CN102107523B - Horizontal type blow molding die for automobile oil tube and blow molding method thereof - Google Patents

Horizontal type blow molding die for automobile oil tube and blow molding method thereof Download PDF

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Publication number
CN102107523B
CN102107523B CN 201010554689 CN201010554689A CN102107523B CN 102107523 B CN102107523 B CN 102107523B CN 201010554689 CN201010554689 CN 201010554689 CN 201010554689 A CN201010554689 A CN 201010554689A CN 102107523 B CN102107523 B CN 102107523B
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CN
China
Prior art keywords
counterdie
patrix
die
oil pipe
blow molding
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CN 201010554689
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Chinese (zh)
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CN102107523A (en
Inventor
张修恩
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宁波方正汽车模具有限公司
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Priority to CN 201010554689 priority Critical patent/CN102107523B/en
Publication of CN102107523A publication Critical patent/CN102107523A/en
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Publication of CN102107523B publication Critical patent/CN102107523B/en

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Abstract

The invention discloses a horizontal type blow molding die for an automobile oil tube and a blow molding method thereof. The horizontal type blow molding die comprises an upper die (1) and a lower die (2). In the technical scheme, the blow molding method comprises the following steps of: manufacturing the blow molding die to form two coincidental dies which are arranged horizontally and correspond up and down; when the blow molding die operates, lifting the upper die, moving the lower die out horizontally to load tubular blanks; restoring the lower die restores, pressing the upper die to close the die, blowing air to the tubular blanks for bubbling, and maintaining pressure and cooling, so that the blanks are formed to form a hollow oil tube product; and opening the die, clamping the product to lift upwards by the upper die, moving the lower die out horizontally, and allowing the upper die to release the product, so that the product drops to demold. In the horizontal type blow molding die for the automobile oil tube, due to the adoption of the horizontal die, the tubular blanks are put into a curved cavity of the lower die conveniently according to the shape of the oil tube product, and are formed without generating flashes; and thus, the defects of treating the flashes by a vertical die are overcome, and the blow molding of the automobile oil tube fulfills the aims of improving quality, saving raw materials, reducing cost, saving energy and reducing energy consumption.

Description

The horizontal blow molding mold of automobile oil pipe and blow molding method thereof
Technical field
The present invention relates to a kind of blow molding mould, specifically refer to horizontal blow molding mold and blow molding method thereof with a kind of automobile oil pipe of horizontal blow molding mode formed automobile oil pipe.
Background technology
The blow molding of prior art automobile oil pipe follows the mode of vertical blow molding plastic bottle, vertical blow molding plastic bottle is, the molten plastic that extruder is extruded is blown out diameter less than the tubular bubble-shaped blank of finished product plastic bottle diameter through the air blowing die head, bubble is by gravity sag, two slit bamboo or chopped woods of closing the symbol mould that embed vertical unit are provided with in the die cavity of bottle profile, close symbol mould matched moulds, again through blowing, the bubble wall of heaving bubble is attached on the mold cavity wall, through cooling, bubble is shaped to the plastic bottle of hollow; It is in order to utilize gravity that bubble is naturally drooped that plastic bottle adopts vertical blow molding, be convenient to bubble and embed the moulding of mould matched moulds, yet, because automobile oil pipe is crooked, its view field is widely greater than its entity projection size, the bubble blank follows vertical blow molding oil pipe so that must cover the view field of oil pipe goods, after the matched moulds moulding, be linked to be whole large-area overlap in oil pipe entity two sides by what the mould die joint formed, thereby need again by shaving die excision overlap, stay cut channel at the oil pipe goods behind the cutting burrs, the overlap that downcuts then is conveyed to pulverizing, granulation is processed, and makes the reworked material degradation and use.The overlap cut channel not only affects the presentation quality of oil pipe, because of cut channel place tube wall became uneven, also affects the mechanical strength quality of vitta structure, and damaged leakage accident in use easily occurs; In addition, the regeneration of overlap is processed and have been increased energy consumption, and the reworked material degradation makes the virgin material loss serious, has increased the goods cost; Therefore, prior art exists that quality is bad, leakage accident hidden danger, cost occupies problems and shortcomings high, that energy consumption is large, wastage of material is serious.
Summary of the invention
Problems and shortcomings for above-mentioned prior art existence, up and down two slit bamboo or chopped woods of correspondence that the present invention's employing is made the Horizontal type arrangement with blow molding mould are closed Fu Mo, the counterdie level shifts out during packaging blank, extrude molten plastic by extruder and blow out diameter less than the hollow tubular blank of finished product oil pipe through the air blowing die head, by manipulator the hollow tubular blank is inserted in the die cavity of counterdie by crooked oil pipe article shape setting, counterdie resets during matched moulds, patrix presses down corresponding matched moulds, through in tubular blank, blowing again, the walls of heaving blank is attached on the wall of mold cavity, through cooling, bubble is shaped to the oil pipe goods of hollow, die sinking, patrix clamping oil pipe goods upwards rise, the counterdie level shifts out, patrix unclamps the oil pipe goods, the technical scheme of the oil pipe goods whereabouts demoulding, a kind of horizontal blow molding mold and blow molding method thereof of automobile oil pipe are provided, being intended to utilize horizontal die to be convenient to tubular blank inserts in the die cavity of counterdie bending by the oil pipe article shape, do not produce overlap during moulding, many drawbacks of having avoided vertical die forming processes overlap to bring make the blow molding of automobile oil pipe reach the raising quality, economize in raw materials, reduce cost, energy-saving and cost-reducing purpose.
The object of the present invention is achieved like this: a kind of horizontal blow molding mold of automobile oil pipe and blow molding method thereof, comprise upper die and lower die and blow molding method, wherein: described patrix is fixed on the first half of the horizontal blow molding mold that moves up and down on the vertical lifting work table above the horizontal blow moulding machine when being work; The lower surface of patrix is provided with first slit bamboo or chopped wood die cavity that coincide with the first half outer wall shape of the oil pipe goods of bending; First slit bamboo or chopped wood die cavity two sides that are positioned at patrix are arranged with the demoulding folder that some movable sliders that driven by cylinder separately consist of, and the contact-making surface of demoulding folder and oil pipe goods is provided with the shape face identical with oil pipe goods two side outer wall shapes; Be positioned at two ends of first slit bamboo or chopped wood die cavity of patrix, an end is provided with the blowing needle other end and is provided with exhaust needle, and respectively by blow needle cylinder and row's pin air cylinder driven; Two ends that are positioned at first slit bamboo or chopped wood die cavity of patrix are provided with mechanism in the port extrusion modling of the oil pipe goods that the shape face slide block by some hydraulic oil cylinder driving consists of;
Described counterdie is fixed on the latter half that moves horizontally the horizontal blow molding mold of doing the left and right horizontal motion on the workbench below the horizontal blow moulding machine when being work; The upper surface of counterdie is provided with second slit bamboo or chopped wood die cavity that coincide with the Lower Half outer wall shape of the oil pipe goods of bending, and corresponding up and down with first slit bamboo or chopped wood die cavity of described patrix; Corresponding position be provided with the demoulding and pressing from both sides the chute that is slidingly matched up and down with the demoulding of described patrix folder on the counterdie; Two ends that are positioned at second slit bamboo or chopped wood die cavity under the patrix are provided with mechanism under the port extrusion modling of the oil pipe goods that the shape face slide block by some hydraulic oil cylinder driving consists of.
Described blow molding method (operation principle)
Patrix is fixedly mounted on the vertical lifting work table above the horizontal blow moulding machine, and counterdie is fixedly mounted on moving horizontally on the workbench below the horizontal blow moulding machine;
Step 1,
Patrix upwards rises and separates with counterdie, the counterdie level is outwards removed, extrude molten plastic by extruder and blow out diameter less than the hollow tubular blank of oil pipe goods through the air blowing die head, clamp rapidly hollow tubular blank two ends by manipulator and the hollow tubular blank is inserted in second slit bamboo or chopped wood die cavity of counterdie;
Step 2,
The counterdie horizontal reset, patrix descends and the counterdie matched moulds, the closed wedging of demoulding folder is pressed from both sides the bottom that the corresponding chute that is slidingly matched blocks the hollow tubular blank from counterdie and the demoulding, blowing needle and exhaust needle insert respectively the inner chamber of hollow tubular blank, blowing needle is blown into compressed air from an end of hollow tubular blank to the inner chamber of hollow tubular blank, exhaust needle is from air capacity from the inner chamber of the hollow tubular blank outwards exhaust of the other end to be blown into less than blowing needle of hollow tubular blank, with the malleation in the inner chamber that keeps the hollow tubular blank, and remain the inner chamber of malleation permeate gas stream hollow tubular blank, the hollow tubular blank heaved be attached on the die cavity wall that second slit bamboo or chopped wood die cavity matched moulds by first slit bamboo or chopped wood die cavity of patrix and counterdie surrounds, meanwhile, be arranged on mechanism's extruding is progressively heaved under the mechanism and the port extrusion modling that is arranged on counterdie in the port extrusion modling of patrix hollow tubular blank with the port of moulding oil pipe goods; So pressurize cooling oil pipe goods typing in ten seconds;
Step 3,
Close blowing needle and exhaust needle valve, two ends of blowing needle and the exhaust needle oil pipe goods from the die cavity that still is in the upper die and lower die matched moulds and surrounds are extracted out, be arranged in the port extrusion modling of patrix that mechanism's rollback resets under the mechanism and the port extrusion modling that is arranged on counterdie, the clamping of the demoulding of patrix folder the oil pipe goods and is upwards risen and separate with counterdie, the counterdie level is outwards removed, demoulding folder unclamps, and the oil pipe goods fall by manually shifting out blow molding machine by free gravity;
Manipulator is inserted the hollow tubular blank in second slit bamboo or chopped wood die cavity of counterdie again, and mould enters the next round blow-moulding process, so goes round and begins again.
Beneficial effect
Adopting horizontal die to be conducive to manipulator directly packs diameter in second slit bamboo or chopped wood die cavity of bending of counterdie less than the hollow tubular blank of oil pipe goods diameter, in the matched moulds die cavity, finish blow molding, do not produce overlap during moulding, thereby form many drawbacks that overlap brings when having avoided the vertical die moulding.
Above-mentioned, up and down two slit bamboo or chopped woods of correspondence that the present invention's employing is made the Horizontal type arrangement with blow molding mould are closed Fu Mo, the counterdie level shifts out during packaging blank, extrude molten plastic by extruder and blow out diameter less than the hollow tubular blank of finished product oil pipe through the air blowing die head, by manipulator the hollow tubular blank is inserted in the die cavity of counterdie by crooked oil pipe article shape setting, counterdie resets during matched moulds, patrix presses down corresponding matched moulds, through in tubular blank, blowing again, the walls of heaving blank is attached on the wall of mold cavity, through cooling, bubble is shaped to the oil pipe goods of hollow, die sinking, patrix clamping oil pipe goods upwards rise, the counterdie level shifts out, patrix unclamps the oil pipe goods, the technical scheme of the oil pipe goods whereabouts demoulding, having overcome prior art exists quality bad, leakage accident hidden danger, cost occupies high, energy consumption is large, the problems and shortcomings that wastage of material is serious, the horizontal blow molding mold of a kind of automobile oil pipe that provides and blow molding method thereof, utilizing horizontal die to be convenient to tubular blank inserts in the die cavity of counterdie bending by the oil pipe article shape, do not produce overlap during moulding, many drawbacks of having avoided vertical die forming processes overlap to bring make the blow molding of automobile oil pipe reach the raising quality, economize in raw materials, reduce cost, energy-saving and cost-reducing purpose.
Description of drawings
Fig. 1 is the theory structure schematic diagram of the horizontal blow molding mold of automobile oil pipe of the present invention;
Fig. 2 is the horizontal blow molding mold of automobile oil pipe of the present invention, is operated in patrix and rises, and counterdie is removed, and the hollow tubular blank is inserted the principle schematic of tense in second slit bamboo or chopped wood die cavity of counterdie;
Fig. 3 is the horizontal blow molding mold of automobile oil pipe of the present invention, is operated in counterdie and resets, the principle schematic of patrix decline and counterdie matched moulds tense;
Fig. 4 is the horizontal blow molding mold of automobile oil pipe of the present invention, is operated in blowing needle and is blown into compressed air in the hollow tubular blank, the principle schematic of the outside exhaust tense of exhaust needle;
Fig. 5 is the horizontal blow molding mold of automobile oil pipe of the present invention, is operated in the principle schematic of oil pipe goods cooling forming tense in mould;
Fig. 6 is the horizontal blow molding mold of automobile oil pipe of the present invention, and the demoulding folder clamping that is operated in patrix the oil pipe goods and upwards risen the principle schematic of separating tense with counterdie;
Fig. 7 is the horizontal blow molding mold of automobile oil pipe of the present invention, is operated in the counterdie level and removes, and demoulding folder unclamps the principle schematic of oil pipe goods whereabouts tense;
Fig. 8 is a kind of elevational schematic view of patrix of practical application mould of the horizontal blow molding mold of automobile oil pipe of the present invention;
Fig. 9 is a kind of schematic top plan view of counterdie of practical application mould of the horizontal blow molding mold of automobile oil pipe of the present invention.
Below in conjunction with the embodiment in the accompanying drawing the present invention is described in further detail, but should not be construed as any limitation of the invention.
Among the figure: mechanism 031, air inlet pipe 04, blast pipe 05 under mechanism 03, the port extrusion modling in patrix 1, demoulding folder 11, blowing needle 12, exhaust needle 13, blow needle cylinder 14, row's pin cylinder 15, counterdie 2, hollow tubular blank 21, oil pipe goods 4, oil cylinder 01, cylinder 02, the port extrusion modling.
The specific embodiment
Consult Fig. 1~Fig. 9, the horizontal blow molding mold of a kind of automobile oil pipe of the present invention and blow molding method thereof, comprise patrix 1, counterdie 2 and blow molding method, wherein: described patrix 1 is fixed on the first half of the horizontal blow molding mold that moves up and down on the vertical lifting work table above the horizontal blow moulding machine during for work; The lower surface of patrix 1 is provided with first slit bamboo or chopped wood die cavity that coincide with the first half outer wall shape of the oil pipe goods 4 of bending; First slit bamboo or chopped wood die cavity two sides that are positioned at patrix 1 are arranged with the demoulding folder 11 that some movable sliders that driven by cylinder separately consist of, and demoulding folder 11 is provided with the shape face that coincide with oil pipe goods 4 two side outer wall shapes with the contact-making surface of oil pipe goods 4; Be positioned at two ends of first slit bamboo or chopped wood die cavity of patrix 1, an end is provided with blowing needle 12 other ends and is provided with exhaust needle 13, and is driven by blow needle cylinder 14 and row's pin cylinder 15 respectively; Two ends that are positioned at first slit bamboo or chopped wood die cavity of patrix 1 are provided with mechanism 03 in the port extrusion modling of the oil pipe goods 4 that the shape face slide block by some hydraulic oil cylinder driving consists of;
Described counterdie 2 is fixed on the latter half that moves horizontally the horizontal blow molding mold of doing the left and right horizontal motion on the workbench below the horizontal blow moulding machine during for work; The upper surface of counterdie 2 is provided with second slit bamboo or chopped wood die cavity that coincide with the Lower Half outer wall shape of the oil pipe goods 4 of bending, and corresponding up and down with first slit bamboo or chopped wood die cavity of described patrix 1; Corresponding position be provided with and 11 chutes that are slidingly matched are pressed from both sides in the demoulding 11 about with the demoulding of described patrix 1 folder on the counterdie 2; Two ends that are positioned at second slit bamboo or chopped wood die cavity under the patrix are provided with mechanism 031 under the port extrusion modling of the oil pipe goods 4 that the shape face slide block by some hydraulic oil cylinder driving consists of.
Described blow molding method (operation principle)
Patrix 1 is fixedly mounted on the vertical lifting work table above the horizontal blow moulding machine, and counterdie 2 is fixedly mounted on moving horizontally on the workbench below the horizontal blow moulding machine;
Step 1,
Patrix 1 upwards rises and separates with counterdie 2, counterdie 2 levels are outwards removed, extrude molten plastic by extruder and blow out diameter less than the hollow tubular blank 21 of oil pipe goods 4 through the air blowing die head, clamp rapidly hollow tubular blank 21 2 ends by manipulator and hollow tubular blank 21 is inserted in second slit bamboo or chopped wood die cavity of counterdie 2;
Step 2,
Counterdie 2 horizontal resets, patrix 1 descends and counterdie 2 matched moulds, the 11 closed wedgings of demoulding folder are pressed from both sides the bottom that the 11 corresponding chutes that are slidingly matched block hollow tubular blank 21 from counterdie 2 and the demoulding, blowing needle 12 and exhaust needle 13 insert respectively the inner chamber of hollow tubular blank 21, blowing needle 12 is blown into compressed air from an end of hollow tubular blank 21 to the inner chamber of hollow tubular blank 21, exhaust needle 13 is from air capacity from the inner chamber of the hollow tubular blank 21 outwards exhaust of the other end to be blown into less than blowing needle 12 of hollow tubular blank 21, with the malleation in the inner chamber that keeps hollow tubular blank 21, and remain the inner chamber of malleation permeate gas stream hollow tubular blank 21, hollow tubular blank 21 heaved be attached on the die cavity wall that second slit bamboo or chopped wood die cavity matched moulds by first slit bamboo or chopped wood die cavity of patrix 1 and counterdie 2 surrounds, meanwhile, be arranged on mechanism's 031 extruding is progressively heaved under the mechanism 03 and the port extrusion modling that is arranged on counterdie 2 in the port extrusion modling of patrix 1 hollow tubular blank 21 with the port of moulding oil pipe goods 4; So pressurize cooling oil pipe goods 4 typings in ten seconds;
Step 3,
Close blowing needle 12 and exhaust needle 13 valves, two ends of blowing needle 12 and the exhaust needle 13 oil pipe goods 4 from the die cavity that still is in patrix 1 and counterdie 2 matched moulds and surrounds are extracted out, be arranged in the port extrusion modling of patrix 1 that mechanism's 031 rollback resets under the mechanism 03 and the port extrusion modling that is arranged on counterdie 2, the demoulding of patrix 1 is pressed from both sides 11 clampings and oil pipe goods 4 and upwards rise and separate with counterdie 2, counterdie 2 levels are outwards removed, demoulding folder 11 unclamps, and oil pipe goods 4 fall by manually shifting out blow molding machine by free gravity;
Manipulator is inserted hollow tubular blank 21 in second slit bamboo or chopped wood die cavity of counterdie 2 again, and mould enters the next round blow-moulding process, so goes round and begins again.
Beneficial effect
Adopting horizontal die to be conducive to manipulator directly packs diameter in second slit bamboo or chopped wood die cavity of bending of counterdie 2 less than the hollow tubular blank of oil pipe goods diameter, in the matched moulds die cavity, finish blow molding, do not produce overlap during moulding, thereby form many drawbacks that overlap brings when having avoided the vertical die moulding.

Claims (2)

1. the horizontal blow molding mold of an automobile oil pipe, it is characterized in that: comprise patrix (1), counterdie (2), described patrix (1) is fixed on the first half of the horizontal blow molding mold that moves up and down on the vertical lifting work table above the horizontal blow moulding machine during for work; The lower surface of patrix (1) is provided with first slit bamboo or chopped wood die cavity that coincide with the first half outer wall shape of the oil pipe goods (4) of bending; First slit bamboo or chopped wood die cavity two sides that are positioned at patrix (1) are arranged with the demoulding folder (11) that some movable sliders that driven by cylinder separately consist of, and demoulding folder (11) is provided with the shape face that coincide with oil pipe goods (4) two side outer wall shapes with the contact-making surface of oil pipe goods (4); Be positioned at two ends of first slit bamboo or chopped wood die cavity of patrix (1), an end is provided with blowing needle (12) other end and is provided with exhaust needle (13), and is driven by blow needle cylinder (14) and row's pin cylinder (15) respectively; Two ends that are positioned at first slit bamboo or chopped wood die cavity of patrix (1) are provided with mechanism (03) in the port extrusion modling of the oil pipe goods (4) that the shape face slide block by some hydraulic oil cylinder driving consists of;
Described counterdie (2) is fixed on the latter half that moves horizontally the horizontal blow molding mold of doing the left and right horizontal motion on the workbench below the horizontal blow moulding machine during for work; The upper surface of counterdie (2) is provided with second slit bamboo or chopped wood die cavity that coincide with the Lower Half outer wall shape of the oil pipe goods (4) of bending, and corresponding up and down with first slit bamboo or chopped wood die cavity of described patrix (1); Counterdie (2) is upper corresponding position to be provided with the demoulding and to press from both sides the chute that (11) are slidingly matched up and down with the demoulding folder (11) of described patrix (1); Two ends that are positioned at second slit bamboo or chopped wood die cavity under the patrix are provided with mechanism (031) under the port extrusion modling of the oil pipe goods (4) that the shape face slide block by some hydraulic oil cylinder driving consists of.
2. the blow molding method of the horizontal blow molding mold of an automobile oil pipe, it is characterized in that: patrix (1) is fixedly mounted on the vertical lifting work table above the horizontal blow moulding machine, and counterdie (2) is fixedly mounted on moving horizontally on the workbench below the horizontal blow moulding machine;
Step 1,
Patrix (1) upwards rises and separates with counterdie (2), counterdie (2) level is outwards removed, extrude molten plastic by extruder and blow out diameter less than the hollow tubular blank (21) of oil pipe goods (4) through the air blowing die head, clamp rapidly hollow tubular blank (21) two ends by manipulator and hollow tubular blank (21) is inserted in second slit bamboo or chopped wood die cavity of counterdie (2);
Step 2,
Counterdie (2) horizontal reset, patrix (1) descends and counterdie 2 matched moulds, the bottom of hollow tubular blank (21) is blocked in the closed wedging of demoulding folder (11) from counterdie (2) and demoulding folder (11) corresponding chute that is slidingly matched, blowing needle (12) and exhaust needle (13) insert respectively the inner chamber of hollow tubular blank (21), blowing needle (12) is blown into compressed air from an end of hollow tubular blank (21) to the inner chamber of hollow tubular blank (21), exhaust needle (13) is from air capacity from the inner chamber of hollow tubular blank (21) the outwards exhaust of the other end to be blown into less than blowing needle (12) of hollow tubular blank (21), with the malleation in the inner chamber that keeps hollow tubular blank (21), and remain the inner chamber of malleation permeate gas stream hollow tubular blank (21), hollow tubular blank (21) heaved be attached on the die cavity wall that second slit bamboo or chopped wood die cavity matched moulds by first slit bamboo or chopped wood die cavity of patrix (1) and counterdie (2) surrounds, meanwhile, be arranged on mechanism (031) extruding is progressively heaved under the mechanism (03) and the port extrusion modling that is arranged on counterdie (2) in the port extrusion modling of patrix (1) hollow tubular blank (21) with the port of moulding oil pipe goods (4); So ten seconds oil pipe goods (4) of pressurize cooling typing;
Step 3,
Close blowing needle (12) and exhaust needle (13) valve, two ends of blowing needle (12) and exhaust needle (13) the oil pipe goods (4) from the die cavity that still is in patrix (1) and counterdie (2) matched moulds and surrounds are extracted out, be arranged in the port extrusion modling of patrix (1) that mechanism (031) rollback resets under the mechanism (03) and the port extrusion modling that is arranged on counterdie (2), (11) clamping of the demoulding of patrix (1) folder oil pipe goods (4) and is upwards risen and separate with counterdie (2), counterdie (2) level is outwards removed, demoulding folder (11) unclamps, and oil pipe goods (4) fall by manually shifting out blow molding machine by free gravity;
Manipulator is inserted hollow tubular blank (21) in second slit bamboo or chopped wood die cavity of counterdie (2) again, and mould enters the next round blow-moulding process, so goes round and begins again.
CN 201010554689 2010-11-10 2010-11-10 Horizontal type blow molding die for automobile oil tube and blow molding method thereof CN102107523B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010554689 CN102107523B (en) 2010-11-10 2010-11-10 Horizontal type blow molding die for automobile oil tube and blow molding method thereof

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Application Number Priority Date Filing Date Title
CN 201010554689 CN102107523B (en) 2010-11-10 2010-11-10 Horizontal type blow molding die for automobile oil tube and blow molding method thereof

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CN102107523B true CN102107523B (en) 2013-04-10

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106965380A (en) * 2015-08-03 2017-07-21 芜湖瑞德机械科技有限公司 It is molded the mould and application method of hollow tube
CN105904707A (en) * 2016-05-25 2016-08-31 安徽宁国中鼎模具制造有限公司 Pipe mould
CN106426874B (en) * 2016-11-21 2019-04-19 河北亚大汽车塑料制品有限公司 A kind of 3D, 2D blow molding combined process
CN106994774B (en) * 2017-04-28 2019-05-24 宁波方正汽车模具股份有限公司 A kind of tube-cooled stock mould
CN108145950B (en) * 2017-12-22 2020-05-29 亚普汽车部件股份有限公司 Hollow pipe body forming die
CN108162361B (en) * 2017-12-22 2019-12-13 亚普汽车部件股份有限公司 Hollow pipe body forming method

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US3737275A (en) * 1972-01-17 1973-06-05 Owens Illinois Inc Blow needle and valve
US3873661A (en) * 1972-01-17 1975-03-25 Owens Illinois Inc Method of blow molding and exhausting a blown article through the same blow needle
CN201881549U (en) * 2010-11-10 2011-06-29 宁波方正汽车模具有限公司 Horizontal blow molding mold for automobile oil pipe

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JPH0523352A (en) * 1991-07-23 1993-02-02 Nakanishi Shika Kikai Seisakusho:Kk Dental handpiece
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US3737275A (en) * 1972-01-17 1973-06-05 Owens Illinois Inc Blow needle and valve
US3873661A (en) * 1972-01-17 1975-03-25 Owens Illinois Inc Method of blow molding and exhausting a blown article through the same blow needle
CN201881549U (en) * 2010-11-10 2011-06-29 宁波方正汽车模具有限公司 Horizontal blow molding mold for automobile oil pipe

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Address after: 315600 Meilin street, Ningbo City, Ningbo, Zhejiang Province, No. 3 middle road, No. 3

Patentee after: Ningbo Fangzheng automobile mould Limited by Share Ltd

Address before: 315609 Zhejiang province Ninghai County Tashan Industrial Park Qixing Road No. 28

Patentee before: Ningbo Fangzheng Tool Co., Ltd.

CP03 Change of name, title or address