102335985A CN2010102397116A CN201010239711A CN102335985A CN 102335985 A CN102335985 A CN 102335985A CN 2010102397116 A CN2010102397116 A CN 2010102397116A CN 201010239711 A CN201010239711 A CN 201010239711A CN 102335985 A CN102335985 A CN 102335985A
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- gas
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- thimble
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Abstract
The invention discloses a die gap gas-aid ejection pin mechanism. The middle part of a die core is provided with a vertically penetrating ejection pin groove. A gap gas-aid ejection pin is inserted through the ejection pin groove. A gap exists between the middle part of the gap gas-aid ejection pin and the ejection pin groove of the die core. A gas channel is arranged in the die core. One end of the gas channel communicates with the exterior side, and the other end of the gas channel communicates with the gap. Therefore, exterior compressed gas can enter the gap through the gas channel. At the moment when the gap gas-aid ejection pin is ejected, the compressed gas is quickly led from the gap to the place between a product ejection surface and the die core, such that the vacuum state of the product ejection surface is released, and the product can be successfully ejected from the die. With the mechanism, product deformations caused by excessive ejection forces are greatly reduced.
Description
Technical field
The present invention relates to a kind of mould accessory, specifically a kind of ejector pin mechanism that can make the smooth ejection device of plastic cement products.
Background technology
Thimble is the accessory of plastic mould, is used for plastic mould, and thimble also can be push rod, pin, middle pin, holder pin etc., and in mould, thimble is used for plastic cement products is separated from mould.
But during the plastic cement products moulding, mould inside is a vacuum, because product is influenced by vacuum, thimble is difficult to smoothly it ejected, and causes the distortion of plastic cement products when the thimble ejecting force is excessive easily.
Summary of the invention
In order to address the above problem; The invention provides the auxilliary ejector pin mechanism of a kind of die clearance gas; Vacuum problem when the auxilliary ejector pin mechanism of this die clearance gas can solve most of mold releasability can eject product smoothly, can alleviate the distortion that product causes because of ejecting force is excessive greatly.
The present invention for the technical scheme that solves its technical problem and adopt is:
A kind of die clearance gas is assisted ejector pin mechanism; The mold cores middle part offers the thimble groove of up/down perforation, is interspersed with gas auxilliary thimble in gap in the thimble groove, and gas auxilliary thimble upper end diameter in said gap is greater than the center diameter; There is the gap between auxilliary thimble middle part outer surface of said gap gas and said thimble groove inner surface; Its upper end did not fit tightly with thimble groove inner surface when gas auxilliary thimble in said gap ejected, and was provided with gas passage in the said mold cores, and said gas passage one end communicates with said gap with exterior and its other end; External compression gas can feed from said gas passage; Gas auxilliary thimble lower diameter in said gap is greater than the center diameter, and gas auxilliary thimble bottom in said gap fits tightly with said thimble groove, said gap gas assist thimble when ejecting said gas passage, said gap and product eject the face three and communicate.There is the gap in the thimble groove that gas auxilliary thimble in gap of the present invention is processed into the middle part with mold cores; Outside like this Compressed Gas can be got in this gap by gas passage; The moment Compressed Gas that is ejected when the auxilliary thimble of gap gas imports product rapidly and ejects between face and mold cores from the gap; Remove the vacuum state that product ejects face, can make the smooth ejection device of product, alleviate the distortion that product causes because of ejecting force is excessive greatly.
Further technical scheme of the present invention is:
The contact-making surface of said gas passage and mold cores is provided with first sealing ring (preventing that Compressed Gas from leaking) that is used for sealing gas.
The contact-making surface of auxilliary thimble bottom of said gap gas and said thimble groove is provided with second sealing ring (preventing that Compressed Gas from leaking) that is used for sealing gas.
The invention has the beneficial effects as follows: there is the gap in the thimble groove that gas auxilliary thimble in gap of the present invention is processed into the middle part with mold cores; Outside like this Compressed Gas can be got in this gap by gas passage; The moment Compressed Gas that is ejected when the auxilliary thimble of gap gas imports product rapidly and ejects between face and mold cores from the gap; Remove the vacuum state that product ejects face, can make the smooth ejection device of product, alleviate the distortion that product causes because of ejecting force is excessive greatly.
Description of drawings
View when Fig. 1 does not eject for the auxilliary thimble of gap according to the invention gas;
View when Fig. 2 ejects for the auxilliary thimble of gap according to the invention gas.
The specific embodiment
Embodiment: a kind of die clearance gas is assisted ejector pin mechanism; Mold cores 1 middle part offers the thimble groove of up/down perforation; Be interspersed with gas auxilliary thimble 2 in gap in the thimble groove; There is gap 3 greater than the center diameter in gas auxilliary thimble upper end diameter in said gap between auxilliary thimble middle part outer surface of said gap gas and said thimble groove inner surface, and its upper end did not fit tightly with thimble groove inner surface when gas auxilliary thimble 2 in said gap ejected; Be provided with gas passage 4 in the said mold cores; Said gas passage one end communicates with said gap 3 with exterior and its other end, and external compression gas can feed from said gas passage, and gas auxilliary thimble 2 lower diameter in said gap are greater than the center diameter; Gas auxilliary thimble bottom in said gap fits tightly with said thimble groove, said gap gas assist thimble 2 when ejecting said gas passage 4, said gap 3 and product 5 eject the face three and communicate.There is the gap in the thimble groove that gas auxilliary thimble in gap of the present invention is processed into the middle part with mold cores; Outside like this Compressed Gas can be got in this gap by gas passage; The moment Compressed Gas that is ejected when the auxilliary thimble of gap gas imports product rapidly and ejects between face and mold cores from the gap; Remove the vacuum state that product ejects face, can make the smooth ejection device of product, alleviate the distortion that product causes because of ejecting force is excessive greatly.
The contact-making surface of said gas passage 4 and mold cores 1 is provided with first sealing ring 6 (preventing that Compressed Gas from leaking) that is used for sealing gas.
The contact-making surface of auxilliary thimble 2 bottoms of said gap gas and said thimble groove is provided with second sealing ring 7 (preventing that Compressed Gas from leaking) that is used for sealing gas.
Use of the present invention is following:
Outside Compressed Gas is got in the gap between gap gas auxilliary thimble middle part and said thimble groove by gas passage; The moment Compressed Gas that is ejected when the auxilliary thimble of gap gas imports product rapidly and ejects between face and mold cores from the gap; Remove the vacuum state that product ejects face, can make the smooth ejection device of product.
Claims (3)
1. a die clearance gas is assisted ejector pin mechanism; It is characterized in that: mold cores (1) middle part offers the thimble groove of up/down perforation; Be interspersed with gas auxilliary thimble (2) in gap in the thimble groove; There is gap (3) greater than the center diameter in gas auxilliary thimble upper end diameter in said gap between auxilliary thimble middle part outer surface of said gap gas and said thimble groove inner surface, and gas auxilliary thimble (2) in said gap does not fit tightly with thimble groove inner surface its upper end when ejecting; Be provided with gas passage (4) in the said mold cores; Said gas passage one end communicates with said gap (3) with exterior and its other end, and external compression gas can feed from said gas passage, and gas auxilliary thimble (2) lower diameter in said gap is greater than the center diameter; Gas auxilliary thimble bottom in said gap fits tightly with said thimble groove, said gap gas assist thimble (2) when ejecting said gas passage (4), said gap (3) and product (5) the face three of ejecting communicate.
2. die clearance according to claim 1 gas is assisted ejector pin mechanism, it is characterized in that: the contact-making surface of said gas passage (4) and mold cores (1) is provided with first sealing ring (6) that is used for sealing gas.
3. die clearance according to claim 1 gas is assisted ejector pin mechanism, it is characterized in that: the contact-making surface of auxilliary thimble (2) bottom of said gap gas and said thimble groove is provided with second sealing ring (7) that is used for sealing gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102397116A CN102335985A (en) | 2010-07-28 | 2010-07-28 | Die gap gas-aid ejection pin mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102397116A CN102335985A (en) | 2010-07-28 | 2010-07-28 | Die gap gas-aid ejection pin mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102335985A true CN102335985A (en) | 2012-02-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102397116A Pending CN102335985A (en) | 2010-07-28 | 2010-07-28 | Die gap gas-aid ejection pin mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN102335985A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112128A (en) * | 2013-01-31 | 2013-05-22 | 台州市黄岩汉威塑料模具有限公司 | Injection molding mould provided with overhead hook type part |
| CN103273560A (en) * | 2013-06-04 | 2013-09-04 | 慈溪博格曼密封材料有限公司 | Forming mold for sealing pads of exhaust pipes |
| CN105108977A (en) * | 2015-09-29 | 2015-12-02 | 京东方光科技有限公司 | Injection mold and light guide plate manufacturing device |
| CN107442764A (en) * | 2017-09-30 | 2017-12-08 | 天津市发利汽车压铸件厂 | Die casting cover half and die casting |
| CN111063653A (en) * | 2018-10-16 | 2020-04-24 | 先进装配系统有限责任两合公司 | Ejector device and method for facilitating the detachment of a component arranged on a holding membrane |
| CN113199674A (en) * | 2021-04-27 | 2021-08-03 | 嘉兴市益隆橡塑有限公司 | High-speed forming production device for rubber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05245888A (en) * | 1992-03-05 | 1993-09-24 | Nec Tohoku Ltd | Molded product release mechanism for injection molding die |
| JPH09187822A (en) * | 1996-01-11 | 1997-07-22 | Mitsubishi Materials Corp | Mold assembly with ejecting mechanism |
| CN1376830A (en) * | 2001-08-31 | 2002-10-30 | 武汉第二机床厂 | Process and mould for forming food or beverage container with plant fibres |
| CN201721019U (en) * | 2010-07-28 | 2011-01-26 | 日进教学器材(昆山)有限公司 | Gas-assisted die clearance ejection pin mechanism |
-
2010
- 2010-07-28 CN CN2010102397116A patent/CN102335985A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05245888A (en) * | 1992-03-05 | 1993-09-24 | Nec Tohoku Ltd | Molded product release mechanism for injection molding die |
| JPH09187822A (en) * | 1996-01-11 | 1997-07-22 | Mitsubishi Materials Corp | Mold assembly with ejecting mechanism |
| CN1376830A (en) * | 2001-08-31 | 2002-10-30 | 武汉第二机床厂 | Process and mould for forming food or beverage container with plant fibres |
| CN201721019U (en) * | 2010-07-28 | 2011-01-26 | 日进教学器材(昆山)有限公司 | Gas-assisted die clearance ejection pin mechanism |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112128A (en) * | 2013-01-31 | 2013-05-22 | 台州市黄岩汉威塑料模具有限公司 | Injection molding mould provided with overhead hook type part |
| CN103112128B (en) * | 2013-01-31 | 2016-06-08 | 台州市黄岩汉威塑料模具有限公司 | There is the injection mold of barb class part |
| CN103273560A (en) * | 2013-06-04 | 2013-09-04 | 慈溪博格曼密封材料有限公司 | Forming mold for sealing pads of exhaust pipes |
| CN105108977A (en) * | 2015-09-29 | 2015-12-02 | 京东方光科技有限公司 | Injection mold and light guide plate manufacturing device |
| US10562216B2 (en) | 2015-09-29 | 2020-02-18 | Boe Technology Group Co., Ltd. | Injection mold and device for preparation of light guide plate |
| CN107442764A (en) * | 2017-09-30 | 2017-12-08 | 天津市发利汽车压铸件厂 | Die casting cover half and die casting |
| CN107442764B (en) * | 2017-09-30 | 2019-07-16 | 天津市发利汽车压铸件厂 | Die casting cover half and die casting |
| CN111063653A (en) * | 2018-10-16 | 2020-04-24 | 先进装配系统有限责任两合公司 | Ejector device and method for facilitating the detachment of a component arranged on a holding membrane |
| CN113199674A (en) * | 2021-04-27 | 2021-08-03 | 嘉兴市益隆橡塑有限公司 | High-speed forming production device for rubber |
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Application publication date: 20120201 |