CN102921862B - Continuous casting and continuous forging mold for integrally forging automobile hub - Google Patents
Continuous casting and continuous forging mold for integrally forging automobile hub Download PDFInfo
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- CN102921862B CN102921862B CN201210380826.6A CN201210380826A CN102921862B CN 102921862 B CN102921862 B CN 102921862B CN 201210380826 A CN201210380826 A CN 201210380826A CN 102921862 B CN102921862 B CN 102921862B
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Abstract
The invention provides a continuous casting and continuous forging mold for integrally forging an automobile hub. The continuous casting and continuous forging mold comprises a floating mold module, an external side mold module, an internal side mold module and a movable mold module, wherein the floating mold module is fixed above a lower template; the external side mold module is assembled above the floating mold module; the internal side mold module is assembled on a driving mold; the upside of the movable mold module is connected with a continuous casting and continuous forging machine; an upper template and the lower template are assembled on the continuous casting and continuous forging machine; during beginning to work, the mold is assembled to form a hub cavity, liquid aluminum alloy is filled from material inlet and outlet and an annular movable mold begins to axially move downwards, so that the hub part is forged; and the annular movable mold stops moving when the height of the annular movable mold is as same as that of the driving mold, a thicker area of the hub has been solidified and the driving mold begins to axially move downwards, so that the bottom area of the hub is forged; therefore, the hub is integrally forged, the forming quality is improved and the performance of a formed workpiece is enhanced.
Description
Technical field
Patent of the present invention relates to continuous casting continuous forging technical field of mold, is specifically related to a kind of continuous casting continuous forging mould of automotive hub solid forging.
Background technology
Automotive hub is one of critical piece of running car system, and that aluminium alloy wheel hub has is lightweight, rapid heat dissipation, the advantage such as damping performance is good, tyre life is long, production is simple, beautiful appearance, has now been widely used in various high, medium and low cars and Light-duty Vehicle.
Along with the development along with auto industry, the demand of high-performance aluminium alloy wheel hub increases gradually, although traditional wheel hub casting technique make moderate progress, for the raising of hub cast interior tissue and material mechanical performance not obvious.Foundry goods spin forming method efficiency is lower, and the aluminium alloy wheel hub performance that goes out through forging and molding is good, quality is high and lightweight, but Forging Technology complexity, investment is large, and manufacturing cost is high, does not apply.And continuous casting continuous forging technology based on liquid forging technology and continuously casting and continuously rolling technology can be shaped under low input, better simply process conditions, performance approaches the aluminium alloy wheel hub of forging.
Continuous casting continuous forging technology refers in same set of mould, first casts, the casting-forging associating forming technology then forging immediately, and the core of technique is to forge, and follow-up forging can improve the defect of casting, improves the quality of drip molding.Wheel hub complex contour, the continuous casting continuous forging mould of most automotive hub only limits to the forging in wheel hub bottom centre region, forging is limited in scope, it is limited that other does not forge position performance improvement, casting is forged and is revolved combination process complex procedures, is significant therefore develop the continuous casting continuous forging mould of whole wheel hub forging.
Summary of the invention
Connect the shortcoming of forging mould in order to overcome existing wheel hub, the object of the present invention is to provide a kind of continuous casting continuous forging mould of automotive hub solid forging, realized the Integral die-forged of wheel hub, can greatly improve the performance after component shaping.
In order to achieve the above object, the technical scheme that the present invention takes is
A kind of continuous casting continuous forging mould of automotive hub solid forging, comprise floating die module, outer side mold module, interior side form module, dynamic model module, wherein floating die module is fixed on the top of lower bolster 3, outer side mold module assembly is above floating die module, interior side form module assembly is on active mould 13, dynamic model module top is connected with continuous casting continuous forging machine, and cope match-plate pattern 11 and lower bolster 3 are assemblied on continuous casting continuous forging machine;
Floating die module comprises floating die 5, counterdie 6 and nitrogen cylinder 4, four nitrogen cylinders 4 are uniformly distributed and are fixed in lower bolster 3 corresponding slot along lower bolster 3 center circumferential directions, counterdie 6 is fixed on lower bolster 3, counterdie 6 has centre bore, on centre bore circumferencial direction, be uniformly distributed three with upper outside hole, with upper outside hole, three s' three of counterdie 6 with floating die 5 match with convex platform, counterdie 6 is assemblied in floating die 5 tops, counterdie 6 after assembling, floating die 5, nitrogen cylinder 4 and lower bolster 3 form one;
Outer side mold module has four groups, each group all matches with patrix 14, be distributed in the four direction of patrix 14 along upper and lower template center line even circumferential, and be assemblied on cope match-plate pattern 11, each group all includes hydraulic cylinder 7, outer side mold 8, hydraulic cylinder 7 is connected on cope match-plate pattern 11, and the piston head of hydraulic cylinder 7 is connected with outer side mold 8, and outer side mold 8 is assemblied in the upside of counterdie 6; Outer side mold 8 and patrix 14 assemble, and patrix 14 is fixed on cope match-plate pattern 11, and the contact-making surface of four outer side molds 8 is connected with each other;
Interior side form module has four groups, is uniformly distributed and corresponding with outer side mold module along upper and lower template center line circumferencial direction, and each group all includes interior side form 10, wedge 9; Interior side form 10 is assemblied on active mould 13, and the guide pad of hollow is arranged at interior side form 10 bottoms, and initiatively mould 13 has corresponding gathering sill, in gathering sill and hollow guide pad, is connected with spring 16, and guide pad, gathering sill, spring 16 form reset guide structure; Wedge 9 is embedded in the middle of two interior side forms, and bottom coordinates with active mould 13, and interior ring conical surface coordinates with annular dynamic model 12 conical outer surfaces;
Dynamic model module comprises initiatively mould 13, annular dynamic model 12, both are connected on continuous casting continuous forging mechanism of ocean, initiatively mould 13 and annular dynamic model 12 concentrics coordinate, initiatively on mould 13, be equipped with inner side module, annular dynamic model 12 axial heights are greater than initiatively mould 13, annular dynamic model 12 conical outer surfaces contact cooperation with wedge 9, initiatively on mould 13, have cannelure;
The centre bore concentric assembling of feed inlet and outlet 1 and lower bolster 3, is fixed on lower bolster 3.
The axial line that described outer side mold module, interior side form module even circumferential distribute, annular dynamic model 12 and the initiatively axial line of mould 13, the axial line of the centre bore of cope match-plate pattern 11, lower bolster 3, patrix 14, counterdie 6, floating die 5 coincides.
The taper surface angle that described wedge 9 and annular dynamic model 12 coordinate, between 15-25, promotes the bevel angle of outer side mold motion between 20-26.
Described annular dynamic model 12, the forging amount of active mould 13 are that axially-movable is no more than 5mm apart from maximum.
The present invention has the following advantages:
1. whole continuous casting continuous forging mould has been realized the Integral die-forged of wheel hub, can greatly improve the performance after component shaping.
2. in guide pad, be provided with spring, one end is connected with interior side form, and the other end is connected with active mould, completes the reset of interior side form after dynamic model unloading under the effect of spring force, simple in structure, saves space.
3. wedge 9 is embedded in the middle of two interior side forms, and the outer surface of wedge 9 is than the recessed 2-3mm of 10 outer surface of side form in both sides, and after wheel hub is shaped, hub inner surface is understood the uniform reinforcement of height of formation, has improved the intensity of wheel hub.
Brief description of the drawings
Fig. 1 is that the present invention totally assembles explosive view.
Fig. 2 is the positive apparent direction front view of solid plate after the overall assembling of the present invention.
Fig. 3 is that the A-A of Fig. 2 is to cutaway view.
Fig. 4 is that the B-B of Fig. 2 is to cutaway view.
Fig. 5 is the present invention's resetting structure cutaway view that leads.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of continuous casting continuous forging mould of automotive hub solid forging, comprise floating die module, outer side mold module, interior side form module, dynamic model module, wherein relocatable module is fixed on lower bolster 3 tops by bolt 2, outer side mold module be bolted on cope match-plate pattern 11 and outer side mold module assembly above relocatable module, interior side form module assembly on active mould 13 and position corresponding with outside module.Dynamic model module top is connected with continuous casting continuous forging machine, and cope match-plate pattern 11 and lower bolster 3 are assemblied on continuous casting continuous forging machine.
As shown in Fig. 1, Fig. 3, Fig. 4, described floating die module comprises floating die 5, counterdie 6 and nitrogen cylinder 4, four nitrogen cylinders 4 are uniformly distributed and are fixed in lower bolster 3 corresponding slot along lower bolster 3 center circumferential directions, counterdie 6 is fixed on lower bolster 3 by bolt 2, counterdie 6 has centre bore, on centre bore circumferencial direction, being uniformly distributed 7 boss of Kong Bingyu floating die 5 outside seven matches, counterdie 6 is assemblied in floating die 5 tops, counterdie 6 after assembling, floating die 5, nitrogen cylinder 4 and lower bolster 3 are assembled into one.
As shown in Fig. 1, Fig. 3, Fig. 4, described outer side mold module has four groups, each group all matches with patrix 14, be distributed in the four direction of patrix 14 along upper and lower template center line even circumferential, and be assemblied on cope match-plate pattern 11, each group all includes hydraulic cylinder 7, outer side mold 8, and hydraulic cylinder 7 is bolted on cope match-plate pattern 11, the piston head of hydraulic cylinder 7 is connected with outer side mold 8 by screw, and outer side mold 8 is assemblied in the upside of counterdie 6; Outer side mold 8 and patrix 14 assemble, and patrix 14 is fixed by screws on cope match-plate pattern 11, and the contact-making surface of four outer side molds 8 is connected with each other.
As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5, described interior side form module has four groups, is uniformly distributed and corresponding with outer side mold module along upper and lower template center line circumferencial direction, and each group all includes interior side form 10, wedge 9; Interior side form 10 is assemblied on active mould 13, the guide pad of hollow is arranged at interior side form 10 bottoms, initiatively mould 13 has corresponding gathering sill, in gathering sill and hollow guide pad, be connected with spring 16, guide pad, gathering sill, spring 16 form reset guide structure, guiding, location and the reset function of side form 10 in realizing.Wedge 9 is embedded in the middle of two interior side forms, and bottom coordinates with active mould 13, and interior ring conical surface coordinates with annular dynamic model 12 conical outer surfaces, adopts wedge shape transmission principle, ensure enough clamping forces.
As shown in Fig. 1, Fig. 3, Fig. 4, described dynamic model module comprises initiatively mould 13, annular dynamic model 12, both are connected on continuous casting continuous forging mechanism of ocean, initiatively mould 13 and annular dynamic model 12 concentrics coordinate, initiatively on mould 13, be equipped with inner side module, annular dynamic model 12 axial heights are greater than initiatively mould 13, and annular dynamic model 12 conical outer surfaces contact cooperation with wedge 9, initiatively on mould 13, have cannelure, for annular dynamic model 12 provides axially-movable space.
The centre bore concentric assembling of feed inlet and outlet 1 and lower bolster 3, is fixed on lower bolster 3.
The axial line that above-mentioned outer side mold module, interior side form module even circumferential distribute, annular dynamic model 12 and the initiatively axial line of mould 13, the axial line of cope match-plate pattern 11, lower bolster 3, patrix 14, counterdie 6, floating die 5 centre bores coincides.
The taper surface angle that above-mentioned wedge 9 coordinates with annular dynamic model 12 and its bevel angle that promotes outer side mold motion will be coordinated, and the taper surface angle that wedge 9 and annular dynamic model 12 coordinate, between 15-25, promotes the bevel angle of outer side mold motion between 20-26.
The forging amount of above-mentioned annular dynamic model 12, active mould 13 is that axially-movable is no more than 5mm apart from maximum.
Operation principle of the present invention is:
While starting working, die assembly is good, form wheel hub die cavity, carry out aluminium alloy liquid state by feed inlet and outlet 1 and fill type, Deng 5s left and right, solidify at wheel rim position, annular dynamic model 12 starts axial downward movement, amount of exercise 3-5mm, annular dynamic model 12 promotes wedge 9 while moving and moves outward, the interior side form 10 of pulling force promotion that wedge 9 overcomes spring 16 moves outward, thereby wheel rim position has obtained forging, etc. the height of the height of annular dynamic model 12 and mould 13 initiatively when identical, 12 stop motions of annular dynamic model, solidify in the region that now wheel hub is thicker, initiatively mould 13 starts axial downward movement, amount of exercise 2-4mm, wheel hub bottom section is forged, thereby realizing whole wheel hub forges, improve forming quality.
After forging completes, initiatively mould 13 and annular dynamic model 12 reset under the effect of actuating unit, after annular dynamic model 12 resets, interior side form 10 resets under the pulling force of spring 16, wedge 9 resets under the effect of interior side form 10, and lower bolster 3 moves down, thereby the relocatable module being connected with lower bolster 3 moves down, outer side mold 8 moves outward under the effect of hydraulic cylinder 7, thereby on cope match-plate pattern 11 and patrix 14, moves the demoulding pickup process that completes.
Claims (4)
1. the continuous casting continuous forging mould of an automotive hub solid forging, comprise floating die module, outer side mold module, interior side form module, dynamic model module, it is characterized in that: relocatable module is fixed on the top of lower bolster (3), outer side mold module assembly is above relocatable module, interior side form module assembly is on active mould (13), dynamic model module top is connected with continuous casting continuous forging machine, and cope match-plate pattern (11) and lower bolster (3) are assemblied on continuous casting continuous forging machine;
Floating die module comprises floating die (5), counterdie (6) and nitrogen cylinder (4), four nitrogen cylinders (4) are uniformly distributed and are fixed in lower bolster (3) corresponding slot along lower bolster (3) center circumferential direction, counterdie (6) is fixed on lower bolster (3), counterdie (6) has centre bore, on centre bore circumferencial direction, be uniformly distributed three with upper outside hole, with upper outside hole, three s' three of counterdie (6) with floating die (5) match with convex platform, counterdie (6) is assemblied in floating die (5) top, counterdie (6) after assembling, floating die (5), nitrogen cylinder (4) and lower bolster (3) composition one,
Outer side mold module has four groups, each group all matches with patrix (14), be distributed in the four direction of patrix (14) along upper and lower template center line even circumferential, and be assemblied on cope match-plate pattern (11), each group all includes hydraulic cylinder (7), outer side mold (8), hydraulic cylinder (7) is connected on cope match-plate pattern (11), the piston head of hydraulic cylinder (7) is connected with outer side mold (8), and outer side mold (8) is assemblied in the upside of counterdie (6); Outer side mold (8) and patrix (14) assembling, it is upper that patrix (14) is fixed on cope match-plate pattern (11), and the contact-making surface of four outer side molds (8) is connected with each other;
Interior side form module has four groups, is uniformly distributed and corresponding with outer side mold module along upper and lower template center line circumferencial direction, and each group all includes interior side form (10), wedge (9); Interior side form (10) is assemblied on active mould (13), the guide pad of hollow is arranged at interior side form (10) bottom, initiatively mould (13) has corresponding gathering sill, in gathering sill and hollow guide pad, be connected with spring (16), guide pad, gathering sill, spring (16) composition reset guide structure; Wedge (9) is embedded in the middle of two interior side forms, and bottom coordinates with active mould (13), and interior ring conical surface coordinates with annular dynamic model (12) conical outer surface;
Dynamic model module comprises initiatively mould (13), annular dynamic model (12), both are connected on continuous casting continuous forging mechanism of ocean, initiatively mould (13) and annular dynamic model (12) concentric coordinate, initiatively on mould (13), be equipped with inner side module, annular dynamic model (12) axial height is greater than initiatively mould (13), annular dynamic model (12) conical outer surface contacts cooperation with wedge (9), initiatively on mould (13), has cannelure;
The centre bore concentric assembling of feed inlet and outlet (1) and lower bolster (3), is fixed on lower bolster (3).
2. the continuous casting continuous forging mould of a kind of automotive hub solid forging according to claim 1, it is characterized in that: the axial line that described outer side mold module, interior side form module even circumferential distribute, annular dynamic model (12) and the initiatively axial line of mould (13), the axial line of the centre bore of cope match-plate pattern (11), lower bolster (3), patrix (14), counterdie (6), floating die (5) coincides.
3. the continuous casting continuous forging mould of a kind of automotive hub solid forging according to claim 1, it is characterized in that: the taper surface angle that described wedge (9) and annular dynamic model (12) coordinate, between 15-25, promotes the bevel angle of outer side mold motion between 20-26.
4. the continuous casting continuous forging mould of a kind of automotive hub solid forging according to claim 1, is characterized in that: described annular dynamic model (12), the forging amount of active mould (13) are that axially-movable is no more than 5mm apart from maximum.
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Cited By (1)
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CN106583483A (en) * | 2017-01-26 | 2017-04-26 | 郝鑫颖 | Hub manufacturing equipment and hub manufacturing method |
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CN113000757B (en) * | 2021-04-23 | 2023-05-05 | 郎溪友良锻造铝合金轮毂股份有限公司 | Forging method for automobile aluminum alloy hub |
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CN201579371U (en) * | 2009-12-16 | 2010-09-15 | 无锡科技职业学院 | Composite mould of aluminum wheel hub of automobile |
CN201823861U (en) * | 2010-10-07 | 2011-05-11 | 玉环福尔加机械有限公司 | Forging die for hub bolt |
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Patent Citations (5)
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US3750450A (en) * | 1970-06-26 | 1973-08-07 | Gkn Sankey Ltd | Manufacture of articles |
AU3911789A (en) * | 1988-07-31 | 1990-02-01 | Asahi Katantetsu Kabushiki Kaisha | Casting device, method for using the device, casting device of vehicle wheel, method for using the device, and vehicle wheel |
CN201579371U (en) * | 2009-12-16 | 2010-09-15 | 无锡科技职业学院 | Composite mould of aluminum wheel hub of automobile |
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CN106583483A (en) * | 2017-01-26 | 2017-04-26 | 郝鑫颖 | Hub manufacturing equipment and hub manufacturing method |
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