CN103395186A - Hollow molding machine head for four-layer plastic - Google Patents
Hollow molding machine head for four-layer plastic Download PDFInfo
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- CN103395186A CN103395186A CN2013103706962A CN201310370696A CN103395186A CN 103395186 A CN103395186 A CN 103395186A CN 2013103706962 A CN2013103706962 A CN 2013103706962A CN 201310370696 A CN201310370696 A CN 201310370696A CN 103395186 A CN103395186 A CN 103395186A
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Abstract
The invention discloses a hollow molding machine head for four-layer plastic. The hollow molding machine head comprises a thickening die body, a material-injection regulating die body, a material-injection storing die body, a molding die hole and a core lifting rod, wherein the thickening die body, the material-injection regulating die body, the material-injection storing die body and the molding die hole are sequentially superposed and fixedly connected together; the core lifting rod penetrates through the thickening die body, the material-injection regulating die body and the material-injection storing die body, and the bottom end of the core lifting rod is connected with the molding die hole; and the material-injection storing die body comprises four feeding holes. In a working process, blanks are simultaneously fed through the four feeding holes, blanks in each layer respectively enter a storing cavity of the material-injection storing die body to be converged through corresponding plastic runners, and four layers of the plastic are simultaneously subjected to extrusion molding once through the molding die hole, are tightly laminated with one another, are firm and cannot leak; the thickening die body can be used for regulating the molding die hole so as to regulate the thickness of the molded plastic. According to the hollow molding machine head, the thicknesses of the middle two layers of the blanks can be uniform, and four layers of the blanks can be tightly combined after being subjected to the extrusion molding, and the service life of a plastic container is prolonged.
Description
Technical field
The present invention relates to a kind of plastic molding machinery, relate in particular to the die head with accumulator of the blow moulding machine of four layers of plastic containers of a kind of moulding.
Background technology
Along with improving constantly of people life and the requirement of producing, the volume of the hollow plastic container that people need is also increasing, and is also more and more higher to the quality requirement of container.Such as the Plastic Drum of multilayer and plastic automotive fuel tank etc.
Take the plastic automotive fuel tanks of four layers as example, the plastic fuel tank that conventional method is manufactured, product thickness is inhomogeneous, and quality is unstable, and easily be corroded, easy to leak, in conjunction with the growth requirement of domestic market and the requirement of practical application, plastic fuel tank can be manufactured to four layers, the antistatic anti-leakage of internal layer, skin is the anti-ultraviolet anti-aging layer, centre is two-layer is polyethylene from high pressure process, but traditional blow moulding machine generally can only the production single-layer products.Minority can be produced the forming machine of three-layer plastic container, 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, the wall thickness of plastic container of production is inhomogeneous, and layering is unclear, for four layers of plastic containers, if middle that two-layer material base is inhomogeneous, internal layer material base and outer material base can't with the extrusion modling well of the two-layer material base in centre, and if wall unevenness even service life that can shorten plastic containers.
Summary of the invention
Technical problem to be solved by this invention is to provide and a kind ofly can be adjusted to plastic container wall thickness and the uniform four layers of plastic hollow formation machine head of wall thickness.
For solving the problems of the technologies described above, technical scheme of the present invention is: four layers of plastic hollow formation machine head comprise that die body, material feeding storing die body and moulding die orifice are regulated in the stacked and thick die body of tune that be fixed together, material feeding successively; Also comprise the core bar of carrying that runs through the thick die body of described tune, 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;
described material feeding storing die body comprises the ground floor charging aperture, second layer charging aperture, the 3rd layer of charging aperture and the 4th layer of charging aperture, the be provided with ground floor plastic passages that ground floor material base imported to described moulding die orifice corresponding to described ground floor charging aperture, the be provided with second layer plastic passages that second layer material base imported to described moulding die orifice corresponding to described second layer charging aperture, with the corresponding three-layer plastic runner that the 3rd layered material base is imported to described moulding die orifice that is provided with of described the 3rd layer of charging aperture, be provided with four layer plastic passages four layered material base being imported to described moulding die orifice corresponding to described the 4th layer of charging aperture.
As a kind of preferred technical scheme, the thick die body of described tune comprises adjusts thick cylinder, in the thick cylinder of described tune, is equipped with and adjusts thick piston, the thick piston of described tune to be fixedly connected with the thick piston rod of tune, and the thick piston rod of described tune is fixedly connected with the described core bar of carrying.
As a kind of preferred technical scheme, described material feeding is regulated die body and is comprised the material feeding oil cylinder, in described material feeding oil cylinder, the 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 extends in described material feeding storing die body.
as a kind of preferred technical scheme, described material feeding storing die body comprises the material cylinder, in described material cylinder, be provided with storage cavity, the top of described material cylinder is installed with connector, in described material cylinder, be provided with plug, described plug passes described connector, in described connector, be installed with the lining of the described plug of ring, middle level diversion sleeve and outer diversion sleeve are installed between described plug and described lining successively, between described middle level diversion sleeve and described plug, be provided with the 4th layer of plastic passages that is communicated with described the 4th layer of charging aperture and described storage cavity, between described middle level diversion sleeve and outer diversion sleeve, be provided with the three-layer plastic runner that is communicated with described the 3rd layer of charging aperture and described storage cavity, between described outer diversion sleeve and lining, be provided with the second layer plastic passages that is communicated with described second layer charging aperture and described storage cavity, described lining is equipped with outward with described material feeding and regulates the material plug that die body is fixedly connected with, in described material plug, be provided with the double-deck material base guide channel that is communicated with described second layer plastic passages and described three-layer plastic runner, between the material casing wall of described material plug and described material cylinder, the material cylinder sleeve is installed, between described material cylinder sleeve and described material casing wall, be provided with the ground floor plastic passages that is communicated with described ground floor charging aperture and described storage cavity, the described bottom of carrying core bar is passed described plug and is fixedly connected with described moulding die orifice.
As a kind of preferred technical scheme, the bottom of described plug is provided with adjusts thick gathering sill, and the degree of depth of the thick gathering sill of described tune is adjusted thick stroke greater than the maximum of the thick die body of described tune.
As a kind of preferred technical scheme, described material plug comprises material plug matrix, and the inboard of described material plug matrix is installed with material plug junctor, and described double-deck material base guide channel is between described material plug matrix and described material plug junctor.
as a kind of preferred technical scheme, described ground floor charging aperture is arranged on described material casing wall and with described ground floor plastic passages and is communicated with, described second layer charging aperture is arranged on described connector and passes described lining and is communicated with described second layer plastic passages, described the 3rd layer of charging aperture is arranged on described connector and passes successively described lining and described outer diversion sleeve is communicated with described three-layer plastic runner, described the 4th layer of charging aperture is arranged on described connector and passes successively described lining, described outer diversion sleeve and described middle level diversion sleeve are communicated with described the 4th layer of plastic passages.
As a kind of preferred technical scheme, described moulding die orifice comprises the core that is fixedly connected with the described bottom of carrying core bar, and described core is provided with the mouth mould that matches and be fixedly connected with described material feeding storing die body outward.
As a kind of preferred technical scheme, the top of described core is connected with adjusts thick guide pad.
owing to having adopted technique scheme, four layers of plastic hollow formation machine head, comprise that die body, material feeding storing die body and moulding die orifice are regulated in the stacked and thick die body of tune that be fixed together, material feeding successively, also comprise the core bar of carrying that runs through the thick die body of described tune, 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, described material feeding storing die body comprises the ground floor charging aperture, second layer charging aperture, the 3rd layer of charging aperture and the 4th layer of charging aperture, the be provided with ground floor plastic passages that ground floor material base imported to described moulding die orifice corresponding to described ground floor charging aperture, the be provided with second layer plastic passages that second layer material base imported to described moulding die orifice corresponding to described second layer charging aperture, with the corresponding three-layer plastic runner that the 3rd layered material base is imported to described moulding die orifice that is provided with of described the 3rd layer of charging aperture, be provided with four layer plastic passages four layered material base being imported to described moulding die orifice corresponding to described the 4th layer of charging aperture, during work, four charging apertures charging simultaneously bases, each layered material base plastic passages by correspondence respectively enter in the storage cavity of material feeding storing die body and converge, and then four layers of plastics one-shot forming, fit tightly between each layer plastics, and are solid non-leakage, utilize and adjust thick die body to regulate the moulding die orifice, and then be adjusted to the thickness of plastic, two-layer material base even thickness in the middle of the present invention can make, after extrusion modling, four layered material bases are combined closely, and have extended the service life of plastic containers.
The accompanying drawing explanation
The following drawings only is intended to the present invention is done and schematically illustrates and explain, not delimit the scope of the invention.Wherein:
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is that the A-A of Fig. 1 is to cutaway view;
Fig. 3 is the full status architecture schematic diagram of the material cylinder storage cavity of the embodiment of the present invention;
In figure: 1-carries core bar; 21-adjusts thick cylinder; 22-adjusts thick piston; 23-adjusts thick piston rod; 31-material feeding oil cylinder; 32-material feeding piston; 33-material feeding piston rod; 34-takes over a business; The 35-push rod; 411-ground floor charging aperture; 412-second layer charging aperture; The 3rd layer of charging aperture of 413-; The 4th layer of charging aperture of 414-; 42-expects cylinder; The 421-storage cavity; The 43-plug; The 44-lining; 451-material plug matrix; 452-material plug junctor; 46-adjusts thick gathering sill; 47-expects cylinder sleeve; 481-middle level diversion sleeve; The outer diversion sleeve of 482-; The 49-connector; The 51-core; 52-mouth mould; 53-adjusts thick guide pad.
The specific embodiment
Below in conjunction with drawings and Examples, further set forth the present invention.In the following detailed description, only by the mode of explanation, some example embodiment of the present invention has been described.Undoubtedly, those of ordinary skill in the art can recognize, in the situation that without departing from the spirit and scope of the present invention, can to described embodiment, revise with various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than be used to limiting the protection domain of claim.
As depicted in figs. 1 and 2, four layers of plastic hollow formation machine head, comprise that die body, material feeding storing die body and moulding die orifice are regulated in the stacked and thick die body of tune that be fixed together, material feeding successively; Also comprise run through that the thick die body of described tune, described material feeding regulate die body and described material feeding storing die body carry core bar 1, the described bottom of carrying core bar 1 is connected with described moulding die orifice; The thick die body of described tune comprises adjusts thick cylinder 21, in the thick cylinder 21 of described tune, is equipped with and adjusts thick piston 22, the thick piston 22 of described tune to be fixedly connected with the thick piston rod 23 of tune, and the thick piston rod 23 of described tune is fixedly connected with the described core bar 1 of carrying; Described material feeding is regulated die body and is comprised material feeding oil cylinder 31, in described material feeding oil cylinder 31, material feeding piston 32 is installed, described material feeding piston 32 is fixedly connected with material feeding piston rod 33, the bottom of described material feeding piston rod 33 is installed with 34, describedly take over a business 34 bottom and be installed with push rod 35, described push rod 35 lower ends extend in described material feeding storing die body.
described material feeding storing die body comprises ground floor charging aperture 411, second layer charging aperture 412, the 3rd layer of charging aperture 413 and the 4th layer of charging aperture 414, the be provided with ground floor plastic passages that ground floor material base imported to described moulding die orifice corresponding to described ground floor charging aperture 411, the be provided with second layer plastic passages that second layer material base imported to described moulding die orifice corresponding to described second layer charging aperture 412, with the corresponding three-layer plastic runner that the 3rd layered material base is imported to described moulding die orifice that is provided with of described the 3rd layer of charging aperture 413, be provided with four layer plastic passages four layered material base being imported to described moulding die orifice corresponding to described the 4th layer of charging aperture 414.
described material feeding storing die body comprises material cylinder 42, in described material cylinder 42, be provided with storage cavity 421, the top of described material cylinder 42 is installed with connector 49, in described material cylinder 42, be provided with plug 43, described plug 43 passes described connector 49, in described connector 49, be installed with the lining 44 of the described plug 43 of ring, middle level diversion sleeve 481 and outer diversion sleeve 482 are installed between described plug 43 and described lining 44 successively, described the 4th layer of plastic passages is arranged between described middle level diversion sleeve 481 and described plug 43, described three-layer plastic runner is arranged between described middle level diversion sleeve 481 and described outer diversion sleeve 482, described second layer plastic passages is arranged between described outer diversion sleeve 482 and lining 44, the outer material plug that is fixedly connected with described push rod 35 bottoms that is equipped with of described lining 44, in described material plug, be provided with the double-deck material base guide channel that is communicated with described second layer plastic passages and described three-layer plastic runner, particularly, described material plug comprises material plug matrix 451, the inboard of described material plug matrix 451 is installed with material plug junctor 452, and described double-deck material base guide channel is between described material plug matrix 451 and described material plug junctor 452, material cylinder sleeve 47 is installed between the material casing wall of described material plug matrix 451 and described material cylinder 42, and described ground floor plastic passages is arranged between described material cylinder sleeve 47 and described material casing wall, described ground floor charging aperture 411 is arranged on described material casing wall and with described ground floor plastic passages and is communicated with, described second layer charging aperture 412 is arranged on described connector 49 and passes described lining 44 and is communicated with described second layer plastic passages, described the 3rd layer of charging aperture 413 is arranged on described connector 49 and passes successively described lining 44 and described outer diversion sleeve 482 is communicated with described three-layer plastic runner, described the 4th layer of charging aperture 414 is arranged on described connector 49 and passes successively described lining 44, described outer diversion sleeve 482 and described middle level diversion sleeve 481 are communicated with described the 4th layer of plastic passages.The described bottom of carrying core bar 1 is passed described plug 43 and is fixedly connected with described moulding die orifice; Described moulding die orifice comprises the core 51 that is fixedly connected with the described bottom of carrying core bar 1, the outer mouth mould 52 that matches and be fixedly connected with described material feeding storing die body that is provided with of described core 51, can be directly by pulling, carry core bar 1 and regulate the gap length between core 51 and mouthful mould 52, thereby reach the purpose that is adjusted to plastic thickness.The bottom of described plug 43 is provided with adjusts thick gathering sill 46, and the degree of depth of the thick gathering sill 46 of described tune is adjusted thick stroke greater than the maximum of the thick die body of described tune, and the top of described core 51 is connected with the thick guide pad 53 of tune with thick gathering sill 46 couplings of described tune.
Operation principle:
the ground floor plastics enter in storage cavity 421 by ground floor charging aperture 411 and with the ground floor plastic passages of the corresponding setting of ground floor charging aperture 411, the 4th layer of plastics enter in storage cavity 421 by the 4th layer of charging aperture 414 and with the 4th layer of plastic passages of the 4th layer of corresponding setting of charging aperture 414, simultaneously, second layer plastics enter into double-deck material base guide channel by second layer charging aperture 412 and with the second layer plastic passages of the corresponding setting of second layer charging aperture 412, three-layer plastic enters into double-deck material base guide channel by the 3rd layer of charging aperture 413 and with the three-layer plastic runner of the 3rd layer of corresponding setting of charging aperture 413, second layer plastics and three-layer plastic enter in storage cavity 421 after double-deck material base guide channel converges, particularly, the ground floor plastics pass the material casing wall and arrive in the ground floor plastic passages that forms between described material cylinder 42 and described material cylinder 42, the 4th layer of plastics pass described connector 49 successively, described lining 44, described outer diversion sleeve 482 and described middle level diversion sleeve 481 arrive in the 4th layer of plastic passages that forms between described plug 43 and described middle level diversion sleeve 481, second layer plastics pass successively described connector 49 and described lining 44 arrives in the second layer plastic passages that forms between described lining 44 and described outer diversion sleeve 482, three-layer plastic passes described connector 49 successively, described lining 44 and described outer diversion sleeve 482 arrive in the three-layer plastic runner that forms between described outer diversion sleeve 482 and described middle level diversion sleeve 481, each layer plastics flow downward along separately plastic passages respectively, storage cavity 421 at material cylinder 42 converges, while there is no plastics, the material plug is positioned at the least significant end of storage cavity 421 in the storage cavity 421 of material cylinder 42, and in the process of filler in the storage cavity 421 of material cylinder 42, core 51 and a mouthful mould 52 are closed.
After when plastics, filling up the storage cavity 421 of material cylinder 42, material feeding piston 32 and material plug be the highest position in material feeding oil cylinder 31 and material cylinder 42 respectively, it is the position shown in Fig. 3, by hydraulic system effect material feeding piston 32, move downward, material feeding piston 32 acts on material feeding piston rod 33 and takes over a business on 34, takes over a business 34 and promotes the downward pot plunger of push rod 35, and the plastics in storage cavity 421 move downward, core 51 and a mouthful mould 52 are opened simultaneously, start the moulding plastics container; In the material plug presses to the process of material feeding, adjust thick piston 22 meetings constantly by exchanging thick piston rod 23 application of forces, and then pull and carry core bar 1 and move up and down to regulate the gap between core 51 and mouthful mould 52, the purpose that realizes regulating material base thickness, then make product by air blowing, pressurize, typing.
The present invention can produce the container with four layers of plastic layer, and can guarantee that each layer plastic layer is even, and the plastic containers quality of production is good, long service life.
Above demonstration 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 in above-described embodiment and specification, describes 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 (9)
1. four layers of plastic hollow formation machine head, comprise that die body, material feeding storing die body and moulding die orifice are regulated in the stacked and thick die body of tune that be fixed together, material feeding successively; Also comprise the core bar of carrying that runs through the thick die body of described tune, 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; It is characterized in that:
described material feeding storing die body comprises the ground floor charging aperture, second layer charging aperture, the 3rd layer of charging aperture and the 4th layer of charging aperture, the be provided with ground floor plastic passages that ground floor material base imported to described moulding die orifice corresponding to described ground floor charging aperture, the be provided with second layer plastic passages that second layer material base imported to described moulding die orifice corresponding to described second layer charging aperture, with the corresponding three-layer plastic runner that the 3rd layered material base is imported to described moulding die orifice that is provided with of described the 3rd layer of charging aperture, be provided with four layer plastic passages four layered material base being imported to described moulding die orifice corresponding to described the 4th layer of charging aperture.
2. four layers of plastic hollow formation machine head as claimed in claim 1, it is characterized in that: the thick die body of described tune comprises adjusts thick cylinder, in the thick cylinder of described tune, be equipped with and adjust thick piston, the thick piston of described tune to be fixedly connected with the thick piston rod of tune, the thick piston rod of described tune is fixedly connected with the described core bar of carrying.
3. four layers of plastic hollow formation machine 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 described material feeding oil cylinder, the 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 extends in described material feeding storing die body.
4. four layers of plastic hollow formation machine head as claimed in claim 1, it is characterized in that: described material feeding storing die body comprises the material cylinder, in described material cylinder, be provided with storage cavity, the top of described material cylinder is installed with connector, in described material cylinder, be provided with plug, described plug passes described connector, in described connector, be installed with the lining of the described plug of ring, middle level diversion sleeve and outer diversion sleeve are installed between described plug and described lining successively, between described middle level diversion sleeve and described plug, be provided with the 4th layer of plastic passages that is communicated with described the 4th layer of charging aperture and described storage cavity, between described middle level diversion sleeve and outer diversion sleeve, be provided with the three-layer plastic runner that is communicated with described the 3rd layer of charging aperture and described storage cavity, between described outer diversion sleeve and lining, be provided with the second layer plastic passages that is communicated with described second layer charging aperture and described storage cavity, described lining is equipped with outward with described material feeding and regulates the material plug that die body is fixedly connected with, in described material plug, be provided with the double-deck material base guide channel that is communicated with described second layer plastic passages and described three-layer plastic runner, between the material casing wall of described material plug and described material cylinder, the material cylinder sleeve is installed, between described material cylinder sleeve and described material casing wall, be provided with the ground floor plastic passages that is communicated with described ground floor charging aperture and described storage cavity, the described bottom of carrying core bar is passed described plug and is fixedly connected with described moulding die orifice.
5. four layers of plastic hollow formation machine head as claimed in claim 4 is characterized in that: the bottom of described plug is provided with adjusts thick gathering sill, and the degree of depth of the thick gathering sill of described tune is adjusted thick stroke greater than the maximum of the thick die body of described tune.
6. four layers of plastic hollow formation machine head as claimed in claim 4, it is characterized in that: described material plug comprises material plug matrix, the inboard of described material plug matrix is installed with material plug junctor, and described double-deck material base guide channel is between described material plug matrix and described material plug junctor.
7. four layers of plastic hollow formation machine head as claimed in claim 4, it is characterized in that: described ground floor charging aperture is arranged on described material casing wall and with described ground floor plastic passages and is communicated with, described second layer charging aperture is arranged on described connector and passes described lining and is communicated with described second layer plastic passages, described the 3rd layer of charging aperture is arranged on described connector and passes successively described lining and described outer diversion sleeve is communicated with described three-layer plastic runner, described the 4th layer of charging aperture is arranged on described connector and passes successively described lining, described outer diversion sleeve and described middle level diversion sleeve are communicated with described the 4th layer of plastic passages.
8. described four layers of plastic hollow formation machine head of claim as arbitrary as claim 1 to 7, it is characterized in that: described moulding die orifice comprises the core that is fixedly connected with the described bottom of carrying core bar, and described core is provided with the mouth mould that matches and be fixedly connected with described material feeding storing die body outward.
9. four layers of plastic hollow formation machine head as claimed in claim 8 is characterized in that: the top of described core is connected with adjusts thick guide pad.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103706962A CN103395186A (en) | 2013-08-23 | 2013-08-23 | Hollow molding machine head for four-layer plastic |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103706962A CN103395186A (en) | 2013-08-23 | 2013-08-23 | Hollow molding machine head for four-layer plastic |
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| CN103395186A true CN103395186A (en) | 2013-11-20 |
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| CN2013103706962A Pending CN103395186A (en) | 2013-08-23 | 2013-08-23 | Hollow molding machine head for four-layer plastic |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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2013
- 2013-08-23 CN CN2013103706962A patent/CN103395186A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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Application publication date: 20131120 |