CN213613907U - Forging die of aluminum alloy wheel with concave wheel well portion - Google Patents
Forging die of aluminum alloy wheel with concave wheel well portion Download PDFInfo
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- CN213613907U CN213613907U CN202022680102.6U CN202022680102U CN213613907U CN 213613907 U CN213613907 U CN 213613907U CN 202022680102 U CN202022680102 U CN 202022680102U CN 213613907 U CN213613907 U CN 213613907U
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- die holder
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- wheel
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Abstract
The utility model relates to a technical field that wheel hub mould made, in particular to forging mould and application method of aluminum alloy wheel with indent type wheel well portion, it radially falls into a plurality of components of a whole that can function independently with cylinder upper die base, the inboard is provided with the flange that matches with indent type wheel well portion, during the die sinking, the forging press drives the upper plate upward movement, mould upper portion and blank are along with the same upward movement of upper plate, the upper die base is under self action of gravity, while downstream, it dies to paste the bottom surface of connecting block step and upper plate middle stage groove, stop motion when the mould moves and can take out the wheel blank, power unit withstands upper ejector ware downstream, upper ejector ware is pushed the ejector pin and is removed along the mould radial direction, with upper die base along its central line outside dispersion ejecting, realize that the wheel blank drops automatically, the utility model discloses rational in infrastructure, the structure, the aluminium alloy wheel well portion's of, The forging die is simple to operate and high in automation degree, and provides a solution for the aluminum alloy wheel forging die with the concave wheel well structure.
Description
Technical Field
The utility model relates to a forge the technical field that aluminum alloy wheel hub mould made, especially relate to a forging mould of aluminum alloy wheel with indent type wheel well portion.
Background
Along with the rapid development of the automobile industry in recent years, the forged wheels also meet the rapid development. Originally, forged wheels can only be used on high-end vehicle models due to cost reasons, but now with more and more enterprises engaged in the industry, the competition is intensified, the technology and cost control are obviously advanced in the intensified competition, and on one hand, each enterprise strives to realize the manufacture of complex shapes, and on the other hand, each enterprise also continuously develops a new method in the aspect of cost control. As is well known, a forged wheel with a concave wheel well structure moves up and down, and a die has to have a draft angle to ensure that a forged blank can be smoothly taken out.
The existing die can be taken out smoothly in order to ensure that the forged wheel cannot be forged out of the shape of the concave wheel well, so that aluminum at the part is wasted, and the metal yield is influenced.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides a structural design is reasonable, easy operation, the higher forging mould of aluminum alloy wheel that has concave type wheel well portion of degree of automation, with the cylinder upper die base along radially falling into a plurality of components of a whole that can function independently, the inboard is provided with concave type wheel well portion complex flange, during the die sinking, the upper die base can be perpendicularly downwards and along its central line direction transverse motion, realizes that the wheel blank is automatic to drop, forges the mould for the aluminum alloy wheel that has concave type wheel well portion structure and provides the solution.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
the utility model discloses a forging die of an aluminum alloy wheel with an inward concave wheel well part, wherein a lower die holder is arranged on a lower bottom plate; the lower die core is arranged on the inner side of the upper end of the lower die base; the upper mold core is arranged at the lower end of the upper bottom plate; the upper die base is cylindrical, the upper die base is installed at the lower end of the upper base plate and surrounds the outer side of the upper die core, the upper ejector is placed in a central hole of the upper die core and is connected with the power mechanism, the upper die base is divided into a plurality of split bodies along the radial direction, a flange matched with the well part of the inner concave wheel is arranged on the inner side of the upper die base, a space formed by the inner side wall of the upper die base, the upper end surface of the lower die core and the lower end surface of the upper die core forms a blank shape, a step groove is formed in the position, corresponding to the upper die base, of the top end of the upper base plate, a connecting block is placed in the step groove, the connecting block is step-shaped, the maximum width of the upper portion of the connecting; go up the top and the bottom of ejector ware be the external diameter with the cylinder that the centre bore internal diameter is the same, be the cone between top and the bottom, it corresponds on the mold core the symmetry axis direction of the transverse section of upper die base is provided with the through-hole, install the knock-out rod in the through-hole, the one end of knock-out rod with the conical surface of cone contacts, the other end with the upper die base contacts mutually.
In a possible technical scheme, a longitudinal first spring is placed in the central hole and positioned at the lower side of the upper ejector.
In a possible technical scheme, the upper die base is evenly divided into four split bodies along the radial direction, and two step grooves are symmetrically arranged at the positions, corresponding to the upper die base, of the top end of the upper bottom plate.
In a possible technical scheme, the lower end of the upper base plate is located on the outer side of the upper die base, a fixed seat is installed on the outer side of the upper die base, a transverse telescopic rod is fixedly connected to the outer side of the upper die base, the other end of the telescopic rod is fixedly connected with the fixed seat, and the telescopic rod can push the upper die base to move towards the center of the die in a gathering mode.
In a possible technical scheme, correspond on the fixing base the outside symmetry of upper die base is provided with horizontal through-hole, the telescopic link includes the outside fixed connection's of one end and upper die base movable rod, the other end of movable rod is the sleeve structure, the inside guide bar that has cup jointed of sleeve structure, the guide bar runs through horizontal through-hole on the fixing base and through the lock mother with fixing base fixed connection, the internal diameter of horizontal through-hole on the fixing base is greater than the external diameter of movable rod, lie in on the guide bar the lock mother with the cover is equipped with horizontal second spring between the movable rod.
Compared with the prior art, the beneficial effects of the utility model are that: the cylindrical upper die base is divided into a plurality of split bodies along the radial direction, the inner side of the cylindrical upper die base is provided with a flange matched with the well part of the concave wheel, when the die is opened, the forging press drives the upper bottom plate to move upwards, the upper part of the die and the blank move upwards together with the upper bottom plate, the upper die holder moves upwards under the action of the self gravity, and moves downwards at the same time until the steps of the connecting block are stuck to the bottom surface of the step groove in the upper bottom plate, and stops moving when the mold moves to a position where the wheel blank can be taken out, the power mechanism props the upper ejector to move downwards, the conical surface of the upper ejector presses the ejector rod to move along the radial direction of the mold, so that the upper mold base is ejected out dispersedly along the central line thereof, can when forming when reacing the automatic dropping of wheel blank, the utility model has the advantages of reasonable design, easy operation, degree of automation are higher, forge the type of concave type wheel well department and realize automatic drawing of patterns, forge the mould for the aluminum alloy wheel that has concave type wheel well portion structure and provide the solution.
Drawings
Fig. 1 is a schematic view of a radial cross-section structure of an embodiment of the present invention;
fig. 2 is a schematic bottom view of the upper part structure of the embodiment of the present invention;
fig. 3 is a schematic top view of the upper part structure of the embodiment of the present invention;
FIG. 4 is a schematic view of a radial cross-sectional structure of a prior art mold;
FIG. 5 is a schematic view of the radial cross-section structure of the forged open die state of the embodiment of the present invention;
fig. 6 is a schematic view of the radial cross-section structure of the initial forging state of the embodiment of the present invention.
Reference numerals: 1. a lower base plate; 2. a lower die holder; 3. a lower mold core; 4. an upper mold core; 5. a first spring; 6. feeding a material ejector; 7. an upper base plate; 8. ejecting the rod; 9. an upper die holder; 10. connecting blocks; 11. a fixed seat; 12. locking a nut; 13. a movable rod; 14. a second spring; 15. a lower ejector; 16. a blank; 17. and (4) a bar stock.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "radial", "axial", "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience in describing the present invention and for simplification of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 4, in the forging die for the aluminum alloy wheel in the prior art, a lower die holder 2 is installed on a lower base plate 1; the lower mold core 3 is arranged on the inner side of the upper end of the lower mold base 2; the upper mold core 4 is arranged at the lower end of the upper bottom plate 7; the upper die base 9 is cylindrical, the upper die base 9 is arranged at the lower end of an upper base plate 7 and surrounds the outer side of an upper die core 4, an upper ejector 6 is arranged in a central hole of the upper die core 4, the upper ejector 6 is connected with a power mechanism, a lower ejector 15 is arranged in the central hole of the lower die core 3, the inner side wall of the upper die base 9, the upper end surface of the lower die core 3, the upper end surface of the lower ejector 15, the lower end surface of the upper ejector 6 and the lower end surface of the upper die core 4 form a model cavity of a blank 16, when the die is opened, a forging press drives the upper base plate to move upwards, the upper part of the die and the blank move upwards together along with the upper base plate, the blank 16 is separated under the driving force of the upper ejector 6, the upper die base 9 is integrally formed and is fixedly connected with the upper base plate 7, for an aluminum alloy wheel with an internally concave wheel well, if the inner side of, by adopting the existing forging die, the blank 16 can not fall off under the action of the driving force of the upper ejector 6 during die opening.
The utility model provides a forging die of an aluminum alloy wheel with an inner concave wheel well, as shown in figure 1, a lower die holder 2 is arranged on a lower bottom plate 1; the lower mold core 3 is arranged on the inner side of the upper end of the lower mold base 2; the upper mold core 4 is arranged at the lower end of the upper bottom plate 7; the upper die base 9 is installed at the lower end of the upper bottom plate 7 and surrounds the outer side of the upper die core 4, the upper ejector 6 is placed in a central hole of the upper die core 4, the upper ejector 6 is connected with the power mechanism, the upper die base 9 is divided into a plurality of split bodies along the radial direction, the number of the split bodies is at least two, and the upper die base is at least 2 split bodies which can be realized; a flange matched with the well part of the inner concave wheel is arranged on the inner side of the upper die holder 9, a space formed by the inner side wall of the upper die holder 9, the upper end surface of the lower die core 3 and the lower end surface of the upper die core 4 forms the shape of a blank 16, a step groove is arranged at the position, corresponding to the upper die holder 9, of the top end of the upper bottom plate 7, a connecting block 10 is placed in the step groove, the connecting block 10 is in a step shape, the maximum width of the upper portion of the connecting block is larger than that of the lower portion of the connecting block, the connecting block 10 penetrates through the step groove and is fixedly connected with; when the die is in a forging state, namely before the die opening state is completed in forging, as shown in fig. 1, the lower end of the upper die base 9 is close to the lower die base 2, the flange of the upper die base 9 is buckled with the wheel well part of the blank 16, and the stepped surface of the connecting block 10 is separated from the bottom surface of the stepped groove of the upper bottom plate 7 and is positioned above the bottom surface of the stepped groove; the top and the bottom of the upper ejector 6 are both cylinders with the same outer diameter and the same inner diameter of the central hole, a cone is arranged between the top and the bottom, a through hole is arranged in the upper die core 4 corresponding to the direction of the symmetry axis of the transverse section of the upper die base 9, an ejector rod 8 is arranged in the through hole, one end of the ejector rod 8 is in contact with the conical surface of the cone, and the other end of the ejector rod is in contact with the upper die base 9.
The utility model divides the cylindrical upper die base in the prior art into a plurality of split bodies along the radial direction, the inner side is provided with a flange matched with the well part of the inward concave wheel, when the die sinking state is completed by forging, the bottom ejector rod of the cone of the upper ejector is contacted with the upper die base, when the die sinking is performed, the forging press drives the upper die base to move upwards, the upper part of the die and the blank move upwards along with the upper die base, the upper die base moves downwards simultaneously under the action of self gravity until the step of the connecting block is attached to the bottom surface of the step groove in the upper die base, the blank moves downwards under the drive of the upper die base so as to be separated from the upper die core, then the power mechanism props the upper ejector to move downwards, the conical surface of the upper ejector presses the ejector rod to move outwards along the radial direction of the die, each split body of the upper die base is respectively ejected outwards in, the utility model has the advantages of reasonable design, easy operation, degree of automation are higher, forge the type of concave type wheel well department and realize automatic drawing of patterns, provide the solution for the aluminum alloy wheel forging mould that has concave type wheel well portion structure.
As a specific embodiment of the forging die for aluminum alloy wheels with concave wheel wells of the present invention, as shown in fig. 2-3, the upper base plate 7 is rectangular, the upper die base 9 is divided into four separate bodies along the radial direction, the central lines of the four separate bodies coincide with the transverse central line or the longitudinal central line of the upper base plate 7, and two step grooves are symmetrically formed in the top end of the upper base plate 7 corresponding to the position of each upper die base 9; the step grooves are long-strip-shaped, the connecting blocks 10 are T-shaped step-shaped, the upper parts of the connecting blocks are rectangular blocks, the connecting blocks 10 are installed in the step grooves in a matching mode, and the transverse central line or the longitudinal central line of each step groove or the connecting block 10 is parallel or vertical to the transverse central line or the longitudinal central line of the upper bottom plate 7; the connecting block 10 moves along the central line direction along with the upper die base 9, and a guide groove is formed in the step groove corresponding to the moving direction of the connecting block 10.
As a specific embodiment of the forging die for aluminum alloy wheels with concave wheel wells of the present invention, a longitudinal first spring 5 is placed at the lower side of the upper ejector 6 in the central hole, and when the power mechanism no longer abuts against the ejector 6, the ejector 6 moves upward under the action of the first spring 5; it should be noted that the power mechanism is connected with the upper ejector and used for providing pressure for downward movement of the upper ejector, but the power mechanism does not obstruct the upward movement of the upper ejector, and optionally, the power mechanism is a central oil cylinder of the press.
As a specific implementation mode of the forging mould of aluminum alloy wheel with indent type wheel well portion, as shown in fig. 2, fixing base 11 is installed in the outside that the lower extreme of upper plate 7 is located every upper die base 9 components of a whole that can function independently, fixing base 11 is rectangular shape, the length direction of fixing base 11 is parallel with the edge of the upper plate 7 that is close to, the outside terminal surface of upper die base 9 contacts with the one end of horizontal telescopic link, the other end and the 11 fixed connection of fixing base of telescopic link, upper die base 9 moves to the outside dispersion respectively along its central line under the horizontal thrust effect of ejector rod 8, telescopic link shrink motion, when the horizontal thrust of ejector rod 8 disappears, the telescopic link can promote upper die base 9 and gather together the motion to the mould center.
As a specific embodiment of the forging die for the aluminum alloy wheel with the concave wheel well part, two transverse through holes are symmetrically arranged on the fixed seat 11 corresponding to the outer side of the upper die holder 9, and the telescopic rod comprises a movable rod 13 with one end contacting with the outer side of the upper die holder 9; preferably, a vertical bar-shaped groove is formed in the outer side of the upper die base 9 corresponding to the position of the telescopic rod, and the end part of the telescopic rod extends into the inner side of the vertical bar-shaped groove and is in contact with the groove; the vertical bar-shaped groove reserves a space for the up-and-down displacement of the upper die base 9; the other end of the movable rod 13 is of a sleeve structure, a guide rod is sleeved in the sleeve structure, the guide rod penetrates through a transverse through hole in the fixed seat 11 and is fixedly connected with the fixed seat 11 through the lock nut 12, the inner diameter of the transverse through hole in the fixed seat 11 is larger than the outer diameter of the movable rod 13, and a transverse second spring 14 is sleeved on the guide rod between the lock nut 12 and the movable rod 13; when the upper die holder 9 respectively moves outwards along the central line thereof under the action of the transverse thrust of the ejector rod 8, the movable rod 13 moves outwards along the guide rod, the second spring 14 is compressed, and when the transverse thrust of the ejector rod 8 disappears, the second spring 14 pushes the movable rod 13 to move reversely along the guide rod, so that the upper die holder 9 is pushed to move towards the center of the die in a gathering manner.
As a concrete implementation mode of the forging die for aluminum alloy wheels with the concave wheel well part, the ejection rod 8 is connected with a sliding ball with one end contacted with the conical surface of the cone, which is favorable for reducing the resistance between the conical surface and the ejection rod.
As shown in fig. 5, the utility model discloses a forging mould of aluminum alloy wheel with indent wheel well portion, when forging the back die sinking, the forging press drives upper plate 7 upward movement, mould upper portion and blank are along with the same upward movement of upper plate 7, upper die base 9 is under self action of gravity, the while downstream, it dies to paste with the bottom surface in upper plate 7 middle step groove up to connecting block 10 step, thereby blank 16 breaks away from upper die core 4 at the drive of upper die base 9 downstream, then power unit withstands upper ejector 6 downstream, the conical surface of upper ejector 6 is pushed ejector pin 8 and is outwards removed along the radial direction of mould, it is ejecting respectively to the outside along its central line each components of a whole that can function as forming when arriving the wheel blank and dropping automatically.
As shown in fig. 6, the utility model discloses a forging mould of aluminum alloy wheel with indent wheel well portion, take the blank wheel away the back, when power unit no longer withstands last ejector 6, go up ejector 6 upward movement under first spring 5's effect, space appears between ejector rod 8 and the ejector 6, movable rod 13 pushes upper die base 9 and moves to the mould center under second spring 14's effect, until dying with last mold core 4 subsides, at this moment put bar 19 on lower mold core 3, the press drives mould upper portion downward movement, it dies to paste up upper die base 9 and lower bolster 2, begin new forging process.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A forging die for an aluminum alloy wheel with a concave wheel well part is characterized in that a lower die holder (2) is arranged on a lower bottom plate (1); the lower mold core (3) is arranged on the inner side of the upper end of the lower mold base (2); the upper mold core (4) is arranged at the lower end of the upper bottom plate (7); the upper die holder (9) is cylindrical, the upper die holder (9) is arranged at the lower end of an upper base plate (7) and surrounds the outer side of the upper die core (4), an upper ejector (6) is placed in a central hole of the upper die core (4), and the upper ejector (6) is connected with a power mechanism, the upper die holder (9) is divided into a plurality of split bodies along the radial direction, a flange matched with an inward concave wheel well part is arranged on the inner side of the upper die holder (9), a space formed by the inner side wall of the upper die holder (9), the upper end surface of a lower die core (3) and the lower end surface of the upper die core (4) forms a blank (16), a step groove is arranged at the position, corresponding to the upper die holder (9), of the top end of the upper base plate (7), a connecting block (10) is placed in the step groove, the connecting block (10) is step-shaped, the maximum width of the upper part of the connecting block is larger than that of the, the upper die holder (9) can move along the direction of the central line thereof; go up the top and the bottom of ejector (6) be the external diameter with the cylinder that the centre bore internal diameter is the same, be the cone between top and the bottom, go up and correspond on mold core (4) the transverse cross-section's of upper die base (9) symmetry axis direction is provided with the through-hole, install ejector pin (8) in the through-hole, the one end of ejector pin (8) with the conical surface of cone contacts, the other end with upper die base (9) contact.
2. The forging die for aluminum alloy wheel with well portion of concave type as recited in claim 1, wherein a longitudinal first spring (5) is placed in said central hole at the lower side of the upper ejector (6).
3. The forging die for aluminum alloy wheels with concave wheel wells as in claim 1, wherein the upper die holder (9) is divided into four split parts equally along the radial direction, and two step grooves are symmetrically arranged at the top end of the upper bottom plate (7) corresponding to the upper die holder (9).
4. The forging die for the aluminum alloy wheel with the concave wheel well part as recited in claim 1, wherein a fixed seat (11) is installed at the lower end of the upper base plate (7) and positioned at the outer side of the upper die holder (9), the outer side end face of the upper die holder (9) is in contact with one end of a transverse telescopic rod, the other end of the telescopic rod is fixedly connected with the fixed seat (11), and the telescopic rod can push the upper die holder (9) to gather towards the center of the die.
5. The forging die for the aluminum alloy wheel with the concave wheel well part is characterized in that transverse through holes are symmetrically formed in the fixed seat (11) corresponding to the outer side of the upper die holder (9), the telescopic rod comprises a movable rod (13) with one end in contact with the outer side of the upper die holder (9), the other end of the movable rod (13) is of a sleeve structure, a guide rod is sleeved inside the sleeve structure and penetrates through the transverse through holes in the fixed seat (11) and is fixedly connected with the fixed seat (11) through a lock nut (12), the inner diameter of the transverse through hole in the fixed seat (11) is larger than the outer diameter of the movable rod (13), and a transverse second spring (14) is sleeved between the lock nut (12) and the movable rod (13) on the guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022680102.6U CN213613907U (en) | 2020-11-18 | 2020-11-18 | Forging die of aluminum alloy wheel with concave wheel well portion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022680102.6U CN213613907U (en) | 2020-11-18 | 2020-11-18 | Forging die of aluminum alloy wheel with concave wheel well portion |
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| Publication Number | Publication Date |
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| CN213613907U true CN213613907U (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022680102.6U Active CN213613907U (en) | 2020-11-18 | 2020-11-18 | Forging die of aluminum alloy wheel with concave wheel well portion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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2020
- 2020-11-18 CN CN202022680102.6U patent/CN213613907U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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