CN102729452A - Automatic circulation screen filter device for blow-molding melt - Google Patents
Automatic circulation screen filter device for blow-molding melt Download PDFInfo
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- CN102729452A CN102729452A CN2012102508705A CN201210250870A CN102729452A CN 102729452 A CN102729452 A CN 102729452A CN 2012102508705 A CN2012102508705 A CN 2012102508705A CN 201210250870 A CN201210250870 A CN 201210250870A CN 102729452 A CN102729452 A CN 102729452A
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- melt
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- plectane
- filter screen
- filter
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Abstract
The invention discloses an automatic circulation screen filter device for a blow-molding melt. The automatic circulation screen filter device comprises an external circular filtering plate, an internal circular filtering plate, a filter screen, a melt-supplying cavity, a melt-discharging cavity, two cooling water pipes and a cleaning device, wherein the filter screen is disposed between the external circular filtering plate and the internal circular filtering plate; the melt-supplying cavity and the melt-discharging cavity are disposed at two sides of the filter screen; the cleaning device is disposed at one side of a filter screen ring; and the cooling water pipes are respectively disposed on flanged cylindrical surfaces, adjacent to the filter screen, of the melt-supplying cavity and the melt-discharging cavity. The circular filter screen is used in the automatic circulation screen filter for the blow-molding melt and driven to move in a circular filtering plate tank by the rotation of a cleaning felt shaft of the cleaning device so as to complete the filter screen replacement. The replacement of the filter screen needs no stop and is continuous, and therefore, the flow velocity and pressure of charged materials and discharged materials change slightly, and the unqualified products are reduced as well as the production efficiency is improved. In addition, the filter screen can be recycled after being cleaned automatically, thereby saving materials and time.
Description
Technical field
The present invention relates to a kind of filter of plastics machinery, especially relate to a kind of blowing melt Automatic Cycle net filtration device.
Background technology
With plastics is in the process of all kinds of manufactured goods of raw material production, and no matter raw material is virgin material or feed back, wherein more or less must be mixed with all kinds of impurity.In the plastics extrusion, plastic melt is through plastify and be heated for a long time in addition, and melt will produce residue.Impurity in these raw material and residue in case get in the extrusion die, will cause runner to block or product defect, influence continuity, the stability of manufactured goods quality and production, even production can't be carried out at all.In order to eliminate these particulate contamination, make pure melt successfully get into extrusion die, and obtain the goods of high-quality; So must between extruder screw head and mould, place screen pack,, will pile up increasing dirty thing on the screen pack along with the continuity that finds time; This moment, fusion pressure raise, and melt flow descends, when surpassing certain fusion pressure; Screen pack is broken up or is stopped up and lost efficacy, and just must change screen pack.Filter filtration decontamination also requires in use to change easy, quick simultaneously, keeps production during replacing continuously, tries one's best and reduces production pause and the waste product generation that therefore causes.Common filter is in process of production when impurities accumulation arrives to a certain degree; The needs shutdown could be changed new filter screen or screen pack is cleaned out; Because the difference between raw material is big, when the more product of processing impurity, screen pack needs frequent change; Cause the also frequent shutdown of needs of production line, make production efficiency reduce greatly.
Existing invention has board-like, and column type, net belt type etc. are not shut down filter, but still have following problem:
Problem 1: the board-like or column type filter of single channel can not be realized continuous draping when changing screen pack, produces the variation of pressure and melt temperature when causing draping, influences product quality.Do not clean filter net device automatically, therefore after filter screen stops up, need to take out to clean inconvenient operation.
Problem 2: dual channel runner board-like or the column type filter is long, is prone to residually, and at output hour, the mass flow discrepancy that is prone to two runners causes long back of a runner working time to stop up.Internal structure is complicated, and difficulty of processing strengthens, and cost raises, and does not have and can not clean automatically.
Problem 3: the net belt type filter can be realized the continuous uninterrupted draping; But cleaning and filtering net automatically; Waste to screen pack is serious; And the screen belt of filter needs to change again after using and goes up new guipure, and this changes process need shutdown operation, has influence on production efficiency of products.
Summary of the invention
In order to solve disadvantages of background technology, the object of the present invention is to provide a kind of blowing melt Automatic Cycle net filtration device, adopt cleaning device to realize cleaning and replacing to filter screen, satisfy and do not shut down the requirement that continuous draping is cleaned automatically.
The technical solution adopted for the present invention to solve the technical problems is:
The present invention includes and outer filter plectane, inner filtration plectane, screen pack, advance melt chamber, go out melt chamber, two cooling water pipes and cleaning device; The outer filtration between plectane and the inner filtration plectane is equipped with screen pack; Advance melt chamber, go out melt chamber and be arranged on screen pack ring both sides; Cleaning device is arranged on a side of screen pack ring, and two cooling water pipes are installed in into melt chamber respectively and go out on the flange face of cylinder near screen pack of melt chamber.
Said cleaning device comprises cleaning felt axle, shower nozzle, case shell, cleans the felt axle and is installed on the axis hole of case shell front and back, and shower nozzle is installed in case shell upper surface center, aims at and cleans the felt axle; Clean the felt axle and contact, clean when the felt axle rotates and to drive the screen pack rotation with screen pack one side.
The described outer plectane annular that filters has annular groove in its hole; Described inner filtration plectane is circular, has annular groove on its external cylindrical surface; Screen pack is installed in two grooves of outer filtration plectane and inner filtration plectane, and screen pack can be along freely circling round in two grooves.
The beneficial effect that has of the present invention is:
Blowing melt Automatic Cycle net filtration device of the present invention adopts the screen pack of annular, rotates the replacing of drive screen pack motion realization screen pack in filtering the plectane groove through the cleaning felt axle of cleaning device.Need not shut down when changing screen pack, and uninterrupted continuously, thereby the flow velocity of input and output material and pressure do not have significant change, when enhancing productivity, reduced the generation of substandard products yet.This external enwergy is automatically cleaned screen pack and is realized recycling of screen pack, saves material, saves time.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the present invention's melt flows process sketch map when working.
Fig. 3 is screen pack of the present invention and inside and outside filtration plectane sketch map.
Fig. 4 is the A-A cutaway view of Fig. 3.
Fig. 5 is the structural representation of cleaning device of the present invention.
Among the figure: 1, filter plectane outward, 2, the inner filtration plectane, 3, the annular screen pack, 4, cleaning device, 5, advance melt chamber, 6, go out melt chamber, 7.8, cooling water pipe, 41, clean the felt axle, 42, shower nozzle, 43, the case shell.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Like Fig. 1, Fig. 2, shown in Figure 3, the present invention includes and outer filter plectane 1, inner filtration plectane 2, screen pack 3, advance melt chamber 5, go out melt chamber 6, two cooling water pipes 7,8 and cleaning device 4; The outer filtration between plectane 1 and the inner filtration plectane 2 is equipped with screen pack 3, advances melt chamber 5 and go out melt chamber 6 to be arranged on screen pack ring both sides, and cleaning device 4 is arranged on a side of screen pack ring; Two cooling water pipes 7,8 are installed in into melt chamber 5 respectively and go out on the flange face of cylinder near screen pack 3 of melt chamber 6, and two cooling water pipes are around flange face of cylinder Lower Half among the figure; And surpassing the flange face of cylinder 1/2 circle, cooling water makes near the melt solidifying the cooling water pipe 7,8; Turnover melt chamber 5; Cooling water pipe 7,8 contracts in melt chance in 6 is cold, so can play sealing function at this.
As shown in Figure 5, said cleaning device 4 comprises cleaning felt axle 41, shower nozzle 42, and case shell 43 cleans felt axle 41 and is installed on the case shell 43 front and back axis holes, and shower nozzle 42 is installed in case shell 43 upper surface centers, aims at and cleans felt axle 41; Clean felt axle 41 and contact, clean when felt axle 41 rotates and to drive screen pack 3 rotations with screen pack 3 one sides.
Like Fig. 3, shown in Figure 4, described outer plectane 1 annular that filters has annular groove in its hole; Described inner filtration plectane 2 circles have annular groove on its external cylindrical surface; Screen pack 3 is installed in two grooves of outer filtration plectane 1 and inner filtration plectane 2, and screen pack 3 can be along freely circling round in two grooves.
Operation principle of the present invention is following:
Melt is extruded from extruder and is flow to into melt chamber 5, again through screen pack 3, behind the elimination impurity, flows out from going out melt chamber 5, accomplishes the filtration of impurity in the melt.Melt between cooling water pipe 7,8 and screen pack 3 freezes, and passes in and out melts in the melt chamber 5,6 simultaneously and meets and contract in cold, so mobile melts can not overflow between cooling water pipe 7,8 and screen pack 3 in the turnover melt chamber 5,6, seals.Cleaning felt axle 41 after installing contacts with screen pack 3, when cleaning the rotation of felt axle, can drive screen pack 3 and rotate.When screen pack 3 impurities accumulations to much need change the time, clean felt axle 41 outer power driven in rotation cleaning and filtering nets 3, also drive filter screen 3 rotations simultaneously, make new filtration wire side be in 5,6 of turnover melt chambers, thereby realize the replacing of screen pack 3.In cleaning process, the impurity on the screen pack 3 is removed in shower nozzle 42 ejection cleaning fluid flushings.
The above-mentioned specific embodiment is used for the present invention that explains, rather than limits the invention, and in the protection domain of spirit of the present invention and claim, any modification and change to the present invention makes all fall into protection scope of the present invention.
Claims (3)
1. blowing melt Automatic Cycle net filtration device is characterized in that: comprise filter plectane (1), inner filtration plectane (2), screen pack (3) outward, advance melt chamber (5), go out melt chamber (6), two cooling water pipes (7,8) and cleaning device (4); The outer filtration between plectane (1) and the inner filtration plectane (2) is equipped with screen pack (3); Advance melt chamber (5), go out melt chamber (6) and be arranged on screen pack ring both sides; Cleaning device (4) is arranged on a side of screen pack ring; Two cooling water pipes (7,8) are installed in into melt chamber (5) respectively and go out on the flange face of cylinder near screen pack (3) of melt chamber (6).
2. a kind of blowing melt Automatic Cycle net filtration device according to claim 1; It is characterized in that: said cleaning device (4) comprises cleaning felt axle (41); Shower nozzle (42), case shell (43) cleans felt axle (41) and is installed on the axis hole of case shell (43) front and back; Shower nozzle (42) is installed in case shell (43) upper surface center, aims at and cleans felt axle (41); Clean felt axle (41) and contact, clean when felt axle (41) rotates and to drive screen pack (3) rotation with screen pack (3) one sides.
3. blowing melt Automatic Cycle net filtration device according to claim 1 is characterized in that: described outer plectane (1) annular that filters has annular groove in its hole; Described inner filtration plectane (2) circle has annular groove on its external cylindrical surface; Screen pack (3) is installed in two grooves of outer filtration plectane (1) and inner filtration plectane (2), and screen pack (3) can be along freely circling round in two grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210250870.5A CN102729452B (en) | 2012-07-19 | 2012-07-19 | Automatic circulation screen filter device for blow-molding melt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210250870.5A CN102729452B (en) | 2012-07-19 | 2012-07-19 | Automatic circulation screen filter device for blow-molding melt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102729452A true CN102729452A (en) | 2012-10-17 |
| CN102729452B CN102729452B (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210250870.5A Active CN102729452B (en) | 2012-07-19 | 2012-07-19 | Automatic circulation screen filter device for blow-molding melt |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213263A (en) * | 2012-12-17 | 2013-07-24 | 吕英炜 | Plastic extrusion pressing film of renewable plastic, and production device thereof |
| CN105597449A (en) * | 2016-03-09 | 2016-05-25 | 周紫阳 | Diesel engine high-temperature exhaust gas filtering device |
| CN107339243A (en) * | 2017-06-20 | 2017-11-10 | 邯钢集团邯宝钢铁有限公司 | A kind of combustion fan that can clean screen pack automatically |
| CN107694231A (en) * | 2017-10-25 | 2018-02-16 | 威洁（石狮）中水回用技术有限公司 | A kind of tail gas pretreatment device and method |
| CN109291406A (en) * | 2018-11-23 | 2019-02-01 | 魏正才 | A kind of revolving net-changing device |
| CN111102203A (en) * | 2019-12-31 | 2020-05-05 | 江苏阿兰贝尔环保科技有限公司 | Novel smash integration pump station that draws water |
| CN111497174A (en) * | 2020-04-19 | 2020-08-07 | 段芳利 | Working method of automatic net changing structure for plastic blow molding |
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| CN101152611A (en) * | 2006-09-26 | 2008-04-02 | 东元电机股份有限公司 | Automatic renewing device of filter screen |
| WO2008104863A2 (en) * | 2007-03-01 | 2008-09-04 | Fare' S.P.A. | A device and a process for cleaning filters for plastic materials |
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| CN102319533A (en) * | 2011-10-21 | 2012-01-18 | 赵建勋 | Water curtain machine with dust removing device |
| CN202656457U (en) * | 2012-07-19 | 2013-01-09 | 浙江大学 | Filtering device of blow molding fusant autocycling net |
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2012
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4167384A (en) * | 1977-11-28 | 1979-09-11 | The Japan Steel Works, Ltd. | Filter screen exchanging apparatus for plastic extruder |
| JP2007118496A (en) * | 2005-10-31 | 2007-05-17 | Kazuhisa Otsuki | Cylindrical rotary filter |
| CN101152611A (en) * | 2006-09-26 | 2008-04-02 | 东元电机股份有限公司 | Automatic renewing device of filter screen |
| WO2008104863A2 (en) * | 2007-03-01 | 2008-09-04 | Fare' S.P.A. | A device and a process for cleaning filters for plastic materials |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213263A (en) * | 2012-12-17 | 2013-07-24 | 吕英炜 | Plastic extrusion pressing film of renewable plastic, and production device thereof |
| CN103213263B (en) * | 2012-12-17 | 2016-05-18 | 吕英炜 | A kind of plastic extrusion press mold and production equipment thereof of recyclable plastic |
| CN105597449A (en) * | 2016-03-09 | 2016-05-25 | 周紫阳 | Diesel engine high-temperature exhaust gas filtering device |
| CN107339243A (en) * | 2017-06-20 | 2017-11-10 | 邯钢集团邯宝钢铁有限公司 | A kind of combustion fan that can clean screen pack automatically |
| CN107339243B (en) * | 2017-06-20 | 2023-08-29 | 邯钢集团邯宝钢铁有限公司 | Combustion-supporting fan capable of automatically cleaning filter screen |
| CN107694231A (en) * | 2017-10-25 | 2018-02-16 | 威洁（石狮）中水回用技术有限公司 | A kind of tail gas pretreatment device and method |
| CN109291406A (en) * | 2018-11-23 | 2019-02-01 | 魏正才 | A kind of revolving net-changing device |
| CN111102203A (en) * | 2019-12-31 | 2020-05-05 | 江苏阿兰贝尔环保科技有限公司 | Novel smash integration pump station that draws water |
| CN111497174A (en) * | 2020-04-19 | 2020-08-07 | 段芳利 | Working method of automatic net changing structure for plastic blow molding |
| CN111497174B (en) * | 2020-04-19 | 2022-01-11 | 广西膜宝包科技发展有限公司 | Working method of plastic blow molding automatic net changing structure and butt joint device thereof |
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| CN102729452B (en) | 2014-06-04 |
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