CN104044257A - Automatic filtering single-screw two-level extruder free of net changing - Google Patents
Automatic filtering single-screw two-level extruder free of net changing Download PDFInfo
- Publication number
- CN104044257A CN104044257A CN201410196449.XA CN201410196449A CN104044257A CN 104044257 A CN104044257 A CN 104044257A CN 201410196449 A CN201410196449 A CN 201410196449A CN 104044257 A CN104044257 A CN 104044257A
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- China
- Prior art keywords
- screw rod
- screw
- filter
- rank
- extruder
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- 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
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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
- B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
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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
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides an automatic filtering single-screw two-level extruder free of net changing, and the automatic filtering single-screw two-level extruder comprises an upper-level single screw extruder, an extrusion screw, a filter screw, a filter cartridge, a filter casing, a rectangular discharging seat, a discharging cylinder, an oil cylinder, a heater, a lower-level single screw extruder, and the like. Two screws are combined into a whole by a method of arrangement of the conical filter screw on the front end of the screw of the upper-level single screw extruder, and share a same power source, the conical filter cartridge is externally arranged on the filter screw, the conical filter cartridge and the filter screw are same in conicity, and the circumference of the filter cartridge is provided with a large number of micropores. Through rational design of the filter type, the automatic filtering single-screw two-level extruder can effectively solve the problem of continuous, efficient and automatic filtering of impurities in plastic in the melt extrusion process of recycling of the plastic.
Description
Technical field
The present invention relates to a kind of plastics recovery extrusion equipment, especially can realize in the extrusion to containing more impurity plastics, without shutting down or change device parameter, without changing filter screen and carrying out the two rank of single screw rod extruder continuous, automatic fitration.
Background technology
In plastics recovery extrusion, because of recycled plastic kind numerous and diverse, impurities is more, how recycled plastic melt extrude process in by these impurity high efficiency filter and separate just aobvious particularly important from plastics, prior art is normally provided with net exchanging device on single Screw Extrusion, specifically have: be divided into hydraulic pressure by power source, electronic and artificial net exchanging device, be divided into list by station, two, four station net exchanging devices, but no matter be that a kind of net exchanging device, all movably on web plate, to be placed with removable filter screen, in the time that being stopped up by impurity, filter screen must take off by hand old filter screen by people, and then change new filter screen, in most of situation, also to reduce screw speed or directly stop bolt rotary work that changing again filter screen, change filter screen number of times according to impurities in material number and different, but as long as extruder work, this process must repeat, not only increase operative employee's burden and scalded risk, and to purchase filter screen be also a long-term expense, if while containing a large amount of impurity in plastics, it is more frequent that the number of times of draping will become, this not only reduces the output of extruder greatly, and then affect the normal stable operation of whole production line.
Summary of the invention
The invention provides one and exempt from the two rank of draping automatic fitration list screw rod extruder, solved recycled plastic melt extrude in process to the impurity in plastics carry out continuously, efficiently, the problem of automatic fitration.
the technical solution adopted for the present invention to solve the technical problems is
The present invention is made up of upper rank single screw extrusion machine, extrusion screw rod, filtration screw rod, cartridge filter, filtration housing, right angle discharge seat, discharge tube, oil cylinder, heater, lower rank single screw extrusion machine etc., for containing more polymictic feature in recycled plastic, how impurity is filtered out from plastics melt extruding in process, and can realize efficient, continuously, filtering is automatically the key point of dealing with problems, filter different with conventional employing net exchanging device, the present invention adopts two steps type single screw extrusion machine, the method of taper filtration screw rod is installed at the screw front end of upper stage machine, make two screw rods combination as a whole, and at filtration screw rod, the taper cartridge filter identical with its tapering is installed outward, cartridge filter is through special processing, a large amount of micropores on circumference, are opened, the material that contains like this impurity after melting is extruded screw rod transmission when filtering screw rod district, be taper owing to filtering screw rod, flute profile volume from large to small accordingly, material is in carrying, clean material can be extruded and by the micropore on cartridge filter, enter cartridge filter and filter in the space between housing and the feed opening of flowing through enters lower rank single screw extrusion machine and realizes steady extruding, and being filtered screw rod, impurity continues to be fed forward, enter with filter the horizontal cavity of the right angle discharge seat that housing is connected in store, when impurity stores into when a certain amount of, can cause the variation of material pressure in whole cavity, at this moment being used for instrument that detected pressures changes can feedback signal and move down by the discharge tube in hydraulic oil cylinder driving vertical cavity, the inner chamber of discharge tube is communicated with horizontal cavity discharging opening, being stored in like this material that the impurity in horizontal cavity will be fed forward by screw rod releases, discharge tube playbacks under the effect of oil cylinder afterwards, this process constantly repeats in the time melt extruding, extrude thereby can realize, filter, discharge process completes automatically, do not need manpower intervention, in ensureing continuous filtration, also make the whole production line can be normal, efficiently, stable operation.
the invention has the beneficial effects as follows
By the appropriate design to filter type, effectively solved recycled plastic melt extrude in process to the impurity in plastics carry out continuously, the problem of efficient, automatic fitration, beneficial effect of the present invention has:
1, realize continual automatic fitration, without manual operation, saved artificial and service working time, guaranteed operative employee's safety.
2, the cartridge filter of special material and processes, all adopts taper with filtering screw rod contact-making surface, and gap is adjustable between the two, can use for a long time, has saved the expense of changing filter screen.
3, filter screw rod and be directly installed on extrusion screw rod, share a power source, save energy consumption.
4, filter screw rod and adopt screw thread to be connected with extrusion screw rod, when work, be not only an entirety of definite functions separately, and consider that the wearing and tearing of filtering screw rod are greater than extrusion screw rod, replacing for convenience detach.
5, cartridge filter directly utilizes tapering to be fixed in filtration housing, convenient maintenance, cleaning in the future.
6, by the appropriate design to right angle discharge seat horizontal cavity volume, to also realizing continuous production containing more polymictic plastics.
7, adopt the configuration of upper and lower rank single screw extrusion machine and automatic filtering unit, upper rank are mainly used to plasticizing, convey materials filters to filter, and lower rank are mainly used to steady extruding, realize continuous, the stable operation of whole production line.
8, the perfect adaptation of automatic filtering unit and two rank single screw extrusion machine, not only definite functions, rational in infrastructure, and also good looking appearance is generous.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention will be further described.
Be illustrated as and exempt from the two rank of draping automatic fitration list screw rod extruder.
Part explanation: 1, upper rank single screw extrusion machine, 2, extrusion screw rod, 3, cylindrical shell, 4, pressure sensor, 5, screw A, 6, filter screw rod, 7, feed opening, 8, cartridge filter, 9, filter housing, 10, screw B, 11, right angle discharge seat, 12, discharge tube, 13, oil cylinder, 14, piston rod, 15, Connection Block, 16, heater, 17, water conservancy diversion box, 18, lower rank single screw extrusion machine.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
The present invention as shown in the figure, extrusion screw rod (2) and cylindrical shell (3) are the parts of upper rank single screw extrusion machines (1), pressure sensor (4) is wherein installed on cylindrical shell (2), the plastics that contain impurity are extruded screw rod (2) after by upper rank single screw extrusion machines (1) melting to be continued to be fed forward, while entering to adopt at that time screw thread to be arranged on filtration screw rod (6) region of extrusion screw rod (2) front end, due to screw channel volume from large to small, material is extruded in carrying, the same like this, clean material will be extruded and filter the cartridge filter (8) of opening a large amount of micropores in screw rod (6) outer circumference, and adopt screw A(5) be arranged between filtration housing (9) on cylindrical shell (3) and cartridge filter (8) and be designed with space, clean material confluxes in space and the feed opening of flowing through (7) enters lower rank single screw extrusion machine and realizes steady extruding.Impurity can continue to be filtered screw rod (6) and be fed forward, enter and adopt screw B(10) be arranged in right angle discharge seat (11) horizontal cavity of filtering on housing (9) and store, discharge tube (12) is installed in the vertical cavity of right angle discharge seat (11), by Connection Block (15), oil cylinder (13) is installed above, and the piston rod of oil cylinder (13) (14) is connected with discharge tube (12), in the time that the impurity in the horizontal cavity of right angle discharge seat (11) is excessive, can cause the increase of whole logistics cavity internal pressure, at this moment pressure sensor (4) can feedback signal also move down discharge tube (12) by the piston rod (14) that drives oil cylinder (13), in the time that the outlet of the inner chamber entrance of discharge tube (12) and the horizontal cavity of right angle discharge seat (11) is communicated with, impurity will enter water conservancy diversion box (17) downwards through the inner chamber outlet of discharge tube (12), because this process can complete within very short time, therefore in the time that the pressure in logistics cavity diminishes to setting value, discharge tube (12) playbacks under the effect of oil cylinder (13), the horizontal cavity of right angle discharge seat (11) is closed again, start to store impurity, until pressure is discharged impurity while increasing again, so constantly repeat.In order to ensure that the material after melting there will not be and solidifies in filtration with in discharging impurity process, is therefore all provided with the heater (16) of different size at the outer surface that filters housing (9) and right angle discharge seat (11).
Claims (6)
1. exempting from the two rank of draping automatic fitration list screw rod extruder is made up of upper rank single screw extrusion machine, extrusion screw rod, filtration screw rod, cartridge filter, filtration housing, right angle discharge seat, discharge tube, oil cylinder, heater, lower rank single screw extrusion machine etc.
2. the two rank of the draping automatic fitration list screw rod extruder of exempting from according to claim 1, is characterized in that: filter screw rod and directly adopt screw thread to be arranged on extrusion screw rod front end, share the same power source (namely going up the power of rank single screw extrusion machine).
3. the two rank of the draping automatic fitration list screw rod extruder of exempting from according to claim 1, is characterized in that: filter screw rod and extrusion screw rod on same axis.
4. the two rank of the draping automatic fitration list screw rod extruder of exempting from according to claim 1, it is characterized in that: filter screw rod profile, cartridge filter and filter housing intracoelomic cavity and all adopt conical design, cartridge filter utilizes tapering location and is arranged on and filters in housing, and the gap between cartridge filter and filtration screw rod is adjustable.
5. the two rank of the draping automatic fitration list screw rod extruder of exempting from according to claim 1, it is characterized in that: the two chamber designs of right angle discharge seat, horizontal cavity stores impurity, discharge tube is installed in vertical cavity, utilizes pressure sensor test fluid pressure and automatically control oil cylinder by signal feedback to make discharge tube move down discharge impurity and reset.
6. the two rank of the draping automatic fitration list screw rod extruder of exempting from according to claim 1, is characterized in that: the modular design that adopts the single screw rod in upper and lower rank and automatic fitration, despumation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410196449.XA CN104044257A (en) | 2014-05-12 | 2014-05-12 | Automatic filtering single-screw two-level extruder free of net changing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410196449.XA CN104044257A (en) | 2014-05-12 | 2014-05-12 | Automatic filtering single-screw two-level extruder free of net changing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104044257A true CN104044257A (en) | 2014-09-17 |
Family
ID=51497867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410196449.XA Pending CN104044257A (en) | 2014-05-12 | 2014-05-12 | Automatic filtering single-screw two-level extruder free of net changing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104044257A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494155A (en) * | 2014-11-05 | 2015-04-08 | 泰瑞机器股份有限公司 | Solid waste high-molecular material on-line processing system |
| CN105252742A (en) * | 2015-08-10 | 2016-01-20 | 佛山市奔浩塑料机械有限公司 | Automatic non-net filtrating and slagging device for high polymer materials |
| CN114103053A (en) * | 2021-10-28 | 2022-03-01 | 江苏艾斯瑞特机械有限公司 | Exempt from to trade two rank extruders of net automatic filtration single screw rod convenient to clearance |
| 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 |
|---|---|---|---|---|
| AT363407B (en) * | 1979-10-05 | 1981-08-10 | Haeberle Wilhelm | DISCONNECTING DEVICE |
| JPS5948808U (en) * | 1982-09-22 | 1984-03-31 | 株式会社日本製鋼所 | Twin screw kneading granulation equipment |
| FR2729099A1 (en) * | 1995-01-11 | 1996-07-12 | Scamia | Plastic material separator filter for extrusion materials |
| CN1482950A (en) * | 2001-12-18 | 2004-03-17 | 株式会社电装 | Printed circuit board recycle method and apparatus thereof |
| CN201960726U (en) * | 2011-03-28 | 2011-09-07 | 郑建财 | Non-stop impurity removing plastic extruding machine |
-
2014
- 2014-05-12 CN CN201410196449.XA patent/CN104044257A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT363407B (en) * | 1979-10-05 | 1981-08-10 | Haeberle Wilhelm | DISCONNECTING DEVICE |
| JPS5948808U (en) * | 1982-09-22 | 1984-03-31 | 株式会社日本製鋼所 | Twin screw kneading granulation equipment |
| FR2729099A1 (en) * | 1995-01-11 | 1996-07-12 | Scamia | Plastic material separator filter for extrusion materials |
| CN1482950A (en) * | 2001-12-18 | 2004-03-17 | 株式会社电装 | Printed circuit board recycle method and apparatus thereof |
| CN201960726U (en) * | 2011-03-28 | 2011-09-07 | 郑建财 | Non-stop impurity removing plastic extruding machine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494155A (en) * | 2014-11-05 | 2015-04-08 | 泰瑞机器股份有限公司 | Solid waste high-molecular material on-line processing system |
| CN105252742A (en) * | 2015-08-10 | 2016-01-20 | 佛山市奔浩塑料机械有限公司 | Automatic non-net filtrating and slagging device for high polymer materials |
| CN105252742B (en) * | 2015-08-10 | 2017-10-24 | 佛山市奔浩塑料机械有限公司 | High polymer material is without net filtration automatic slag discharge device |
| CN114103053A (en) * | 2021-10-28 | 2022-03-01 | 江苏艾斯瑞特机械有限公司 | Exempt from to trade two rank extruders of net automatic filtration single screw rod convenient to clearance |
| CN114654701A (en) * | 2022-04-01 | 2022-06-24 | 贺瑞峰 | Alternate drip irrigation tape extrusion and filtration system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140917 |