CN110202098A - A kind of casting aluminium alloy wheel hub manufacturing process of spoke side wall groove structure - Google Patents

A kind of casting aluminium alloy wheel hub manufacturing process of spoke side wall groove structure Download PDF

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Publication number
CN110202098A
CN110202098A CN201910453986.0A CN201910453986A CN110202098A CN 110202098 A CN110202098 A CN 110202098A CN 201910453986 A CN201910453986 A CN 201910453986A CN 110202098 A CN110202098 A CN 110202098A
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CN
China
Prior art keywords
mold
lower mould
upper mold
side wall
mould slider
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.)
Pending
Application number
CN201910453986.0A
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Chinese (zh)
Inventor
刘建芳
赵丽红
王利梅
李静
李娟娜
张殿杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
QINHUANGDAO XINGLONG HUB CO Ltd
Original Assignee
QINHUANGDAO XINGLONG HUB CO Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by QINHUANGDAO XINGLONG HUB CO Ltd filed Critical QINHUANGDAO XINGLONG HUB CO Ltd
Priority to CN201910453986.0A priority Critical patent/CN110202098A/en
Publication of CN110202098A publication Critical patent/CN110202098A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22CFOUNDRY MOULDING
    • B22C9/00Moulds or cores; Moulding processes
    • B22C9/22Moulds for peculiarly-shaped castings
    • B22C9/28Moulds for peculiarly-shaped castings for wheels, rolls, or rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D33/00Equipment for handling moulds
    • B22D33/04Bringing together or separating moulds

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

The present invention relates to a kind of casting aluminium alloy wheel hub manufacturing process of spoke side wall groove structure, in which: when mold clamping, upper mold is moved downward; lower mould slider is pushed oblique to move downward in the guiding of guide pin; upper mold and lower die mold, and side mode inwardly moves, and mold completes molding;Molten aluminum injects mold cavity from sprue bush, by several operation stages, casts out aluminum alloy wheel hub casts;When mold is opened; side mode moves out; hub cast is moved upwardly together with upper mold; the spoke side wall groove structure of hub cast drives lower mould slider oblique to move upwards in the guiding of guide pin; when upper mold moves upward to distance to a declared goal; lower mould slider is kept completely separate with hub cast, and upper mold continues up die sinking height, and mold completes die sinking;Ejector beam top lower whorl hub casts simultaneously take out, and cast form process is completed.Its advantage is that: the manufacturing process, which realizes, directly casts out wheel hub spoke side wall groove structure, reduces manufacturing process, improves production efficiency.

Description

A kind of casting aluminium alloy wheel hub manufacturing process of spoke side wall groove structure
Technical field
The invention belongs to the manufactures of the aluminium alloy automobile components in non-ferrous metallurgy field, are related to a kind of spoke side wall groove The casting aluminium alloy wheel hub manufacturing process of structure.
Background technique
The manufacturing process of aluminium alloy wheel hub of vehicle has casting, forging and casting spinning etc..Currently, China has become the world most Big aluminium alloy wheel hub manufacture base, the aluminium alloy wheel hub of manufacture also largely export to foreign countries while meeting domestic demand, are The first in the world aluminium alloy wheel hub exporting country.
But aluminium alloy wheel hub manufacturing technology level is not the first in the world, the aluminum alloy wheel of especially complicated spoke moulding Hub manufacturing process is immature.Such as the groove structure of aluminium alloy wheel hub spoke side wall can not also directly cast out and, but first cast Spoke side wall is produced without the aluminum alloy hub blank of groove structure, then Milling Machining goes out groove structure to work in-process in the heart.This Kind of manufacturing process process is more, low efficiency, at high cost, and is unsuitable for producing in enormous quantities, and the market competitiveness is lower.
Therefore, the casting aluminium alloy wheel hub manufacturing process of research and development spoke side wall groove structure is very necessary, with straight The groove structure for casting out aluminium alloy wheel hub spoke side wall is connect, Milling Machining process is cancelled, improves production efficiency, reduction is produced into This.Improve the technical level of China's aluminium alloy wheel hub manufacturing.
Summary of the invention
The purpose of the present invention is to solve upper present in the manufacturing process of aluminium alloy wheel hub spoke side wall groove structure Technology and efficiency are stated, the casting aluminium alloy wheel hub manufacturing process and its casting die of a kind of spoke side wall groove structure are provided Tool.The groove structure for directly casting out aluminium alloy wheel hub spoke side wall is effectively realized, manufacturing process is reduced, improves production effect Rate.
Technical scheme is as follows:
A kind of casting aluminium alloy wheel hub manufacturing process of spoke side wall groove structure, casting mould mainly include lower die, upper mold, Side mode, upper mold core, spreader, sprue bush, lower mould slider, guide pin etc..Wherein, guide pin passes through the mounting hole of lower mould slider, It is threadedly secured in lower die, cooperates between lower mould slider and guide pin for small―gap suture;It is round between lower mould slider and lower die Curve slope cooperation, lower mould slider can be moved above and below along the arc-shaped inclined-plane of lower die is oblique under the guiding of guide pin;Lower die The outer wall of sliding block processes bulge-structure according to spoke side wall groove structure with the shape;There is limited step in the upper end of guide pin, prevents Lower mould slider skids off lower die.
When the casting mould molds, upper mold is moved downward, and is contacted first with lower mould slider, and lower mould slider is pushed to be oriented to Arc-shaped inclined-plane under the guiding of pin along lower die moves obliquely, when lower mould slider lower end surface and lower die contact after, upper mold with Lower die molding.Then, 4 pieces of uniformly distributed side modes of 90 ° of directions are along mold radial inward movement, after side mode and upper die and lower die contact, Casting mould completes molding.
Molten aluminum is injected from sprue bush, is further separated into mold cavity through spreader, and that realizes hub cast fills type;Using Pressurization, pressure maintaining, the several operation stages of release, and it is aided with the cooling effect of cooling system, cast out aluminum alloy wheel hub casts.
When the casting mould is opened, 4 pieces of uniformly distributed side modes of 90 ° of directions are along mold radial outward movement distance to a declared goal;So Afterwards, upper mold moves upwards, and hub cast is encircled tightly by molding in upper mold, moves upwardly together with upper mold;Hub cast Spoke side wall groove structure drives arc-shaped inclined-plane of the lower mould slider under the guiding of guide pin along lower die to move obliquely, due to Lower mould slider moves the movement that can be decomposed into upward and outward both direction obliquely, move out so that lower mould slider it is outer The spoke side wall groove structure of wall bulge-structure and hub cast is gradually disengaged, when upper mold moves upward to distance to a declared goal, under Mode slider is kept completely separate with hub cast;And since the limited step of guide pin upper end stops, lower mould slider will not be skidded off down Mould;Upper mold continues up die sinking height, and casting mould completes die sinking.
Ejector beam top lower whorl hub casts simultaneously take out, and cast form process is completed.Then the casting mould molds again, into Enter next casting cycle.Hub cast is transferred to finishing operations, the processes such as thermally treated, machining, spraying are final to process For aluminium alloy wheel hub finished product.
The lower mould slider quantity is identical as wheel hub spoke side wall groove structure quantity, and according to spoke side wall groove structure Position is installed in lower die.
The guide pin axis and the angle of mold axis are 40 ° ~ 55 °.
The depth of the spoke side wall groove structure is less than 10mm.
Compared with the prior art, the present invention has the following advantages: the present invention solves the groove knot when front hub spoke side wall Structure can not directly cast out the problem come, and the position of cast moulding method of the present invention, spoke side wall groove structure is quasi- Really, there is no limit do not influence casting production efficiency substantially for moulding.Meanwhile cast moulding method of the present invention without Existing Casting Equipment need to be transformed, mould structure is simple and easy, capital investment very little.
Detailed description of the invention
Fig. 1 is the mold clamping schematic diagram of cast moulding method of the invention;
Fig. 2 is the mold die sinking schematic diagram of cast moulding method of the invention;
Fig. 3 is casting mould lower die and lower mould slider, guide pin scheme of installation of the invention;
Fig. 4 is the aluminum alloy wheel hub casts schematic diagram using manufacturing process of the invention.
In figure: 1, hub cast, 2, lower die, 3, sprue bush, 4, spreader, 5, lower mould slider, 6, guide pin, 7, side mode, 8, upper mold, 9, upper mold core, 10, spoke side wall groove structure.
Specific embodiment
Specific embodiment is described in detail below in conjunction with attached drawing.
It is cast moulding method and its mold schematic diagram of the invention as shown in attached drawing 1,2.Under the mold mainly includes Mould 2, sprue bush 3, spreader 4, lower mould slider 5, guide pin 6, side mode 7, upper mold 8, upper mold core 9.Wherein, guide pin 6 passes through down The mounting hole of mode slider 5 is threadedly secured in lower die 2, is cooperated between lower mould slider 5 and guide pin 6 for small―gap suture;Guiding 6 axis of pin and the angle of mold axis are 40 ° ~ 55 °;It is arc-shaped inclined-plane cooperation between lower mould slider 5 and lower die 2, lower die is sliding Block 5 can be moved above and below along the arc-shaped inclined-plane of lower die 2 is oblique under the guiding of guide pin 6;The outer wall of lower mould slider 5 according to Spoke side wall groove structure 10 processes bulge-structure with the shape;There is limited step in the upper end of guide pin 6, prevents lower mould slider 5 sliding Lower die 2 out;5 quantity of lower mould slider is identical as wheel hub spoke side wall 10 quantity of groove structure, and according to spoke side wall groove structure 10 positions are installed in lower die 2.
The mold clamping state of cast moulding method as shown in Fig. 1, clamping process are as follows: upper mold 8 moves downward, first with Lower mould slider 5 contacts, and arc-shaped inclined-plane of the lower mould slider 5 under the guiding of guide pin 6 along lower die 2 is pushed to move obliquely, when After the lower end surface of lower mould slider 5 is contacted with lower die 2, upper mold 8 and lower die 2 are molded;Then, 4 pieces of uniformly distributed 7 edges of side mode of 90 ° of directions Mold radial inward movement, after side mode 7 and upper mold 8, the contact of lower die 2, casting mould completes molding.
Molten aluminum is injected from sprue bush 3, is further separated into mold cavity through spreader 4, that realizes hub cast 1 fills type;Again By pressurization, pressure maintaining, the several operation stages of release, and it is aided with the cooling effect of cooling system, casts out aluminum alloy wheel hub casts 1.
The mold die opening state of cast moulding method as shown in Fig. 2, is opened process are as follows: 4 pieces of uniformly distributed side modes of 90 ° of directions 7 along mold radial outward movement distance to a declared goal;Then, upper mold 8 moves upwards, and hub cast 1 is encircled tightly by molding in upper mold 8 On, it is moved upwardly together with upper mold 8;The spoke side wall groove structure 10 of hub cast 1 drives lower mould slider 5 in guide pin 6 Arc-shaped inclined-plane under guiding along lower die 2 moves obliquely, due to lower mould slider 5 move obliquely can be decomposed into upwards and to The movement of outer both direction moves out so that the outer wall bulge-structure of lower mould slider 5 and the spoke side wall groove of hub cast 1 Structure 10 is gradually disengaged, and when upper mold 8 moves upward to distance to a declared goal, lower mould slider 5 is kept completely separate with hub cast 1;And Since the limited step of 6 upper end of guide pin stops, lower mould slider 5 will not skid off lower die;It is high that upper mold 8 continues up die sinking Degree, casting mould complete die sinking.
Ejector beam top lower whorl hub casts 1 simultaneously take out, and cast form process is completed.Then the casting mould molds again, Into next casting cycle.Hub cast 1 is transferred to finishing operations, the processes such as thermally treated, machining, spraying, finally It is processed as aluminium alloy wheel hub finished product.
The technology contents that the present embodiment does not describe in detail are the prior art.

Claims (3)

1. a kind of casting aluminium alloy wheel hub manufacturing process of spoke side wall groove structure, casting mould mainly include lower die, upper mold, Side mode, upper mold core, spreader, sprue bush, lower mould slider, guide pin push lower mould slider it is characterized in that: upper mold moves downward It moves downward the guiding of guide pin is oblique, side mode inwardly moves, and mold completes molding;Molten aluminum injects mould type from sprue bush Chamber casts out aluminum alloy wheel hub casts;Side mode moves out, and hub cast is moved upwardly together with upper mold, the spoke of hub cast Sidewall notches structure drive lower mould slider guide pin guiding it is oblique move upwards, lower mould slider obliquely Kinematic Decomposition be to Upper and outside both direction movement, moves out so that the outer wall bulge-structure of lower mould slider and the spoke side wall of hub cast Groove structure is gradually disengaged, and when upper mold moves upward to distance to a declared goal, lower mould slider is kept completely separate with hub cast, upper mold after Continuous to move upward to die sinking height, mold completes die sinking.
2. a kind of casting aluminium alloy wheel hub manufacturing process of spoke side wall groove structure according to claim 1, feature Be: the guide pin passes through the mounting hole of lower mould slider, is anchored in lower die;Cooperate between lower mould slider and lower die for inclined-plane, Lower mould slider can be moved above and below along the inclined-plane of lower die is oblique under the guiding of guide pin;The outer wall of lower mould slider is according to spoke Sidewall notches structure processes bulge-structure with the shape;There is limited step in the upper end of guide pin.
3. a kind of casting aluminium alloy wheel hub manufacturing process of spoke side wall groove structure according to claim 1, feature Be: the guide pin axis and the angle of mold axis are 40 ° ~ 55 °.
CN201910453986.0A 2019-05-29 2019-05-29 A kind of casting aluminium alloy wheel hub manufacturing process of spoke side wall groove structure Pending CN110202098A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112170786A (en) * 2020-09-20 2021-01-05 江苏张驰轮毂制造有限公司 Aluminum alloy wheel hub casting equipment

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06154952A (en) * 1992-11-20 1994-06-03 Asahi Tec Corp Casting device for vehicle wheel
CN1163170A (en) * 1996-01-12 1997-10-29 托比工业株式会社 Method and apparatus for molding light-alloy wheel
US20010025699A1 (en) * 2000-02-03 2001-10-04 Oskar Dittrich Apparatus for casting a molded part
US6318446B1 (en) * 1997-04-21 2001-11-20 Hayes Lemmerz International, Inc. One piece cast vehicle wheel having a circumferential lightener pocket
CN203124711U (en) * 2012-12-20 2013-08-14 江苏凯特汽车部件有限公司 Low-pressure casting mold capable of reducing cavity shrinkage and loosening of aluminum alloy wheel spoke
CN104999047A (en) * 2015-08-20 2015-10-28 泗阳敏于行精密机械有限公司 Die-casting die for aluminum alloy hub
CN105149551A (en) * 2015-10-12 2015-12-16 浙江今飞凯达轮毂股份有限公司 Low-pressure casting mould and method for casting hub
CN106077519A (en) * 2016-08-23 2016-11-09 苏州金瑞阳模具有限公司 A kind of novel hub mould structure
CN205798379U (en) * 2016-06-15 2016-12-14 秦皇岛中秦渤海轮毂有限公司 A kind of can the aluminum alloy low-pressure casting mould of automatic demoulding
CN108637185A (en) * 2018-06-22 2018-10-12 福建申利卡铝业发展有限公司 A kind of hub mold and the wheel hub casting technique using the hub mold

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06154952A (en) * 1992-11-20 1994-06-03 Asahi Tec Corp Casting device for vehicle wheel
CN1163170A (en) * 1996-01-12 1997-10-29 托比工业株式会社 Method and apparatus for molding light-alloy wheel
US6318446B1 (en) * 1997-04-21 2001-11-20 Hayes Lemmerz International, Inc. One piece cast vehicle wheel having a circumferential lightener pocket
US20010025699A1 (en) * 2000-02-03 2001-10-04 Oskar Dittrich Apparatus for casting a molded part
CN203124711U (en) * 2012-12-20 2013-08-14 江苏凯特汽车部件有限公司 Low-pressure casting mold capable of reducing cavity shrinkage and loosening of aluminum alloy wheel spoke
CN104999047A (en) * 2015-08-20 2015-10-28 泗阳敏于行精密机械有限公司 Die-casting die for aluminum alloy hub
CN105149551A (en) * 2015-10-12 2015-12-16 浙江今飞凯达轮毂股份有限公司 Low-pressure casting mould and method for casting hub
CN205798379U (en) * 2016-06-15 2016-12-14 秦皇岛中秦渤海轮毂有限公司 A kind of can the aluminum alloy low-pressure casting mould of automatic demoulding
CN106077519A (en) * 2016-08-23 2016-11-09 苏州金瑞阳模具有限公司 A kind of novel hub mould structure
CN108637185A (en) * 2018-06-22 2018-10-12 福建申利卡铝业发展有限公司 A kind of hub mold and the wheel hub casting technique using the hub mold

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112170786A (en) * 2020-09-20 2021-01-05 江苏张驰轮毂制造有限公司 Aluminum alloy wheel hub casting equipment

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