CN103921428B - Plastic filtering device - Google Patents
Plastic filtering device Download PDFInfo
- Publication number
- CN103921428B CN103921428B CN201310010232.0A CN201310010232A CN103921428B CN 103921428 B CN103921428 B CN 103921428B CN 201310010232 A CN201310010232 A CN 201310010232A CN 103921428 B CN103921428 B CN 103921428B
- Authority
- CN
- China
- Prior art keywords
- way
- filtration members
- housing
- led
- filtering device
- 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.)
- Expired - Fee Related
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
- B29C48/36—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
- B29C48/6916—Continuously rotating cylindrical filters
-
- 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
- B29C48/255—Flow control means, e.g. valves
- B29C48/2554—Flow control means, e.g. valves provided in or in the proximity of filter devices
-
- 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
-
- 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
- B29C48/694—Cylindrical or conical filters
Abstract
The present invention relates to a kind of plastic filtering device, it includes: a housing, there are front and back two end wall and four sidewalls up and down, centre has a chamber, a housing wherein sidewall is provided with a charging conduit, another sidewall is provided with a clear hopper road, and its front bulkhead is provided with a discharging conduit, and three conduits all and chamber; One filtration members, in tubular, tube wall is provided with multiple perforation, and site of perforation is provided with filter screen, and tubular axis forms a room, and filtration members is contained in the chamber of housing, can turn by external force; One guide member, be fixed on room housing being positioned at filtration members, the charging conduit of its corresponding housing, clear hopper road and discharging conduit position are respectively equipped with a charging and lead the way, one clearly expect to lead the way and a discharging is led the way, wherein charging is led the way and to be communicated with clear hopper road with charging conduit across filtration members with expecting clearly to lead the way, and discharging is led the way and to be then directly communicated with discharging conduit; One control valve, is located at guide member and between clear material is led the way, for controlling the keying of expecting clearly to lead the way.
Description
Technical field
The present invention is relevant with plastic processing machinery, refers to a kind of plastic filtering device especially.
Background technology
As shown in Chinese invention application number 200910008877.4 patent, be a kind of plastic filtering device, there is disclosed the pressure utilizing the plastics after filtering, reverse cleaning filter screen, reaches effect of continuous filtration.But after a long time use, still have the needs changing filter screen, now only have shutdown one way, use still claims not coideal.
Summary of the invention
For the problems referred to above, main purpose of the present invention is to provide a kind of plastic filtering device, and it in use can change filter screen, reaches effect of continuous filtration.
For achieving the above object, a kind of plastic filtering device provided by the present invention, it is characterized in that including: a housing, there are front and back two end wall and four sidewalls up and down, centre has a chamber, and a described housing wherein sidewall is provided with a charging conduit, and another sidewall is provided with a clear hopper road, the front bulkhead of described housing is provided with a discharging conduit, described three conduits all with described chamber; One filtration members, in tubular, tube wall is provided with multiple perforation, and described site of perforation is provided with filter screen, and tubular axis forms a room, and described filtration members is contained in the chamber of described housing, can turn by external force; One guide member, be fixed on the room described housing being positioned at described filtration members, the charging conduit of its corresponding described housing, clear hopper road and discharging conduit position are respectively equipped with a charging and lead the way, one clearly expect to lead the way and a discharging is led the way, wherein said charging is led the way to lead the way with described clear material and to be communicated with described clear hopper road with described charging conduit across described filtration members, and described discharging is led the way and to be then directly communicated with described discharging conduit; One control valve, is located at described guide member and between described clear material is led the way, controls the keying that described clear material is led the way.
In the technical scheme of the invention described above, the tube wall of described filtration members is provided with at least two dummy sliders, each described dummy slider with the mode inlay card that can detach on the tube wall of described filtration members, be provided with in the pipe wall position of each described dummy slider and its inlay card the perforation interconnected, between each described dummy slider and the pipe wall position of its inlay card, be respectively provided with a slice filter screen.
Described filter screen is embedded on described dummy slider in the mode that can substitute.
The clear hopper road of described housing is provided with a scraper.
One side of described housing is provided with one, and described door is located in described clear hopper road, is provided with a scraper in the clear hopper road of described door, and the width of described door is greater than the width of each described dummy slider.
Described control valve is stock shape, which is provided with a long slot bore, it is interior between described clear material is led the way that described control valve is contained in described guide member, can turn by external force, its long slot bore and described clear material are led the way be communicated with and in enable possition, or its long slot bore is not led the way with described clear material be communicated with and be closed position.
Described control valve turns by a driving mechanism, and described driving mechanism includes: a connecting rod, the valve body pivot joint of one end and described control valve; One drive rod, one end and described connecting rod pivot joint; One driving member, is set on described drive rod, and is pivoted on the housing with a rotating shaft; One motor, is located on described driving member, drives described drive rod to be shifted up and down.
The dummy slider of described filtration members is embedded along the secant direction in the cross section of described tubular filter part.
The dummy slider of described filtration members is embedded along the axis direction of described filtration members.
Adopt technique scheme, the present invention closes clear material by control valve and leads the way, and can change the filter screen of filter part, reach effect of continuous filtration under filtration condition.
Accompanying drawing explanation
Fig. 1 is the stereoscopic figure of the embodiment of the present invention;
Fig. 2 and Fig. 1 is identical, the visual angle at the display back side;
Fig. 3 is the exploded perspective view of local element in Fig. 2;
Fig. 4 is another visual angle of Fig. 3;
Fig. 5 is the sectional view along 5---5 hatching line in Fig. 2;
Fig. 6 is the top view of Fig. 5;
Fig. 7 is the sectional view along 7---7 hatching line in Fig. 1, and display and control valve is opening;
Fig. 8 is analogous to Fig. 7, and display filtration members rotates the state of predetermined angular;
Fig. 9 is analogous to Fig. 7, and display and control valve is closed condition;
Figure 10 is the stereoscopic figure of filtration members of the present invention.
Figure 11 is the exploded perspective view of filtration members in Figure 10.
Figure 12 is the stereoscopic figure of door.
Figure 13 is the exploded perspective view of Figure 12.
Figure 14 is the sectional view along 9---9 hatching line in Figure 12.
Figure 15 is analogous to Fig. 1, the state that display door is opened.
Figure 16 is analogous to Figure 15, the state that display dummy slider is extracted out.
Figure 17 is the another kind of embodiment of filtration members.
Figure 18 is the replacing action schematic diagram of the dummy slider of filtration members in Figure 17.
Detailed description of the invention
Now lift following examples and by reference to the accompanying drawings structure of the present invention and effect be described in detail.
First as shown in Figures 1 to 7, the plastic filtering device of the embodiment of the present invention includes:
One housing 10, there are front and back two end wall 11,12 and up and down four sidewalls 13,14,15,16, in the middle of it, there is a chamber 17, a housing 10 wherein sidewall 15 is provided with a charging conduit 151, another sidewall 16 is provided with a clear hopper road 161, front bulkhead 11 is provided with discharging conduit 111, three conduit 151,161,111 and is all communicated with chamber 17.
One filtration members 20, in tubular, tube wall is provided with multiple perforation 21, and site of perforation is provided with filter screen 22, and tubular axis forms a room 23, and filtration members 20 is contained in the chamber 17 of housing 10, can turn by external force.
One guide member 30, fixing on the housing 10 and be positioned at the room 23 of filtration members 20, the charging conduit 151 of its corresponding housing 10, clear hopper road 161 and discharging conduit 111 position be respectively equipped with a charging lead the way 31, one expect clearly to lead the way 32 and one discharging lead the way 33, wherein charging is led the way 31 32 is be communicated with clear hopper road 161 with charging conduit 151 across filtration members 20 with expecting clearly to lead the way, and discharging is led the way and 33 to be directly communicated with discharging conduit 111.
One control valve 40, is located at guide member 30 and leads the way between 32 at clear material, for control to expect clearly to lead the way 32 keying.
As shown in Figure 10, Figure 11, the tube wall of filtration members 20 is provided with at least two dummy sliders 24 (the present embodiment is four), each dummy slider 24 with drawable mode inlay card on the tube wall of filtration members 20, be provided with tube wall 25 position of its inlay card the perforation 241,251 interconnected at each dummy slider 24, the aforesaid perforation 21 of common formation, a slice filter screen 22 is respectively provided with between each dummy slider 24 and tube wall 25 position of its inlay card, filter screen 22 is embedded on dummy slider 24 in the mode that can substitute, the present embodiment establishes a groove 242 at the inner face of dummy slider 24, is embedded for filter screen 22.
As shown in Figure 12 to Figure 14, one side 16 of housing 10 is provided with one 18, door 18 is located in clear hopper road 161, a scraper 19 is provided with in the clear hopper road of door 18, the width of door 18 is greater than the width of each dummy slider 24, and when door 18 is opened, the dummy slider 24 of door 18 side will reveal, convenient extraction dummy slider 24, for changing filter screen 22.
Control valve 40 is in stock shape, which is provided with a long slot bore 41, control valve 40 is contained in guide member 30 leads the way between 32 at clear material, can turn by external force, its long slot bore 41 32 to be communicated with expecting clearly to lead the way, in enable possition (as shown in Figure 7), or its long slot bore 41 32 not to be communicated with, in closed position (as shown in Figure 9) with expecting clearly to lead the way.
Control valve 40 turns by a driving mechanism 50, and driving mechanism 50 includes: (as shown in Figure 1 and Figure 2) connecting rod 51, one end and control valve 40 pivot joint; One drive rod 52, one end and connecting rod 51 pivot joint; One driving member 53, is set on drive rod 52, and is pivoted on the housing 10 with a rotating shaft 54; One motor 55, is located on driving member 53, is shifted for driving drive rod about 52.Driving member 53 can be one group of worm and wheel (not shown), and motor 55 drives worm screw to drive worm gear wheel, and drive rod 52 is a screw rod, is screwed onto aforementioned worm gear central authorities, makes worm-gear driven drive rod about 52 be shifted thus.Or drive rod 52 is a tooth row, motor 55 makes drive rod about 52 be shifted by a gear drive tooth row.Need add a supplementary explanation, driving mechanism also can a motor via gear train or the action of the mode such as chain or belt band brake control valve, or with one servo motor replace.
The filtration members 20 of the present embodiment is driven via gear or the mode such as chain or belt by a motor 60.
During use, by plastic extruder (as shown in Figure 5, only showing the discharging opening 70 of extruder) the melting plastics that extrude enter by charging conduit 151, the filtration of part 20 after filtration, the charging flowing into guide member 30 leads the way 31, lead the way via discharging and 33 to be flowed out by discharging conduit 111, as shown in Figure 7, when control valve 40 is in opening, the plastic warp of part expects to lead the way 32 outflows by clear, and flow counterflow through perforation 21 and the filter screen 22 of filtration members 20, form back washing effect, and the plastics in the perforation 241 of dummy slider 24 are pushed clearly among hopper road 161, as shown in Figure 8, filtration members 20 turns by motor 60 and slowly rotates, the plastics on filtration members 20 surface will be struck off by scraper 19, and fall to via clear hopper road 161 among bucket 181 default below door 18.
When filter screen 22 will be changed; as shown in Figure 9; the motor 55 of driving mechanism 50 drives drive rod 52 to move down; and be with brake control valve 40 to rotate in closed position; clear material is led the way and 32 to be completely blocked; all plastics all to be led the way 33 discharges by discharging; now door 18 can be opened (as shown in figure 15); then dummy slider 24 is up extracted out; i.e. replaceable filter screen 22 (as shown in figure 16); very convenient in operation, without the need to shutting down, the renewal of filter screen can be completed under normal filtration operation.
As shown in Figure 17, Figure 18, it is the another kind of embodiment of filtration members of the present invention, the dummy slider 81 of filtration members 80 is axially extracted out or is inserted engaging, therefore housing 90 can not establish door, but establish a deep-slotted chip breaker 91, by establishing push rod 92 in the both sides of housing 90, dummy slider 81 can be passed and shift out or move into, being convenient for changing the filter screen on dummy slider 81.Or only can establish a manipulator, be used for clamping dummy slider, and pull it or push housing.
Claims (8)
1. a plastic filtering device, is characterized in that including:
One housing, have front and back two end wall and four sidewalls up and down, centre has a chamber, a described housing wherein sidewall is provided with a charging conduit, another sidewall is provided with a clear hopper road, and the front bulkhead of described housing is provided with a discharging conduit, described three conduits all with described chamber;
One filtration members, in tubular, tube wall is provided with multiple perforation, and described site of perforation is provided with filter screen, and tubular axis forms a room, and described filtration members is contained in the chamber of described housing, can turn by external force;
One guide member, be fixed on the room described housing being positioned at described filtration members, the charging conduit of its corresponding described housing, clear hopper road and discharging conduit position are respectively equipped with a charging and lead the way, one clearly expect to lead the way and a discharging is led the way, wherein said charging is led the way to lead the way with described clear material and to be communicated with described clear hopper road with described charging conduit across described filtration members, and described discharging is led the way and to be then directly communicated with described discharging conduit;
One control valve, is located at described guide member and between described clear material is led the way, controls the keying that described clear material is led the way;
The tube wall of described filtration members is provided with at least two dummy sliders, each described dummy slider with the mode inlay card that can detach on the tube wall of described filtration members, be provided with in the pipe wall position of each described dummy slider and its inlay card the perforation interconnected, between each described dummy slider and the pipe wall position of its inlay card, be respectively provided with a slice filter screen;
One side of described housing is provided with one, and described door is located in described clear hopper road, and the width of described door is greater than the width of each described dummy slider.
2. plastic filtering device as claimed in claim 1, is characterized in that: described filter screen is embedded on described dummy slider in the mode that can substitute.
3. plastic filtering device as claimed in claim 1, is characterized in that: the clear hopper road of described housing is provided with a scraper.
4. plastic filtering device as claimed in claim 1, is characterized in that: be provided with a scraper in the clear hopper road of described door.
5. plastic filtering device as claimed in claim 1, it is characterized in that: described control valve is stock shape, which is provided with a long slot bore, it is interior between described clear material is led the way that described control valve is contained in described guide member, can turn by external force, its long slot bore and described clear material are led the way be communicated with and in enable possition, or its long slot bore is not led the way with described clear material be communicated with and be closed position.
6. plastic filtering device as claimed in claim 5, it is characterized in that: described control valve turns by a driving mechanism, described driving mechanism includes: a connecting rod, the valve body pivot joint of one end and described control valve; One drive rod, one end and described connecting rod pivot joint; One driving member, is set on described drive rod, and is pivoted on the housing with a rotating shaft; One motor, is located on described driving member, drives described drive rod to be shifted up and down.
7. plastic filtering device as claimed in claim 1, is characterized in that: the dummy slider of described filtration members is embedded along the secant direction in the cross section of described tubular filter part.
8. plastic filtering device as claimed in claim 1, is characterized in that: the dummy slider of described filtration members is embedded along the axis direction of described filtration members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310010232.0A CN103921428B (en) | 2013-01-11 | 2013-01-11 | Plastic filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310010232.0A CN103921428B (en) | 2013-01-11 | 2013-01-11 | Plastic filtering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103921428A CN103921428A (en) | 2014-07-16 |
| CN103921428B true CN103921428B (en) | 2016-02-24 |
Family
ID=51139941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310010232.0A Expired - Fee Related CN103921428B (en) | 2013-01-11 | 2013-01-11 | Plastic filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103921428B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103935015A (en) * | 2013-01-18 | 2014-07-23 | 晶铁科技工业股份有限公司 | Filtering part with clamping type filtering screen |
| CN105773871A (en) * | 2014-12-22 | 2016-07-20 | 宜兴市光辉胶粘剂有限公司 | Hot melt adhesive discharge end filtration device |
| CN105522711B (en) * | 2016-01-20 | 2017-11-10 | 施晓荷 | Continuous net-changing device and net exchanging device and extruder |
| CN105563793B (en) * | 2016-02-27 | 2018-10-26 | 浙江乐能科技有限公司 | One kind is rotatably without fluctuation net-changing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57173144A (en) * | 1981-04-17 | 1982-10-25 | Hoshi Kogyo Kk | Exchanger for screen |
| DE3716707A1 (en) * | 1987-05-19 | 1988-12-01 | Harald Pohl | Continuously operating melt-filter system for coextrusion systems |
| JPH09109232A (en) * | 1995-10-20 | 1997-04-28 | Ishikawajima Harima Heavy Ind Co Ltd | Foreign matter discharging device for extruder |
| US5779898A (en) * | 1994-03-15 | 1998-07-14 | Wilman Polymer Filtration Gmbh | Control device for filters in at least two partial fluid streams |
| DE202005019877U1 (en) * | 2005-12-20 | 2006-03-16 | Lin, Ping-Ho, Yung Kang Hsiang | A sieve unit for continuous operation using gravity forced feed to a rotating, sieve screen with oscillating internal clearing, and a screw conveyor for discharging foreign material not passing the screen |
| TW201043441A (en) * | 2009-06-03 | 2010-12-16 | Tsukada Tokurou | Melt filter |
-
2013
- 2013-01-11 CN CN201310010232.0A patent/CN103921428B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57173144A (en) * | 1981-04-17 | 1982-10-25 | Hoshi Kogyo Kk | Exchanger for screen |
| DE3716707A1 (en) * | 1987-05-19 | 1988-12-01 | Harald Pohl | Continuously operating melt-filter system for coextrusion systems |
| US5779898A (en) * | 1994-03-15 | 1998-07-14 | Wilman Polymer Filtration Gmbh | Control device for filters in at least two partial fluid streams |
| JPH09109232A (en) * | 1995-10-20 | 1997-04-28 | Ishikawajima Harima Heavy Ind Co Ltd | Foreign matter discharging device for extruder |
| DE202005019877U1 (en) * | 2005-12-20 | 2006-03-16 | Lin, Ping-Ho, Yung Kang Hsiang | A sieve unit for continuous operation using gravity forced feed to a rotating, sieve screen with oscillating internal clearing, and a screw conveyor for discharging foreign material not passing the screen |
| TW201043441A (en) * | 2009-06-03 | 2010-12-16 | Tsukada Tokurou | Melt filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103921428A (en) | 2014-07-16 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20160224 Termination date: 20180111 |