CN107303719A - A kind of PET flat filament drawing machine multiple filtration net automatic screen changer - Google Patents
A kind of PET flat filament drawing machine multiple filtration net automatic screen changer Download PDFInfo
- Publication number
- CN107303719A CN107303719A CN201710125193.7A CN201710125193A CN107303719A CN 107303719 A CN107303719 A CN 107303719A CN 201710125193 A CN201710125193 A CN 201710125193A CN 107303719 A CN107303719 A CN 107303719A
- Authority
- CN
- China
- Prior art keywords
- pet
- screen pack
- draping
- drawing machine
- filtration net
- 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.)
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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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
-
- 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
-
- 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
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
- B29K2067/003—PET, i.e. poylethylene terephthalate
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses the multiple filtration net automatic screen changer on a kind of PET flat filament drawing machine, in order to solve in production process because impurities accumulation causes melt extrusion to block, melt percent of pass is reduced, need frequently to clear up screen pack or change screen pack, the problem of so as to influence normal production, include the screen pack of two layers and more than two layers arranged superposed, it is characterized in that every layer of screen pack mesh number is 160~200 mesh, main electrothermal tube is provided with the center-aisle position of PET melt extrusions, cooling system is arranged by slider on the outside of main electrothermal tube；In PET melts extrusion passage, draping heating system is provided with positioned at the periphery of cooling system；When the center-aisle position of PET melt extrusions is increased so as to produce pressure to screen pack because of debris, draping heating system carries out outer peripheral areas heating automatically, PET melts is changed direction of travel.Increase the crushing strength of screen pack, it is to avoid block.
Description
Technical field
The present invention relates to device of plastic processing technology, the multiple filtration on particularly a kind of PET flat filament drawing machine
Net automatic screen changer.
Background technology
PET is because being widely used in varieties of food items, medicine, nontoxic sterile packaging material, and electronic applications, machinery neck
The base material of domain, cinefilm, computer format floppy etc., and substantial amounts of rubbish is produced, these garbage reclamations are one using changing waste into valuables
Item is compared with large-engineering.These waste materials are made in production process of the flat filament as the product raw material such as woven bag, and adulterate a little impurity unavoidably,
So be accomplished by filtering out these impurity and thickener by the mesh sheet in net-changing device, extrusion type net-changing device be include one or
The manually or automatically switching device of multiple filter screens, for foreign particle and contaminant filter are fallen when plastifying material flows through filter screen
Device.Existing filter mainly has following several：As patent publication No. is drawn for a kind of plastics that CN101187069A is designed
Silk machine filter, including barrel-type casing, one end of housing, which is provided with filter core fixed plate, filter core fixed plate, detachably installs
Have and end cap be installed on the outside of some filter cores, filter core fixed plate, end cap is provided with discharging opening, the other end of housing is provided with adapter sleeve,
Adapter sleeve is provided with charging aperture, and filter core is cylindrical, and it includes the inner support tube that tube wall is provided with some through holes, is wrapped in interior branch
Multiple filtration net outside stay tube；One end that inner support tube is located at charging aperture is blind end, and the other end of inner support tube is arranged on filter
In core fixed plate, the outlet of inner support tube is connected with discharging opening, using added in housing multiple filter cores and on filter core wrap up
There is the mode of multiple filtration net, instead of original filter screen.And for example patent publication No. is CN103572384A, a kind of disclosed modeling
Expect the filter of wire drawing machine, including spout, Rose Box, discharging opening, spout is fixedly connected with Rose Box, and Rose Box is with going out
Material mouth is fixedly connected, and the first motor is provided between spout and Rose Box, and the first power of motor is 1000w-2000w, Rose Box
Filter and screen pack are provided with, the first motor is pressed close in filter surface, Rose Box also provided with stirring flabellum, stirring flabellum
Provided with the second motor, the second power of motor is 300w-600w, and the second motor is connected with screen pack.
It is that plastics are made through plastic flat filament drawing machine group in raw material that these devices, which are mainly used in polypropylene PP or polythene PE,
Flat filament, its product quality is difficult to reach high requirement, especially to PET waste or used plastics, because impurities accumulation causes in production process
Melt extrusion is blocked, and reduces melt percent of pass, it is necessary to frequently clear up screen pack or change screen pack, so as to influence normal life
Production.
The content of the invention
The invention aims to solve the above problems there is provided a kind of reasonable in design, PET waste and scraps can be completed
Crushed material directly produce plastic flat fiber and can with power-assisted PET melts normal through screen pack wire drawing machine multiple filtration net from
Dynamic net exchanging device.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：A kind of PET flat filament
Wire drawing machine multiple filtration net automatic screen changer, includes the screen pack of two layers and more than two layers arranged superposed, it is characterized in that every layer
Screen pack mesh number is 160~200 mesh, main electrothermal tube is provided with the center-aisle position of PET melt extrusions, outside main electrothermal tube
Cooling system is arranged in side by slider；In PET melts extrusion passage, system is heated provided with draping positioned at the periphery of cooling system
System；When the center-aisle position of PET melt extrusions is increased so as to produce pressure to screen pack because of debris, draping heating system
It is automatic to carry out outer peripheral areas heating, PET melts is changed direction of travel.
Useless mineral water bottles of PET etc., are reclaimed crushed material and are directly used in modeling by the characteristics of the technical program utilizes PET material
Expect the production of flat filament, wherein impurity is rationally and effectively removed in fusing extrusion, and be unlikely to melt and lacked
Measure debris and stop that lower concentrate is blocked.The present apparatus is overlapped using two layers or more than two layers of screen pack, increases filtering mouth
Crushing strength, screen pack after superposition can mutually be staggered due to its hole mesh, hole hole is communicated and there are a variety of chis such as not between single net
Very little gap, make melt by when impurity be fully blocked, and when impurity thickener reaches a certain amount of, melt will influenceed just
Usually through, now, accumulation of melt, the increase of pressure that Multilayer Network is subject to, but actual percent of pass do not increase or normally；This programme exists
The periphery of main electrothermal tube sets draping heating system, according to PET melt fluidity feature, and this assist type heating makes accumulation
The screen pack position of auxiliary heating is shifted in the melt of main extrusion, so that accumulation part PET melts walk sky to the periphery
Remaining screen pack, virtually increase by area, it is to avoid blocks.
The draping heating system of the present apparatus can carry out outer peripheral areas heating automatically, and heating region can be that part can also be
Block；With coupling for draping heating system it can realize that screen pack secondary flow regions are automatic temperature-controlled by cooling system, to reach
Optimal opening time and the effect of maximum percent of pass.
Preferably, described screen pack enters casting head after being arranged on extrusion device end, screen pack.
Preferably, including filter screen stand, filter screen stand is provided with two layers and more than two layers screen pack, PET melts
Center-aisle is provided with the main electrothermal tube of some rows, parallel with main electrothermal tube to be provided with some row's cooling water pipes.
Preferably, described draping heating system includes a row or some row's draping electrothermal tubes.
Preferably, described slider is a row or multi-row clearance hole.Main electrothermal tube and cooling system are separated.
Mode is collected preferably, described screen pack is roll type, each screen pack is individual layer or rebuilding.Account for
It is few with space, change mesh sheet convenient.Realize two layers, three layers or the overlapping selection of four-layer network.
Preferably, center-aisle and the peripheral channel position at draping heating system position of described PET melt extrusions
In in same plane.Ensure normal changed course of the PET melts under flowing temperature, it is to avoid accumulation.
Preferably, a described row or some row's draping electrothermal tubes are linear pattern or camber or circle.It can meet many
Plant heating zone distribution, arrangement, the setting of structure type extrusion.
Preferably, described screen pack position is provided with pressure monitoring device, pressure monitoring device and draping heating system
Electric control gear is connected.Pressure of the draping heating system according to suffered by screen pack carries out heating work automatically, and its heating-up temperature ensures
PET melt proper flows.
The beneficial effects of the invention are as follows：The screen pack cleaning draping time is substantially prolongs, is once extended from the cleaning of draping in 2 days
To the cleaning of a draping in month once；Increase the crushing strength for filtering filter screen of making a slip of the tongue；Make melt by when impurity hindered completely
Gear, has dredged the flowing of accumulation part PET melts, it is to avoid block, it is ensured that production is normally carried out；Meet former using PET
Material particularly can directly produce the requirement of plastic flat fiber using useless mineral water bottle crushed material.
Brief description of the drawings
Fig. 1 is that a kind of of the present invention uses production line part-structure schematic diagram.
Fig. 2 is a kind of structural representation of the present invention.
Fig. 3 is a kind of screen pack overlooking the structure diagram of the present invention.
In figure：1. crystallizing tower unit, 2. drying tower units, 3. plastic extrusion apparatus, the automatic draping dress of 4. screen packs
Put, 41. screen packs, 42. filter screen stands, 43. main electrothermal tubes, 44. cooling water pipes, 45. draping electrothermal tubes, 46. nets
Cover, 47. clearance holes, 5. measuring pumps, 6. casting heads, 7. HV generators, 8. film cooling and shaping rollers, 9. is thin
Film draw-gear, 10. cutting wire mechanisms, 11. strand haulage gears.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
As shown in figure 1, a kind of PET flat filament drawing machine multiple filtration net automatic screen changer of the present embodiment, is arranged on
On plastic flat fiber production line, including crystallizing tower unit 1, drying tower unit 2, former is since plastic extrusion apparatus 3, former material
Expect to enter from the feed hopper of plastic extrusion apparatus 3, extruded machine screw rod is to screen pack automatic screen changer 4, then passes through measuring pump 5
Into casting head 6, the position of casting head 6 is provided with HV generator 7, and PET melts enter film through HV generator 7
Cooling and shaping roller 8, cutting wire mechanism 10 is introduced by packaging film feeding device 9, afterwards into strand haulage gear 11.
Screen pack automatic screen changer 4 includes the screen pack 41 that two superimposed is arranged, every layer of screen pack mesh number is 160
Mesh, two layers of screen pack 41 is collected in two drum type brake being placed in parallel guards 46 respectively, and guard 46 is fixed on filter screen stand
On 42, screen pack 41 is coordinated by rack and extruder extrusion.
The main electrothermal tube 43 that two rows are arranged in parallel is set at the center-aisle position of PET melt extrusions, such as Fig. 2, Fig. 3 institute
Show, slider, i.e., two row's clearance holes 47 being arranged in parallel with main electrothermal tube 43, the cloth of clearance hole 47 are set in the main outside of electrothermal tube 43
Cooling system is put, cooling system includes two row's cooling water pipes 44 being arranged in parallel with main electrothermal tube 43；Passage is extruded in PET melts
In, positioned at cooling system（That is cooling water pipe 44）Periphery be provided with draping heating system, specifically away from the one end of guard 46
Screen pack on arrange row's draping electrothermal tube 45.The center-aisles of PET melt extrusions and draping heating system position it is outer
Enclose in passage is generally aligned in the same plane, i.e., the working region of screen pack 41 is in same plane arrangement.
Further, determine that draping electrothermal tube 45 is single or multiple rows of according to the extrusion structure type of plastic extrusion apparatus 3
Arrangement；It can be the various structures mode such as linear pattern pipe or camber pipe or round tube to arrange draping electrothermal tube 45 simultaneously；Screen pack 41
Mode is collected for roll type, and determines each screen pack for individual layer also according to situations such as PET melts load, material water
It is using bilayer.
The position of screen pack 41 is provided with pressure monitoring device, and the pressure monitoring device and the electric control part of draping heating system join
Connect, realize automatic heating, stop, during work, when the center-aisle position of PET melt extrusions is increased so as to filtering because of debris
When net 41 produces pressure, when the pressure reaches setting value, the setting value, which has caused center-aisle PET melts to produce accumulation, to be caused out
Existing clogging, draping heating system carries out outer peripheral areas heating automatically, PET melts is changed direction of travel, passed through
Filter screen, when the pressure recovery is normal, draping heating system is stopped, by original main working region operation of electrothermal tube 43.
Above-described embodiment is the description of the invention, is not limitation of the invention, any simple transformation to the present invention
Structure, technique, method afterwards belongs to protection scope of the present invention.
Claims (9)
1. a kind of PET flat filament drawing machine multiple filtration net automatic screen changer, including two layers and more than two layers arranged superposed
Screen pack（41）, it is characterized in that every layer of screen pack mesh number is 160~200 mesh, at the center-aisle position of PET melt extrusions
Provided with main electrothermal tube（43）, cooling system is arranged by slider on the outside of main electrothermal tube；In PET melts extrusion passage, position
Draping heating system is provided with the periphery of cooling system；When PET melt extrusions center-aisle position because debris increase so as to
When producing pressure to screen pack, draping heating system carries out outer peripheral areas heating automatically, PET melts is changed direction of travel.
2. a kind of PET flat filament drawing machine multiple filtration net automatic screen changer according to claim 1, its feature exists
In described screen pack（41）It is arranged on after extrusion device end, screen pack and enters casting head（6）.
3. a kind of PET flat filament drawing machine multiple filtration net automatic screen changer according to claim 1 or 2, it is special
Levy is to include filter screen stand（42）, filter screen stand is provided with two layers and more than two layers screen pack（41）, PET melts centre leads to
Road is provided with the main electrothermal tube of some rows（43）, it is parallel with main electrothermal tube to be provided with some row's cooling water pipes（44）.
4. a kind of PET flat filament drawing machine multiple filtration net automatic screen changer according to claim 1 or 2, it is special
Levy is that draping heating system includes a row or some row's draping electrothermal tubes（45）.
5. a kind of PET flat filament drawing machine multiple filtration net automatic screen changer according to claim 1 or 2, it is special
Levy is that described slider is a row or multi-row clearance hole（47）.
6. a kind of PET flat filament drawing machine multiple filtration net automatic screen changer according to claim 1, its feature exists
In described screen pack（41）Mode is collected for roll type, each screen pack is individual layer or rebuilding.
7. a kind of PET flat filament drawing machine multiple filtration net automatic screen changer according to claim 1 or 2 or 6, its
The center-aisle of PET melt extrusions and the peripheral channel at draping heating system position described in being characterized in are generally aligned in the same plane
It is interior.
8. a kind of PET flat filament drawing machine multiple filtration net automatic screen changer according to claim 4, it is characterized in that
A described row or some row's draping electrothermal tubes（45）For linear pattern or camber or circle.
9. a kind of PET flat filament drawing machine multiple filtration net automatic screen changer according to claim 1 or 2, it is special
It is described screen pack to levy（41）Position is provided with pressure monitoring device, and pressure monitoring device connects with draping heating system electric control gear
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710125193.7A CN107303719A (en) | 2017-03-03 | 2017-03-03 | A kind of PET flat filament drawing machine multiple filtration net automatic screen changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710125193.7A CN107303719A (en) | 2017-03-03 | 2017-03-03 | A kind of PET flat filament drawing machine multiple filtration net automatic screen changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107303719A true CN107303719A (en) | 2017-10-31 |
Family
ID=60150828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710125193.7A Pending CN107303719A (en) | 2017-03-03 | 2017-03-03 | A kind of PET flat filament drawing machine multiple filtration net automatic screen changer |
Country Status (1)
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| CN (1) | CN107303719A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114199346A (en) * | 2021-10-29 | 2022-03-18 | 日海恒联通信技术有限公司 | Ultrasonic level meter based on wireless communication technology |
| CN114654701A (en) * | 2022-04-01 | 2022-06-24 | 贺瑞峰 | Alternate drip irrigation tape extrusion and filtration system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2703636Y (en) * | 2004-07-02 | 2005-06-08 | 董国治 | Automatic belt type net-changing device for extruder |
| CN202293290U (en) * | 2011-11-07 | 2012-07-04 | 杭州新子光电材料有限公司 | Novel extrusion filter |
| CN203510685U (en) * | 2013-08-05 | 2014-04-02 | 郑州市安吉化工塑料机械厂 | Elastic driven screen changer |
| CN203600593U (en) * | 2013-11-26 | 2014-05-21 | 黄美昌 | Closed-loop filter screen circulating filter |
| CN204505781U (en) * | 2015-03-04 | 2015-07-29 | 郑州格雷特机械有限公司 | Hydraulic pilot net belt net-changing device |
-
2017
- 2017-03-03 CN CN201710125193.7A patent/CN107303719A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2703636Y (en) * | 2004-07-02 | 2005-06-08 | 董国治 | Automatic belt type net-changing device for extruder |
| CN202293290U (en) * | 2011-11-07 | 2012-07-04 | 杭州新子光电材料有限公司 | Novel extrusion filter |
| CN203510685U (en) * | 2013-08-05 | 2014-04-02 | 郑州市安吉化工塑料机械厂 | Elastic driven screen changer |
| CN203600593U (en) * | 2013-11-26 | 2014-05-21 | 黄美昌 | Closed-loop filter screen circulating filter |
| CN204505781U (en) * | 2015-03-04 | 2015-07-29 | 郑州格雷特机械有限公司 | Hydraulic pilot net belt net-changing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114199346A (en) * | 2021-10-29 | 2022-03-18 | 日海恒联通信技术有限公司 | Ultrasonic level meter based on wireless communication technology |
| CN114654701A (en) * | 2022-04-01 | 2022-06-24 | 贺瑞峰 | Alternate drip irrigation tape extrusion and filtration system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171031 |
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| RJ01 | Rejection of invention patent application after publication |