CN201175983Y - PET special injection moulding apparatus for injection moulding machine - Google Patents
PET special injection moulding apparatus for injection moulding machine Download PDFInfo
- Publication number
- CN201175983Y CN201175983Y CNU200720060980XU CN200720060980U CN201175983Y CN 201175983 Y CN201175983 Y CN 201175983Y CN U200720060980X U CNU200720060980X U CN U200720060980XU CN 200720060980 U CN200720060980 U CN 200720060980U CN 201175983 Y CN201175983 Y CN 201175983Y
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- China
- Prior art keywords
- screw rod
- injection moulding
- injection
- head
- nozzle
- 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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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to an injection molding device having well plasticizing effect on injection molded PET material, which comprises an injecting drum, an injector base on the injecting drum, an injector connected with the front end of the injector base, a filter screen in the injector and a screw rod in the injecting drum, wherein a pineapple head, a rubber transmission medium and a retaining ring are provided at the front of the screw rod, a rubber transmission head penetrated through the center hole of the screw rod to be connected integrally with the screw rod via screws, and the screw rod can move in a piston type in the injecting drum. The utility model can realize well plasticizing effect and well mixing effect.
Description
Technical field:
The utility model relates to a kind of injection machine technical field, and injection moulding PET material is had good plasticizing effect injection moulding apparatus.
Background technology
Present general injection machine PET screw rod, draw ratio is generally 20-22, three sections distribution L1=50-60%, L2=20-30%; Adopt low the shearing, low compression ratio, screw compression is than ε=1.8-2.2.Because the PET fusing point is higher, about 250 ℃-260 ℃, under above-mentioned draw ratio, there is the part material can not reach viscous state, thus cause plasticizing bad, poor product quality.And only add the draw ratio of long bolt, and can make material time of staying lengthening on the injection tube again, to decompose easily, the effect of product is bad equally.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of and has higher plasticizing effect and the special-purpose injection moulding apparatus of the injection machine PET of the effect of mixing.
The technical scheme that provides of the utility model is for achieving the above object: include the injection tube, be installed in the nozzle seat on the injection tube, nozzle seat front end connects nozzle, screen pack is arranged in the nozzle, be furnished with screw rod in the injection tube, the screw rod front is equipped with the pineapple head successively, crosses glue meson, non-return circle, passes its centre bore by crossing the glue head, be connected in aggregatesly with screw rod by screw thread, screw rod can be done piston type motion in the injection tube.
Two groups of helicla flutes are arranged on the face of cylinder of pineapple head, and every group of helicla flute is made up of many arc grooves.
The barrel of screen pack is evenly equipped with filtering holes, and head also has filtering holes.
After adopting technique scheme, 1, material is owing to have higher plasticizing effect under the effect of pineapple head; When 2, material is by screen pack, divided not many bursts of materials flows by mesh, because the gap between screen pack outer wall and nozzle inwall is less, the material of being shunted material converges together again.Simultaneously, screen pack is anterior fits with the nozzle inwall, and the material that converges is also converged again by shunting again, thereby higher melting effect is arranged.
Description of drawings
Fig. 1 is the structural representation of the special-purpose injection moulding apparatus of the utility model injection machine PET;
Fig. 2 is the axonometric drawing of pineapple head;
The axonometric drawing of Fig. 3 screen pack.
The specific embodiment
Below in conjunction with above-mentioned accompanying drawing the utility model is further specified:
See accompanying drawing 1～shown in Figure 3, present embodiment includes injection tube 6, be installed in the nozzle seat 3 on the injection tube 6, nozzle seat front end connects nozzle 1, and screen pack 2 is arranged in the nozzle 1, is furnished with screw rod 9 in the injection tube 6, screw rod 9 fronts are equipped with pineapple 8 successively, cross glue meson 7, non-return circle 5, pass its centre bore by crossing glue head 4, be connected in aggregatesly by screw thread with screw rod 9, screw rod 9 can be made piston type and move in injection tube 6.On the face of cylinder of pineapple 8 two groups of helicla flutes are arranged, every group of helicla flute is made up of many arc grooves.Described barrel is evenly equipped with filtering holes, and head also has filtering holes.Material enters homogenizing zone from screw rod 9 melt zones, the melt that contains molten solids particle not arrives pineapple 8 o'clock, be divided into the plurality of sections materials flow, melt and material grain are crossed hopper less than the solid-state granule of arc groove groove width, Su Hua particle has not been subjected to shear action between arc groove, a large amount of machines can be converted into heat, makes the fusion of granule material.In addition, because material is on the one hand done axially-movable in injection tube 6, screw under the effect of spiral shell rib on the other hand, two kinds of effects make material make vortex-like circulation movement in the arc groove of pineapple 8.In sum, material is owing to have higher plasticizing effect under the effect of pineapple 8.Before material is by nozzle, install screen pack 2 additional.When material passes through screen pack 2, divided not many bursts of materials flows by mesh, because the gap between screen pack 2 outer walls and nozzle 1 inwall is less, the material of being shunted material converges together again.Simultaneously, four punishment in advance mouths are only stayed in screen pack 2 anterior and nozzle 1 inwall applyings, and the material that converges is also converged again by shunting again, thereby higher melting effect is arranged.
Claims (3)
1, the special-purpose injection moulding apparatus of injection machine PET, it is characterized in that: include the injection tube, be installed in the nozzle seat on the injection tube, nozzle seat front end connects nozzle, and screen pack is arranged in the nozzle, is furnished with screw rod in the injection tube, the screw rod front is equipped with the pineapple head successively, crosses glue meson, non-return circle, pass its centre bore by crossing the glue head, be connected in aggregatesly by screw thread with screw rod, screw rod can be made piston type and move in the injection tube.
2, the special-purpose injection moulding apparatus of injection machine PET according to claim 1, it is characterized in that: two groups of helicla flutes are arranged on the face of cylinder of pineapple head, and every group of helicla flute is made up of many arc grooves.
3, the special-purpose injection moulding apparatus of injection machine PET according to claim 1, it is characterized in that: the barrel of screen pack is evenly equipped with filtering holes, and head also has filtering holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720060980XU CN201175983Y (en) | 2007-12-05 | 2007-12-05 | PET special injection moulding apparatus for injection moulding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720060980XU CN201175983Y (en) | 2007-12-05 | 2007-12-05 | PET special injection moulding apparatus for injection moulding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201175983Y true CN201175983Y (en) | 2009-01-07 |
Family
ID=40215999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720060980XU Expired - Fee Related CN201175983Y (en) | 2007-12-05 | 2007-12-05 | PET special injection moulding apparatus for injection moulding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201175983Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973112A (en) * | 2010-09-30 | 2011-02-16 | 北京化工大学 | Threaded rod of injection molding machine with reversely connected threaded rod head |
| CN102350777A (en) * | 2011-07-29 | 2012-02-15 | 厦门文斯康机电设备有限公司 | Plunger type injection molding device |
| CN102773975A (en) * | 2012-06-20 | 2012-11-14 | 无锡天惠塑机有限公司 | Plastification part of injection molding machine |
| CN103921396A (en) * | 2014-05-14 | 2014-07-16 | 肖加云 | Planet mulling injection nozzle |
| CN107199677A (en) * | 2017-08-03 | 2017-09-26 | 宁波三顺机械设备科技有限公司 | Screw in injection molding machine |
| CN107914372A (en) * | 2017-12-18 | 2018-04-17 | 苏州川鹏塑料有限公司 | The plasticizing apparatus that can be kneaded at a high speed |
-
2007
- 2007-12-05 CN CNU200720060980XU patent/CN201175983Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973112A (en) * | 2010-09-30 | 2011-02-16 | 北京化工大学 | Threaded rod of injection molding machine with reversely connected threaded rod head |
| CN102350777A (en) * | 2011-07-29 | 2012-02-15 | 厦门文斯康机电设备有限公司 | Plunger type injection molding device |
| CN102350777B (en) * | 2011-07-29 | 2014-01-15 | 厦门金刚利斯机械科技有限公司 | Plunger type injection molding device |
| CN102773975A (en) * | 2012-06-20 | 2012-11-14 | 无锡天惠塑机有限公司 | Plastification part of injection molding machine |
| CN103921396A (en) * | 2014-05-14 | 2014-07-16 | 肖加云 | Planet mulling injection nozzle |
| CN103921396B (en) * | 2014-05-14 | 2017-02-22 | 积康螺杆制造（上海）股份有限公司 | Planet mixing injection nozzle |
| CN107199677A (en) * | 2017-08-03 | 2017-09-26 | 宁波三顺机械设备科技有限公司 | Screw in injection molding machine |
| CN107199677B (en) * | 2017-08-03 | 2019-03-08 | 宁波三顺机械设备科技有限公司 | Screw in injection molding machine |
| CN107914372A (en) * | 2017-12-18 | 2018-04-17 | 苏州川鹏塑料有限公司 | The plasticizing apparatus that can be kneaded at a high speed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090107 Termination date: 20111205 |