CN101670656A - Device for filtering impurities in the extruding process of PVC resin - Google Patents
Device for filtering impurities in the extruding process of PVC resin Download PDFInfo
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- CN101670656A CN101670656A CN 200910042353 CN200910042353A CN101670656A CN 101670656 A CN101670656 A CN 101670656A CN 200910042353 CN200910042353 CN 200910042353 CN 200910042353 A CN200910042353 A CN 200910042353A CN 101670656 A CN101670656 A CN 101670656A
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- porous plate
- extruder
- filtering impurities
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- polyvinyl chloride
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Abstract
The invention discloses a device for filtering in the extruding process of PVC resin. The device is arranged between a connection body of an extruding machine and a die head and has compact structure,small volume and convenient installation and disassembly; the internal diameters of a molten material passage of the device and the connection body of the extruding machine are the same, the molten material passage is a straight flow passage without an internal cavity, and a net exchange piston which is controlled by a hydraulic device and can move up and down is cylindrical; and two passages arearranged on the piston, wherein one passage is provided with a porous plate, and the other passage is a straight flow passage. The invention does not have the hiding dead angle of the PVC molten material, reduces the accumulation of impurities and scorched materials, removes a little small particles which exist in the molten material and are difficult to plasticize, avoids the phenomena of blackspots, fish eyes and the like existing at the surface of a product, and enhances the performance of the product, especially the performance of the products, such as PVC threading tubes and the like, which need to be processed by cold bending.
Description
Technical field
The invention belongs to the plastic extruding forming manufacture field, be specifically related to a kind of polyvinyl chloride resin and extrude the processing device for filtering impurities.
Background technology
At the plastic shaping manufacture field, PVC is more unmanageable, need to add stabilizing agent, processing aid, lubricant, auxiliary agents such as anti-impact agent mix by the high-temperature stirring machine to be produced compound and just can deliver to extruder and process, in addition, each manufacturer can add a large amount of filler and reworked material in order to reduce production costs in compound, certainly will there be a spot of granule that is difficult to plastify like this in the compound, this granule is finally concealed in the product of moulding, stain will appear in product surface, impurity such as flake, have a strong impact on the outward appearance and the serviceability of product, particularly PVC penetration pipe etc. need carry out the clod wash product processed, the existence of impurity can cause the product clod wash to be broken, occur for fear of this situation, present way is to place a circular porous plate between extruder connector and die head.Shown in Figure of description 1, between extruder connector 1 and die head 2, place a porous plate 3, but along with the increase of service time, porous plate 3 can stop up and accumulating assorted material, needs frequent clean to accumulate assorted material, produces more waste material.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, provide a kind of polyvinyl chloride resin to extrude the processing device for filtering impurities, remove the granule that being difficult on a small quantity of existing in the melting charge plastifies, avoid product surface phenomenons such as stain, flake to occur, enhance product performance, particularly PVC penetration pipe etc. need carry out clod wash product processed performance.
In order to realize above-mentioned technical purpose, the present invention includes following technical characterictic: a kind of polyvinyl chloride resin is extruded the processing device for filtering impurities, comprise the extruder connector, the extruder die head, porous plate, between extruder connector and extruder die head, also be provided with filter, described filter is provided with the melting charge passage that two energy are communicated with extruder connector and extruder die head at least, described porous plate is arranged in one of them melting charge passage, and filter also is provided with and can makes the melting charge passage alternately rotate the drive unit to be communicated with extruder connector and extruder die head.
Device for filtering impurities of the present invention is installed between extruder connector and the die head; be provided with two melting charge passages; one of them placing porous plate; another is a direct current channel, and when cleaning porous plate like this, melting charge can flow in direct current channel; need not shut down; avoid extruding the loaded down with trivial details process of frequent shutdown cleaning impurity in the production process, reduced the generation of waste material, improved properties of product and product qualified rate.
Described melting charge passage is identical with extruder connector internal diameter and is the direct current channel of no inner chamber.This structure is in order to make whole device not have melting charge to conceal the dead angle, to reduce impurity and accumulate and burnt material generation.
Further, described porous plate is circular, is distributed with the aperture that diameter is 4～5mm on the porous plate.Described many plate holes charging nose end on one side is provided with slight chamfering.Described porous plate peripheral hardware filter screen.
Further, described drive unit is cylindrical draping piston and the oil cylinder that cooperates with it.
The remarkable advantage of pin of the present invention is: the removal problem that the device for filtering impurities of the process technology characteristics of polyvinyl chloride resin design has been solved the impurity particle that is difficult to plastify in the PVC melting charge; control the draping piston that can move up and down by hydraulic means; two melting charge passages; can a placing porous plate; another is a direct current channel; when cleaning porous plate like this; melting charge can flow in direct current channel; need not shut down; exempted the loaded down with trivial details process of extruding frequent shutdown cleaning impurity in the production process; reduce the generation of waste material, improved properties of product and product qualified rate.
Description of drawings
Fig. 1 is the porous plate scheme of installation of prior art
Fig. 2 extrudes processing device for filtering impurities scheme of installation for polyvinyl chloride resin
Fig. 3 extrudes the processing device for filtering impurities for polyvinyl chloride resin
Fig. 4 extrudes processing device for filtering impurities profile for polyvinyl chloride resin
Wherein, 1 is the extruder connector, and 2 is the extruder die head, and 3 is porous plate, and 4 is the special-purpose device for filtering impurities of PVC, and 5 is oil cylinder, and 6 is cylindrical draping piston, 7 filter cavitys, and 8 is direct current channel, 9 is the outer filter screen of placing of porous plate.
The specific embodiment
Fig. 2 is special-purpose device for filtering impurities of PVC and scheme of installation, be between extruder connector 1 and die head 2, to place a polyvinyl chloride resin to extrude processing device for filtering impurities 4, comprise extruder connector 1, extruder die head 2, porous plate 3, between extruder connector 1 and extruder die head 2, also be provided with filter 4, described filter 4 is provided with the melting charge passage that two energy are communicated with extruder connector 1 and extruder die head 2 at least, described porous plate 3 is arranged in one of them melting charge passage, and filter 4 also is provided with and can makes the melting charge passage alternately rotate the drive unit to be communicated with extruder connector 1 and extruder die head 2.
Described draping piston 6 integral body are to move up and down cylindrical structural, column type piston structure compactness, and volume in light weight is little, easy installation and removal.Two melting charge passages are located in the column type piston, the axis of passage parallels with the axis of extruder connector, when the draping piston moves to the appropriate location, form passage between melt channel and extruder connector 1 and the die head 2, melting charge can from extruder connector 1 through melt channel in flowing into die head 2.Two melting charge passages have a placing porous plate 3 at least, and many hollow plates 3 can filter melt impurity.When impurity too much stops up porous plate 3, can draping piston 6 be moved down the primer fluid pressure control device, make the another one melt channel temporarily play the effect that is communicated with extruder connector 1 and die head 2, this moment machine be need not out-of-work, the passage of cylindrical draping piston 6 placing porous plates is then extruded the processing device for filtering impurities 4 from polyvinyl chloride resin and is shifted out, so just can clear up the impurity that adheres on the porous plate and change filter screen 9 on the porous plate, after changing filter screen 9, restarting hydraulic control device makes porous plate move to the ordinary production position, realize changing fast filter screen 9, guarantee that the continous-stable of producing carries out, reduce the generation of waste product, improve the qualification rate of finished product.
In order to make whole device not have melting charge to conceal the dead angle, reduce impurity and accumulate and burnt material generation, described melting charge passage is identical with extruder connector 1 internal diameter and is the direct current channel of no inner chamber.Described porous plate 3 is a circular plate type, regularly on the porous plate 3 is evenly distributed with the aperture that diameter is 4～5mm.Charging for convenience, described many plate hole 3 chargings nose end on one side are provided with chamfering, in order to increase filter effect, described porous plate 3 peripheral hardware filter screens 9.
Fig. 3 and Fig. 4 are the structural representation of the special-purpose device for filtering impurities of PVC, and hydraulic means moves up and down by the cylindrical draping piston 6 of oil cylinder 5 controls and realizes that cleaning impurity does not influence the purpose of production again.
Under the ordinary production situation, cylindrical draping piston 6 is in Fig. 4 illustrated position, after certain hour is carried out in production, can judge that what of impurity outer filter screen 9 places of porous plate accumulate by the variation of extruder melt pressure, melt pressure strengthens gradually or increases fast, illustrate that this place's impurity too much stops up the porous plate passage, at this moment can the primer fluid pressure control device make direct current channel 8 be in the position of filter screen 9, the passage of cylindrical draping piston 6 placing porous plates then shifts out from the special-purpose device for filtering impurities 4 of PVC, so just can clear up the impurity that adheres on the porous plate and change filter screen 9, after changing filter screen 9, restart hydraulic control device and make porous plate move to the ordinary production position, realize changing fast filter screen 9, guarantee that the continous-stable of producing carries out, reduce the generation of waste product, improve the qualification rate of finished product.
Claims (6)
1, a kind of polyvinyl chloride resin is extruded the processing device for filtering impurities, comprise extruder connector (1), extruder die head (2), porous plate (3), it is characterized in that between extruder connector (1) and extruder die head (2), also being provided with filter (4), described filter (4) is provided with the melting charge passage that two energy are communicated with extruder connector (1) and extruder die head (2) at least, described porous plate (3) is arranged in one of them melting charge passage, and filter (4) also is provided with and can makes the melting charge passage alternately rotate the drive unit to be communicated with extruder connector (1) and extruder die head (2).
2, polyvinyl chloride resin according to claim 1 is extruded the processing device for filtering impurities, it is characterized in that described melting charge passage is identical with extruder connector (1) internal diameter and is the direct current channel of no inner chamber.
3, polyvinyl chloride resin according to claim 2 is extruded the processing device for filtering impurities, it is characterized in that described porous plate (3) for circular, is distributed with the aperture that diameter is 4～5mm on the porous plate (3).
4, polyvinyl chloride resin according to claim 3 is extruded the processing device for filtering impurities, it is characterized in that described many plate holes (3) charging one side nose end is provided with chamfering.
5, extrude the processing device for filtering impurities according to each described polyvinyl chloride resin of claim 1～4, described porous plate (3) peripheral hardware filter screen (9).
6, extrude the processing device for filtering impurities according to each described polyvinyl chloride resin of claim 1～4, it is characterized in that described drive unit is cylindrical draping piston (6) and the oil cylinder (5) that cooperates with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910042353 CN101670656A (en) | 2009-09-01 | 2009-09-01 | Device for filtering impurities in the extruding process of PVC resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910042353 CN101670656A (en) | 2009-09-01 | 2009-09-01 | Device for filtering impurities in the extruding process of PVC resin |
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| Publication Number | Publication Date |
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| CN101670656A true CN101670656A (en) | 2010-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910042353 Pending CN101670656A (en) | 2009-09-01 | 2009-09-01 | Device for filtering impurities in the extruding process of PVC resin |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229236A (en) * | 2011-06-02 | 2011-11-02 | 张家港市同创机械有限公司 | Filter device in breathing mask production line |
| CN103088441A (en) * | 2013-02-22 | 2013-05-08 | 昆山鸿福泰环保科技有限公司 | Spinneret filter plate used for propene polymer (PP) filter element machining |
| CN103372965A (en) * | 2012-04-23 | 2013-10-30 | 安徽中天塑业有限公司 | Filter sieve technology for plum-blossom-shaped pipe mould feeding opening |
| CN103909635A (en) * | 2013-01-03 | 2014-07-09 | 汉达精密电子(昆山)有限公司 | Thread seal tape filtering device |
-
2009
- 2009-09-01 CN CN 200910042353 patent/CN101670656A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229236A (en) * | 2011-06-02 | 2011-11-02 | 张家港市同创机械有限公司 | Filter device in breathing mask production line |
| CN103372965A (en) * | 2012-04-23 | 2013-10-30 | 安徽中天塑业有限公司 | Filter sieve technology for plum-blossom-shaped pipe mould feeding opening |
| CN103909635A (en) * | 2013-01-03 | 2014-07-09 | 汉达精密电子(昆山)有限公司 | Thread seal tape filtering device |
| CN103909635B (en) * | 2013-01-03 | 2016-06-29 | 汉达精密电子(昆山)有限公司 | Raw material band defecator |
| CN103088441A (en) * | 2013-02-22 | 2013-05-08 | 昆山鸿福泰环保科技有限公司 | Spinneret filter plate used for propene polymer (PP) filter element machining |
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Owner name: LIANSU TECHNOLOGY DEVELOPMENT (WUHAN) CO., LTD. Free format text: FORMER OWNER: LIANSU SCIENCE + TECHNOLOGY INDUSTRIAL CO., LTD., GUANGDONG PROV. Effective date: 20110805 |
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Effective date of registration: 20110805 Address after: 430040 Hubei city of Wuhan province Dongxihu Wujiashan eleven ditch Applicant after: Liansu Technology Development (Wuhan) Co., Ltd. Address before: Shunde Longzhou road Longjiang 528300 Guangdong Liansu industrial village in Foshan Province Applicant before: Liansu Science & Technology Industrial Co., Ltd., Guangdong Prov. |
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Application publication date: 20100317 |