CN102241122A - Single storage type three-layer plastic co-extrusion die head - Google Patents
Single storage type three-layer plastic co-extrusion die head Download PDFInfo
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- CN102241122A CN102241122A CN2011101374997A CN201110137499A CN102241122A CN 102241122 A CN102241122 A CN 102241122A CN 2011101374997 A CN2011101374997 A CN 2011101374997A CN 201110137499 A CN201110137499 A CN 201110137499A CN 102241122 A CN102241122 A CN 102241122A
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Abstract
The invention discloses a single storage type three-layer plastic co-extrusion die head, comprising a thickness adjusting die body, a material feeding adjusting die body, a material feeding and storing die body and a forming die orifice which are sequentially overlapped and fixedly connected together, wherein the material feeding and storing die body comprises an inner layer material blank inlet, an intermediate-layer material blank inlet and an outer layer material blank inlet; an inner layer material blank runner is arranged corresponding to the inner layer material blank inlet; an intermediate layer material blank runner is arranged corresponding to the intermediate-layer material blank inlet; and an outer layer material blank runner is arranged corresponding to the outer layer material blank inlet. When the single storage type three-layer plastic co-extrusion die head works, the material blanks can be simultaneously fed into the three material blank inlets; the material blanks at the outer layer, the intermediate layer and the inner layer respectively enter a storage cavity of the material feeding and storing die body through corresponding material blank runners and are mixed and then extruded and formed by the forming die orifice in one step; various layers of plastic are closely attached and is firm without seepage; and by using the thickness adjusting die body, the forming die orifice can be adjusted and further the thickness of forming plastic can be adjusted.
Description
Technical field
The present invention relates to a kind of plastic molding machinery, relate in particular to a kind of co-extrusion die head of blow moulding machine of moulding three-layer plastic container.
Background technology
Along with the progress of science and technology, people are more and more higher to the portability requirement of the security of automobile, such as automotive oil tank, and heaviness, perishable, the heavy iron sheet fuel tank of quality can not satisfy people's requirement, is eliminated gradually.Corrosion-resistant, non-leakage, light weight, the plastic fuel tank of antistatic can obtain people's generally approval.
The plastic fuel tank that conventional method is made, product thickness is inhomogeneous, the quality instability, and be corroded easily, easy to leak, in conjunction with the growth requirement and the requirement of actual application of domestic market, plastic fuel tank can be manufactured three layers, internal layer is antistatic, skin is the uvioresistant layer, and the intermediate layer is a polyethylene from high pressure process, but traditional middle control make-up machine generally can only the production single-layer products.Minority can be produced the make-up machine of three-layer plastic container, and structure is all very complicated, can not regulate the wall thickness of the plastic containers of moulding, can only produce the plastic containers of single thickness, more and more can not satisfy the demand in market.
Summary of the invention
Technical problem to be solved by this invention provides a kind of single accumulator formula three-layer plastic co-extrusion die head that can be adjusted to the plastic container wall thickness.
For solving the problems of the technologies described above, technical scheme of the present invention is: single accumulator formula three-layer plastic co-extrusion die head comprises the thick die body of accent stacked successively and that be fixed together, material feeding adjusting die body, material feeding storing die body and moulding die orifice; Also comprise the core bar of carrying that runs through the thick die body of described accent, described material feeding adjusting die body and described material feeding storing die body, the described bottom of carrying core bar is connected with described moulding die orifice;
Layered material embryo inlet, middle material embryo inlet and outer layered material embryo inlet in described material feeding storing die body comprises, with the corresponding interior layered material embryo runner that interior layered material embryo is imported to described moulding die orifice that is provided with of described interior layered material embryo inlet, with the corresponding middle material embryo runner that the middle material embryo is imported to described moulding die orifice that is provided with of described middle material embryo inlet, with the corresponding outer layered material embryo runner that outer layered material embryo is imported to described moulding die orifice that is provided with of described outer layered material embryo inlet.
As a kind of optimized technical scheme, the thick die body of described accent comprises transfers thick cylinder, is equipped with in the thick cylinder of described accent and transfers thick piston, the thick piston of described accent to be fixedly connected with the thick piston rod of accent, and the thick piston rod of described accent is fixedlyed connected with the described core bar of carrying.
As a kind of optimized technical scheme, described material feeding is regulated die body and is comprised the material feeding oil cylinder, in the described material feeding oil cylinder material feeding piston is installed, described material feeding piston is fixedly connected with the material feeding piston rod, described material feeding piston rod is socketed in described carrying on the core bar, the bottom of described material feeding piston rod is installed with, and described bottom of taking over a business is installed with push rod, and described push rod lower end is fixedly connected on described material feeding storing die body.
As a kind of optimized technical scheme, described material feeding storing die body comprises the material cylinder, be provided with internal layer plug and plug junctor in the described material cylinder, described internal layer mandrel outer is equipped with neck bush, is provided with the interior layered material embryo runner that is communicated with described interior layered material embryo inlet and described material cylinder between described neck bush and the described internal layer plug; Described neck bush is equipped with lining outward, is provided with between described neck bush and the described lining to be communicated with the enter the mouth middle material embryo runner of described material cylinder of described middle material embryo; Described lining is equipped with the material plug of fixedlying connected with described push rod outward, and described material is equipped with the material cylinder sleeve beyond the Great Wall, is provided with the outer layered material embryo runner that is communicated with described outer layered material embryo inlet and described material cylinder between the wall of described material cylinder sleeve and described material cylinder.
As a kind of optimized technical scheme, described moulding die orifice comprises with described carries the core that core bar is fixedlyed connected, and described core is provided with the mouth mould that matches and fixedly connected with described material casing wall outward.
Owing to adopted technique scheme, single accumulator formula three-layer plastic co-extrusion die head comprises the thick die body of accent stacked successively and that be fixed together, material feeding adjusting die body, material feeding storing die body and moulding die orifice; Also comprise the core bar of carrying that runs through the thick die body of described accent, described material feeding adjusting die body and described material feeding storing die body, the described bottom of carrying core bar is connected with described moulding die orifice; Layered material embryo inlet, middle material embryo inlet and outer layered material embryo inlet in described material feeding storing die body comprises, with the corresponding interior layered material embryo runner that interior layered material embryo is imported to described moulding die orifice that is provided with of described interior layered material embryo inlet, with the corresponding middle material embryo runner that the middle material embryo is imported to described moulding die orifice that is provided with of described middle material embryo inlet, with the corresponding outer layered material embryo runner that outer layered material embryo is imported to described moulding die orifice that is provided with of described outer layered material embryo inlet; During work, three material embryo inlet charging simultaneously embryos, outward,, interior layered material embryo enters in the storage cavity of material feeding storing die body by own corresponding material embryo runner respectively and converges, three layered material embryos are simultaneously by the extrusion modling of moulding die orifice then, one-shot forming, fit tightly between each layer plastics, solid non-leakage; Utilize and transfer thick die body to regulate, and then be adjusted to the thickness of plastic the moulding die orifice.
Description of drawings
Accompanying drawing is the structural representation of the embodiment of the invention;
Among the figure: layered material embryo inlet in the 1-; 2-middle material embryo inlet; The outer layered material embryo inlet of 3-; 4-internal layer plug; 5-expects cylinder sleeve; The 6-connector; The 7-lining; 8-expects cylinder; The 9-neck bush; 10-plug junctor; 11-takes over a business; 12-carries core bar; 13-material feeding piston rod; 14-material feeding piston; 15-transfers thick piston; 16-transfers thick piston rod; The 17-push rod; The 18-pull bar; 19-expects plug; The 20-core; 21-mouth mould; The 22-Connection Block.
The specific embodiment
Below in conjunction with drawings and Examples, further set forth the present invention.In the following detailed description, only some one exemplary embodiment of the present invention has been described by the mode of explanation.Undoubtedly, those of ordinary skill in the art can recognize, under situation without departing from the spirit and scope of the present invention, can revise described embodiment with various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than is used to limit the protection domain of claim.
As shown in drawings, single accumulator formula three-layer plastic co-extrusion die head comprises the thick die body of accent stacked successively and that be fixed together, material feeding adjusting die body, material feeding storing die body and moulding die orifice; Also comprise run through that the thick die body of described accent, described material feeding regulate die body, described material feeding storing die body carry core bar 12, the described bottom of carrying core bar 12 is connected with described moulding die orifice, the thick die body of described accent comprises transfers thick cylinder, be equipped with in the thick cylinder of described accent and transfer thick piston 15, the thick piston 15 of described accent is fixedly connected with transfers thick piston rod 16, and the thick piston rod 16 of described accent is fixedlyed connected with the described core bar 12 of carrying; Described material feeding is regulated die body and is comprised the material feeding oil cylinder, in the described material feeding oil cylinder material feeding piston 14 is installed, described material feeding piston 14 is fixedly connected with material feeding piston rod 13, described material feeding piston rod 13 is socketed in described carrying on the core bar 12, the bottom of described material feeding piston rod 13 is installed with 11, describedly takes over a business 11 bottom and is installed with push rod 17, in the present embodiment, push rod 17 is provided with three, and described push rod 17 lower ends are fixedly connected on described material feeding storing die body; Described moulding die orifice comprises and the described core 20 that core bar 12 is fixedlyed connected, the described core 20 outer mouth moulds 21 that match and fixedly connected with described material cylinder 8 walls that are provided with carried;
Described material feeding storing die body also comprises material cylinder 8, layered material embryo inlet 1, middle material embryo inlet 2 and outer layered material embryo inlet 3 in described material cylinder 8 is provided with, be provided with internal layer plug 4 and plug junctor 10 in the described material cylinder 8, the external diameter of plug junctor 10 is greater than the external diameter of internal layer plug 4, and the junction of internal layer plug 4 and plug junctor 10 is provided with the transition region that internal layer plug 4 outer radial plug junctors 10 gradually change; Outside the described internal layer plug 4 neck bush 9 is installed, is provided with the interior layered material embryo runner that is communicated with described interior layered material embryo inlet 1 and described material cylinder 8 between described neck bush 9 and the described internal layer plug 4; Described neck bush 9 is outer to be equipped with lining 7, is provided with between described neck bush 9 and the described lining 7 to be communicated with the enter the mouth middle material embryo runner of 2 described material cylinders 8 of described middle material embryo; The described lining 7 outer material plugs 19 of fixedlying connected with described push rod 17 that are equipped with, the described material plug 19 outer material cylinder sleeves 5 that are equipped with are provided with the outer layered material embryo runner that is communicated with described outer layered material embryo inlet 3 and described material cylinder 8 between the wall of described material cylinder sleeve 5 and described material cylinder 8.The top of described material cylinder 8, material cylinder sleeve 5, material plug 19 and lining 7 is provided with Connection Block 22, the upper end of Connection Block 22 is provided with pull bar 18, pull bar 18 be arranged in parallel with push rod 17, the bottom of connector 6 is provided with the annular connector 6 of downward extension, connector 6 is between material cylinder sleeve 5 and lining 7, and push rod 17 runs through Connection Block 22 and connector 6, bottom are fixedly connected on material plug 19.Extend downwards with the core bar 12 of carrying of transferring thick piston rod 16 to fixedly connected, passing described plug 4 directly fixedlys connected with the core 20 of moulding die orifice with described plug junctor 10, regulate gap length between core 20 and mouthful mould 21 so can be directly carry core bar 12, thereby reach the purpose that is adjusted to plastic thickness by pulling.
Operation principle:
Plastics A, the B of three kinds of different colours, C enter into by interior layered material embryo inlet 1, middle material embryo inlet 2 and outer layered material embryo inlet 3 and with above-mentioned interior layered material embryo runner, middle material embryo runner and outer layered material embryo runner of going into the corresponding setting of embryo mouth respectively and expect cylinder 8.
The A plastics are through interior layered material embryo inlet 1, pass in the interior layered material embryo runner that forms between material cylinder 8 walls, material cylinder sleeve 5, Connection Block 22, lining 7, neck bush 9 arrival internal layer plugs 4 and the neck bush 9, the A plastics flow downward in interior layered material embryo runner, the exit of layered material embryo runner, the i.e. contact position of internal layer plug 4, plug junctor 10 and neck bush 9 in arriving;
The B plastics are through middle material embryo inlet 2, pass in the middle material embryo runner that forms between material cylinder 8 walls, material cylinder sleeve 5, Connection Block 22, lining 7 arrival linings 7 and the neck bush 9, the B plastics flow downward in middle material embryo runner, arrive the exit of middle material embryo runner, i.e. the contact position of neck bush 9, lining 7 and plug junctor 10, at this moment, the A plastic bonding in the exit of B plastics and interior layered material embryo runner, form the fluid of two layers of plastic, flowing downward along plug junctor 10 then enters in the material cylinder 8
The C plastics pass material cylinder 8 walls and arrive in the outer layered material embryo runner that forms between material cylinder 8 walls and the material cylinder sleeve 5 through outer layered material embryo inlet 3, and the C plastics flow downward in runner, arrive outer layered material embryo runner exit place, and flowing downward along material cylinder 8 walls then enters in the material cylinder 8.
After A plastics, B plastics, C plastics fill up accumulator 8, material feeding piston 14 and material plug 19 meeting the highest positions in the material feeding oil cylinder, move downward by hydraulic action material feeding piston 14, act on material feeding piston rod 13 and take over a business on 11, take over a business 11 and promote push rod 17 downward pot plungers 19, the die orifice between plastics through port mould 21 and the core 20 is extruded formed the material embryo.Press in the process of material feeding at material plug 19, transfer thick piston 15 meetings constantly by exchanging thick piston rod 16 application of forces, and then pulling carries core bar 12 and moves up and down and regulate gap between core 20 and mouthful mould 21, and the purpose that realizes regulating material flake thickness degree is made product by air blowing, pressurize, typing again.
In this technical scheme, can utilize a die head moulding three-layer plastic container, and can be as required, to the thick automatic control and adjustment of carrying out of moulding plastics wall of a container.Because three-layer plastic at last in the one-shot forming of a moulding die orifice, fits tightly between each layer of product plastics of Sheng Chaning like this, and is solid non-leakage.
What foregoing was described is single accumulator formula three-layer plastic co-extrusion die head, variation as the technical program, also can should change four layers of plastic co-extrusion die head even more multi-layered of single accumulator formula into by list accumulator formula three-layer plastic co-extrusion die head by increasing the mode of material embryo inlet and material embryo runner.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
1. single accumulator formula three-layer plastic co-extrusion die head is characterized in that: comprise the thick die body of accent stacked successively and that be fixed together, material feeding adjusting die body, material feeding storing die body and moulding die orifice; Also comprise the core bar of carrying that runs through the thick die body of described accent, described material feeding adjusting die body and described material feeding storing die body, the described bottom of carrying core bar is connected with described moulding die orifice;
Layered material embryo inlet, middle material embryo inlet and outer layered material embryo inlet in described material feeding storing die body comprises, with the corresponding interior layered material embryo runner that interior layered material embryo is imported to described moulding die orifice that is provided with of described interior layered material embryo inlet, with the corresponding middle material embryo runner that the middle material embryo is imported to described moulding die orifice that is provided with of described middle material embryo inlet, with the corresponding outer layered material embryo runner that outer layered material embryo is imported to described moulding die orifice that is provided with of described outer layered material embryo inlet.
2. single accumulator formula three-layer plastic co-extrusion die head as claimed in claim 1, it is characterized in that: the thick die body of described accent comprises transfers thick cylinder, be equipped with in the thick cylinder of described accent and transfer thick piston, the thick piston of described accent to be fixedly connected with the thick piston rod of accent, the thick piston rod of described accent is fixedlyed connected with the described core bar of carrying.
3. single accumulator formula three-layer plastic co-extrusion die head as claimed in claim 1, it is characterized in that: described material feeding is regulated die body and is comprised the material feeding oil cylinder, in the described material feeding oil cylinder material feeding piston is installed, described material feeding piston is fixedly connected with the material feeding piston rod, the bottom of described material feeding piston rod is installed with, described bottom of taking over a business is installed with push rod, and described push rod lower end is fixedly connected on described material feeding storing die body.
4. single accumulator formula three-layer plastic co-extrusion die head as claimed in claim 3, it is characterized in that: described material feeding storing die body comprises the material cylinder, be provided with internal layer plug and plug junctor in the described material cylinder, described internal layer mandrel outer is equipped with neck bush, is provided with the interior layered material embryo runner that is communicated with described interior layered material embryo inlet and described material cylinder between described neck bush and the described internal layer plug; Described neck bush is equipped with lining outward, is provided with between described neck bush and the described lining to be communicated with the enter the mouth middle material embryo runner of described material cylinder of described middle material embryo; Described lining is equipped with the material plug of fixedlying connected with described push rod outward, and described material is equipped with the material cylinder sleeve beyond the Great Wall, is provided with the outer layered material embryo runner that is communicated with described outer layered material embryo inlet and described material cylinder between the wall of described material cylinder sleeve and described material cylinder.
5. single accumulator formula three-layer plastic co-extrusion die head as claimed in claim 4 is characterized in that: described moulding die orifice comprises with described carries the core that core bar is fixedlyed connected, and described core is provided with the mouth mould that matches and fixedly connected with described material casing wall outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110137499.7A CN102241122B (en) | 2011-05-26 | 2011-05-26 | Single storage type three-layer plastic co-extrusion die head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110137499.7A CN102241122B (en) | 2011-05-26 | 2011-05-26 | Single storage type three-layer plastic co-extrusion die head |
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| Publication Number | Publication Date |
|---|---|
| CN102241122A true CN102241122A (en) | 2011-11-16 |
| CN102241122B CN102241122B (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110137499.7A Active CN102241122B (en) | 2011-05-26 | 2011-05-26 | Single storage type three-layer plastic co-extrusion die head |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555186A (en) * | 2012-01-18 | 2012-07-11 | 潍坊市新恒达机械有限公司 | Three-layer machine head for blowing molding machine and method for manufacturing three-layer hollow blank with foaming intermediate layer |
| CN106182682A (en) * | 2016-08-26 | 2016-12-07 | 徐州耐克盾机械制造有限公司 | A kind of multilayered storage cylinder mould extrusion nozzle |
| CN110014596A (en) * | 2018-01-01 | 2019-07-16 | 广东明氏塑胶科技有限公司 | A kind of π shape synthesis extrusion die |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5055023A (en) * | 1986-10-17 | 1991-10-08 | Richter Guenter | Apparatus for manufacturing large-volume hollow bodies of plastics material having multiple-layer walls |
| CN202062624U (en) * | 2011-05-26 | 2011-12-07 | 潍坊市华玉塑料机械有限公司 | Single-storage-cylinder three-layer plastic coextruding die head |
-
2011
- 2011-05-26 CN CN201110137499.7A patent/CN102241122B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5055023A (en) * | 1986-10-17 | 1991-10-08 | Richter Guenter | Apparatus for manufacturing large-volume hollow bodies of plastics material having multiple-layer walls |
| CN202062624U (en) * | 2011-05-26 | 2011-12-07 | 潍坊市华玉塑料机械有限公司 | Single-storage-cylinder three-layer plastic coextruding die head |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102555186A (en) * | 2012-01-18 | 2012-07-11 | 潍坊市新恒达机械有限公司 | Three-layer machine head for blowing molding machine and method for manufacturing three-layer hollow blank with foaming intermediate layer |
| CN106182682A (en) * | 2016-08-26 | 2016-12-07 | 徐州耐克盾机械制造有限公司 | A kind of multilayered storage cylinder mould extrusion nozzle |
| CN110014596A (en) * | 2018-01-01 | 2019-07-16 | 广东明氏塑胶科技有限公司 | A kind of π shape synthesis extrusion die |
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| Publication number | Publication date |
|---|---|
| CN102241122B (en) | 2014-01-01 |
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