CN107791490A - Not draping plastic filter - Google Patents
Not draping plastic filter Download PDFInfo
- Publication number
- CN107791490A CN107791490A CN201610830299.2A CN201610830299A CN107791490A CN 107791490 A CN107791490 A CN 107791490A CN 201610830299 A CN201610830299 A CN 201610830299A CN 107791490 A CN107791490 A CN 107791490A
- Authority
- CN
- China
- Prior art keywords
- filter
- knife
- plastic
- draping
- chamber
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
- B29C48/2735—Cleaning; Purging; Avoiding contamination of filters using scrapers
-
- 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
- B29C48/693—Substantially flat filters mounted at the end of an extruder screw perpendicular to the feed axis
Abstract
The invention discloses not draping plastic filter, includes housing, and filter chamber is provided with housing, and filter plate is provided with filter chamber and scrapes filter knife, scrapes filter knife and is connected with screw of plastic extruder, beneficial effects of the present invention：Using the direct filtering plastic impurity of filter plate; the rotary power of filter knife is scraped using screw rod, and impurity material is scraped from filter plate send sediment flushing outlet to discharge in time, is not required to increase power-equipment in addition; the filtering of plastic melt is carried out without silk screen; without shutting down draping, not only save the plenty of time, improve operating efficiency; economize on electricity; save material, also greatly mitigate the labor intensity of worker, exempt the risk that the personal injury such as burn is produced because changing screen pack.
Description
Technical field
The present invention relates to field of plastic machinery, especially not draping plastic filter.
Background technology
The plastic flat filament drawing machine group manufacture, sell both at home and abroad, using at present, plastic round wire wire drawing unit, plastic extrusion
Film unit, plastic membrane blowing unit, plastic calender group, non-woven fabrics manufacture unit, spun-bonded fibre manufacture unit, drip irrigation zone production
Unit, is granulated main frame-plastic extruder of the plastic extrusion unit such as unit, its raw material in plastic extruder melting extrusion to mould
Filter must be first passed through before head shaping, current the most frequently used melt filtration structure is single cylinder or multi-cylinder filter structure, prior art
All structures, must all be filtered using silk screen, it is necessary to often change wire gauze filter, during especially with recycled plastics polymers due to
Impurity is more, and replacing filter screen is frequent, and changing screen pack every time must all shut down, and not only discards a large amount of metal screens, draping work
Intensity is big, and there is the hidden danger for the person of burning, security is poor, and power consumption is high, and material loss is big, also has a strong impact on normal production.
The content of the invention
The purpose of the present invention is to overcome drawbacks described above, there is provided not draping plastic filter, it is characterised in that：Include shell
Body, housing are made up of housing A4 and housing B9, and filter chamber is provided with housing, is provided with filter plate 7 in filter chamber, filter chamber is divided into filter by filter plate 7
Ante-chamber 5 and filter back cavity 8, interior be provided with of filter ante-chamber 5 scrape filter knife 6, scrape filter knife 6 and be connected with screw of plastic extruder 1.
Preferably, the filter knife 6 of scraping is arranged on the one end of power transmission shaft 15, the other end of power transmission shaft 15 and screw of plastic extruder
1 is fastenedly connected.
Preferably, the screw of plastic extruder 1 and scrape filter knife 6 between power transmission shaft 15 on spring 16 is installed.
Preferably, being provided with decelerator in the filter ante-chamber 5, decelerator includes little gear A29, gear wheel C24, small tooth
C25, gear wheel D28, reducer input shaft A30 and reducer output shaft A27 are taken turns, little gear A29 engages with gear wheel C24, greatly
Gear C 24 and little gear C25 are coaxial, and little gear C25 engages with gear wheel D28, are provided with gear wheel D28 output shaft A27
Filter knife 6 is scraped, it is coaxially hollow shaft to scrape filter knife 6 with gear wheel D28, is sleeved in mandrel 26, mandrel 26 is fastened on filter plate 7, small
Gear A 29 is arranged on reducer input shaft A30, and reducer input shaft A30 is fastenedly connected with screw of plastic extruder 1.
Preferably, being provided with decelerator B34 outside the housing, scrape filter knife 6 and be arranged on hollow shaft B31 one end, hollow shaft
The B31 other ends are connected with reducer output shaft B33, and the end of screw of plastic extruder 1 is provided with long power transmission shaft 32, long transmission
Axle 32 and reducer input shaft B35 is connected.
Preferably, the filter knife 6 of scraping is more than two curved knifes 41.
Preferably, the filter plate 7 is made up of two panels steel plate, contacted with filter ante-chamber 5 it is a piece of be filter 71, filter
For hole C73 diameters on 71 more than below 0.7mm, the mesh of density 120 in hole, another steel plate is supporting plate 72, in supporting plate 72
Hole D74 diameters in more than 1mm.
Preferably, the housing, connecting hole 3 is designed with its axial direction, connecting hole 3 is connected with charging barrel of plastic extruder 2,
Housing is provided with sediment flushing outlet 11 and discharge opening 10 in the radial direction, and sediment flushing outlet 11 communicates with filter ante-chamber 5, discharge opening 10 and filter back cavity
8 communicate.
Beneficial effects of the present invention：Due to not using silk screen filter, and the direct filtering plastic impurity of filter plate is used, utilize spiral shell
Bar scrapes the rotary power of filter knife, and in time discharges impurity material from sediment flushing outlet, is not required to increase power-equipment in addition, without silk
Net carries out the filtering of plastic melt, without shutting down draping, not only saves the plenty of time, improves operating efficiency, economizes on electricity, section
About raw material, also greatly mitigate the labor intensity of worker, exempt the risk that the personal injury such as burn is produced because changing screen pack.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention；
Fig. 2 is the structural representation of another embodiment of the present invention；
Fig. 3 is the structural representation of another embodiment of the invention；
Fig. 4 is the structural representation of further embodiment of the present invention；
Fig. 5 is that scraping for the embodiment of the present invention filters knife schematic shapes；
Fig. 6 is that scraping for the embodiment of the present invention filters knife-edge shape schematic top plan view；
Fig. 7 is a kind of filter plate schematic diagram of the embodiment of the present invention；
Fig. 8 is the A-A schematic cross-sectional views of the embodiment of the present invention；
Embodiment
Embodiment is further described below in conjunction with accompanying drawing
Reference picture 1：Fig. 1 is the structural representation of apparatus of the present invention one embodiment, 1- screw rods, 2- barrels, 3- connecting holes,
4- housings A, 5- filter ante-chamber, 6- scrape filter knife, 7- filter plates, 8- filters back cavity, 9- housing B, 10- discharge opening, 11- sediment flushing outlets, not draping
Plastic filter includes housing, and housing is made up of housing A4 and housing B9, and housing A4 and housing B9 can use a variety of known skills
Art is attached, and is mode connects for screw shown in the present embodiment, and filter chamber is provided with housing, and filter plate 7 is provided with filter chamber, and filter plate 7 will be filtered
Chamber is divided into filter ante-chamber 5 and filter back cavity 8, is provided with filter ante-chamber 5 and scrapes filter knife 6, scrapes filter knife 6 and is connected with screw of plastic extruder 1,
The drive connection.
Reference picture 2：1- screw rods, 6- scrape filter knife, 15- power transmission shafts, 16- springs, and the filter knife 6 of scraping is close to filter plate 7 and is arranged on
The one end of power transmission shaft 15, the other end of power transmission shaft 15 are fastenedly connected with screw of plastic extruder 1, when screw of plastic extruder 1 rotates
Filter knife 6 is scraped by the drive of power transmission shaft 15 to rotate, spring 16 is installed on the power transmission shaft 15, is made to scrape when filter knife 6 rotates and is close to all the time
Filter plate 7 is run, and improves clear deimpurity efficiency.
Reference picture 3：1- screw rods, 2- barrels, 4- housings A, 5- filter ante-chamber, 6- scrape filter knife, 7- filter plates, 8- filters back cavity, 9- shells
Body B, 10- discharge opening, 11- sediment flushing outlets, 21- fixing screws, 22- jackshafts, 23- centres axis fixing plate, 24- gear Bs, 25- teeth
Take turns C, 26- fixing axle, 27- reducer output shaft A, 28- gear D, 29- gear As, 30- reducer input shafts A, the filter ante-chamber 5
Decelerator is inside installed, decelerator includes little gear A29, gear wheel C24, little gear C25, gear wheel D28, reducer input shaft
A30 and reducer output shaft A27, little gear A29 engage with gear wheel C24, and gear wheel C24 and little gear C25 are coaxial, little gear
C25 engages with gear wheel D28, is provided with gear wheel D28 output shaft A27 and scrapes filter knife 6, scrapes filter knife 6 and gear wheel D28 is coaxial
For hollow shaft, it is sleeved on solid shafting 26, solid shafting 26 is fastened on filter plate 7, and little gear A29 is arranged on reducer input shaft
On A30, reducer input shaft A30 is fastenedly connected with screw of plastic extruder 1, and during work, the rotation of screw rod 1 drives decelerator defeated
Enter axle 30 to rotate, the little gear A29 that installs thereon, which is rotated, drives gear wheel B24 to rotate, and is provided with small tooth on gear wheel B24 is coaxial
C25 is taken turns, little gear C25 drives gear wheel D28 to rotate, and for gear wheel D28 on output shaft 27, filter knife 6, warp are scraped in coaxially upper installation
The filter rotating speed of knife 6 scraped after decelerator slows down only has less than 5 revs/min, and scraping filter, effect is good and service life is grown, and decelerator is as selected pendulum
Line pinwheel planetary reduction gear, less than 5 revs/min can be equally reduced to even more slowly by scraping the rotating speed of filter knife 6, greatly increased and scraped filter knife
6 and the service life of filter plate 7, power consumption is reduced, can also prevent from scraping filter because scraping to filter the fast turn-around of knife 6 thick impurity is smashed into influence
Effect.
Reference picture 4：1- screw rods, 6- scrape filter knife, 31- hollow shafts, the long power transmission shafts of 32-, 33- reducer output shafts B, 34- subtract
Fast device B, 35- reducer input shaft B, the housing are provided with decelerator B34 outside, scrape filter knife 6 and are arranged on hollow shaft B31 one end,
The hollow shaft B31 other ends are connected with reducer output shaft B33, and the end of screw of plastic extruder 1 is provided with long power transmission shaft 32,
Long power transmission shaft 32 is connected with reducer input shaft B35, and hollow shaft is connected with reducer output shaft and long power transmission shaft is with slowing down
Device input axis connection can use the known technologies such as belt transmission, Chain conveyer or cardan drive to be connected.
Reference picture 5 and Fig. 6,41- curved knife, 42- boss, 43- mounting holes, the 44- knifes edge, the 45- knife back, 46- push away miscellaneous muscle, from
It can be seen in the figure, knife is shaped as arc curved knife, and curved knife is designed as more than two, may be designed as entirety, also can split
On cutter shaft, thickened gradually from the knife edge 44 to the knife back 45, plus push away miscellaneous muscle 46 and boss 42 can make whole scrape filter knife 6 be made
Light and firm, when the knife edge 44 of curved knife, which is close to filter plate 7, to be rotated, the impurity material on filter plate 7 is scraped, and miscellaneous muscle 46 is pushed away by arc
Push periphery to, be discharged into sediment flushing outlet 11, the knife edge 44 thickens gradually to the knife back 45, is advantageous to rely on stream pressure when scraping filter
Filter knife 6 will be scraped to push filter plate 7 to and operate.
Reference picture 7,71- filters, 72- supporting plates, 73- holes C, 74- hole D, the filter plate 7 are made up of two panels steel plate,
Be filter 71 with a piece of steel plate that contacts of filter ante-chamber 5, be hole C73 on filter 71, hole C73 diameters in below 0.7mm, hole
More than the mesh of density 120, another steel plate is supporting plate 72, is hole D74 in supporting plate 72, hole D74 diameters are in more than 1mm.
Reference picture 8,6- scrape filter knife, 7- filter plates, 10- discharge openings, 11- sediment flushing outlets, 81- arcuate furrows, and Fig. 8 is of the invention real
The A-A schematic cross-sectional views of example are applied, Fig. 1 is engaged, connecting hole 3, connecting hole 3 and plastic extruder is designed with the axial direction of the housing
Barrel 2 connects, and housing is provided with sediment flushing outlet 11 and discharge opening 10 in the radial direction, and sediment flushing outlet 11 communicates with filter ante-chamber 5, discharge opening
10 with filter back cavity 8 communicate, the present embodiment scrape filter knife 6 it is consistent with the direction of rotation of screw of plastic extruder 1, rotate counterclockwise, scrape
Filter knife 6 rotate when, the impurity material on the surface of filter plate 7 be scraped and along scrape filter knife push away miscellaneous muscle 46 radian line push to periphery enter row
Miscellaneous hole 11, being designed with arcuate furrow 81 in the front of sediment flushing outlet 11 can make impurity material enter arcuate furrow 81 then along sediment flushing outlet 11
It is discharged, improves impurities removal efficiency.
The present invention illustrates 4 embodiments, and during work, entirely not draping plastic filter all enters at a certain temperature
OK, the extrusion plastic melt of screw of plastic extruder 1 enters filter ante-chamber 5, numerous pores through in filter plate 7, makes the impurity in melt
Material filtered by filter plate 7, leave impurity in the outer surface of filter plate 7, screw rod 1 is used as power, by be driven drive scrape filter knife 6 rotate, due to
It is arc to scrape filter knife 6, scrapes and filters the every revolution of knife 6, can be scraped impurity material to periphery, is designed with housing 4 in circumferential direction
Sediment flushing outlet 11, the continuous rotation for scraping filter knife 6 are just constantly pushed impurity material to sediment flushing outlet 11 and discharged, and the melt gone after the removal of impurity is worn
Filter 6 enters filter back cavity 8, then process --- the die head after the entrance of discharge opening 10；One embodiment scrape filter knife 6 it is direct
The end of screw of plastic extruder 1 is arranged on by power transmission shaft 15, second embodiment is installed on filter cutter drive shaft 15 is scraped
Spring 16, it can make to scrape and be close to filter plate 7 all the time when filter knife 6 rotates and run, this two embodiment rotating speeds and screw of plastic extruder 1 are same
Speed, it is simple in construction convenient to install and maintain, but rotating speed is high, and abrasion is larger, and the 3rd the 4th two embodiment is scraped by decelerator handle
The rotating speed of filter knife 6 is reduced to less than 5 revs/min, makes to scrape filter knife 6 and filter plate 7 is durable in use, the 3rd embodiment is by decelerator
A22 is arranged in filter ante-chamber 5, can use common gear reducer or planet-cycloid reducer or other decelerators, scrapes filter knife 6
On reducer output shaft A23, reducer input shaft A21 is fastenedly connected with screw of plastic extruder 1, and this design is compared with the
Four kinds simple, and without sealing not material leakage, the 4th kind of embodiment is that decelerator B34 is provided with outside housing, scrapes filter knife 6 and is arranged on sky
Mandrel B31 one end, the hollow shaft B31 other ends are connected with reducer output shaft B33, the installation of the end of screw of plastic extruder 1
Have a long power transmission shaft 32, long power transmission shaft 32 is connected through hollow shaft B31 and reducer input shaft B35, long power transmission shaft 32 with
The sealing device of known technology is installed, the present embodiment is compared with other realities between hollow shaft B31 and between hollow shaft B31 and housing B9
It is that the housing external space is big to apply an advantage, can be attached work using various decelerators, working condition is very clear, and can
Repaired outside housing.
Described above is only the preferred embodiments of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, it is all not use silk screen filter, using the direct filtering plastic impurity of filter plate, and the rotary power for filtering knife, band are scraped using screw rod
Dynamic filter knife of scraping scrapes off impurity on filter plate, and the technical scheme under this thinking belongs to protection scope of the present invention.
Beneficial effects of the present invention：Due to not using silk screen filter, and the direct filtering plastic impurity of filter plate is used, utilize spiral shell
Bar scrapes the rotary power of filter knife, and in time discharges impurity material from sediment flushing outlet, is not required to increase power-equipment in addition, without silk
Net carries out the filtering of plastic melt, without shutting down draping, not only saves the plenty of time, improves operating efficiency, economizes on electricity, section
About raw material, also greatly mitigate the labor intensity of worker, exempt the risk that the personal injury such as burn is produced because changing screen pack.
Claims (8)
1. not draping plastic filter, it is characterised in that：Include housing, housing is made up of housing A (4) and housing B (9), shell
Filter chamber is provided with vivo, filter plate (7) is provided with filter chamber, and filter chamber is divided into filter ante-chamber (5) and filter back cavity (8) by filter plate (7), filters ante-chamber
(5) it is provided with and scrapes filter knife (6), is scraped filter knife (6) and be connected with screw of plastic extruder (1).
2. not draping plastic filter according to claim 1, it is characterised in that：The filter knife (6) of scraping is arranged on transmission
Axle (15) one end, power transmission shaft (15) other end are fastenedly connected with screw of plastic extruder (1).
3. not draping plastic filter according to claim 1 or 2, it is characterised in that：The screw of plastic extruder (1)
And scrape and spring (16) is installed on power transmission shaft (15) between filter knife (6).
4. not draping plastic filter according to claim 1, it is characterised in that：It is provided with and subtracts in the filter ante-chamber (5)
Fast device, decelerator include little gear A (29), gear wheel B (24), little gear C (25), gear wheel D (28), reducer input shaft A
(30) and reducer output shaft A (27), scrape filter knife (6) to be arranged on reducer output shaft A (27), reducer input shaft A (30)
It is fastenedly connected with screw of plastic extruder (1).
5. not draping plastic filter according to claim 1, it is characterised in that：Decelerator B is installed outside the housing
(34), scrape filter knife (6) and be arranged on hollow shaft B (31) one end, hollow shaft B (31) other ends are driven with reducer output shaft B (33)
Connection, screw of plastic extruder (1) end are provided with long power transmission shaft (32), long power transmission shaft (32) and reducer input shaft B (35)
Drive connection.
6. not draping plastic filter according to claim 1, it is characterised in that：The filter knife (6) of scraping is more than two
Curved knife (41).
7. not draping plastic filter according to claim 1, it is characterised in that：The filter plate (7) is by two panels steel plate group
Into, contacted with filter ante-chamber (5) it is a piece of be filter (71), hole C (73) diameters on filter (71) are in below 0.7mm, hole
The mesh of density 120 more than, another steel plate is supporting plate (72), and hole D (74) diameter in supporting plate (72) is in more than 1mm.
8. not draping plastic filter according to claim 1, it is characterised in that：The housing, it is designed with its axial direction
Connecting hole (3), connecting hole (3) are connected with charging barrel of plastic extruder (2), and housing is provided with sediment flushing outlet (11) with going out in the radial direction
Expect hole (10), sediment flushing outlet (11) communicates with filter ante-chamber (5), and discharge opening (10) communicates with filter back cavity (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610830299.2A CN107791490A (en) | 2016-09-07 | 2016-09-07 | Not draping plastic filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610830299.2A CN107791490A (en) | 2016-09-07 | 2016-09-07 | Not draping plastic filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107791490A true CN107791490A (en) | 2018-03-13 |
Family
ID=61530936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610830299.2A Pending CN107791490A (en) | 2016-09-07 | 2016-09-07 | Not draping plastic filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107791490A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605605A (en) * | 2018-12-14 | 2019-04-12 | 重庆平祥塑料有限公司 | A kind of extruding pelletization all-in-one machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202106534U (en) * | 2011-05-31 | 2012-01-11 | 开原市台州海港塑胶机械有限公司 | Filter without silk screen |
| CN102615799A (en) * | 2012-03-05 | 2012-08-01 | 陈崇锡 | Non-stop filter screen replaced dual extruder |
| CN204036805U (en) * | 2014-09-15 | 2014-12-24 | 李小武 | A kind of screw drive is without wire gauzee filter |
| CN104309097A (en) * | 2014-10-18 | 2015-01-28 | 郑建财 | Filtering die head |
| CN204431696U (en) * | 2015-02-06 | 2015-07-01 | 马锡林 | Plastic extruder without silk screen filter device |
| CN105058735A (en) * | 2015-07-31 | 2015-11-18 | 马锡林 | High-efficiency no-silkscreen filter device of plastic extruder |
| CN205323331U (en) * | 2016-01-18 | 2016-06-22 | 郑州德奥科技有限公司 | Scraper formula shaker |
| CN206186322U (en) * | 2016-09-07 | 2017-05-24 | 黄美昌 | No silk screen plastics filter |
-
2016
- 2016-09-07 CN CN201610830299.2A patent/CN107791490A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202106534U (en) * | 2011-05-31 | 2012-01-11 | 开原市台州海港塑胶机械有限公司 | Filter without silk screen |
| CN102615799A (en) * | 2012-03-05 | 2012-08-01 | 陈崇锡 | Non-stop filter screen replaced dual extruder |
| CN204036805U (en) * | 2014-09-15 | 2014-12-24 | 李小武 | A kind of screw drive is without wire gauzee filter |
| CN104309097A (en) * | 2014-10-18 | 2015-01-28 | 郑建财 | Filtering die head |
| CN204431696U (en) * | 2015-02-06 | 2015-07-01 | 马锡林 | Plastic extruder without silk screen filter device |
| CN105058735A (en) * | 2015-07-31 | 2015-11-18 | 马锡林 | High-efficiency no-silkscreen filter device of plastic extruder |
| CN205323331U (en) * | 2016-01-18 | 2016-06-22 | 郑州德奥科技有限公司 | Scraper formula shaker |
| CN206186322U (en) * | 2016-09-07 | 2017-05-24 | 黄美昌 | No silk screen plastics filter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605605A (en) * | 2018-12-14 | 2019-04-12 | 重庆平祥塑料有限公司 | A kind of extruding pelletization all-in-one machine |
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