CN102615799A - Non-stop filter screen replaced dual extruder - Google Patents
Non-stop filter screen replaced dual extruder Download PDFInfo
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- CN102615799A CN102615799A CN2012100671350A CN201210067135A CN102615799A CN 102615799 A CN102615799 A CN 102615799A CN 2012100671350 A CN2012100671350 A CN 2012100671350A CN 201210067135 A CN201210067135 A CN 201210067135A CN 102615799 A CN102615799 A CN 102615799A
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- filter screen
- extruder
- melt
- cylinder
- filter
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a non-stop filter screen replaced dual extruder, which comprises a first extruder and a second extruder, wherein each extruder comprises a reduction box, a charging barrel and a screw; the end of the first extruder is provided with a plastic melt filter; a melt inlet of the plastic melt filter is connected with a melt outlet of the charging barrel; and a melt outlet of the plastic melt filter is connected above a feeding hole of the second extruder. The invention has the advantages that: due to the two plastic extruders, plastic melts extruded by the first extruder are filtered to remove impurities and enter the second extruder to be continuously extruded, the normal work of the second extruder is not influenced in the process of replacing the filter screen regardless of a single-cylinder single-filter screen or a single-cylinder multi-filter screen or a multi-cylinder multi-filter screen of the melt filter arranged at the tail end of the first extruder, the physical labor of an operator can be lightened, the working efficiency is improved, the waste is reduced, and the electric energy is saved.
Description
Technical field
The present invention relates to the plastics machinery field, especially do not shut down and change the two extruders of filter screen.
Technical background
The plastic flat fiber wire drawing machine of making both at home and abroad at present, selling, use, plastics circle silk wire drawing machine, plastic film blowing machine; Its main frame is a plastic extruder, and no matter its filter that uses is to use the most general plastic flat fiber wire drawing machine as the manual filter of single cylinder; Still a plastics circle silk wire drawing machine, plastic film blowing machine often will be shut down the replacing screen pack in the production run process, and will shut down replacing every day when particularly using plastic reclaimed material; Sometimes changed repeatedly in one day, screen pack of every replacing, operating personnel will carry out the manual work loading and unloading to the filter screen briquetting; Pay heavy manual labor, also cause raw material serious waste and waste of electric energy simultaneously.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective; For providing a kind of, plastic flat fiber production, the silk production of plastics circle or plastic sheeting production can long-time continuous normally move; Alleviate operating personnel's manual labor; Enhance productivity, improve raw material availability and energy savings, particularly do not shut down and change the two extruders of filter screen.
Change the two extruders of filter screen for realizing above-mentioned purpose, not shutting down, include first extruder and second extruder; Each extruder includes reduction box, barrel, screw rod; Barrel one end is fastened on the reduction box casing, and screw rod is installed in the barrel, it is characterized in that: the said first extruder end is equipped with plastic melt and crosses the Lu device; Plastic melt is crossed Lu device melt inlet and is connected with the outlet of barrel melt, and plastic melt is crossed the top that Lu device melt discharging is connected to the second extruder charging aperture.
As preferably: it is that single cylinder double filter screen melt is crossed the Lu device that said plastic melt is crossed the Lu device; Be provided with strainer body in its cylinder body, strainer body cooperates for movingly with cylinder body, and strainer body is provided with one or more porous devices; Screen pack is installed on the porous device, and strainer body is connected with power set.
As preferably: it is that many filter screens of multi-cylinder melt is crossed the Lu device that said plastic melt is crossed the Lu device, is provided with two or more strainer bodies in the cylinder body, and strainer body cooperates for movingly with cylinder body, on each strainer body power set is installed.
The invention has the beneficial effects as follows that owing to utilize two plastic extruders get into second extruder after the plastic melt process elimination removal of impurity that first extruder is extruded and continue to extrude, the melt that is installed in the first extruder tail end is crossed the Lu device; No matter be to adopt single cylinder list filter screen or single cylinder double filter screen or the many filter screens of multi-cylinder; Do not influence second extruder operate as normal during draping, can alleviate operating personnel's manual labor, increase work efficiency; Cut the waste saves energy.
Description of drawings
Fig. 1 is that the present invention does not shut down the structural representation that changes the two embodiment of extruder of filter screen.
Fig. 2 is that the present invention does not shut down a fondant filter structural representation that changes the two extruder embodiment of filter screen.
Fig. 3 is that the present invention does not shut down another fondant filter structural representation that changes the two extruder embodiment of filter screen.
Fig. 4 is that the present invention does not shut down another fondant filter structural representation that changes the two extruder embodiment of filter screen.
Fig. 5 is that the present invention does not shut down the 4th the fondant filter structural representation that changes the two extruder embodiment of filter screen.
The specific embodiment
Below in conjunction with accompanying drawing further explain embodiment
With reference to Fig. 1: Fig. 1 is that the present invention does not shut down the structural representation that changes the two embodiment of extruder of filter screen, and 1-A reduction box, 2-A feed hopper, 3-A barrel, 4-A screw rod, 5-plastic melt are crossed Lu device, 6-B reduction box, 7-and crossed Lu device melt discharging opening, 8-B feed hopper, 9-B barrel, 10-B screw rod, 11-threeway, 12-die head, do not shut down and change the two extruders of filter screen, include first extruder and second extruder; First extruder includes that A reduction box 1, A feed hopper 2, A barrel 3, A screw rod 4, plastic melt are crossed Lu device 5, first extruder includes B reduction box 6, B feed hopper 8, B barrel 9, B screw rod 10, threeway 11 and die head 12, and A barrel 3 one ends are fastened on A reduction box 1 casing, and A screw rod 4 is installed in the A barrel 3; A barrel 3 other ends are equipped with plastic melt and cross Lu device 5, and B barrel 9 one ends are fastened on B reduction box 6 casings, and B screw rod 10 is installed in the B barrel 9; B barrel 9 other ends are equipped with threeway 11, and threeway 11 is connected with die head 12, during ordinary production; The plastic solidification raw material gets into the first extruder A barrel 3 from the first extruder A feed hopper 2, and under temperature and 4 effects of A screw rod, the plastic solidification raw material is fused into melt gradually and gets into fondant filter 5; Filter through fondant filter 5; Plastic melt behind the removal impurity flows out from fondant filter 5 melt discharging openings 7, and plastic melt gets into the second extruder B feed hopper 8 after at high temperature vaporing away moisture and air, under 10 effects of B screw rod, gets into die heads 12 extrusion moldings through threeway 11; See that from figure the said plastic melt filter 5 of present embodiment is single cylinder double filter screen filter; In conjunction with Fig. 2, only need start power set 21 when changing filter screen, strainer body 22 is advanced in filtering jar body 25; Filter screen on the A porous device 23 gets into the operating position; B filter screen 24 is pushed out filtering jar body 25 simultaneously, and it is subsequent use that filter screen B24 is changed the back, when needing to change the filter screen on the A porous device 23; Start power set 21; Strainer body 22 is pulled out in filtering jar body 25, the filter screen work on the B filter screen 24 replacement A porous devices 23, B filter screen 24 is in outside the filtering jar body 25; Change subsequent use to B filter screen 24; This double filter screen is changed in turn and is not used alternatingly and need shuts down, and does not influence ordinary production, and the said plastic melt filter 5 of present embodiment can be selected structures such as single cylinder or multi-cylinder plastic melt filter such as Fig. 2, Fig. 3, Fig. 4, Fig. 5 of multiple structural shape be said for use.
With reference to Fig. 2: Fig. 2 is that the present invention does not shut down a fondant filter structural representation that changes the two extruder embodiment of filter screen, 21-power set, 22-strainer body, 23-A porous device, 24-B filter screen, 25-filtering jar body, 26-filter melt inlet, the outlet of 27-filter melt, and Fig. 2 is that band intermediate filter of the present invention is not shut down a kind of fondant filter structural representation that changes filter screen plastic extruder embodiment; Include power set 21, strainer body 22, A porous device 23 and the filter screen on it, B filter screen 24 and interior porous device, filtering jar body 25 thereof, filter screen on the said A porous device 23 and B filter screen 24 are installed on the strainer body 22, and strainer body 22 is installed in the filtering jar body 25; Strainer body 22 and filtering jar body 25 are for movingly, and present embodiment is the two net of single cylinder plastic melt filters, shows among the figure; During operate as normal, plastic melt gets into from filter melt inlet 26, after B filter screen 24 filters, goes out from filter melt outlet 27; When changing filter screen; Only need utilize power set (motor or cylinder or hydraulic cylinder) 21 that strainer body 22 is advanced filtering jar body 25, the filter screen on the A porous device 23 replaces B filter screen 24 gradually and gets into normal operating conditions, and B filter screen 24 is in outside the filtering jar body 25 at this moment; B filter screen 24 is changed; For use, when changing filter screen for the second time strainer body 22 to be pulled out, B filter screen 24 gets into duty; It is external that filter screen on this moment A porous device 23 is in filtering jar; Filter screen on the A porous device 23 is changed, and is for use, and being used alternatingly to change in turn of this filter screen need do not shut down.
With reference to Fig. 3: Fig. 3 is that the present invention does not shut down another fondant filter structural representation that changes the two extruder embodiment of filter screen, 31-A power set, 32-B power set, 33-filter cylinder body, 34-filter melt charging aperture, 35-A cylinder melt discharging opening, 36-B cylinder melt discharging opening, 37-B cylinder strainer body, 38-A cylinder filter screen, 39-A cylinder strainer body, and the present embodiment fondant filter is provided with two cylinders; During ordinary production; Melt gets into fondant filter from filter melt charging aperture 34, flows out from melt discharging opening 35 and melt discharging opening 36 after the melt process elimination removal of impurity, when changing filter screen; As change A cylinder filter screen 38; Only need start that A power set 31 eject A cylinder strainer body 39 as the figure position is unloaded old filter screen and changed new filter screen, this moment, B cylinder filter screen worked on, and starts A power set 31 A cylinder strainer body 39 is withdrawn into the operating position; In kind change B cylinder filter screen; This two cylinder filter screens are worked simultaneously, and only a cylinder filter screen does not influence ordinary production and need not shut down in work when draping.
With reference to Fig. 4: Fig. 4 is that the present invention does not shut down another fondant filter structural representation that changes the two extruder embodiment of filter screen, 41-melt charging aperture, 42-A cylinder strainer body, 43-A cylinder filter screen, 44-B cylinder strainer body, 45-A cylinder melt discharging opening, 46-B cylinder melt discharging opening, 47-B cylinder power set, 48-A cylinder power set, and present embodiment is that the filter screen shape is different with top two embodiment differences of Fig. 3 Fig. 4; So corresponding structure such as strainer body are also different; Its advantage is that screen area is big, and the present embodiment fondant filter is provided with two cylinders, can claim the two net of twin-tub fondant filter; During ordinary production; Melt gets into fondant filter from charging aperture 41, flows out from melt discharging opening 45 and melt discharging opening 46 after the melt process elimination removal of impurity, when changing filter screen; As change A cylinder filter screen 43; Only need start A power set 48 and A cylinder strainer body 43 is ejected unload old filter screen like the figure position and change new filter screen, start A power set 48 again A cylinder strainer body 43 is retracted the operating position, in kind change B cylinder filter screen; When draping, still have the filter screen of a cylinder to work on, therefore need not shut down and change filter screen.
With reference to Fig. 5: Fig. 5 is that the present invention does not shut down the 4th the fondant filter structural representation that changes the two extruder embodiment of filter screen; 51-left side cylinder power set, 52-left side cylinder filter screen briquetting, 53-left side cylinder filter screen briquetting discharge opening, 54-left side cylinder filter screen porous device, 55-left side cylinder discharging opening, 56-left side cylinder filter screen, the right cylinder melt of 57-discharging opening, 58-part runner, 59-charging sprue, 60-on the left side and part runner, the right cylinder filter screen of 61-briquetting discharge opening, the right cylinder filter screen of 62-porous device, the right cylinder discharging of 63-control valve, 64-left side cylinder discharging control valve, 65-filtering jar body, 66-filter melt charging connector on the right side; Present embodiment is that twin-tub double filter screen fondant filter includes left cylinder power set 51, left cylinder filter screen briquetting 52, left cylinder filter screen porous device 54, left cylinder filter screen 56, right cylinder filter screen porous device 62, right cylinder discharging control valve 63, right cylinder discharging control valve 64, filtering jar body 65, filter melt charging connector 66; Two cylinders about filtering jar body 65 is provided with; Screen pack, porous device, filter screen briquetting are installed on each cylinder body from inside to outside, and porous device is installed in and compresses screen pack work on the filter screen briquetting, during operate as normal; Plastic melt gets into sprue 59 from 66; Two runners about dividing a plurality of runners, present embodiment fondant filter to be advance to part on the left side runner 58 like melt and filter through the laggard left cylinder filter screen 56 of left cylinder discharging control valve 64 controls; Get into left cylinder discharging opening 55 through left cylinder filter screen porous device 54 from left cylinder filter screen briquetting discharge opening 53; When changing filter screen, close one of them charging control valve, as close left charging control valve 64; Start left cylinder power set 51; Left filter screen briquetting 52 is pulled out from left cylinder, behind the last new filter screen 56 of old filter screen taking-up replacing, start left cylinder power set 51 filter screen briquetting 52 is advanced from left cylinder; After more changing left cylinder filter screen; Open left cylinder charging control valve 64 left cylinder filter screen input is normally used, in kind change left cylinder filter screen, this filter screen that changes in turn need not shut down.
Beneficial effect of the present invention: because the plastic melt filter is installed in the first extruder end plastic melt is filtered; Second extruder need not shut down when changing screen pack; The used raw material of second extruder is a melt of crossing filtration through first extruder, therefore can make plastic flat fiber production, the silk production of plastics circle or plastic sheeting production provide long-time continuous normally to move, and alleviates operating personnel's manual labor; Enhance productivity, improve raw material availability and energy savings.
Claims (3)
1. do not shut down and change the two extruders of filter screen; Include first extruder and second extruder, each extruder includes reduction box, barrel, screw rod, and barrel one end is fastened on the reduction box casing; Screw rod is installed in the barrel; It is characterized in that: the said first extruder end is equipped with plastic melt and crosses the Lu device, and plastic melt is crossed Lu device melt inlet and is connected with the outlet of the first extruder barrel melt, and plastic melt is crossed the top that Lu device melt discharging is connected to the second extruder charging aperture.
2. do not change the two extruders of filter screen according to said shutdown of claim 1; It is characterized in that said plastic melt crosses the Lu device; Be provided with strainer body in its cylinder body, strainer body can move around with respect to cylinder body, and strainer body is provided with one or more porous devices; Screen pack is installed on the porous device, and strainer body is connected with power set.
3. do not change the two extruders of filter screen according to said shutdown of claim 1; It is characterized in that it is that many filter screens of multi-cylinder melt is crossed the Lu device that said plastic melt is crossed the Lu device; Be provided with two or more strainer bodies in the cylinder body, strainer body can move around with respect to cylinder body, on each strainer body power set is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100671350A CN102615799A (en) | 2012-03-05 | 2012-03-05 | Non-stop filter screen replaced dual extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100671350A CN102615799A (en) | 2012-03-05 | 2012-03-05 | Non-stop filter screen replaced dual extruder |
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| Publication Number | Publication Date |
|---|---|
| CN102615799A true CN102615799A (en) | 2012-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100671350A Pending CN102615799A (en) | 2012-03-05 | 2012-03-05 | Non-stop filter screen replaced dual extruder |
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| CN (1) | CN102615799A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990892A (en) * | 2012-12-10 | 2013-03-27 | 王新民 | Method for directly producing finished water delivery plastic pipe by utilizing waste polyvinyl plastics |
| CN104339619A (en) * | 2014-10-17 | 2015-02-11 | 浙江安吉惠业家具有限公司 | Plastic extruding machine for producing chair |
| CN107791490A (en) * | 2016-09-07 | 2018-03-13 | 黄美昌 | Not draping plastic filter |
| CN108724518A (en) * | 2018-07-24 | 2018-11-02 | 宁波好塑机械制造有限公司 | A kind of plastic granulator Double-mold-head filter device |
| CN114870786A (en) * | 2022-04-15 | 2022-08-09 | 陈琪 | Coal chemical industry knockout tower |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53119962A (en) * | 1977-03-29 | 1978-10-19 | Masatoshi Hamada | Twoostage extrusion apparatus |
| US4167384A (en) * | 1977-11-28 | 1979-09-11 | The Japan Steel Works, Ltd. | Filter screen exchanging apparatus for plastic extruder |
| JPS55132230A (en) * | 1979-04-02 | 1980-10-14 | Japan Steel Works Ltd:The | Automatic filter net exchanger for plastic extruder |
| WO2002057065A1 (en) * | 2001-01-18 | 2002-07-25 | Internova Int Innovation | Vented extruder |
| WO2003031154A1 (en) * | 2001-09-27 | 2003-04-17 | Kreyenborg Verwaltungen Und Beteiligungen Gmbh & Co. Kg | Screen changer for extrusion and injection moulding machines |
| CN201357563Y (en) * | 2009-03-11 | 2009-12-09 | 芜湖纽麦特新材料有限公司 | Filtering net device of extruder |
-
2012
- 2012-03-05 CN CN2012100671350A patent/CN102615799A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53119962A (en) * | 1977-03-29 | 1978-10-19 | Masatoshi Hamada | Twoostage extrusion apparatus |
| US4167384A (en) * | 1977-11-28 | 1979-09-11 | The Japan Steel Works, Ltd. | Filter screen exchanging apparatus for plastic extruder |
| JPS55132230A (en) * | 1979-04-02 | 1980-10-14 | Japan Steel Works Ltd:The | Automatic filter net exchanger for plastic extruder |
| WO2002057065A1 (en) * | 2001-01-18 | 2002-07-25 | Internova Int Innovation | Vented extruder |
| WO2003031154A1 (en) * | 2001-09-27 | 2003-04-17 | Kreyenborg Verwaltungen Und Beteiligungen Gmbh & Co. Kg | Screen changer for extrusion and injection moulding machines |
| CN201357563Y (en) * | 2009-03-11 | 2009-12-09 | 芜湖纽麦特新材料有限公司 | Filtering net device of extruder |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102990892A (en) * | 2012-12-10 | 2013-03-27 | 王新民 | Method for directly producing finished water delivery plastic pipe by utilizing waste polyvinyl plastics |
| CN104339619A (en) * | 2014-10-17 | 2015-02-11 | 浙江安吉惠业家具有限公司 | Plastic extruding machine for producing chair |
| CN107791490A (en) * | 2016-09-07 | 2018-03-13 | 黄美昌 | Not draping plastic filter |
| CN108724518A (en) * | 2018-07-24 | 2018-11-02 | 宁波好塑机械制造有限公司 | A kind of plastic granulator Double-mold-head filter device |
| CN114870786A (en) * | 2022-04-15 | 2022-08-09 | 陈琪 | Coal chemical industry knockout tower |
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Application publication date: 20120801 |