CN103921428A - Plastic filtration apparatus - Google Patents
Plastic filtration apparatus Download PDFInfo
- Publication number
- CN103921428A CN103921428A CN201310010232.0A CN201310010232A CN103921428A CN 103921428 A CN103921428 A CN 103921428A CN 201310010232 A CN201310010232 A CN 201310010232A CN 103921428 A CN103921428 A CN 103921428A
- Authority
- CN
- China
- Prior art keywords
- way
- filtration members
- led
- filtering device
- channel
- 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.)
- Granted
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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 plastic filtration apparatus, which comprises: a housing, wherein the housing is provided with a front end wall, a rear end wall, an upper side wall, a lower side wall, a left side wall and a right side wall, the middle is provided with a chamber, the one side wall of the housing is provided with a material inlet groove channel, the other side wall is provided with a material clearing groove channel, the front end wall is provided with a material outlet groove channel, and the three groove channels are communicated with the chamber; a filtration part, wherein the filtration part presents a tube shape, the tube wall is provided with a plurality of perforation holes, the perforation hole positions are provided with a filtration screen, the tube shaft forms an accommodating chamber, and the filtration part is accommodated in the chamber of the housing and can be driven to rotate by external force; a guide part, wherein the guide part is fixed on the housing and is positioned inside the accommodating chamber of the filtration part, the positions on the guide part and corresponding to the material inlet groove channel, the material clearing groove channel and the material outlet groove channel of the housing are respectively provided with a material inlet guide channel, a material clearing guide channel and a material outlet guide channel, the material inlet guide channel and the material clearing guide channel pass through the filtration part, and then are communicated with the material inlet groove channel and the material clearing groove channel, and the material outlet guide channel is directly communicated with the material outlet groove channel; and a control valve, wherein the control valve is arranged on the guide part, is positioned between the material clearing guide channel, and is provided for controlling opening/closing of the material clearing guide channel.
Description
Technical field
The present invention is relevant with plastic processing machinery, refers to especially a kind of plastic filtering device.
Background technology
As shown in Chinese patent application number 200910008877.4 patents, be a kind of plastic filtering device, it has disclosed the pressure that utilizes the plastics after filtering, and reverse cleaning filter screen reaches the effect of continuous filtration.But after long-time use, still have the needs of changing filter screen, now only have and shut down a way, still claim in the use 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 can in use change filter screen, reaches the 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 shell body, two end walls and four sidewalls up and down before and after having, centre has a chamber, and a described shell body wherein sidewall is provided with a charging conduit, and another sidewall is provided with a clear hopper road, the front bulkhead of described shell body is provided with a discharging conduit, and described three conduits are all communicated with described chamber; One filtration members, is tubular, and tube wall is provided with a plurality of 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 shell body, turned by external force; One guide member, be fixed on the room that is positioned at described filtration members on described housing, the charging conduit of its corresponding described shell body, clear hopper road and discharging conduit position are respectively equipped with a charging and lead the way, one expect clearly to lead the way and a discharging is led the way, wherein said charging is led the way and is led the way and be communicated with described clear hopper road with described charging conduit across described filtration members with described clear material, and described discharging is led the way and is 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, described in each dummy slider with the mode inlay card that can detach on the tube wall of described filtration members, described in each, the pipe wall position of dummy slider and its inlay card is provided with the perforation interconnecting, and described in each, between dummy slider and the pipe wall position of its inlay card, is 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 shell body is provided with a scraper.
One side of described shell body is provided with one, and described door is located in described clear hopper road, in the clear hopper road of described door, is provided with a scraper, and the width of described door is greater than the width of dummy slider described in each.
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, turned by external force, its long slot bore and described clear material are led the way and be communicated with and be enable possition, or make its long slot bore not lead the way and be communicated with and be closed position with described clear material.
Described control valve is turned 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 hubbed on described 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 filtration members.
The dummy slider of described filtration members is embedded along the axis direction of described filtration members.
Adopt technique scheme, the present invention closes material clearly by control valve and leads the way, and can under filtration condition, change the filter screen of filter part, reaches the effect of continuous filtration.
Accompanying drawing explanation
Fig. 1 is the stereoscopic figure of the embodiment of the present invention;
Fig. 2 is identical with Fig. 1, shows the visual angle at the 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 cutaway view along 5---5 hatching line in Fig. 2;
Fig. 6 is the top view of Fig. 5;
Fig. 7 is the cutaway view along 7---7 hatching line in Fig. 1, shows that control valve is opening;
Fig. 8 is analogous to Fig. 7, shows the state of filtration members rotation predetermined angular;
Fig. 9 is analogous to Fig. 7, shows that 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 cutaway view along 9---9 hatching line in Figure 12.
Figure 15 is analogous to Fig. 1, the state that show gate is opened.
Figure 16 is analogous to Figure 15, shows the state that dummy slider is extracted out.
Figure 17 is the another kind of example of filtration members.
Figure 18 is the replacing action schematic diagram of the dummy slider of filtration members in Figure 17.
The specific embodiment
Now lift following examples and by reference to the accompanying drawings structure of the present invention and effect be elaborated.
First as shown in Figures 1 to 7, the plastic filtering device of the embodiment of the present invention includes:
One shell body 10, two end walls 11,12 and up and down four sidewalls 13,14,15,16 before and after having, in the middle of it, there is a chamber 17, a shell body 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 conduits 151,161,111 and is all communicated with chamber 17.
One filtration members 20, is tubular, and tube wall is provided with a plurality of 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 shell body 10, turned by external force.
One guide member 30, be fixed on housing 10 and be positioned at the room 23 of filtration members 20, the charging conduit 151 of its corresponding shell body 10, clear hopper road 161 and discharging conduit 111 positions are respectively equipped with a charging 31, one clear material, 32 and one discharging of leading the way of leading the way and lead the way 33, wherein charging is led the way 31 to lead the way with clear material 32 is to be communicated with hopper road 161 clearly across filtration members 20 and charging conduit 151, and discharging is led the way and 33 is directly communicated with 111 of discharging conduits.
One control valve 40, is located at guide member 30 and leads the way between 32 at clear material, for controlling lead the way 32 the keying of clear material.
As shown in Figure 10, Figure 11, it is four that the tube wall of filtration members 20 is provided with at least two dummy slider 24(the present embodiment), each dummy slider 24 with drawable mode inlay card on the tube wall of filtration members 20, in each dummy slider 24 and tube wall 25 positions of its inlay card, be provided with the perforation 241,251 interconnecting, the aforesaid perforation 21 of common formation, between tube wall 25 positions of each dummy slider 24 and its inlay card, be respectively provided with a slice filter screen 22, filter screen 22 is embedded on dummy slider 24 in the mode that can substitute, the present embodiment is to establish a groove 242 at the inner face of dummy slider 24, for filter screen 22, is embedded.
As shown in Figure 12 to Figure 14, one side 16 of shell body 10 is provided with one 18, door 18 is located in clear hopper road 161, clear hopper road at door 18 is provided with a scraper 19, 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 sides will reveal, the convenient dummy slider 24 of extracting out, for changing filter screen 22.
Control valve 40 is stock shape, which is provided with a long slot bore 41, control valve 40 is contained in guide member 30 and leads the way between 32 at clear material, turned by external force, its long slot bore 41 and clear material are led the way 32 to be communicated with, be enable possition (as shown in Figure 7), or make its long slot bore 41 not lead the way and 32 be communicated with clear material, be closed position (as shown in Figure 9).
Control valve 40 is turned 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 joints; One drive rod 52, one end and connecting rod 51 pivot joints; One driving member 53, is set on drive rod 52, and is hubbed on housing 10 with a rotating shaft 54; One motor 55, is located on driving member 53, for driving drive rod 52 to be shifted up and down.Driving member 53 can be one group of worm and wheel (not shown), and motor 55 drives worm screw to drive worm gear to rotate, and 52 of drive rods are a screw rod, are screwed onto aforementioned worm gear central, make thus worm-gear driven drive rod 52 be shifted up and down.Or drive rod 52 is a tooth row, motor 55 is shifted drive rod 52 by a gear drive tooth row up and down.Need add a supplementary explanation, driving mechanism also can move via mode band brake control valves such as gear train or chain or belts by a motor, or replaces with a servo motor.
The filtration members 20 of the present embodiment is to drive via modes such as gear or chain or belts by a motor 60.
During use, by plastic extruder (as shown in Figure 5, the discharging opening 70 that only shows extruder) the melting plastics that extrude are entered by charging conduit 151, the filtration of part 20 after filtration, the charging that flows into guide member 30 leads the way 31, via discharging, lead the way 33 by 111 outflows of discharging conduit, as shown in Figure 7, when control valve 40 is during in opening, the plastic warp of part is by 32 outflows of leading the way of clear material, and reverse flow is crossed perforation 21 and the filter screen 22 of filtration members 20, form back washing effect, and the plastics in the perforation of dummy slider 24 241 are pushed clearly among hopper road 161, as shown in Figure 8, filtration members 20 is subject to turning of motor 60 and slowly rotates, the plastics on filtration members 20 surfaces will be struck off by scraper 19, and via clear hopper road 161, fall among the default bucket 181 in door 18 belows.
In the time will changing filter screen 22; as shown in Figure 9, the motor 55 of driving mechanism 50 drives drive rod 52 to move down, and is with brake control valve 40 rotations to be closed position; clear material is led the way and 32 is intercepted completely; all plastics all, by discharging 33 discharges of leading the way, now can be opened (as shown in figure 15) by door 18, then dummy slider 24 are up extracted out; be replaceable filter screen 22(as shown in figure 16); very convenient in operation, without shutdown, can under normal filtration operation, complete the renewal of filter screen.
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 along axial extraction or insert engaging, therefore housing 90 can not established door, but establish a deep-slotted chip breaker 91, by establishing push rod 92 in the both sides of housing 90, can pass dummy slider 81 and shift out or move into, be convenient for changing the filter screen on dummy slider 81.Or can only establish a manipulator, be used for clamping dummy slider, and pull it or push housing.
Claims (9)
1. a plastic filtering device, is characterized in that including:
One shell body, two end walls and four sidewalls up and down before and after having, centre has a chamber, a described shell body wherein sidewall is provided with a charging conduit, another sidewall is provided with a clear hopper road, and the front bulkhead of described shell body is provided with a discharging conduit, and described three conduits are all communicated with described chamber;
One filtration members, is tubular, and tube wall is provided with a plurality of 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 shell body, turned by external force;
One guide member, be fixed on the room that is positioned at described filtration members on described housing, the charging conduit of its corresponding described shell body, clear hopper road and discharging conduit position are respectively equipped with a charging and lead the way, one expect clearly to lead the way and a discharging is led the way, wherein said charging is led the way and is led the way and be communicated with described clear hopper road with described charging conduit across described filtration members with described clear material, and described discharging is led the way and is 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.
2. plastic filtering device as claimed in claim 1, it is characterized in that: the tube wall of described filtration members is provided with at least two dummy sliders, described in each dummy slider with the mode inlay card that can detach on the tube wall of described filtration members, described in each, the pipe wall position of dummy slider and its inlay card is provided with the perforation interconnecting, and described in each, between dummy slider and the pipe wall position of its inlay card, is respectively provided with a slice filter screen.
3. plastic filtering device as claimed in claim 2, is characterized in that: described filter screen is embedded on described dummy slider in the mode that can substitute.
4. plastic filtering device as claimed in claim 1, is characterized in that: the clear hopper road of described shell body is provided with a scraper.
5. plastic filtering device as claimed in claim 2, is characterized in that: a side of described shell body is provided with one, and described door is located in described clear hopper road, in the clear hopper road of described door, is provided with a scraper, and the width of described door is greater than the width of dummy slider described in each.
6. 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, turned by external force, its long slot bore and described clear material are led the way and be communicated with and be enable possition, or make its long slot bore not lead the way and be communicated with and be closed position with described clear material.
7. plastic filtering device as claimed in claim 6, is characterized in that: described control valve is turned 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 hubbed on described housing with a rotating shaft; One motor, is located on described driving member, drives described drive rod to be shifted up and down.
8. plastic filtering device as claimed in claim 2, is characterized in that: the dummy slider of described filtration members is embedded along the secant direction in the cross section of described tubular filtration members.
9. plastic filtering device as claimed in claim 2, 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 true CN103921428A (en) | 2014-07-16 |
| CN103921428B 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) |
Cited By (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 |
| CN105563793A (en) * | 2016-02-27 | 2016-05-11 | 浙江乐能科技有限公司 | Rotary no-fluctuation screen changer |
| 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 |
| EP3406417A4 (en) * | 2016-01-20 | 2019-09-11 | Zhe Jiang Houpu Technology Co., Ltd. | Continuous screen changer, screen changing device and extruder |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5948746B2 (en) * | 1981-04-17 | 1984-11-28 | 星工業株式会社 | Screen exchange device |
| DE3716707A1 (en) * | 1987-05-19 | 1988-12-01 | Harald Pohl | Continuously operating melt-filter system for coextrusion systems |
| ATE186226T1 (en) * | 1994-03-15 | 1999-11-15 | Wil Man Polymer Filtration Gmb | CONTROL AND FILTRATION DEVICE FOR AT LEAST TWO FLUID PARTIAL FLOWS |
| 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 |
-
2013
- 2013-01-11 CN CN201310010232.0A patent/CN103921428B/en not_active Expired - Fee Related
Cited By (5)
| 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 |
| EP3406417A4 (en) * | 2016-01-20 | 2019-09-11 | Zhe Jiang Houpu Technology Co., Ltd. | Continuous screen changer, screen changing device and extruder |
| CN105563793A (en) * | 2016-02-27 | 2016-05-11 | 浙江乐能科技有限公司 | Rotary no-fluctuation screen changer |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103921428B (en) | 2016-02-24 |
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Granted publication date: 20160224 Termination date: 20180111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |