CN201195387Y - Mould head of trilaminar extrusion-blow shaping apparatus - Google Patents
Mould head of trilaminar extrusion-blow shaping apparatus Download PDFInfo
- Publication number
- CN201195387Y CN201195387Y CNU2008200858455U CN200820085845U CN201195387Y CN 201195387 Y CN201195387 Y CN 201195387Y CN U2008200858455 U CNU2008200858455 U CN U2008200858455U CN 200820085845 U CN200820085845 U CN 200820085845U CN 201195387 Y CN201195387 Y CN 201195387Y
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- CN
- China
- Prior art keywords
- runner
- die head
- baffle
- extrusion
- die
- 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
Links
- 238000007493 shaping process Methods 0.000 title description 2
- 238000001125 extrusion Methods 0.000 claims abstract description 21
- 238000010101 extrusion blow moulding Methods 0.000 claims abstract description 21
- 208000004141 microcephaly Diseases 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000004033 plastic Substances 0.000 description 9
- 229920003023 plastic Polymers 0.000 description 9
- 230000004927 fusion Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 239000004743 Polypropylene Substances 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 208000005168 Intussusception Diseases 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
A die head of a three-layer extrusion blow molding machine comprises more than one extrusion die head, the die head is equipped with a feed opening which respectively connected with three screw bolts, the die head comprises a die head main body, the lower end of the die head main body is connected with a die, the center of the die is equipped with a core die, the core die and the die form an extrusion opening. The die head of a three-layer extrusion blow molding machine is characterized in that the die head main body is internally equipped with a guiding object I and a guiding object III, the guiding object I is equipped with steps, a small head under the steps is sleeved in a central hole III of the guiding object III, the outer wall of the small head is equipped with a guiding groove I and a vertical flow passage I, a large head is equipped with a transverse flow passage I, a central hole I of the guiding object I is internally equipped with a guiding object II, the outer wall of the guiding object II is equipped with a guiding groove II and a vertical flow passage II, the upper end of the guiding groove II is communicated with a feed opening I, the upper portion of the guiding III is equipped with a transverse flow passage III, the transverse flow passage III is communicated with the guiding groove I and a feed opening II, the outer wall of the lower portion of the guiding object III is equipped with a guiding groove III and a vertical flow passage III, the upper end of the guiding groove III is communicated with a feed opening III, and the vertical flow passage I, the vertical flow passage II and the vertical flow passage III are converged to communicate with the extrusion opening.
Description
Technical field
The utility model relates to the plastic hollow vessel extrusion blow molding machine, particularly relates to the die head of three layers of extrusion blow molding machine, belongs to the plastics machinery field.
Background technology
Extrusion blow hollow plastic make-up machine is the capital equipment that hollow container (as mineral water bottle, beverage bottle, medicine bottle, bottle for cosmetics etc.) is shaped, and it extrudes bottle base by die head earlier, bottle base is put in the mould, by the inflatable body blow molding again.For intensity, chemical-resistance and the anti-gas barrier properties that increase goods, usually adopt two-layer or three layers of different plastic material are made, promptly adopt two or three screw rods to extrude different melting plastics respectively, two kinds or three kinds of melting plastics enter in the die head, the extrusion modling of one deck cover one deck, but existing three layers of extrusion blow molding machine are the single mode heads, once can only extrude one, and operating efficiency is low.
Summary of the invention
The purpose of this utility model is in order to overcome the shortcoming that prior art exists, a kind of product strength height that molds to be provided, and layers of material is evenly distributed, and the die head of the high three layers of extrusion blow molding machine of shaping efficiency.
The technical scheme of the die head of three layers of extrusion blow molding machine of the utility model is: comprise more than one extrusion die, die head is provided with charging aperture and connects three screw rods respectively, die head comprises die body, die body lower end connector mould, mouth mould central authorities are provided with core, gap between core and mouthful mould forms the extrusion of annular, it is characterized in that installing in the described die body baffle first and baffle third, the baffle first is shaped on step, microcephaly below the step is inserted in the mesopore third of baffle third, microcephaly's outer wall is shaped on guiding gutter first and the vertical runner first that communicates, major part is shaped on the transverse flow channels first, in the mesopore first of baffle first baffle second is housed, baffle second outer wall is shaped on guiding gutter second and the vertical runner second that communicates, and the upper end of guiding gutter second communicates with the charging armatine through the transverse flow channels first; Baffle third top is shaped on transverse flow channels the third, and transverse flow channels third is communicated with guiding gutter first and charging aperture second, and the baffle third bottom outer wall is shaped on guiding gutter third and the vertical runner the third that communicates, and the upper end of guiding gutter third is communicated with charging aperture third; Vertical runner first, vertical runner second and vertical runner third converge the connection extrusion at the core outer wall.
The die head of three layers of extrusion blow molding machine of the present utility model, three baffle first are arranged, second, third, the baffle first, second, the third inside and outside intussusception, each baffle is shaped on guiding gutter and vertical runner, form three creeping passages, be internal layer creeping passage (its path is: the charging armatine---transverse flow channels first---guiding gutter second---vertical runner second), middle level creeping passage (its path is: charging aperture second---transverse flow channels third---and the guiding gutter first---vertical runner first) and outer creeping passage (its path is: charging aperture third---guiding gutter third---vertically runner third), outer creeping converges in vertical runner first outlet with the middle level creeping earlier, converge with the internal layer creeping to vertical runner second outlet again, extrude from extrusion together after converging for three layers, layers of material is evenly distributed, and after layers of material adopts different plastic materials, meet the different needs, adopt polypropylene to mix as internal layer and middle level with the elastomeric material of different proportion, make internal layer nontoxic, inertia, has good heat sealability and elasticity, skin is higher polyester of mechanical strength or polypropylene material, and surface text printout after treatment is comparatively clear; Perhaps internal layer adopts the composite material of polypropylene and styrene one ethene one butylene one styrol copolymer, and styrene is adopted in the middle level, has more increased the permeability resistance and the elasticity of film material, the outer polypropylene material or the like that adopts.
The die head of three layers of extrusion blow molding machine of the present utility model, its described charging armatine, second, third connect three screw rods through runner compoboard first, second, third respectively, runner compoboard first, second, third comprises main flow guidance tape and secondary flow guidance tape respectively, the main flow guidance tape is shaped on sprue, sprue is communicated with screw rod, the secondary flow guidance tape is shaped on runner, and runner is communicated with sprue and charging aperture, and the quantity of runner is consistent with the quantity of die head.After three kinds of creepings that come out from three screw rods are shunted by runner compoboard first, second, third, be transported in the baffle of each die head, thereby extrude the compound goods of interior, domestic and abroad three-layer plastic at the extrusion of each die head.Its described secondary flow guidance tape comprises more than one or two or two, sub-runner on lower floor's secondary flow guidance tape communicates with father's runner of upper strata secondary flow guidance tape, can tell two runners from sprue, runner two minutes four again, four minutes eight etc., can realize that the multimode head works simultaneously, increase work efficiency greatly.Between its described die body and the baffle third spacer is housed.Its described guiding gutter first, second, third is last straight trough and following spiral fluted combination slot, and creeping owing to form fusion line easily in straight trough, through behind the helicla flute, can be eliminated fusion line through helicla flute under the very fast arrival of last straight trough.Its described vertical runner first, second, third is the step trough at concavo-convex interval, and step trough can push creeping, thereby eliminates fusion line, and strengthens the intensity of fusion place.Its described extrusion is equipped with deflection cone outward, and deflection cone helps three layers of smooth flowing forming of creeping.Outside its described die body, mouthful mould and runner compoboard first, the second, third heating plate is housed respectively, heating plate can guarantee the temperature of creeping, helps flowing fast.
Description of drawings
Fig. 1 is the cross-sectional schematic of the die head of three layers of extrusion blow molding machine of the utility model;
Fig. 2 is the schematic rear view of the die head of three layers of extrusion blow molding machine of the utility model;
Fig. 3 is A-A cross-sectional schematic of Fig. 1;
Fig. 4 is the structural representation of baffle first;
Fig. 5 is the structural representation of baffle second;
Fig. 6 is the structural representation of baffle third.
The specific embodiment
The utility model discloses a kind of die head of three layers of extrusion blow molding machine, as Fig. 1, shown in Figure 2, comprise more than one extrusion die, die head is shaped on charging aperture and connects three screw rods respectively, die head comprises die body 11, die body lower end connector mould 12, mouth mould central authorities are provided with core 13, gap between core 13 and mouthful mould 12 forms the extrusion 14 of annular, it is characterized in that installing in the described die body 11 baffle first 2 and baffle the third 4, the baffle first is shaped on step 21, microcephaly below the step is inserted in the mesopore the third 41 of baffle third, microcephaly's outer wall is shaped on guiding gutter first 22 and the vertical runner first 23 that communicates, major part is shaped on transverse flow channels first 24, in the mesopore first 25 of baffle first baffle second 3 is housed, baffle second outer wall is shaped on guiding gutter second 31 and the vertical runner second 32 that communicates, and the upper end of guiding gutter second 31 communicates with charging armatine 51 through transverse flow channels first 24; Baffle the third 4 tops are shaped on transverse flow channels the third 42, and transverse flow channels third is communicated with guiding gutter first 22 and charging aperture second 52, and baffle the third 4 bottom outer walls are shaped on the guiding gutter that communicates the third 43 and vertical runner the third 44, and the upper end of guiding gutter the third 43 is communicated with charging aperture the third 53; Vertical runner first 23, vertical runner second 32 and vertical runner the third 44 converge at core 13 outer walls and are communicated with extrusion 14.Baffle first, second, third concrete structure such as Fig. 4-shown in Figure 6.The baffle first, second, the third 2,3,4 inside and outside intussusceptions, each baffle is shaped on guiding gutter and vertical runner, form three creeping passages, be internal layer creeping passage (its path is: charging armatine 51---transverse flow channels first 24---guiding gutter second 31---vertical runner second 32), middle level creeping passage (its path is: charging aperture second 52---transverse flow channels the third 42---and guiding gutter first 22---vertical runner first 23) and outer creeping passage (its path is: charging aperture the third 53---guiding gutter the third 43---vertically runner the third 44), outer creeping converges in vertical runner first 23 outlets with the middle level creeping earlier, converge with the internal layer creeping to 32 outlets of vertical runner second again, extrude from extrusion 14 together after converging for three layers.Its described charging armatine, second, the third 51,52,53 respectively through runner compoboard first, second, the third 61,62,63 connect three screw rods, as shown in Figure 3, runner compoboard first, second, third comprises main flow guidance tape 7 and secondary flow guidance tape 8 respectively, the main flow guidance tape is shaped on sprue 71, sprue is communicated with screw rod, secondary flow guidance tape 8 is shaped on runner 81, runner is communicated with sprue and charging aperture, the quantity of runner is consistent with the quantity of die head, three kinds of creepings that come out from three screw rods pass through runner compoboard first, second, the third 61,62,63 shunt after, be transported in the baffle of each die head, thereby in the extrusion 14 of each die head is extruded, in, the goods that outer three-layer plastic is compound.Its described secondary flow guidance tape comprises more than one or two or two, sub-runner on lower floor's secondary flow guidance tape communicates with father's runner of upper strata secondary flow guidance tape, can tell two runners from sprue 71, each bar runner can be told two again to lower floor's secondary flow guidance tape, again four minutes eight, eight minutes 16 etc. thus, can realize that the multimode head works simultaneously, increase work efficiency greatly.Between its described die body 11 and the baffle the third 4 spacer 9 is housed.Its described guiding gutter first, second, the third 22,31,43 is last straight trough and following spiral fluted combination slot, and creeping owing to form fusion line easily in last straight trough, helicla flute after, can be eliminated fusion line under the process through the very fast arrival helicla flute of straight trough.Its described vertical runner first, second, the third 23,32,44 is the step trough at concavo-convex interval, and step trough can push creeping, thereby eliminates fusion line, and strengthens the intensity of fusion place.Outside its described extrusion 14 deflection cone 10 is housed, deflection cone helps three layers of smooth flowing forming of creeping.Its described die body 11, mouthful mould 12 and runner compoboard first, second, the third 61,62,63 are equipped with heating plate 18 respectively outward, and heating plate can guarantee the temperature of creeping, helps flowing fast.
Claims (8)
1. the die head of three layers of extrusion blow molding machine, comprise more than one extrusion die, die head is shaped on charging aperture and connects three screw rods respectively, die head comprises die body (11), die body lower end connector mould (12), mouth mould central authorities are provided with core (13), gap between core (13) and mouthful mould (12) forms the extrusion (14) of annular, it is characterized in that installing in the described die body (11) baffle first (2) and baffle third (4), the baffle first is shaped on step (21), microcephaly below the step is inserted in the mesopore third (41) of baffle third, microcephaly's outer wall is shaped on guiding gutter first (22) and the vertical runner first (23) that communicates, major part is shaped on transverse flow channels first (24), in the mesopore first (25) of baffle first baffle second (3) is housed, baffle second outer wall is shaped on guiding gutter second (31) and the vertical runner second (32) that communicates, and the upper end of guiding gutter second (31) communicates with charging armatine (51) through transverse flow channels first (24); Baffle third (4) top is shaped on transverse flow channels third (42), transverse flow channels third is communicated with guiding gutter first (22) and charging aperture second (52), baffle third (4) the bottom outer wall is shaped on guiding gutter third (43) and the vertical runner third (44) that communicates, and the upper end of guiding gutter third (43) is communicated with charging aperture third (53); Vertical runner first (23), vertical runner second (32) and vertical runner third (44) converge at core (13) outer wall and are communicated with extrusion (14).
2. the die head of three layers of extrusion blow molding machine as claimed in claim 1, it is characterized in that described charging armatine, second, third (51,52,53) connect three screw rods through runner compoboard first, second, third (61,62,63) respectively, runner compoboard first, second, third comprises main flow guidance tape (7) and secondary flow guidance tape (8) respectively, the main flow guidance tape is shaped on sprue (71), sprue is communicated with screw rod, secondary flow guidance tape (8) is shaped on runner (81), runner is communicated with sprue and charging aperture, and the quantity of runner is consistent with the quantity of die head.
3. the die head of three layers of extrusion blow molding machine as claimed in claim 2 is characterized in that described secondary flow guidance tape comprises more than one or two or two, and the sub-runner on lower floor's secondary flow guidance tape communicates with the secondary runner of upper strata secondary flow guidance tape.
4. the die head of three layers of extrusion blow molding machine as claimed in claim 1 is characterized in that between described die body (11) and the baffle third (4) spacer (9) being housed.
5. the die head of three layers of extrusion blow molding machine as claimed in claim 1 is characterized in that described guiding gutter first, second, third (22,31,43) is last straight trough and following spiral fluted combination slot.
6. the die head of three layers of extrusion blow molding machine as claimed in claim 1 is characterized in that described vertical runner first, second, third (23,32,44) are the step trough at concavo-convex interval.
7. the die head of three layers of extrusion blow molding machine as claimed in claim 1 is characterized in that the outer deflection cone (10) that is equipped with of described extrusion (14).
8. the die head of three layers of extrusion blow molding machine as claimed in claim 1 is characterized in that the outer heating plate (18) that is equipped with respectively of described die body (11), mouthful mould (12) and runner compoboard first, second, third (61,62,63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200858455U CN201195387Y (en) | 2008-04-15 | 2008-04-15 | Mould head of trilaminar extrusion-blow shaping apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200858455U CN201195387Y (en) | 2008-04-15 | 2008-04-15 | Mould head of trilaminar extrusion-blow shaping apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201195387Y true CN201195387Y (en) | 2009-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200858455U Expired - Fee Related CN201195387Y (en) | 2008-04-15 | 2008-04-15 | Mould head of trilaminar extrusion-blow shaping apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201195387Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101898414A (en) * | 2009-05-27 | 2010-12-01 | 苏州华王机械有限公司 | Blow-molding die head for blow-molding machine |
| CN102689432A (en) * | 2012-05-21 | 2012-09-26 | 瑞安市金达包装机械制造有限公司 | Multi-channel flow dividing rotating body for film blowing machine |
| CN104191593A (en) * | 2014-08-07 | 2014-12-10 | 张家港市普信机械有限公司 | Novel die head of blow molding machine |
| CN105216266A (en) * | 2015-10-29 | 2016-01-06 | 潍坊市华玉塑料机械有限公司 | Single accumulator formula five-layer co-squeezing plastic hollow molding die |
| CN107073798A (en) * | 2014-09-24 | 2017-08-18 | 帝斯克玛股份有限公司 | Apparatus for blow moulding |
-
2008
- 2008-04-15 CN CNU2008200858455U patent/CN201195387Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101898414A (en) * | 2009-05-27 | 2010-12-01 | 苏州华王机械有限公司 | Blow-molding die head for blow-molding machine |
| CN102689432A (en) * | 2012-05-21 | 2012-09-26 | 瑞安市金达包装机械制造有限公司 | Multi-channel flow dividing rotating body for film blowing machine |
| CN104191593A (en) * | 2014-08-07 | 2014-12-10 | 张家港市普信机械有限公司 | Novel die head of blow molding machine |
| CN107073798A (en) * | 2014-09-24 | 2017-08-18 | 帝斯克玛股份有限公司 | Apparatus for blow moulding |
| US10377075B2 (en) | 2014-09-24 | 2019-08-13 | Discma Ag | Blow molding apparatus |
| CN105216266A (en) * | 2015-10-29 | 2016-01-06 | 潍坊市华玉塑料机械有限公司 | Single accumulator formula five-layer co-squeezing plastic hollow molding die |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG DONGFANG ZHOUQIANG MOLD INDUSTRY CO., LTD Free format text: FORMER OWNER: SHI JINHENG Effective date: 20100720 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 318020 ZHEJIANG DONGFANG ZHOUQIANG MOLD INDUSTRY CO., LTD., EAST OF JINGSI ROAD, WEST INDUSTRY PARK, HUANGYAN DISTRICT, TAIZHOU CITY, ZHEJIANG PROVINCE TO: 318020 EAST OF JINGSI ROAD, WEST INDUSTRIAL PARK, HUANGYAN ECONOMIC DEVELOPMENT ZONE, TAIZHOU CITY, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100720 Address after: 318020 West Industrial Zone, Huangyan Economic Development Zone, Taizhou, Zhejiang Province, four East Patentee after: Zhejiang East Zhouqiang Plastic & Mould Industry Co., Ltd. Address before: The West Industrial Park of Huangyan District of Taizhou City, Zhejiang province 318020 four Road East Zhejiang East Zhouqiang plastic mould Co. Patentee before: Shi Jinheng |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090218 Termination date: 20170415 |