CN101602249A - The revolving filter that is used for purifying fusant of plastic extrusion system - Google Patents
The revolving filter that is used for purifying fusant of plastic extrusion system Download PDFInfo
- Publication number
- CN101602249A CN101602249A CNA2009101004738A CN200910100473A CN101602249A CN 101602249 A CN101602249 A CN 101602249A CN A2009101004738 A CNA2009101004738 A CN A2009101004738A CN 200910100473 A CN200910100473 A CN 200910100473A CN 101602249 A CN101602249 A CN 101602249A
- Authority
- CN
- China
- Prior art keywords
- filter
- draping
- filter screen
- screen disk
- end body
- 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
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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
- B29C48/36—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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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/58—Component parts, details or accessories; Auxiliary operations
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses the revolving filter that is used for purifying fusant of plastic extrusion system, have feed end body and discharge end body, filter screen disk is arranged between feed end body and the discharge end body by connecting tightening member, the interoperation of filter screen disk by the pawl type transmission device produces and rotatablely moves, filter screen disk is provided with a plurality of filter mesh and forms a plurality of filtration channels, filter screen disk is fed the terminal body and the discharge end body closely covers, on the feed end body, have the draping chamber, the draping outdoor is provided with the door body that can open or lock the draping chamber, open or lock the draping chamber by the door body, can when producing, high pressure can guarantee also that pressure is close under the constant situation, finishes the replacing of new and old net sheet on the filter mesh easily and safely.
Description
Technical field
The present invention relates to a kind of plastics that apply to and extrude cleaning molten filter in the production, specifically be meant the revolving filter that is used for purifying fusant of plastic extrusion system.
Background technology
Extrude in the field in the production of plastic plate, sheet, film, filter is the corollary equipment that is coupled between extruder and the die head, and the filter mesh by filter interior is filtered the feed end melting media and promotes plasticizing once more, to satisfy the requirement of article of manufacture.
At present, mostly to be the batch (-type) draping structure be main to the filtration device structure that is adopted in the industry, its basic principle is in normal operation, the feed end melting media is filtered by the filter mesh of inside, when the needs draping, by the configuration control system to its draping, during this draping, the mobile meeting of melting media is intercepted, in the batch process that stops walking, produced bigger fluctuation like this, this is a kind of phenomenon that is unfavorable for extruding production, improve the percent defective of product to a great extent, caused production cost waste to a certain extent.
In addition, the disclosed rotary filter of applicant's ZL200510106266.5, the filter plate area that its melt passes through increases to some extent, but its operating efficiency is still very poor, owing to there is not the relevant design of draping chamber and door, make large-area filter screen disk expose in air, filter screen disk will guarantee certain temperature, just needs to increase very big energy consumption.When new filter screen mesh enters duty, melt can be subjected to the pollution of residual air in the filter screen disk melt canal, influence is normal produces, and large-area contaminated filter mesh and new filter mesh moment replacement will be arranged, can make the pressure of melt produce bigger variation like this, and influence ordinary production.
Summary of the invention
The object of the present invention is to provide the revolving filter that is used for purifying fusant of plastic extrusion system, can realize that melting media is not influenced by extraneous factor substantially in the draping process, change filter element even when high pressure is produced, also can guarantee under the intimate constant situation of pressure, improved the voltage endurance capability of filter greatly, do not have any leakage phenomenon, the effective area of filtration is farthest improved.
Above-mentioned purpose is achieved through the following technical solutions:
The revolving filter that is used for purifying fusant of plastic extrusion system, have feed end body and discharge end body, filter screen disk is arranged between feed end body and the discharge end body by connecting tightening member, the interoperation of filter screen disk by the pawl type transmission device produces and rotatablely moves, filter screen disk is provided with a plurality of filter mesh and forms a plurality of filtration channels, filter mesh is provided with filter net sheet, a plurality of filtration channels that the melt canal of melting media on the feed end body expands on the filter screen disk filter, it is characterized in that: filter screen disk is fed the terminal body and the discharge end body closely covers, have the draping chamber on the feed end body, the draping outdoor is provided with the door body that can open or lock the draping chamber.
To be evenly distributed in 10 or 10 above filter mesh, isolate by wallboard between each filter mesh on the described filter screen disk, during duty, the effective practical filtration channel of filtration is more than 3, below 5.
Described draping chamber is arranged on the left side of feed end body feedstock direction, and the area of draping chamber is for greater than the area of 2 filter mesh and two wallboards area less than 3 filter mesh and two wallboards.
Effective usable floor area of filtration channel accounts for 55%～65% of whole filtration zones on the described filter screen disk, and the formed invalid filter area of the wallboard between the filtration channel accounts for 35～45% of whole filtration zones.
Described door body is provided with locking device, door body root part of handle have two groups of dish-like pads, make that the sealing of Men Tiyu draping chamber is further guaranteed.
Described locking device includes the clamping screw swung that is arranged on the body, and the piece that is locked is arranged on the feed end body, closes the Men Tihou clamping screw and is limited on the piece that is locked and realizes fit sealing.
Described filter screen disk is circular, and its excircle has a plurality of ratchets, corresponding several ratchets of each filtration channel.
Described pawl type transmission device includes draping drag hook, draping torque arm and pneumatic actuator, the draping drag hook matches with a plurality of ratchets on the filter screen disk excircle, and the action of pneumatic actuator is converted into the circular motion of filter screen disk by draping torque arm, draping drag hook.
Described filter screen disk excircle is provided with 40 ratchets, and 10 filtration channels are arranged on the filter screen disk, corresponding 4 ratchets of each filtration channel, and filtration channel of every renewal, transmission device need move back and forth 4 times.
A plurality of filtration channels that the melt canal of described melting media on the feed end body expands on the filter screen disk filter, and form a fan-shaped melt canal.
The prior art that compares, advantage of the present invention is as follows:
1, offer draping chamber and door body at feed end body place, open or lock the draping chamber, can guarantee also when high pressure is produced that pressure is close under the constant situation, finish the replacing of new and old net sheet on the filter mesh easily and safely by the door body.
2, charging and discharging terminal body closely covers filter screen disk, plays good heat insulation effect, reduces energy consumption.
3, filter screen disk produces by the interoperation with the click formula of draping drag hook and rotatablely moves, realize the advanceable replacing of new and old filtration channel, make old filtration channel release body flow path area territory gradually, and new filtration channel replenishes into gradually, to satisfy the uninterrupted purpose that purifies of melt.
4, a plurality of filtration channels of expanding on the filter screen disk of the melt canal of melting media on the feed end body filter, and form a fan-shaped melt canal, have increased effective filtration area greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a draping of the present invention chamber closing structure schematic diagram;
Fig. 3 is a draping chamber opening structural representation of the present invention.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, 2, 3, the revolving filter that is used for purifying fusant of plastic extrusion system, have feed end body 1 and discharge end body 2, filter screen disk 7 is by connecting tightening member 3,3 ' be arranged between feed end body 1 and the discharge end body 2, filter screen disk 7 is fed terminal body 1 and discharge end body 2 closely covers, have draping chamber 9 on feed end body 1, draping chamber 9 outer setting have the door body 8 that can open or lock the draping chamber.Draping chamber 9 is arranged on the left side of feed end body 1 feedstock direction, and the area of draping chamber 9 is for greater than the area of 2 filter mesh 13 and two wallboards 132 area less than 3 filter mesh 13 and two wallboards 132.Door body 8 is provided with locking device 16, locking device 16 includes the clamping screw swung 15 that is arranged on the body 8, the piece 18 that is locked is arranged on the feed end body 1, closes a body 8 back clamping screws 15 and is limited on the piece 18 that is locked and realizes fit sealing.Door body handle 81 roots have two groups of dish-like pads 17, make that the door body 8 and the sealing of draping chamber 9 are further guaranteed.Open or lock draping chamber 9 by door body 8, can guarantee also when high pressure is produced that pressure is close under the constant situation, finishes the replacing of new and old net sheet on the filter mesh easily and safely.
As shown in Figure 1, in the present embodiment, filter screen disk 7 excircles are provided with 40 ratchets 71, filter screen disk 7 is to be evenly distributed in 10 filter mesh 13, and form 10 filtration channels, and each filtration channel 14 corresponding 4 ratchet 71, the interoperation of filter screen disk 7 by click formula transmission device 12 produces and rotatablely moves, filtration channel of every renewal, transmission device need move back and forth 4 times.Filter mesh 13 is provided with filter net sheet 131, isolates by wallboard 132 between each filter mesh 13, and during duty, the effective practical filtration channel of filtration is more than 3, below 5.A plurality of filtration channels that melting media expands on the filter screen disk 7 through the melt canal on the feed end body 14 filter, and form a fan-shaped melt canal 11.Under normal user mode, effective usable floor area of filtration channel accounts for 55%～65% of whole filtration zones on the filter screen disk 7, and the wallboard 132 formed invalid filter areas between the filtration channel account for 35～45% of whole filtration zones.
As shown in Figure 1, the interoperation of filter screen disk 7 by click formula transmission device 12 produces and rotatablely moves, wherein pawl type transmission device 12 includes draping drag hook 14, draping torque arm 19 and cylinder 20, draping drag hook 14 matches with a plurality of ratchets 71 on filter screen disk 7 excircles, the action of cylinder 20 is converted into the circular motion of filter screen disk 7 by draping torque arm 19, draping drag hook 14, by circular filter screen disk 7 is done reciprocal pulling, thereby finished filter screen disk 7 around self central shaft being rotated counterclockwise on feedstock direction.Position of the every replacement of filtration channel on circular filter screen disk, cylinder need move back and forth 3～5 times, promptly on the operate as normal position, on the filter screen disk 7 near the new filtration channel of filtration zone, in the draping process, will under the reciprocating motion of cylinder 3～5 times, enter normal operating conditions fully.
Claims (10)
1, the revolving filter that is used for purifying fusant of plastic extrusion system, have feed end body and discharge end body, filter screen disk is arranged between feed end body and the discharge end body by connecting tightening member, the interoperation of filter screen disk by the pawl type transmission device produces and rotatablely moves, filter screen disk is provided with a plurality of filter mesh and forms a plurality of filtration channels, filter mesh is provided with filter net sheet, a plurality of filtration channels that the melt canal of melting media on the feed end body expands on the filter screen disk filter, it is characterized in that: filter screen disk is fed the terminal body and the discharge end body closely covers, have the draping chamber on the feed end body, the draping outdoor is provided with the door body that can open or lock the draping chamber.
2, filter as claimed in claim 1, it is characterized in that: to be evenly distributed in 10 or 10 above filter mesh, isolate by wallboard between each filter mesh, during duty on the described filter screen disk, the effective practical filtration channel that filters is more than 3, below 5.
3, filter as claimed in claim 1 or 2, it is characterized in that: described draping chamber is arranged on the left side of feed end body feedstock direction, and the area of draping chamber is for greater than the area of 2 filter mesh and two wallboards area less than 3 filter mesh and two wallboards.
4, filter as claimed in claim 3, it is characterized in that: effective usable floor area of filtration channel accounts for 55%～65% of whole filtration zones on the described filter screen disk, and the formed invalid filter area of the wallboard between the filtration channel accounts for 35～45% of whole filtration zones.
5, filter as claimed in claim 1 is characterized in that: described door body is provided with locking device, door body root part of handle have two groups of dish-like pads.
6, filter as claimed in claim 5, it is characterized in that: described locking device includes the clamping screw swung that is arranged on the body, the piece that is locked is arranged on the feed end body, closes the Men Tihou clamping screw and is limited on the piece that is locked and realizes fit sealing.
7, filter as claimed in claim 2 is characterized in that: described filter screen disk is for circular, and its excircle has a plurality of ratchets, corresponding several ratchets of each filtration channel.
8, filter as claimed in claim 1, it is characterized in that: described pawl type transmission device includes draping drag hook, draping torque arm and pneumatic actuator, the draping drag hook matches with a plurality of ratchets on the filter screen disk excircle, and the action of pneumatic actuator is converted into the circular motion of filter screen disk by draping torque arm, draping drag hook.
9, filter as claimed in claim 7, it is characterized in that: described filter screen disk excircle is provided with 40 ratchets, and 10 filtration channels are arranged on the filter screen disk, corresponding 4 ratchets of each filtration channel, filtration channel of every renewal, transmission device need move back and forth 4 times.
10, filter as claimed in claim 1 is characterized in that: a plurality of filtration channels that the melt canal of described melting media on the feed end body expands on the filter screen disk filter, and form a fan-shaped melt canal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101004738A CN101602249A (en) | 2009-07-01 | 2009-07-01 | The revolving filter that is used for purifying fusant of plastic extrusion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101004738A CN101602249A (en) | 2009-07-01 | 2009-07-01 | The revolving filter that is used for purifying fusant of plastic extrusion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101602249A true CN101602249A (en) | 2009-12-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009101004738A Pending CN101602249A (en) | 2009-07-01 | 2009-07-01 | The revolving filter that is used for purifying fusant of plastic extrusion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101602249A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144276A (en) * | 2013-02-27 | 2013-06-12 | 张孝权 | Filter device of automatic-deslagging plastic film extruder |
| CN107081892A (en) * | 2017-05-26 | 2017-08-22 | 浙江精诚模具机械有限公司 | The rotary plastics fondant filter of inner core |
| DE102016113979B3 (en) * | 2016-07-28 | 2017-11-23 | Gneuss Gmbh | Filtration device for a plastic melt or other highly viscous fluid |
| CN110722767A (en) * | 2019-10-16 | 2020-01-24 | 林翠荣 | Novel filtering device of plastic extruder |
| WO2023193841A1 (en) * | 2022-04-07 | 2023-10-12 | Gneuss Gmbh | Filter device for the high-pressure filtration of a plastic melt |
| WO2023193842A1 (en) * | 2022-04-07 | 2023-10-12 | Gneuss Gmbh | Screen wheel filter device for the high-pressure filtration of a plastic melt |
-
2009
- 2009-07-01 CN CNA2009101004738A patent/CN101602249A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144276A (en) * | 2013-02-27 | 2013-06-12 | 张孝权 | Filter device of automatic-deslagging plastic film extruder |
| DE102016113979B3 (en) * | 2016-07-28 | 2017-11-23 | Gneuss Gmbh | Filtration device for a plastic melt or other highly viscous fluid |
| WO2018019336A1 (en) | 2016-07-28 | 2018-02-01 | Gneuss Gmbh | Filter device for a plastic melt or another highly viscous fluid |
| CN107081892A (en) * | 2017-05-26 | 2017-08-22 | 浙江精诚模具机械有限公司 | The rotary plastics fondant filter of inner core |
| CN107081892B (en) * | 2017-05-26 | 2022-12-20 | 浙江精诚模具机械有限公司 | Inner core rotary plastic melt filter |
| CN110722767A (en) * | 2019-10-16 | 2020-01-24 | 林翠荣 | Novel filtering device of plastic extruder |
| CN110722767B (en) * | 2019-10-16 | 2021-08-31 | 济南洛克畜牧科技有限公司 | Filtering device of plastic extruder |
| WO2023193841A1 (en) * | 2022-04-07 | 2023-10-12 | Gneuss Gmbh | Filter device for the high-pressure filtration of a plastic melt |
| WO2023193842A1 (en) * | 2022-04-07 | 2023-10-12 | Gneuss Gmbh | Screen wheel filter device for the high-pressure filtration of a plastic melt |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091216 |