CN103831963A - Plastic melt filter without need of replacing net for long time - Google Patents
Plastic melt filter without need of replacing net for long time Download PDFInfo
- Publication number
- CN103831963A CN103831963A CN201210517000.XA CN201210517000A CN103831963A CN 103831963 A CN103831963 A CN 103831963A CN 201210517000 A CN201210517000 A CN 201210517000A CN 103831963 A CN103831963 A CN 103831963A
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- China
- Prior art keywords
- filter
- filter screen
- long time
- melt
- impurity
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B29C48/27—Cleaning; Purging; Avoiding contamination
- B29C48/2725—Cleaning; Purging; Avoiding contamination of filters
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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
- B29C48/50—Details of extruders
- B29C48/69—Filters or screens for the moulding material
- B29C48/691—Arrangements for replacing filters, e.g. with two parallel filters for alternate use
- B29C48/6914—Arrangements for replacing filters, e.g. with two parallel filters for alternate use the filters being fitted on a rotatable or pivotable disc or on the circumference of a rotatable or pivotable cylinder
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a plastic melt filter without need of replacing a net for a long time. The plastic melt filter comprises a melt feeding hole, an outer ring, an inner ring, a filter rear plate, a porous plate, a chassis, a cover plate, a filter net, a filter net pushing device or traction device, a filter front cavity, a filter rear cavity, a melt discharging hole, a rear sealing device, an impurity remover, an impurity outlet, and a front sealing device, wherein the filter net is of a cylinder structure which is connected in an end-to-end manner, and arranged on the surface of an excircle of the inner ring, and pushed by the pushing device or traction device to filter and remove impurities alternatively for being recycled. The plastic melt filter has the beneficial effects that the filter net does not need to be frequently replaced after being stopped, the filter net does not need to be replaced for a long time when an extruder works, thus a large quantity of time is saved, the work efficiency is increased, raw materials are saved, electric consumption is reduced, and the labor intensity of a worker is greatly lightened.
Description
Technical field
The present invention relates to plastics machinery field, especially one not draping for a long time plastic melt filter.
Technical background
Manufacture both at home and abroad at present, sell, the plastic flat filament drawing machine group using, plastic round wire wire drawing unit, plastic extrusion film unit, plastic membrane blowing unit, mainframe host computer-plastic extruder that plastic calender group and nonwoven production unit etc. adopt, raw material in plastic extruder, melt extrude to before die head moulding essential first after filtration, the most frequently used melt filtration structure is single cylinder or multi-cylinder filter structure and does not shut down draping structure at present, all structures of prior art, all essential filter screens of often changing, even not shutting down draping structure described is also all to adopt the disposable use of new net, while particularly using plastics recovery material because impurity is many, change filter screen more frequent, not only waste a large amount of metal screens, draping labour intensity is large, also need often to shut down and change filter screen, have a strong impact on normal production.
Summary of the invention
The object of the invention is to overcome above-mentioned defect, one not draping for a long time plastic melt filter is provided, it is characterized in that: filter includes melt charging aperture 1, outer ring 2, inner ring 3, plate 5 after filter, porous plate 4, chassis 6, cover plate 7, filter screen 8, filter ante-chamber 9, filter back cavity 10, melt discharging opening 11, rear sealing device 12, impurity remover 14, the outlet 15 of impurity material and front sealing device 17, described filter screen 8 is the cylinder-like structure connecing from beginning to end, be arranged on the outer round surface of inner ring 3, between outer ring 2 and filter screen 8, be designed with filter ante-chamber 9, after inner ring 3 and filter, between plate 5, be designed with filter back cavity 10, on the inner ring 3 between filter ante-chamber 9 and filter back cavity 10, being designed with some holes is porous plate 4, two of filter ante-chamber 9 is provided with front sealing device 17 and rear sealing device 12, filter ante-chamber 9 and melt charging aperture 1 communicate, filter back cavity 10 and melt discharging opening 11 communicate.
As preferably, described filter includes filter screen draw-gear 16, and filter screen draw-gear 16 includes roller A25 and roller B26, is arranged on the interior outside of filter screen 8, and roller A25 contacts with the interior side roll of filter screen 8, and roller B26 contacts with the outer side roll of filter screen 8.
As preferably, described filter includes filter screen draw-gear 16, and filter screen draw-gear 16 includes roller 32 and brush roll 31, is arranged on the interior outside of filter screen 8, and roller 32 contacts with the interior side roll of filter screen 8, and brush roll 31 contacts with the outer side roll of filter screen 8.
As preferably, described impurity remover 14 is high pressure air knife, and high pressure air knife is arranged on the inner side of filter screen 8, and high pressure air knife outside exports 15 with impurity material and communicates.
As preferably, described impurity remover 14 is vibrator 33, and vibrator 33 is arranged on the inner side of filter screen 8, and vibrator 33 outsides communicate with impurity material outlet 15.
As preferably, described impurity remover 14 is brush roll 24, and brush roll 24 is arranged on the outside of filter screen 8, and brush roll 24 bottoms communicate with impurity material outlet 15.
As preferably, described impurity remover 14 is perching knife 42, and perching knife 42 is arranged on the outside of filter screen 8, and perching knife 42 bottoms communicate with impurity material outlet 15.
As preferably, described rear sealing device 12 includes regulating block 21, set screw 22 and cooler 23, and cooler 23 is arranged on the rear portion of regulating block 21.
Beneficial effect of the present invention: owing to being designed with related device and the structure such as filter screen 8 and impurity remover 14, filter screen 8 is the tubular structure connecing from beginning to end, under the kinetic potential of melt extrusion promotes or under draw-gear 16 tractions, filter screen 8 slowly moves along the outer round surface of inner ring 3, make to move and cause impurity remover 14 places impurity is removed with the filter screen part of impurity in 9 places whens work of filter ante-chamber, filter screen after removal of contamination is slowly moved back into the 9 places work of filter ante-chamber along the outer round surface of inner ring 3 again, this slow movement, loop melt filtration work and filter rear impurity removing work, thereby do not need often to shut down the replacing of carrying out filter screen, not only save the plenty of time, increase work efficiency, save material, also greatly alleviate workman's labour intensity.
Brief description of the drawings
Fig. 1 is the structural representation of an embodiment of apparatus of the present invention.
Fig. 2 is the structural representation of another embodiment of apparatus of the present invention.
Fig. 3 is the structural representation of another embodiment of apparatus of the present invention.
Fig. 4 is the structural representation of another embodiment of apparatus of the present invention.
Detailed description of the invention
Further describe embodiment below in conjunction with accompanying drawing
It is the structural representation of an embodiment of apparatus of the present invention with reference to Fig. 1: Fig. 1, 1-melt charging aperture, 2-outer ring, 3-inner ring, 4-porous plate, plate after 5-filter, 6-chassis, 7-cover plate, 8-filter screen, 9-filters ante-chamber, 10-filters back cavity, 11-melt discharging opening, sealing device after 12-, 13-heater, 14-impurity remover, the outlet of 15-impurity material, 16-draw-gear, sealing device before 17-, when the present embodiment work, plastic extruder melt extrusion enters filter ante-chamber 9 from the melt charging aperture 1 of this filter with tangential direction, melt has kinetic potential promotion filter screen 8 and moves along the smooth outer surface of inner ring 3, when melt arrives porous plate 4 position, through the hole on filter screen 8 and porous plate 4, enter filter back cavity 10, impurity in melt is filtered, leave impurity at filter screen 8 outer surfaces, melt after filtering enters filter back cavity 10 and then goes out from melt discharging opening 11 that plastic extruder is latter half of to be continued to extrude or directly to die head moulding, filter screen 8 is the cylinder-like structure connecing from beginning to end, smooth outer round surface along inner ring 3 slowly moves, with the filter screen part of impurity through after sealing device 12 arrive impurity remover 14 positions, remover 14 will be attached to the Impurity removal of filter screen 8 outer surfaces, after heater via 13 heating, carry out impurity to impurity remover 14 again and remove better effects if, impurity reclaims after impurity material outlet 15, filter screen part after removing impurity continues to move along the outer round surface of inner ring 3, premenstrual sealing device 17 is got back to filter ante-chamber 9, enter and recycle, constantly recycling of this filter screen, Bu Xu is Yaoed the numerous replacing filter screen of Frequency, just change until filter screen 8 is damaged, not only save the plenty of time, increase work efficiency, save material, save electric energy, also greatly alleviate workman's labour intensity.
With reference to Fig. 2: 21-regulating block, 22-set screw, 23-cooler, 24-brush roll, 25-roller A, 26-roller B, the present embodiment and first embodiment difference are: the shuttling movement of filter screen is to be drawn by roller A25 and roller B26, under the drive of motor, roller A25 contacts with the interior side roll of filter screen 8, roller B26 contacts with the outer side roll of filter screen 8, filter screen 8 is circled along the outer round surface of inner ring 3, when work, plastic extruder melt extrusion enters filter ante-chamber 9 from the melt charging aperture 1 of this filter, when melt passes the porous plate 4 on filter screen 8 and inner ring 3, impurity in melt is filtered, leave impurity at filter screen 8 outer surfaces, filter screen 8 arrives brush roll 24 positions together with the impurity that is attached to filter screen 8 outer surfaces through sealing device 12 later and carries out impurity removing, filter screen 8 after removing impurity continues to be moved along the outer round surface of inner ring 3 by roller A25 and roller B26 traction, premenstrual sealing device 17 is got back to filter ante-chamber 9 and is entered and recycle, rear sealing device 12 includes regulating block 21, set screw 22 and cooler 23, cooler 23 is arranged on the rear portion of regulating block 21, this sealing device reliable operation, good sealing effect, thisly constantly recycle the numerous replacing filter screen of Bu Xu Frequency by roller A25 and roller B26 traction, just change until filter screen is damaged, not only save the plenty of time, increase work efficiency, save material, save electric energy, also greatly alleviate workman's labour intensity.
With reference to Fig. 3: 31-roller, 32-brush roll, 33-vibrator, the present embodiment and upper two embodiment differences are: the shuttling movement of filter screen 8 is to be undertaken by roller 32 and brush roll 31 tractions, under the drive of motor, brush roll 31 contacts with the outer side roll of filter screen 8, roller 32 contacts with the interior side roll of filter screen 8, brush roll 31 plays a part to remove filter screen 8 outer surface impurity on the one hand, coordinate traction filter screen 8 to recycle simultaneously with roller 32, removal of contamination adopts vibrator 33 better effects if, thisly draw filter screen 8 by roller 32 and brush roll 31 and constantly recycle the numerous replacing filter screen of Bu Xu Frequency, just change until filter screen is damaged, not only save the plenty of time, increase work efficiency, save material, save electric energy, also greatly alleviate workman's labour intensity.
With reference to Fig. 4: 41-cooler, 42-perching knife, the present embodiment and upper three embodiment differences are: the removing of filter screen 8 outer surface impurity is completed by perching knife, be that filter screen 8 is under tractive force effect during along inner ring 3 shuttling movement, entering perching knife 42 positions from rear sealing device filter screen 8 outer surfaces out with impurity and a small amount of melt roots out impurity by perching knife 42 and continues to recycle, impurity material reclaims after impurity material outlet 15, enters perching knife 42 positions again and root out impurity effect by better by perching knife 42 after cooler 41 is cooling.
The impurity remover of above-mentioned 4 embodiment has various structures pattern; be not described in addition; adopt a kind of impurity remover or adopt plurality of impurities remover all to belong to this patent protection domain simultaneously; equally; filter screen in above-described embodiment advances or traction also has various structures pattern, is to adopt one or more traction patterns also all to belong to this patent protection domain.
Beneficial effect of the present invention: do not need often to shut down the replacing of carrying out filter screen when plastic extruder work, not draping for a long time, not only saves the plenty of time, increases work efficiency, and saves material, and saves energy consumption, also greatly alleviates workman's labour intensity.
Claims (8)
1. the plastic melt of a not draping for a long time filter, is characterized in that: filter includes melt charging aperture (1), outer ring (2), inner ring (3), porous plate (4), plate (5) after filter, chassis (6), cover plate (7), filter screen (8), filter ante-chamber (9), filter back cavity (10), melt discharging opening (11), rear sealing device (12), impurity remover (14), the outlet of impurity material (15) and front sealing device (17), described filter screen (8) is the cylinder-like structure connecing from beginning to end, be arranged on the outer round surface of inner ring (3), between outer ring (2) and filter screen (8), be designed with filter ante-chamber (9), after inner ring (3) and filter, between plate (5), be designed with filter back cavity (10), on the inner ring (3) between filter ante-chamber (9) and filter back cavity (10), be designed with the porous plate (4) in some holes, two of filter ante-chamber (9) is provided with front sealing device (17) and rear sealing device (12), filter ante-chamber (9) and melt charging aperture (1) communicate, filter back cavity (10) and melt discharging opening (11) communicate.
2. one not draping for a long time plastic melt filter according to claim 1, it is characterized in that: described filter includes filter screen draw-gear (16), filter screen draw-gear (16) includes roller A (25) and roller B (26), be arranged on the interior outside of filter screen (8), roller A (25) contacts with the interior side roll of filter screen (8), and roller B (26) contacts with the outer side roll of filter screen (8).
3. one not draping for a long time plastic melt filter according to claim 1, it is characterized in that: described filter includes filter screen draw-gear (16), filter screen draw-gear (16) includes roller (32) and brush roll (31), be arranged on the interior outside of filter screen (8), roller (32) contacts with the interior side roll of filter screen (8), and brush roll (31) contacts with the outer side roll of filter screen (8).
4. one not draping for a long time plastic melt filter according to claim 1, it is characterized in that: described impurity remover (14) is high pressure air knife, high pressure air knife is arranged on the inner side of filter screen (8), and outside, high pressure air knife position communicates with impurity material outlet (15).
5. one not draping for a long time plastic melt filter according to claim 1, it is characterized in that: described impurity remover (14) is vibrator (33), vibrator (33) is arranged on the inner side of filter screen (8), and outside, vibrator (33) position communicates with impurity material outlet (15).
6. one not draping for a long time plastic melt filter according to claim 1, it is characterized in that: described impurity remover (14) is brush roll (24), brush roll (24) is arranged on the outside of filter screen (8), and brush roll (24) bottom communicates with impurity material outlet (15).
7. one not draping for a long time plastic melt filter according to claim 1, it is characterized in that: described impurity remover (14) is perching knife (42), perching knife (42) is arranged on the outside of filter screen (8), and perching knife (42) bottom communicates with impurity material outlet (15).
8. one not draping for a long time plastic melt filter according to claim 1, it is characterized in that: described rear sealing device (12) includes regulating block (21), set screw (22) and cooler (23), and cooler (23) is arranged on the rear portion of regulating block (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210517000.XA CN103831963A (en) | 2012-11-25 | 2012-11-25 | Plastic melt filter without need of replacing net for long time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210517000.XA CN103831963A (en) | 2012-11-25 | 2012-11-25 | Plastic melt filter without need of replacing net for long time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103831963A true CN103831963A (en) | 2014-06-04 |
Family
ID=50796009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210517000.XA Pending CN103831963A (en) | 2012-11-25 | 2012-11-25 | Plastic melt filter without need of replacing net for long time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103831963A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2194257Y (en) * | 1994-05-17 | 1995-04-12 | 湖北省机电研究院 | Plastics extruder |
| WO2005087477A1 (en) * | 2004-03-16 | 2005-09-22 | Evgeniy Petrovich Barmashyn | Extrusion machine for processing of thermoplastic polymeric materials |
| US20070068867A1 (en) * | 2003-12-20 | 2007-03-29 | Roderich Ettlinger | Device for continuously filtering material mixtures |
| CN202440574U (en) * | 2012-03-05 | 2012-09-19 | 黄美昌 | Plastic extruder capable of replacing filter screen without shutdown |
| CN202439211U (en) * | 2012-03-05 | 2012-09-19 | 陈崇锡 | Plastic melt filter with multiple filter cavities |
| CN203046218U (en) * | 2012-10-26 | 2013-07-10 | 黄美昌 | Plastic extruder filter with online filter screen circularly used |
| CN103786329A (en) * | 2012-10-26 | 2014-05-14 | 黄美昌 | On-line circulating utilization device for filtering net of plastic extruder |
-
2012
- 2012-11-25 CN CN201210517000.XA patent/CN103831963A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2194257Y (en) * | 1994-05-17 | 1995-04-12 | 湖北省机电研究院 | Plastics extruder |
| US20070068867A1 (en) * | 2003-12-20 | 2007-03-29 | Roderich Ettlinger | Device for continuously filtering material mixtures |
| WO2005087477A1 (en) * | 2004-03-16 | 2005-09-22 | Evgeniy Petrovich Barmashyn | Extrusion machine for processing of thermoplastic polymeric materials |
| CN202440574U (en) * | 2012-03-05 | 2012-09-19 | 黄美昌 | Plastic extruder capable of replacing filter screen without shutdown |
| CN202439211U (en) * | 2012-03-05 | 2012-09-19 | 陈崇锡 | Plastic melt filter with multiple filter cavities |
| CN203046218U (en) * | 2012-10-26 | 2013-07-10 | 黄美昌 | Plastic extruder filter with online filter screen circularly used |
| CN103786329A (en) * | 2012-10-26 | 2014-05-14 | 黄美昌 | On-line circulating utilization device for filtering net of plastic extruder |
Non-Patent Citations (1)
| Title |
|---|
| 姚祝平: "塑料挤出机自动换网技术的进展", 《新材料产业》, no. 09, 31 August 2000 (2000-08-31), pages 70 - 72 * |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140604 |