CN108555048A - A kind of reflectal rim for automobile wheel extrusion forming method - Google Patents
A kind of reflectal rim for automobile wheel extrusion forming method Download PDFInfo
- Publication number
- CN108555048A CN108555048A CN201810570265.3A CN201810570265A CN108555048A CN 108555048 A CN108555048 A CN 108555048A CN 201810570265 A CN201810570265 A CN 201810570265A CN 108555048 A CN108555048 A CN 108555048A
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- Prior art keywords
- locating piece
- flaring
- plate
- block
- rim
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000001125 extrusion Methods 0.000 title claims abstract description 19
- 238000005242 forging Methods 0.000 claims abstract description 43
- 238000000465 moulding Methods 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 19
- 238000003825 pressing Methods 0.000 claims description 9
- 238000004080 punching Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000004826 seaming Methods 0.000 description 4
- 238000009987 spinning Methods 0.000 description 3
- 229910000861 Mg alloy Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004992 fission Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- 229910001234 light alloy Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000009856 non-ferrous metallurgy Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/14—Making other products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/18—Making uncoated products by impact extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
- B21C35/02—Removing or drawing-off work
Abstract
The present invention relates to a kind of reflectal rim for automobile wheel extrusion forming methods.Wherein：Briquetting fastens and just forges blank first when molding；Then flaring locating piece rotates molding under the guiding on lower die holder upper end inclined-plane around axis pin.Block is flared simultaneously to contact with the wheel rim upper surface of first forging blank.It is no longer moved downward after flaring locating piece molding, but is flared block and continues to move downward constantly outwardly against wheel rim, until wheel rim is bonded flaring block and is flared the shape chamber surface of locating piece completely；Just the centre bore of forging blank is rushed out simultaneously.To squeeze out finish-forging blank.Flaring block first is detached with finish-forging blank when die sinking；And post-positioning block pulling plate is pulled upwardly flaring locating piece so that flaring locating piece rotates die sinking around axis pin；Again and rear supporting plate hold up upwards locating piece mounting plate and flaring locating piece；Then briquetting is pulled to move upwards, entire upper mold is detached with finish-forging blank completely.Last bottom knockout device ejects finish-forging blank upwards, and reflectal rim for automobile wheel extrusion molding process is completed.
Description
Technical field
The invention belongs to the manufactures of the aluminum-alloy wheel in non-ferrous metallurgy field, are related to a kind of reflectal rim for automobile wheel
Extrusion forming method.
Background technology
The manufacturing process of aluminum alloy wheel of vehicle has casting, forging and casting spinning etc..Currently, China has become the world most
The aluminum-alloy wheel of big aluminum-alloy wheel manufacture base, manufacture also largely exports to foreign countries while meeting domestic demand, is
The first in the world aluminum-alloy wheel exporting country.
But manufacturing process of aluminum alloy wheel level still has gap away from world lead level, although forging can be produced
Aluminum-alloy wheel is made, but wheel rim is formed by spinning, is easy the defects of residual spinning process, wheel rim cracks during wheel use
Leakage problem takes place frequently, and cannot meet the needs of truck or car are to high-performance reflectal wheel.
Therefore, a kind of method of the direct forging and molding of reflectal rim for automobile wheel of research and development is very necessary, to carry
The quality of high reflectal rim for automobile wheel meets the needs of truck or car are to high-performance reflectal wheel, improves me
The technical merit of state's aluminum-alloy wheel manufacturing.
By retrieval, following Patents documents are found.
1, a kind of method of Compound Extrusion magnesium alloy hub（CN 201610054754.4）, composite extrusion die it is convex
Mould and cavity plate activity mounting, the wheel hub of prefabricated barrel-shaped shape are movably placed between upper male mould and lower punch, and be placed in cavity plate, under
Punch-pin is flexibly connected by locating shaft and cavity plate, and apical axis is fixed at lower punch bottom, and is flexibly connected with middle part under cavity plate.
The upper male mould of expanding die and insert activity mounting, the wheel hub of Compound Extrusion forming are movably placed in upper male mould, lower punch and insert
Between, insert is movably placed in die case, and is connected with backing plate by axis pin, spring, and lower punch is fixed on backing plate, and push plate is lived
It is dynamic to be placed in die holder, and be flexibly connected by locating shaft and insert, apical axis is fixedly installed in the middle part of push plate bottom.
2, a kind of automobile wheel-hub extrusion forming method（CN 200810211760.1）, flaring process is using upper and lower double-convex-mold
Structure coordinates with cavity plate, and lower rim and wheel rim is made once to be flared forming.Cavity plate uses split type cavity plate, is carried out about to bulging
Beam.It is flared process and flaring die is constrained using no cavity plate, primary flaring shapes wheel rim when transition is shallower in the middle part of wheel rim.It expands
Mouth mold tool includes mainly upper male mould, lower punch, seperated cavity plate, concave template, fixed plate, backing plate, interior mandril, outer mandril, top plate, big
Mandril, lower die holder, stop screw, spring and trip bolt；Each fission cavity plate is mounted on by oblique chute in concave template；Concave template
It is mounted on lower die holder by stop screw, spring, when stress can move up and down；Lower punch is fixed by backing plate with trip bolt
In on lower die holder；The upper wheel rim of the upper oral part cooperation forming wheel rim of upper male mould and seperated cavity plate, lower punch under seperated cavity plate
The lower rim of portion's cooperation forming wheel rim and wheel rim；Interior mandril passes through backing plate, lower punch and extrusion contact and top plate and big mandril
Form the ejecting mechanism of extrusion together, outer mandril passes through that backing plate, fixed plate is contacted with fission cavity plate and top plate and big mandril one
Play the ejecting mechanism of the seperated cavity plate of composition.Seperated cavity plate is that 4 die plate inserts are constituted, and is connected respectively by oblique chute and concave template
It connects, when molding, forms concave die cavity.
3, the building mortion and its manufacturing process of solid hot extrusion magnesium alloy wheel hub（CN 200510010214.8）, at
Shape dress sets it and includes cope plate, punch-pin, punch retainer, pressing plate, lower template, cavity plate, supporting block, cavity plate backing plate, guide post, leads
Set, the upper end of punch-pin is in punch retainer, and punch retainer is screwed with cope plate and connect, the support below pressing plate
Block is located on cavity plate backing plate, and cavity plate backing plate is placed in lower template, pressing plate, supporting block, cavity plate backing plate and lower template screw
It is fixedly connected integrally, the upper end of guide post is placed in the lower part of guide sleeve, and the upper end of guide sleeve is fixedly connected with the lower end of cope plate, is led
The lower end of column is fixed in lower template, and mold cavity is divided into left half module and right half module, and knock-pin is equipped with axis pin.
4, light-alloy Integral die-forged squeezes automotive hub moulding process and mold（CN 201110148767.5）, molding
Mold includes preforming mould and shaping mould.Preforming mould includes seaming chuck mold core located above, the pushing head mould being located below
Core is located at the cavity plate sliding block of periphery and the cavity plate cover for seat with the cooperation of cavity plate sliding block；Molding die include the upper mold core being located below,
Lower mold core located above and it is molded Hough positioned at two or more of periphery.The seaming chuck mold core Outside Dimensions are wheel hub upper end
Face outer diameter, and all geometries of the centre bore equipped with wheel hub, vertically hung scroll and connection outer diameter Zhou Yuan；Seaming chuck mold core
It is with capable of moving up and down between outer diameter and the cavity plate die cavity internal diameter being made of cavity plate sliding block.The push-down head mandrel diameter
For conical horn shape, lower end maximum gauge is not more than the diameter of seaming chuck mold core upper end, and recessed with the formation of cavity plate sliding block
Mould die cavity coordinates, and there are the surpluses of the thickness of molded part and height between the two；It is installed equipped with wheel hub the lower mold core upper surface
All geometry sizes and centre bore in face, centre are equipped with ejection pressure head.
By analysis, with present patent application technical solution there is relatively big difference in the above patent content.
Invention content
The purpose of the present invention is to solve wheel rim existing during current reflectal wheel use cracking leakages
Gas problem provides a kind of reflectal rim for automobile wheel extrusion forming method.Effectively improve reflectal rim for automobile wheel
Quality meets the needs of truck or car are to high-performance reflectal wheel.
Technical scheme is as follows：
A kind of reflectal rim for automobile wheel extrusion forming method is that the reflectal wheel after heating is just forged to blank to be put into
In lower die holder, upper mold first integrally moves downward when molding, and positioning pin is fallen into positioning sleeve, plays positioning and guiding role.On
Mould integrally continues to move downward, and briquetting is contacted with first forging blank, and upper mould fixed plate then moves downward compressed spring, and briquetting fastens
Just forging blank.Upper mold continues to move downward, 4 flaring locating pieces and lower die holder upper end contact of incline plane, two sections of lower die holder upper end
Under the guiding on different angle inclined-plane, 4 flaring locating pieces are rotated around axis pin, are gradually molded, are formed shape chamber on the outside of closed wheel rim.
While 4 flaring locating pieces gradually mold, flaring block with just forge blank wheel rim upper surface contact, with upper mold continue to
Lower movement, flaring block is constantly outwardly against wheel rim.It is no longer moved downward after 4 flaring locating piece moldings, but is flared block in upper mold
Continue to move downward outwardly against wheel rim under the drive of mounting plate, until wheel rim is bonded flaring block and is flared the shape of locating piece completely
Chamber surface, upper and lower mould mold completely.While being flared block outwardly against wheel rim, upper mould fixed plate drives upper ejector pin to transport downwards
Dynamic, the central contact of punch and just forging blank, punch continues to move downward, under the shearing force of punch and punching block, just
The centre bore of forging blank is rushed out.Extruding Process of Wheel Rim is completed, and reflectal wheel finish-forging blank is squeezed out.
When die sinking, upper mould fixed plate drives flaring block to move upwards first, and flaring block is detached with finish-forging blank.Work as locating piece
After pulling plate is contacted with 4 flaring locating pieces, starting to be pulled upwardly flaring locating piece so that flaring locating piece is rotated around axis pin, by
Gradually mold.Upper mold continues up, and after supporting plate and the contact of locating piece mounting plate, starts to hold up locating piece mounting plate upwards,
To drive 4 flaring locating pieces to move upwardly together.As upper mold moves upwards, spring gradually extends, and works as upper mould fixed plate
After being contacted with guide rod, briquetting is pulled to move upwards, entire upper mold is detached with finish-forging blank completely, and upper mold integrally continues up fortune
It is dynamic, realize die sinking.
Bottom knockout device jacks up die pad upwards, drives ejector beam and liftout ring to move upwards, to eject finish-forging blank, makes
Finish-forging blank wheel rim is higher than lower die holder, facilitates and takes out finish-forging blank, and reflectal rim for automobile wheel extrusion molding process is completed.It will
Finish-forging blank is transferred to finishing operations, and the processes such as thermally treated, mechanical processing are finally processed as reflectal wheel finished product.
The Extruding Process of Wheel Rim mold mainly include lower plate, lower mold mounting plate, support plate, lower die holder mounting plate, under
Die holder, briquetting, flaring locating piece, flaring block, spring, upper mould fixed plate, upper plate, guide rod, upper ejector pin, upper ejector pin pressing plate,
Pull rod, locating piece mounting plate, supporting plate, locating piece mounting blocks, axis pin, locating piece pulling plate, positioning pin, punch, liftout ring, liftout
Bar, positioning sleeve, punching block, die pad, bottom knockout device.When Extruding Process of Wheel Rim mold clamping, upper mold integrally moves downward first,
After briquetting is with just forging blank contact, briquetting no longer moves downward；After being flared locating piece with lower die holder upper end contact of incline plane,
Under the guiding on two sections of different angle inclined-planes, flaring locating piece is rotated around axis pin, is gradually molded, is formed shape on the outside of closed wheel rim
Chamber, flaring locating piece no longer move downward；While flaring locating piece gradually molds, flaring block constantly moves downward to be squeezed outward
Pinch roller rim realizes molding until wheel rim is bonded flaring block and is flared the shape chamber surface of locating piece completely.Extruding Process of Wheel Rim mold
When die sinking, upper mould fixed plate drives flaring block to move upwards first, and flaring block is detached with finish-forging blank；When locating piece pulling plate and expansion
After mouth locating piece contact, start to be pulled upwardly flaring locating piece so that flaring locating piece is rotated around axis pin, is gradually molded；Work as support
After plate is contacted with locating piece mounting plate, start to hold up locating piece mounting plate upwards, flaring locating piece is driven to move upwardly together；When
After upper mould fixed plate is contacted with guide rod, briquetting is pulled to move upwards, entire upper mold is detached with finish-forging blank completely, and realization is opened
Mould.
The Extruding Process of Wheel Rim mould support plate is fixed in the middle part of pull rod, and locating piece pulling plate is fixed on pull rod lower end.Work as place
When die opening state, supporting plate holds up locating piece mounting plate, and by pull rod, flaring locating piece is hung in below upper mould fixed plate；Positioning
Block pulling plate is pulled upwardly the outside-supporting platform of flaring locating piece by pull rod, and flaring locating piece is made to be in open configuration.When in
When molding state, flaring locating piece is in closed state under the action of the inclined-plane of lower die holder upper end, and locating piece pulling plate is fixed with flaring
Position block separation, supporting plate are detached with locating piece mounting plate.
The heating temperature range that the reflectal wheel just forges blank is 400 ~ 480 DEG C.
Temperature is more than 350 DEG C after the extrusion molding of the reflectal wheel finish-forging blank.
Compared with the prior art, the present invention has the following advantages：The present invention solves current reflectal rim for automobile wheel rotation
The problem of pressing residual defects, the present invention use extrusion forming method, manufacture reflectal rim for automobile wheel, and wheel rim internal grain is thin
Small, dense structure, metal streamline is reasonable, is less prone to wheel rim cracking leakage problem, meets truck or car and forged to high-performance
Make the demand of aluminum-alloy wheel.Meanwhile reflectal rim for automobile wheel extrusion forming method of the present invention is not necessarily to existing
There is forging equipment to be transformed, simple for structure, fund input is smaller.
Description of the drawings
Fig. 1 is the Extruding Process of Wheel Rim technique and its mold schematic diagram of the present invention.
Fig. 2 is that the reflectal wheel before Extruding Process of Wheel Rim just forges blank schematic diagram.
Fig. 3 is the reflectal wheel finish-forging blank schematic diagram of manufacturing process using the present invention.
In figure：1, lower plate, 2, lower mold mounting plate, 3, support plate, 4, lower die holder mounting plate, 5, lower die holder, 6, finish-forging hair
Base, 7, briquetting, 8, flaring locating piece, 9, flaring block, 10, spring, 11, upper mould fixed plate, 12, upper plate, 13, guide rod, 14,
Upper ejector pin, 15, upper ejector pin pressing plate, 16, pull rod, 17, locating piece mounting plate, 18, supporting plate, 19, locating piece mounting blocks, 20, axis pin,
21, locating piece pulling plate, 22, positioning pin, 23, punch, 24, just forge blank, 25, liftout ring, 26, ejector beam, 27, positioning sleeve, 28,
Punching block, 29, die pad, 30, bottom knockout device.
Specific implementation mode
Specific implementation mode is described in detail below in conjunction with attached drawing.
As shown in Fig. 1, it is the Extruding Process of Wheel Rim technique and its mold schematic diagram of the present invention.
Extruding Process of Wheel Rim mold as shown in Fig. 1 includes mainly lower plate 1, lower mold mounting plate 2, support plate 3, lower die
Seat mounting plate 4, briquetting 7, flaring locating piece 8, flaring block 9, spring 10, upper mould fixed plate 11, upper plate 12, is oriented to lower die holder 5
Bar 13, upper ejector pin 14, upper ejector pin pressing plate 15, pull rod 16, locating piece mounting plate 17, supporting plate 18, locating piece mounting blocks 19, axis pin
20, locating piece pulling plate 21, positioning pin 22, punch 23, liftout ring 25, ejector beam 26, positioning sleeve 27, punching block 28, die pad 29,
Bottom knockout device 30.Wherein supporting plate 18 is fixed on 16 middle part of pull rod, and locating piece pulling plate 21 is fixed on 16 lower end of pull rod.When in die sinking
When state, supporting plate 18 holds up locating piece mounting plate 17, and by pull rod 16, flaring locating piece 8 is hung in 11 lower section of upper mould fixed plate；It is fixed
Position block pulling plate 21 is pulled upwardly the outside-supporting platform of flaring locating piece 8 by pull rod 16, so that flaring locating piece 8 is in and opens shape
State.When in molding state, flaring locating piece 8 is in closed state, locating piece under the action of 5 upper end inclined-plane of lower die holder
Pulling plate 21 is detached with flaring locating piece 8, and supporting plate 18 is detached with locating piece mounting plate 17.
The reflectal wheel for being heated to 400 ~ 480 DEG C as shown in Fig. 2 is just forged to blank 24 and is put into lower die holder 5
Interior, upper mold integrally moves downward, and positioning pin 22 is fallen into positioning sleeve 27, plays positioning and guiding role.Upper mold integrally continue to
Lower movement, briquetting 7 are contacted with first forging blank 24, and upper mould fixed plate 11 then moves downward compressed spring 10, and briquetting 7 fastens just forging
Blank 24.Upper mold continues to move downward, 4 flaring locating pieces 8 and 5 upper end contact of incline plane of lower die holder, two sections of 5 upper end of lower die holder
Under the guiding on different angle inclined-plane, 4 flaring locating pieces 8 are rotated around axis pin 20, are gradually molded, are formed shape on the outside of closed wheel rim
Chamber.While 4 flaring locating pieces 8 gradually mold, flaring block 9 is contacted with the wheel rim upper surface of first forging blank 24, with upper
Mould continues to move downward, and flaring block 9 is constantly outwardly against wheel rim.4 flaring locating pieces 8 no longer move downward after molding, but expand
Buccal mass 9 continues to move downward outwardly against wheel rim under the drive of upper mould fixed plate 11, until wheel rim be bonded completely flaring block 9 and
It is flared the shape chamber surface of locating piece 8, upper and lower mould molds completely.While being flared block 9 outwardly against wheel rim, upper mould fixed plate
11 drive upper ejector pins 14 move downward, and the central contact of punch 23 and just forging blank 24, punch 23 continues to move downward, in punch
23 under the shearing force of punching block 28, and the centre bore for just forging blank 24 is rushed out.Extruding Process of Wheel Rim is completed, and forging is squeezed out
Aluminum-alloy wheel finish-forging blank 6 is made, as shown in Fig. 3.
Then upper mould fixed plate 11 drives flaring block 9 to move upwards, and flaring block 9 is detached with finish-forging blank 6.When locating piece is drawn
After plate 21 is contacted with 4 flaring locating pieces 8, start to be pulled upwardly flaring locating piece 8 so that flaring locating piece 8 is revolved around axis pin 20
Turn, gradually molds.Upper mold continues up, and after supporting plate 18 and the contact of locating piece mounting plate 17, starts to hold up positioning upwards
Block mounting plate 17, to drive 4 flaring locating pieces 8 to move upwardly together.As upper mold moves upwards, spring 10 is gradually stretched
It is long, after upper mould fixed plate 11 and the contact of guide rod 13, pull briquetting 7 to move upwards, entire upper mold is divided with finish-forging blank 6 completely
From upper mold integrally continues up, and realizes die sinking.
Last bottom knockout device 30 jacks up die pad 29 upwards, drives ejector beam 26 and liftout ring 25 to move upwards, to push up
Go out finish-forging blank 6,6 wheel rim of finish-forging blank is made to be higher than lower die holder 5, facilitate and take out finish-forging blank 6, reflectal rim for automobile wheel squeezes
Pressing formation process is completed.Finish-forging blank 6 as shown in Fig. 3 is transferred to finishing operations, the processes such as thermally treated, mechanical processing,
Finally it is processed as reflectal wheel finished product.
The technology contents that the present embodiment does not describe in detail are the prior art.
Claims (2)
1. a kind of reflectal rim for automobile wheel extrusion forming method, the Extruding Process of Wheel Rim mold include mainly lower plate,
Lower mold mounting plate, support plate, lower die holder mounting plate, lower die holder, briquetting, flaring locating piece, flaring block, spring, upper mould fixed plate,
Upper plate, guide rod, upper ejector pin, upper ejector pin pressing plate, pull rod, locating piece mounting plate, supporting plate, locating piece mounting blocks, axis pin, positioning
Block pulling plate, positioning pin, punch, liftout ring, ejector beam, positioning sleeve, punching block, die pad, bottom knockout device, it is characterized in that：Molding
When, upper mold integrally moves downward first, and after briquetting is with just forging blank contact, briquetting no longer moves downward；When flaring locating piece
After the contact of incline plane of lower die holder upper end, under the guiding on two sections of different angle inclined-planes, flaring locating piece rotates molding, shape around axis pin
At shape chamber on the outside of closed wheel rim, flaring locating piece no longer moves downward；While being flared locating piece molding, flaring block is continuous
It moves downward outwardly against wheel rim, until wheel rim is bonded flaring block and is flared the shape chamber surface of locating piece completely, realizes molding；It opens
When mould, upper mould fixed plate drives flaring block to move upwards first, and flaring block is detached with finish-forging blank；When locating piece pulling plate and flaring
After locating piece contact, start to be pulled upwardly flaring locating piece so that flaring locating piece rotates die sinking around axis pin；When supporting plate and positioning
After the contact of block mounting plate, start to hold up locating piece mounting plate upwards, flaring locating piece is driven to move upwardly together；When upper mold is installed
After plate is contacted with guide rod, briquetting is pulled to move upwards, entire upper mold is detached with finish-forging blank completely, realizes die sinking.
2. a kind of reflectal rim for automobile wheel extrusion forming method according to claim 1, it is characterized in that：The wheel rim
Mold for extruding and forming supporting plate is fixed in the middle part of pull rod, and locating piece pulling plate is fixed on pull rod lower end；When in die opening state, supporting plate
Locating piece mounting plate is held up, by pull rod, flaring locating piece is hung in below upper mould fixed plate；Locating piece pulling plate is upward by pull rod
Pull-up is flared the outside-supporting platform of locating piece, and flaring locating piece is made to be in open configuration；When in molding state, flaring positioning
Block is in closed state under the action of the inclined-plane of lower die holder upper end, and locating piece pulling plate is detached with flaring locating piece, supporting plate and positioning
Block mounting plate detaches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810570265.3A CN108555048B (en) | 2018-06-05 | 2018-06-05 | Extrusion forming method for forged aluminum alloy wheel rim |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810570265.3A CN108555048B (en) | 2018-06-05 | 2018-06-05 | Extrusion forming method for forged aluminum alloy wheel rim |
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| Publication Number | Publication Date |
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| CN108555048A true CN108555048A (en) | 2018-09-21 |
| CN108555048B CN108555048B (en) | 2024-04-02 |
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| CN201810570265.3A Active CN108555048B (en) | 2018-06-05 | 2018-06-05 | Extrusion forming method for forged aluminum alloy wheel rim |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109158521A (en) * | 2018-10-09 | 2019-01-08 | 江苏珀然轮毂有限公司 | The wheel rim forging equipment of aluminum-alloy wheel |
| CN109773046A (en) * | 2019-01-10 | 2019-05-21 | 昆山鑫达林精密模具有限公司 | Reflectal automotive wheels punching flaring die |
| CN113118331A (en) * | 2019-12-31 | 2021-07-16 | 新昌县宏昇机械厂 | Processing technology of liquid storage pipe and collecting pipe connecting seat |
| CN113976802A (en) * | 2021-12-29 | 2022-01-28 | 秦皇岛戴卡兴龙轮毂有限公司 | Forming die and method for forging wheel |
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| JPH02299733A (en) * | 1989-05-15 | 1990-12-12 | Honda Motor Co Ltd | Method and device for manufacturing wheel rim |
| US4985993A (en) * | 1989-05-15 | 1991-01-22 | Honda Giken Kogyo Kabushiki Kaisha | Method for producing wheel rim |
| CN201371216Y (en) * | 2009-03-06 | 2009-12-30 | 河南科技大学 | Flaring die for wheel hub of automobile |
| CN201871663U (en) * | 2010-10-19 | 2011-06-22 | 中信戴卡轮毂制造股份有限公司 | Mould for forging aluminum alloy wheel |
| CN203265427U (en) * | 2013-05-14 | 2013-11-06 | 吉凯恩车轮（柳州）有限公司 | Multi-part rim cold forming mould |
| CN205096463U (en) * | 2015-11-06 | 2016-03-23 | 天津那诺机械制造有限公司 | Mould positioner on liquid forging mould for commercial vehicle |
| CN105397066A (en) * | 2015-12-15 | 2016-03-16 | 中信戴卡股份有限公司 | Liquid forging and molding die for aluminum alloy wheel |
| CN208800559U (en) * | 2018-06-05 | 2019-04-30 | 秦皇岛戴卡兴龙轮毂有限公司 | A kind of reflectal rim for automobile wheel mold for extruding and forming |
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| CN109158521A (en) * | 2018-10-09 | 2019-01-08 | 江苏珀然轮毂有限公司 | The wheel rim forging equipment of aluminum-alloy wheel |
| CN109773046A (en) * | 2019-01-10 | 2019-05-21 | 昆山鑫达林精密模具有限公司 | Reflectal automotive wheels punching flaring die |
| CN113118331A (en) * | 2019-12-31 | 2021-07-16 | 新昌县宏昇机械厂 | Processing technology of liquid storage pipe and collecting pipe connecting seat |
| CN113976802A (en) * | 2021-12-29 | 2022-01-28 | 秦皇岛戴卡兴龙轮毂有限公司 | Forming die and method for forging wheel |
| CN113976802B (en) * | 2021-12-29 | 2022-03-15 | 秦皇岛戴卡兴龙轮毂有限公司 | Forming die and method for forging wheel |
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