CN205343732U - Plastic film extrusion device - Google Patents
Plastic film extrusion device Download PDFInfo
- Publication number
- CN205343732U CN205343732U CN201620132617.3U CN201620132617U CN205343732U CN 205343732 U CN205343732 U CN 205343732U CN 201620132617 U CN201620132617 U CN 201620132617U CN 205343732 U CN205343732 U CN 205343732U
- Authority
- CN
- China
- Prior art keywords
- extrusion device
- barrel
- die head
- auger
- plastic sheeting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a plastic film extrusion device, include material feeding unit with the extrusion device, material feeding unit includes the feed cylinder, and the vertical auger that is equipped with in the feed cylinder, rabbling mechanism are installed at auger lower extreme, coaxial with the auger, the feed cylinder is equipped with the discharge gate outward, and the discharge gate is installed in the stock chest from screw transfer pipe way one end in stretching into the stock chest, and the other end lies in feeding department of extrusion device, the extrusion device is equipped with the screw rod including installing the barrel on the base in, the outer back upper place of barrel is equipped with the feeder hopper, the die head is installed to the front end, is equipped with pressure sensor on the die head. The utility model relates to a plastic film extrusion device through setting up rabbling mechanism, pressure sensor etc. Synthesizes the quality of improving plastic film, makes and extrudes film thickness unanimously.
Description
Technical field
This utility model relates to plastic wire-drawing technical field, is specially a kind of plastic sheeting extrusion device.
Background technology
Plastic sheeting is the raw material manufacturing woven bag, its production process is: added after dry materials configuration mixed in extruder hopper, rotation along with spiral, material is forced to push head to, owing to screw channel volume constantly reduces, material is constantly compacted in advance process, discharges gas, is extruded simultaneously, shears, raise temperature, and the thermal source of absorption heater, make temperature of charge gradually rise, experience tri-state changes, namely progressively elastomeric state is become from glassy state, finally become viscous state, reach to plastify completely, extrusion film from T-shaped die lip.Enter cooling water tank cooling and shaping, cleaved device cutting filamentation, owing to the linear velocity of drafting system is several times as much as traction apparatus, therefore silk is when arc drawing-off drying-plate, and silk is heated, the orientation while being stretched, making former rambling high-polymer molecular ordered arrangement thus strengthening relative pull-off force, then through arc drawing-off drying-plate heat-shaping, removing internal stress, prevent flat filament from shrinking, finally complete the production of plastic flat fiber.
Plastic film extrusion process exists some problem: 1), current manufacturing enterprise raw material is carried out granule uniformly all be adopt ordinary straight tubular homogenizing tank, the rotating shaft being arranged in homogenization tank is relied on to drive stirring vane that the particulate material pouring in homogenization tank is stirred, it is difficult to fully homogenize, and particulate material homogenizes degree and will affect drawn wire product quality.2), the pressure of liquid easily produces change in extruder, and this change is owing to the defecator place in extruder results in blockage, if processed not in time, it is easy to damages filter, makes reduce the service life of filter.3), the hot plate of traditional die head adopt fritter discrete, so easily cause temperature of heating plate inequality, make the thin film thickness of extrusion differ.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of plastic sheeting extrusion device, it is possible to the extruding making plastic sheeting is uniform, improves the quality of plastic sheeting, reduces the spoilage of equipment.
For solving above-mentioned technical problem, this utility model be the technical scheme is that
A kind of plastic sheeting extrusion device, including pay-off and pressurizing unit, described pay-off includes barrel, auger vertically it is provided with in barrel, it is coaxial with auger that rabbling mechanism is arranged on auger lower end, and described barrel is externally provided with discharging opening, and discharging opening extend in stock chest, being arranged in stock chest from helical feed pipeline one end, the other end is positioned at charging place of pressurizing unit；Described pressurizing unit includes the machine barrel being arranged on pedestal, is provided with screw rod in machine barrel, and machine barrel is outer, and back upper place is provided with feed hopper, front end is provided with die head, and die head is provided with pressure transducer.
Described material tube inner wall is provided with baffle plate from top to bottom, downward-sloping 15 °-30 ° of baffle plate.
Hot plate in described die head is monoblock type biquartz pipe hot plate.
Described pressure transducer is arranged on the feeding-passage of the defecator of die head.
Described feed hopper place is provided with drainage screen.
Described rabbling mechanism includes swivel mount, and swivel mount is provided with dismountable stirring vane.
This utility model one plastic sheeting extrusion device, has following technical effect that
1), by arranging auger, rabbling mechanism and baffle plate in barrel, make actively stirring and passive stirring combine, by relative motioies such as mixing, impacts up and down, make mixing of materials uniform, improve particulate material and homogenize degree and then improve drawn wire product quality.
2), by arranging monoblock type biquartz pipe hot plate in die head, die head temperature can be made uniform, improve constant temperature effect, and then ensure that the film thickness squeezed out is consistent.
3), by arranging pressure transducer on the feeding-passage of die head, thus realizing the extrusion capacity of the raw material after plasticizing is control effectively, making the thickness of flat filament be suitable for, simultaneously facilitating and change filter in time, prevent the threeway screw in defecator from squeezing off, damage die head, accidentally injure personnel.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is schematic diagram of the present utility model.
Fig. 2 is the schematic diagram in barrel of the present utility model.
Fig. 3 is the schematic diagram of rabbling mechanism of the present utility model.
In figure: pay-off 1, pressurizing unit 2, barrel 3, auger 4, rabbling mechanism 5, discharging opening 6, stock chest 7, from helical feed pipeline 8, machine barrel 9, feed hopper 10, die head 11, pressure transducer 12, baffle plate 13, swivel mount 14, stirring vane 15, drainage screen 16.
Detailed description of the invention
As shown in Figure 1-2, a kind of plastic sheeting extrusion device, including pay-off 1 and pressurizing unit 2, described pay-off 1 includes the barrel 3 being arranged in frame, auger 4 vertically it is provided with in barrel 3, rabbling mechanism 5 is arranged on auger 4 lower end, coaxial with auger 4, auger 4 is connected with the driving motor being fixedly mounted on barrel 3 by belt transmission agency with rabbling mechanism 5, the described outer side of barrel 3 is provided with charging aperture, opposite side is provided with discharging opening 6, discharging opening 6 extend in stock chest 7, it is arranged in stock chest 7 from helical feed pipeline 8 one end, the other end is positioned at charging place of pressurizing unit 2, and driven by driving mechanism；Described pressurizing unit 2 includes the machine barrel 9 being arranged on pedestal, it is provided with screw rod in machine barrel 9, the outer back upper place of machine barrel 9 is provided with feed hopper 10, front end is provided with the die head 11 for plastic sheeting extrusion molding, on machine barrel 9 between feed hopper 10 and die head 11, interval is provided with heating, by heating, the raw material in machine barrel 9 is heated, described die head 11 is provided with pressure transducer 12, described pedestal is additionally provided with electrical control cabinet, electrical control cabinet adopts separately installed, directly control startup and the stopping of extruder, directly grasp the change of each spot temperature, the operating temperature at each position of the machine, automatically controlled by respective temperature controller.Preset according to technological temperature requirement before using.
As in figure 2 it is shown, described barrel 3 inwall is provided with baffle plate 13 from top to bottom, downward-sloping 15 °-30 ° of baffle plate 13.Thus structure, when raw material blending transportation to top falls, realizes the impact to material through baffle plate, thus forming dispersity, improves mixed effect.
Hot plate in described die head 11 is monoblock type biquartz pipe hot plate.Thus structure, can make die head temperature uniform, improves constant temperature effect, and then ensures that the film thickness squeezed out is consistent.
Described pressure transducer 12 is arranged on the feeding-passage of defecator of die head 11.Being changed by the pressure before filter in pressure sensor senses die head inner filtration device, and compare with setting value in electrical control cabinet, thus realizing the extrusion capacity of the raw material after plasticizing is control effectively, making the thickness of the thin film of extrusion be suitable for.Simultaneously facilitate and change filter in time, it is prevented that the threeway screw in defecator squeezes off, damage die head, accidentally injure personnel.
As it is shown in figure 1, described feed hopper 10 place is provided with drainage screen 16.Thus structure, can be filtered the impurity being likely in raw material be mixed into, and reduces the situation of die buildup.
As it is shown on figure 3, described rabbling mechanism 5 includes swivel mount 14, stirring vane 15 is arranged on swivel mount 14 by bolt and nut.By the rotary motion of stirring vane, dispensing is made to obtain uniform mix in violent relative motion, simultaneously because stirring vane 15 is detachable, convenient for maintaining and replacing.
Operation principle and process: first, start the corresponding heater in each position, and control the temperature at each position by electrical control cabinet and reach designated value；Then required dispensing is put in barrel 3 in proportion, mix from bottom to top through auger 4, baffle plate 13 impacts and falls, after stirring vane 15 Stirring, and raw material mix homogeneously, stock chest 7 is dropped into through discharging opening 6, and by being transported to feed hopper 10 from helical feed pipeline 8, the raw material after filtration is through screw rod transmission, and plastifies at a certain temperature, being extruded into thin film from die head 11, the water tank that thin film enters into below die head 11 cools down.
Claims (6)
1. a plastic sheeting extrusion device, including pay-off (1) and pressurizing unit (2), it is characterized in that: described pay-off (1) includes barrel (3), auger (4) vertically it is provided with in barrel (3), it is coaxial with auger (4) that rabbling mechanism (5) is arranged on auger (4) lower end, described barrel (3) is externally provided with discharging opening (6), discharging opening (6) extend in stock chest (7), being arranged in stock chest (7) from helical feed pipeline (8) one end, the other end is positioned at charging place of pressurizing unit (2)；Described pressurizing unit (2) includes the machine barrel (9) being arranged on pedestal, is provided with screw rod in machine barrel (9), and machine barrel (9) outer back upper place is provided with feed hopper (10), front end is provided with die head (11), and die head (11) is provided with pressure transducer (12).
2. a kind of plastic sheeting extrusion device according to claim 1, it is characterised in that: described barrel (3) inwall is provided with baffle plate (13), downward-sloping 15 °-30 ° of baffle plate (13) from top to bottom.
3. a kind of plastic sheeting extrusion device according to claim 1, it is characterised in that: the hot plate in described die head (11) is monoblock type biquartz pipe hot plate.
4. a kind of plastic sheeting extrusion device according to claim 1, it is characterised in that: described pressure transducer (12) is arranged on the feeding-passage of the defecator of die head (11).
5. a kind of plastic sheeting extrusion device according to claim 1, it is characterised in that: described feed hopper (10) place is provided with drainage screen (16).
6. a kind of plastic sheeting extrusion device according to claim 1, it is characterised in that: described rabbling mechanism (5) includes swivel mount (14), and swivel mount (14) is provided with dismountable stirring vane (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620132617.3U CN205343732U (en) | 2016-02-22 | 2016-02-22 | Plastic film extrusion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620132617.3U CN205343732U (en) | 2016-02-22 | 2016-02-22 | Plastic film extrusion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205343732U true CN205343732U (en) | 2016-06-29 |
Family
ID=56179714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620132617.3U Expired - Fee Related CN205343732U (en) | 2016-02-22 | 2016-02-22 | Plastic film extrusion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205343732U (en) |
-
2016
- 2016-02-22 CN CN201620132617.3U patent/CN205343732U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20190222 |