CN204278424U - A kind of Preplasticizing injection moulding apparatus - Google Patents
A kind of Preplasticizing injection moulding apparatus Download PDFInfo
- Publication number
- CN204278424U CN204278424U CN201420669671.2U CN201420669671U CN204278424U CN 204278424 U CN204278424 U CN 204278424U CN 201420669671 U CN201420669671 U CN 201420669671U CN 204278424 U CN204278424 U CN 204278424U
- Authority
- CN
- China
- Prior art keywords
- bar
- injection
- shoots
- shoots material
- barrel
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses a kind of Preplasticizing injection moulding apparatus, mainly comprise plasticizing system and an injecting systems improved that an inside is provided with plasticized screw, the two arranged in parallel, and the two barrel front end is by the conduit UNICOM being provided with check (non-return) valve, barrel and conduit distribute heating jacket, in order to supplies melting and realize melt insulation, injecting systems is primarily of nozzle, shoot material bar, injection barrel, discharge collecting chamber, electric rotating machine, shoot material bar Mobile base, driving gear set, slide rail and injection cylinder composition, the bar Mobile base that shoots material is supported on slide rail, the bar that shoots material can be driven to have moved forward and backward action of injection by the injection cylinder be connected with the bar back segment end that shoots material, the utility model is compared with original technology, by arranging helicla flute at the leading portion on bar that shoots material, and make by drive transmission the bar rotation that shoots material, the residual material in bar gap of shooting material pushes in discharge collecting chamber to outside cylinder, the problem that material coking and different batches material are polluted effectively is solved, structure is simple, successful.
Description
Technical field
The utility model relates to injection mo(u)lding field, especially a kind of Preplasticizing injection moulding apparatus.
Background technology
Preplasticizing is to improve a kind of process of thermoplastic injection molding efficiency and quality for injection mo(u)lding.Plasticizing and injection are carried out respectively in two barrels or region, and thermoplastic resin can be made to be heated evenly, and during injection, pressure is consistent, reduce product internal pressure, are conducive to the goods manufacturing thin-walled.Utilize simultaneously shaping after cool time carry out preplasticizing, the plasticizing capacity of equipment can be increased, shorten the operation cycle, improve production capacity.This technology is used widely at injection molding apparatus.
Existing Preplasticizing injection moulding apparatus typically comprises the plasticizing charging barrel establishing the injection barrel of the bar that shoots material and inside to be provided with the plasticizing apparatus of such as screw rod or plunger in, described injection barrel and the arrangement of plasticizing charging barrel block form, and interconnected by the resin duct being connected to two barrel front ends.But in the injection barrel of Preplasticizing injection moulding apparatus, there is gap in injection rod and barrel.In injection process, part melt can enter also long-term existence and wherein, until the melt of rotten coking trace in the bar that shoots material moves back and forth infiltrates in the melt to be injected injecting barrel have a strong impact on quality of item, cause goods to occur the defect such as spot and indenture; Simultaneously when changing the different types of material of different colours and carrying out other batch of production of articles, goods can be caused to pollute at injection rod and this batch of salvage stores in injection barrel gap.ZL99109847.1 discloses a kind of Preplasticizing injection moulding apparatus, adopt the mode delivery space residual material that multiple boring is set at the barrel wall of the rod rear end that shoots material, but this mode exists such as that discharge efficiency is low, still there is the problems such as more, inconvenient operation in residual material.
Summary of the invention
The utility model proposes a kind of Preplasticizing injection moulding apparatus, the discharging structure of its material injection device and marker method are improved, solve the problem that in injection barrel and the bar gap that shoots material, residual material difficulty is discharged.
For achieving the above object, the utility model is by the following technical solutions: a kind of Preplasticizing injection moulding apparatus, mainly comprise plasticizing system and an injecting systems improved that an inside is provided with plasticized screw, the two arranged in parallel, and the two barrel front end is by the conduit UNICOM being provided with check (non-return) valve, barrel and conduit distribute heating jacket, in order to supplies melting with realize melt insulation.Injecting systems forms primarily of nozzle, the bar that shoots material, injection barrel, discharge collecting chamber, electric rotating machine, shoot material bar Mobile base, driving gear set, slide rail and injection cylinder.The bar leading portion diameter that shoots material is identical with injection material cartridge type chamber diameter, and is provided with helicla flute; The bar stage casing diameter that shoots material is less than the bar leading portion diameter that shoots material, and is greater than the bar back segment diameter that shoots material; Shooting material bar back segment through shooting material bar Mobile base fixing with it, making the two can not produce axial relative motion; Electric rotating machine is fixed on above the bar Mobile base that shoots material, and is connected with the bar back segment that shoots material by driving gear set, and it can be driven to rotate; The bar Mobile base that shoots material is supported on slide rail, the bar that shoots material can be driven to have moved forward and backward action of injection by the injection cylinder be connected with the bar back segment end that shoots material.Discharge collecting chamber be positioned at injection barrel bottom, and with injection material cartridge type chamber end UNICOM.
A kind of Preplasticizing injection moulding apparatus of the utility model, the length of the described bar leading portion that shoots material and spiral fluted pitch, the degree of depth, cross sectional shape can set according to material performance, when ensureing excellent sealing, improve the efficiency of discharge.
A kind of Preplasticizing injection moulding apparatus of the utility model, the described bar leading portion spiral fluted head number that shoots material can be set to one or more as the case may be, when ensureing excellent sealing, improves the efficiency of discharge.
A kind of Preplasticizing injection moulding apparatus of the utility model, described discharging method is as follows, injection material cylinder is entered after the plasticizing of this batches, the bar that now shoots material is positioned at barrel high order end, the bar that shoots material rotates, material is screwed in the bar side that shoots material, and material enters helicla flute, and with upper batch residual material one in shoot material bar and barrel wall gap in the same way the screw thread other end move.Along with constantly entering of virgin material after plasticizing, the bar position that shoots material also constantly moves right, and rotate always, the buildup in bar stage casing of shooting material increases, and move right, to barrel extreme right position, be provided with unloading house's entrance, along with the bar that shoots material continues to move right, the material in gap, bar stage casing of shooting material is pressed into unloading house, and is collected.Therefore go up batch residual material directly to contact shooting material in the barrel of bar front end with this batches new, but discharge from the bar stage casing that shoots material and make material from pollution.When making with a collection of goods, a discharge is carried out after multiple molding cycle, get rid of the melt in helicla flute and gap, melt is avoided in gap, coking phenomenon to occur for a long time, first the bar that shoots material is moved to the leftmost side of injection barrel during discharge, discharging process is identical with the method for the upper batches of above-mentioned row.Discharge collecting chamber can arrange temperature control system and discharge gate, ensures that the material of discharging remains on low temperature or clears up away in time.
A kind of Preplasticizing injection moulding apparatus of the utility model, in described discharging process, the operating pressure that oil cylinder provides certain to the bar injection direction that shoots material can be opened, the material pressure bar that makes to shoot material is not moved vertically, now feed virgin material, can promote that material enters from the helicla flute of the bar front end that shoots material the bar stage casing that shoots material, accelerate discharge, at cylinder efficient and after the pressure of a period of time is provided, stop oil cylinder, material continue enter under the bar that shoots material continue to move right, to die cavity extreme position, the buildup in the bar stage casing that shoots material is entered discharge collecting chamber by this process.
The utility model is compared with original technology, by arranging helicla flute shooting material on bar, and make by drive transmission the bar rotation that shoots material, the residual material in bar gap of shooting material pushes in collecting chamber outside cylinder, the problem that material coking and different batches material are polluted effectively is solved, structure is simple, successful.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of Preplasticizing injection moulding apparatus of the utility model.
Fig. 2 is the bar schematic diagram that shoots material in a kind of Preplasticizing injection moulding apparatus of the utility model.
In figure: 1-plasticizing system, 2-connecting duct, 3-heating jacket, 4-check (non-return) valve, 5-injecting systems, 6-nozzle, 7-shoots material bar, and 7a-shoots material bar leading portion, and 7b-shoots material bar stage casing, 7c-shoots material bar back segment, and 8-injects barrel, 9-discharge collecting chamber, 10-shoots material bar Mobile base, 11-driving gear set, 12-motor transmission shaft, 13-electric rotating machine, 14-slide rail, 15-injection cylinder
Detailed description of the invention
As shown in Figure 1, a kind of Preplasticizing injection moulding apparatus of the utility model, comprise plasticizing system 1 and an injecting systems 5 improved that an inside is provided with plasticized screw, the two arranged in parallel, and the two barrel front end is by conduit 2 UNICOM being provided with check (non-return) valve 4, plasticizing charging barrel, injection barrel and conduit distribute heating jacket 3, in order to supplies melting with realize melt and be incubated.The injecting systems 5 improved forms primarily of nozzle 6, the bar 7 that shoots material, injection barrel 8, discharge collecting chamber 9, electric rotating machine 13, the bar Mobile base 10 that shoots material, driving gear set 11, slide rail 14 and injection cylinder 15.As shown in Figure 2, the bar leading portion 7a diameter that shoots material is identical with injection material cartridge type chamber diameter, and is provided with helicla flute; The bar stage casing 7b diameter that shoots material is less than the bar leading portion 7a diameter that shoots material, and is greater than the bar back segment 7c diameter that shoots material; Shoot material bar back segment 7c through the bar Mobile base 10 that shoots material, and the shaft shoulder by the bar back segment 7c that shoots material is located, and makes the two can not produce axial relative motion; Electric rotating machine 13 is fixed on above the bar Mobile base 10 that shoots material, and is connected, it can be driven to rotate by driving gear set 11 with the bar back segment 7c that shoots material; The bar Mobile base 10 that shoots material is supported on the slide rail 14 of two or more, the bar 7 that shoots material can be driven to have moved forward and backward action of injection by the injection cylinder 15 be connected with the bar back segment 7c end that shoots material.Discharge collecting chamber 9 is positioned at injection barrel 8 bottom, and with injection barrel 8 die cavity end UNICOM.The length of bar leading portion 7a of shooting material and spiral fluted pitch, the degree of depth, cross sectional shape can set according to material performance, when ensureing excellent sealing, improve the efficiency of discharge.The bar leading portion 7a spiral fluted head number that shoots material can be set to one or more as the case may be, when ensureing excellent sealing, improves the efficiency of discharge.
A kind of Preplasticizing injection moulding apparatus of the utility model, described discharging method is as follows, injection material cylinder 8 front end is entered after the plasticizing of this batches, the bar 7 that now shoots material is positioned at barrel high order end, the bar 7 that shoots material rotates, material is screwed in bar 7 side that shoots material, and material enters helicla flute, and with upper batch residual material one in shoot material bar 7 and barrel 8 wall gap in the same way the screw thread other end move.Along with constantly entering of virgin material after plasticizing, bar 7 position that shoots material also constantly moves right, and rotate always, the buildup of bar stage casing 7b of shooting material increases, and move right, to barrel extreme right position, be provided with discharge collecting chamber 9 entrance, along with shooting material, bar 7 continues to move right, the material in 7b gap, bar stage casing of shooting material is pressed into discharge collecting chamber 9, and is collected.Therefore go up batch residual material directly to contact with in the barrel 8 of this batches new on the left of the bar front end 7a that shoots material, but make material from pollution from the bar stage casing 7b discharge that shoots material.When making with a collection of goods, after multiple molding cycle, carry out a discharge, get rid of the melt in helicla flute and gap, avoid melt in gap, coking phenomenon to occur for a long time, during discharge, the bar 7 that shoots material is moved to the leftmost side of injection barrel 8, discharging process is identical with the upper batches method of above-mentioned row.In described discharging process, the injection direction of injection cylinder 15 to the bar 7 that shoots material can be opened certain operating pressure is provided, the pressure of the material bar 7 that makes to shoot material is not moved vertically, now feed virgin material, can promote that material enters from the helicla flute of the bar front end 7a that shoots material the bar stage casing 7b that shoots material, accelerate discharge, after injection cylinder 15 works and provides the pressure of a period of time, stop oil cylinder 15, material continue enter under the bar 7 that shoots material continue to move right, to die cavity extreme position, the buildup of the bar stage casing 7b that shoots material is entered discharge collecting chamber 9 by this process.
Claims (3)
1. a Preplasticizing injection moulding apparatus, mainly comprise plasticizing system and an injecting systems improved that an inside is provided with plasticized screw, the two arranged in parallel, and the two barrel front end is by the conduit UNICOM being provided with check (non-return) valve, barrel and conduit distribute heating jacket, in order to supplies melting and realize melt insulation, it is characterized in that: described injecting systems is primarily of nozzle, shoot material bar, injection barrel, discharge collecting chamber, electric rotating machine, shoot material bar Mobile base, driving gear set, slide rail and injection cylinder composition, the bar leading portion diameter that shoots material is identical with injection material cartridge type chamber diameter, and be provided with helicla flute, the bar stage casing diameter that shoots material is less than the bar leading portion diameter that shoots material, and is greater than the bar back segment diameter that shoots material, shooting material bar back segment through shooting material bar Mobile base fixing with the bar Mobile base that shoots material, making the two can not produce axial relative motion, electric rotating machine is fixed on above the bar Mobile base that shoots material, and is connected with the bar back segment that shoots material by driving gear set, and the bar that shoots material can be driven to rotate, the bar Mobile base that shoots material is supported on slide rail, the bar that shoots material can be driven to have moved forward and backward action of injection by the injection cylinder be connected with the bar back segment end that shoots material, discharge collecting chamber be positioned at injection barrel bottom, and with injection material cartridge type chamber end UNICOM.
2. a kind of Preplasticizing injection moulding apparatus according to claim 1, is characterized in that: the described bar leading portion spiral fluted head number that shoots material can be set to one or more as the case may be.
3. a kind of Preplasticizing injection moulding apparatus according to claim 1, is characterized in that: discharge collecting chamber can arrange temperature control system and discharge gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420669671.2U CN204278424U (en) | 2014-11-05 | 2014-11-05 | A kind of Preplasticizing injection moulding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420669671.2U CN204278424U (en) | 2014-11-05 | 2014-11-05 | A kind of Preplasticizing injection moulding apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204278424U true CN204278424U (en) | 2015-04-22 |
Family
ID=52861617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420669671.2U Withdrawn - After Issue CN204278424U (en) | 2014-11-05 | 2014-11-05 | A kind of Preplasticizing injection moulding apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204278424U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494074A (en) * | 2014-11-05 | 2015-04-08 | 泰瑞机器股份有限公司 | Preplasticizing injection moulding apparatus |
| CN105014885A (en) * | 2015-08-20 | 2015-11-04 | 泰瑞机器股份有限公司 | Runner-free switching valve internal recycle material removing type screw plunger plastic injection molding machine |
-
2014
- 2014-11-05 CN CN201420669671.2U patent/CN204278424U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494074A (en) * | 2014-11-05 | 2015-04-08 | 泰瑞机器股份有限公司 | Preplasticizing injection moulding apparatus |
| CN104494074B (en) * | 2014-11-05 | 2016-10-05 | 泰瑞机器股份有限公司 | A kind of Preplasticizing injection moulding apparatus |
| CN105014885A (en) * | 2015-08-20 | 2015-11-04 | 泰瑞机器股份有限公司 | Runner-free switching valve internal recycle material removing type screw plunger plastic injection molding machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201720992U (en) | Fully electrical double-screw injection molding machine | |
| US20180297259A1 (en) | Injection molding apparatus with spherical rotor | |
| CN105499530A (en) | Injection molding machine and process for aluminum alloy | |
| CN104494074B (en) | A kind of Preplasticizing injection moulding apparatus | |
| CN204278424U (en) | A kind of Preplasticizing injection moulding apparatus | |
| CN207310442U (en) | A kind of large size plastic jetting-moulding device | |
| CN106626220A (en) | Injection molding apparatus | |
| CN209616235U (en) | A kind of injection molding machine of no material head | |
| CN207859363U (en) | A kind of injection mold convenient for location and installation | |
| CN103182775B (en) | The volume displaced tensile deformation plasticizing processing method of a kind of twin-screw and equipment | |
| CN215095437U (en) | Double-valve needle hot runner structure | |
| CN101264653A (en) | High speed injection molding method and injection molding machine implementing the method | |
| CN2887574Y (en) | Improved injecting and pressure-keeping structure of injection moulding machine | |
| CN205705148U (en) | Spiral shell dish and plunger combination formula Coinjection molding apparatus | |
| CN205705154U (en) | Vibration column plug Coinjection molding apparatus | |
| CN209920414U (en) | High-precision injection molding machine for blood bag processing | |
| CN204800985U (en) | Injection molding machine | |
| CN207509654U (en) | A kind of twoport injecting mechanism for injection molding machine | |
| CN105751455A (en) | Spiral coil and plunger combined type injection molding device | |
| CN202079740U (en) | Conical screw injection machine | |
| CN104526995A (en) | Plastic extruding and injection molding machine with material cleaning function | |
| CN105108984A (en) | Conversion valve device of on-line mixing injection molding machine and control method of conversion valve device | |
| CN105751460B (en) | Vibrate plunger type Coinjection molding apparatus | |
| CN204505678U (en) | A kind of injection machine | |
| CN211221908U (en) | Double-port injection molding mechanism for injection molding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Hongwei Inventor after: Li Binbin Inventor after: Lin Wu Inventor after: Yang Weimin Inventor after: Ding Yumei Inventor after: Li Yuelin Inventor after: Hu Lingxiao Inventor before: Zhou Hongwei Inventor before: Li Binbin Inventor before: Lin Wu |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHOU HONGWEI LI BINBIN LIN WU TO: ZHOU HONGWEI LI BINBIN LIN WU YANG WEIMIN DING YUMEI LI YUELIN HU LINGXIAO |
|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150422 Effective date of abandoning: 20161005 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |