CN1274480C - Injection moulding process and apparatus for plastic diaphragm of press filter - Google Patents
Injection moulding process and apparatus for plastic diaphragm of press filter Download PDFInfo
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- CN1274480C CN1274480C CN 03101314 CN03101314A CN1274480C CN 1274480 C CN1274480 C CN 1274480C CN 03101314 CN03101314 CN 03101314 CN 03101314 A CN03101314 A CN 03101314A CN 1274480 C CN1274480 C CN 1274480C
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a moulding process for a plastic diaphragm and an apparatus for realizing the process. Plastic raw materials are heated and plasticized by an injection machine, are injected into a hot runner in a plastic diaphragm mould and then enter the mould cavity of the plastic diaphragm mould through a heating nozzle to be moulded; the mould is opened after the plastic raw materials are cooled and moulded, and a mould plate can be taken out. The present invention has the advantages that the design of an injection hot runner material transmitting structure ensures that the materials can uniformly enter every section of the mould cavity of the plastic diaphragm mould after being plasticized by the injection machine to realize the manufacture of thin-wall diaphragms with oversize breadth; the design of combining a hot runner mould and the injection section of the injection machine solves the difficult problem of long production period, low efficiency, high cost and low smoothness in the background art, particularly the manufacture of thin-wall plastic diaphragms.
Description
Technical field:
The present invention relates to a kind of plastic diaphragms forming method, and, belong to filter press barrier film and filter press barrier film manufacturing equipment and make the field for realizing the equipment of this method.
Background technology:
In existing technology, one of technology of processing and fabricating plastic diaphragms is put into existing shaping mould with plastic raw materials, then with the shaping mould heating, makes plastic raw materials fusing back mold pressing, cooling forming.The weak point of this kind technology: the one, adopt this explained hereafter barrier film, the production cycle is long, efficient is low, the cost height; The 2nd, product glossiness can not show a candle to the product glossiness height of injection mo(u)lding.
Summary of the invention:
Purpose of design of the present invention: at first solve and have weak point in the background technology, provide a kind of and will have the injection mo(u)lding that the plastic product injection molding method is used for plastic diaphragms now, with solve the fineness that background technology exists poor, can't realize the automation injecting plastic forming; The 2nd, adopt the hot runner molding mould partly to match with the injection moulding of injection machine, diaphragm was got in die sinking after its plastic raw materials directly partly injected hot runner molding die for molding, cooling by the injection moulding of injection machine, not only production efficiency height, good, the stable and reliable product quality of product glossiness are specially adapted to the making of thin-walled barrier film; The 3rd, adopt the injection moulding part of hydraulic press die sinking and matched moulds, injection machine directly to get diaphragm to the injection mo(u)lding of hot flow path mould, cooling back die sinking, reached reduce significantly investment of production equipment, significantly reduce production costs in, its production efficiency improves significantly, stable and reliable product quality, surface smoothness height are specially adapted to the making of super large barrier film; The 4th, adopt plastic diaphragms mould with hot flow path function, not only guarantee the good fluidity after the plastic raw materials plasticizing, and have laid a good foundation for thin-walled or moulding large-scale or oversized plastic diaphragms.
Design: in order to realize above-mentioned purpose of design.1. the injection mo(u)lding that the injection moulding of injection machine partly is used for the press filter plastic barrier film is one of characteristics of the present invention, plastics injection mo(u)lding fast in forcing injected plastic diaphragm forming mould after the injection moulding of purpose process injection machine partly plastifies is to realize one of purpose of design of the present invention.2. on the basis of existing plastic diaphragms mould, increasing the defeated material of hot flow path insulation structure Design in the mould is two of characteristics of the present invention, purpose guarantees that the injection moulding of injection machine partly can enter its plasticizing back plastics the various piece in the plastic diaphragms forming cavity equably, to realize the making of super large breadth thin-walled barrier film.The effect of hot flow path: in the process of the mold cavity of the plastics pressure injected plastic barrier film after will plastify by the injection moulding of injection machine part, for the flowability that guarantees that it is good, in the nozzle of approach that plastics pass through and plastics ejection, be equipped with the heat tracing structure, even with the plastics that guarantee to enter in the mold cavity, lay a solid foundation thereby make for the barrier film of thin-walled and super large breadth.3. the hot runner molding mould partly being combined with the injection moulding of injection machine is three of characteristics of the present invention, the design of this technical scheme, solved injection machine that background technology exists and influenced by its mould structure and a difficult problem that can't injection moulding press filter plastic barrier film, the injection mo(u)lding that has particularly solved the thin-walled plastic barrier film.The injection moulding part material feeding of 4. hot road mould employing hydraulic press matched moulds and die sinking, employing injection machine is four of characteristics of the present invention, adopt hydraulic press matched moulds and die sinking, the injection moulding part material feeding of small injecting machine partly, is particularly adopted in the injection moulding of employing injection machine, not only reduced significantly equipment investment, significantly reduced production cost, enhance productivity significantly, and stable and reliable product quality, product surface fineness is better, the more important thing is to have solved the difficult problem that large format, ultra-thin-wall plastic diaphragms can't injection mo(u)ldings.5. plastic diaphragms mould employing secondary matched moulds is five of characteristics of the present invention, matched moulds constitutes plastic diaphragms mould die cavity for the first time, the thickness of this die cavity is greater than the actual size of moulding plastics barrier film, for the injection moulding part of the injection mo(u)lding of plastic diaphragms and injection machine fast material feeding quantitative space is provided, and the quick matched moulds of plastic diaphragms mould secondary, guaranteed that then the plasticizing plastics in the plastic diaphragms die cavity are expressed to the various piece of die cavity equably, realize the quick injection mo(u)lding of plastic diaphragms.
Technical scheme:
1. press filter plastic barrier film injection molding method, the press filter plastic barrier film adopts the injection moulding part injection mo(u)lding of plastic diaphragms mould and injection machine.
2. press filter plastic barrier film injection molding method, plastic raw materials is by behind the injection moulding part heating plasticizing of injection machine, hot flow path in the injected plastic diaphragm forming mould, die sinking can be taken out diaphragm behind moulding in heated nozzle enters the plastic diaphragms mold cavity, the cooling and shaping again.
3. die sinking can be taken out diaphragm after the unit equipment that is used for the injection mo(u)lding of press filter plastic barrier film, mould adopted hydraulic press matched moulds and die sinking, the material feeding of employing injection machine to enter moulding in the die cavity of mould, cooling and shaping.
4. press filter plastic barrier film injection molding method, after hot runner molding mould or shaping mould adopted the hydraulic press matched moulds, the die sinking of employing hydraulic press can be taken out diaphragm behind moulding in the die cavity that the plastic raw materials after the injection moulding of injection machine part will plastify injects in the forming cavity of mould or hot flow path and nozzle by mould enter mould, the cooling and shaping.
5. press filter plastic barrier film injection molding method, the plastic diaphragms mould adopts the secondary matched moulds, matched moulds constitutes plastic diaphragms mould die cavity for the first time, the thickness of its die cavity is greater than the actual size of plastic diaphragms moulding, moment in the die cavity of the plastics injected plastic barrier film after the injection moulding of injection machine is partly forced to plastify at this moment, the quick matched moulds of plastic diaphragms mould secondary, plasticizing plastics in the plastic diaphragms die cavity are expressed to the various piece moulding of die cavity equably, and die sinking can be taken out diaphragm behind the cooling and shaping.
The present invention compares with background technology, the defeated material of injection moulding hot runner insulation structure Design, material can enter the various piece in the plastic diaphragms forming cavity equably after the injection moulding part of assurance injection machine plastified it, to realize the making of super large breadth (as: more than 3000mm * 3000mm) plastic thin wall barrier film; The 2nd, hot runner molding mould and the design that the injection moulding of injection machine partly combines have solved the difficult problem that production cycle is long, efficient is low, cost is high and fineness is low that background technology exists, the making that has particularly solved the thin-walled plastic barrier film; The 3rd, the material feeding structure Design of the injection moulding part of hot road mould employing hydraulic press matched moulds and die sinking, injection machine, not only reduced significantly equipment investment, significantly reduced production cost, enhance productivity significantly, and stable and reliable product quality, product surface fineness is better, the more important thing is to have solved the difficult problem that the above ultra-thin-wall press filter plastic of large format 3000mm * 3000mm barrier film can't injection mo(u)lding; The 4th, the technology of hot runner molding mould employing hydraulic press matched moulds and die sinking, the material feeding of employing injection machine can be used for the making of press filter plastic barrier film: the 5th, and the plastic diaphragms mould adopts the secondary matched moulds, not only the plasticizing plastics in the plastic diaphragms die cavity are expressed to equably the various piece moulding of die cavity, and realize the purpose of plastic diaphragms injection moulding rapid shaping, solved that people want to solve for a long time and the difficult problem that not have solution.
Description of drawings:
Fig. 1 is the structural representation of plastic diaphragms hot runner molding mould.
Fig. 2 is the unit equipment block diagram that is used for the injection mo(u)lding of press filter plastic barrier film.
The specific embodiment:
Embodiment 1: with reference to accompanying drawing 1.Press filter plastic barrier film injection molding apparatus, plastic diaphragms adopt the hot runner molding mold injection molding, and hot runner mould is made of mould and the hot flow path 1 that is positioned at mould.The making of mould 3 is a prior art, and the structure of hot flow path can be various; Thermal source can be electrical heating (as the heating wire heating), also can be fluid heating (as steam, water, wet goods heating) etc.; The mode of heating can be outer heating, also can be interior heating, also self-heating: but no matter be which kind of heating arrangement, which kind of heating source, which kind of mode of heating, its temperature all can set as required at any time, temperature automatically controlled.The setting of temperature, detect and control automatically etc. all is a prior art, is not described herein at this.The hot runner molding mould is made of mould and hot flow path 1, and the hot nozzle 2 in the hot flow path is the charging aperture of mold cavity.Hot flow path has one or more hot nozzle to be the mold cavity charging aperture, one or more charging aperture is arranged, one or more than one runners is arranged.The processing and fabricating of mould is a prior art, is not described herein at this.
Embodiment 2: on the basis of embodiment 1, hot flow path 3 employing conductive exothermal materials making (function that has energising back spontaneous heating of hot flow path material itself, as the pottery etc. that generates heat) and temperature are adjustable.
Embodiment 3: press filter plastic barrier film injection molding process, plastic raw materials is by behind the injection moulding part heating plasticizing of injection machine, inject the hot flow path of hot runner molding mould, die sinking can be taken out matrix behind moulding in heated nozzle enters the plastic diaphragms mold cavity, the cooling and shaping again.
Embodiment 4: be used for the unit equipment of press filter plastic barrier film injection mo(u)lding, injection moulding part 6 material feedings of hot runner molding mould 5 employing hydraulic press 4 matched moulds and die sinking, employing injection machine.Hydraulic press 4 is the prior oil pressure machine, and the injection moulding part 6 of injection machine is the injection moulding part of existing injection machine, and mould 3 is for having the mould of hot flow path, and the three makes up the injection mo(u)lding that has realized the press filter plastic barrier film.Raw material after the injection moulding of injection machine partly plastifies by hot flow path and hot nozzle mouth directly inject moulding in the die cavity of mould, diaphragm is taken out with the hydraulic press die sinking in the cooling back.
Embodiment 5: be used for the unit equipment of press filter plastic barrier film injection mo(u)lding, injection moulding part 6 material feedings of mould 3 employing hydraulic press 4 matched moulds and die sinking, employing injection machine.Hydraulic press is the prior oil pressure machine, and the injection moulding of injection machine partly is the injection moulding part of existing injection machine, and mould is an existing mold, and the three makes up the injection mo(u)lding that has realized the press filter plastic barrier film.Diaphragm is taken out with the hydraulic press die sinking in moulding in the die cavity of raw material direct injection moulding mould after the injection moulding of injection machine partly plastifies, cooling back.
Embodiment 6: press filter plastic barrier film injection molding method, after hot runner molding mould 5 or shaping mould 3 adopted hydraulic presses 4 matched moulds, the die sinking of employing hydraulic press can be taken out matrix behind moulding in the die cavity that the plastic raw materials after the injection moulding part 6 of injection machine will plastify injects in the forming cavity of mould or hot flow path and nozzle by mould enter mould, the cooling and shaping.
Embodiment 7: press filter plastic barrier film injection molding method, the press filter plastic barrier film adopts injection moulding part 6 injection mo(u)ldings of plastic diaphragms mould 3 and injection machine.In the present embodiment, the injection moulding part 6 of injection machine is a prior art.The injection forming mold of plastic diaphragms itself have heating facility or the mode by outer heating heats, but the adjustable constant temperature of its temperature, its constant temperature value are partly to force to inject the various piece that plastics (plastics after the plasticizing) in the mould can be extruded to mould for the injection moulding that guarantees injection machine.The method of self heating of mould, outer heating, temperature adjustment, constant temperature and device all are prior art, are not described herein at this.
Embodiment 8: press filter plastic barrier film injection molding method, plastic diaphragms mould 3 adopts the secondary matched moulds, matched moulds constitutes plastic diaphragms mould die cavity for the first time, the thickness of its die cavity is greater than the actual size of plastic diaphragms moulding, moment in the die cavity of the plastics injected plastic barrier film after the injection moulding part 6 of injection machine forces to plastify at this moment, the quick matched moulds of plastic diaphragms mould secondary, plasticizing plastics in the plastic diaphragms die cavity are expressed to the various piece moulding of die cavity equably, and die sinking can be taken out diaphragm behind the cooling and shaping.
What should be understood that is: though the present invention adopts the mode of the foregoing description to have been described in detail.But this this embodiment is illustrative but not is used for limitation of the present invention, and any changes and improvements that do not exceed in the connotation scope of the present invention all fall into protection scope of the present invention.
Claims (6)
1, a kind of press filter plastic barrier film injection molding method, it is characterized in that: plastic raw materials is by behind the injection moulding part heating plasticizing of injection machine, inject the hot flow path of hot runner molding mould, die sinking can be taken out diaphragm behind moulding in heated nozzle enters the plastic diaphragms mold cavity, the cooling and shaping again.
2, press filter plastic barrier film injection molding method according to claim 1, it is characterized in that: the hot nozzle mouth in the hot flow path is the charging aperture of mold cavity; The hot runner molding mould has one or more than one hot flow paths, and hot flow path has one or more hot nozzle.
3, press filter plastic barrier film injection molding method according to claim 1 is characterized in that: material making of hot flow path employing conductive exothermal and temperature are adjustable, or hot flow path adopts thermal source to heat and temperature is adjustable.
4, press filter plastic barrier film injection molding method according to claim 1, it is characterized in that: the plastic diaphragms mould is the adjustable thermostatic mould, the injection moulding of injection machine partly is horizontal injection moulding or vertical injection moulding or angle square injection moulding.
5, press filter plastic barrier film injection molding method according to claim 1, it is characterized in that: the plastic diaphragms mould adopts the secondary matched moulds, matched moulds constitutes plastic diaphragms mould die cavity for the first time, the thickness of its die cavity is greater than the actual size of plastic diaphragms moulding, moment in the die cavity of the plastics injected plastic barrier film after the injection moulding of injection machine is partly forced to plastify at this moment, the quick matched moulds of plastic diaphragms mould secondary, plasticizing plastics in the plastic diaphragms die cavity are expressed to the various piece moulding of die cavity equably, and die sinking can be taken out diaphragm behind the cooling and shaping.
6, press filter plastic barrier film injection molding method according to claim 1, it is characterized in that: after the hot runner molding mould adopted the hydraulic press matched moulds, the die sinking of employing hydraulic press can be taken out diaphragm behind moulding in the die cavity that the plastic raw materials after the injection moulding of injection machine part will plastify injects in the forming cavity of mould or hot flow path and nozzle by mould enter mould, the cooling and shaping.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03101314 CN1274480C (en) | 2002-10-22 | 2003-01-03 | Injection moulding process and apparatus for plastic diaphragm of press filter |
| AU2003292873A AU2003292873A1 (en) | 2003-01-03 | 2003-12-26 | Method and apparatus for injection molding a plastic diaphragm of filter press |
| PCT/CN2003/001125 WO2004060631A1 (en) | 2003-01-03 | 2003-12-26 | Method and apparatus for injection molding a plastic diaphragm of filter press |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02146551 | 2002-10-22 | ||
| CN02146551.7 | 2002-10-22 | ||
| CN 03101314 CN1274480C (en) | 2002-10-22 | 2003-01-03 | Injection moulding process and apparatus for plastic diaphragm of press filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1436651A CN1436651A (en) | 2003-08-20 |
| CN1274480C true CN1274480C (en) | 2006-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03101314 Ceased CN1274480C (en) | 2002-10-22 | 2003-01-03 | Injection moulding process and apparatus for plastic diaphragm of press filter |
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| Country | Link |
|---|---|
| CN (1) | CN1274480C (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5001289B2 (en) * | 2006-09-27 | 2012-08-15 | 日本碍子株式会社 | Sprue bushing and manufacturing method thereof |
| CN101417498B (en) * | 2008-10-27 | 2012-03-28 | 朱兴源 | Manufacture method of diaphragm and filter plate |
| CN101905519A (en) * | 2010-07-20 | 2010-12-08 | 沁阳市双屿防腐设备有限公司 | Press filter plastic filter plate moulding process and device |
| CN102179892A (en) * | 2010-12-31 | 2011-09-14 | 杭州兴源过滤科技股份有限公司 | Nanometer filter plate forming mould special for filter press and forming method thereof |
| CN102179900A (en) * | 2010-12-31 | 2011-09-14 | 杭州兴源过滤科技股份有限公司 | Forming die and forming method for nano-diaphragm special for filter press |
| CN104526953B (en) * | 2014-11-04 | 2017-06-23 | 景津环保股份有限公司 | A kind of preparation method of polypropylene filter plate |
| AT519256B1 (en) * | 2017-03-20 | 2018-05-15 | Ing Gottfried Steiner Dipl | Method and device for the production of components or profiles |
| CN106880967A (en) * | 2017-05-03 | 2017-06-23 | 景津环保股份有限公司 | It is a kind of to include filter plate of woven wire and preparation method thereof |
| CN108127928A (en) * | 2017-11-15 | 2018-06-08 | 江苏悦达兴业汽车配件有限公司 | A kind of intelligent reaction injection molding(RIM) device superior for the manufacture of production mode reform disk |
-
2003
- 2003-01-03 CN CN 03101314 patent/CN1274480C/en not_active Ceased
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| Publication number | Publication date |
|---|---|
| CN1436651A (en) | 2003-08-20 |
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| C14 | Grant of patent or utility model | ||
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Owner name: ZHU XINGYUAN; ZHU JING Free format text: FORMER OWNER: ZHU XINGYUAN Effective date: 20070629 |
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Effective date of registration: 20070629 Address after: 311113 Yuhang District, Zhejiang Hangzhou Liangzhu Hangzhou Xingyuan filter Co., Ltd. Co-patentee after: Zhu Jing Patentee after: Zhu Xingyuan Address before: 311113 Yuhang District, Zhejiang Hangzhou Liangzhu Hangzhou Xingyuan filter Co., Ltd. Patentee before: Zhu Xingyuan |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20090522 Address after: Yuhang street Nanyuan District Henan city of Zhejiang province Hangzhou Tai Road No. 46 building five zip code: 311100 Patentee after: Zhu Xingyuan Address before: Yuhang street Nanyuan District Henan city of Zhejiang province Hangzhou Tai Road No. 46 building five zip code: 311100 Co-patentee before: Zhu Jing Patentee before: Zhu Xing Yuan |
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Decision date of declaring invalidation: 20120910 Decision number of declaring invalidation: 19226 Granted publication date: 20060913 |