CN118080757A - Forging device and forming method for aluminum alloy wheel - Google Patents
Forging device and forming method for aluminum alloy wheel Download PDFInfo
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- CN118080757A CN118080757A CN202410479226.8A CN202410479226A CN118080757A CN 118080757 A CN118080757 A CN 118080757A CN 202410479226 A CN202410479226 A CN 202410479226A CN 118080757 A CN118080757 A CN 118080757A
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 72
- 238000005242 forging Methods 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 160
- 238000010438 heat treatment Methods 0.000 claims abstract description 109
- 238000007789 sealing Methods 0.000 claims abstract description 102
- 230000009471 action Effects 0.000 claims abstract description 13
- 230000006698 induction Effects 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 14
- 238000001125 extrusion Methods 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 10
- 239000007789 gas Substances 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 4
- 238000011084 recovery Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 description 9
- 238000003825 pressing Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to the technical field of hub forging equipment, in particular to a forging device and a forming method of an aluminum alloy wheel, wherein the forging device also comprises a sealing mechanism, a heating mechanism and a connecting mechanism; the sealing mechanism is movably arranged on the frame and is used for sealing the upper die and the lower die, and the sealing mechanism can be lifted along the vertical direction; the heating mechanism is movably arranged on the upper die and is used for heating the aluminum alloy column; the connecting mechanism comprises an elastic supporting piece and a connecting component, wherein two ends of the elastic supporting piece are respectively connected with the upper die and the heating mechanism, and the connecting component is used for connecting the sealing mechanism and the heating mechanism; under the operating condition, the heating mechanism can synchronously lift with the sealing mechanism under the connection action of the connecting component, and the heating mechanism can be completely recovered into the upper die through lifting. The invention realizes the function of stably controlling the recovery of the heating mechanism before forging processing and solves the problem that the forging device is damaged due to the fact that the heating mechanism is not recovered in time.
Description
Technical Field
The invention relates to the technical field of hub forging equipment, in particular to a forging device and a forming method of an aluminum alloy wheel.
Background
Hub forging is a process of working a metal blank by applying pressure to it using a forging machine to plastically deform it to obtain a hub having specific mechanical properties, shape and dimensions. At present, when forging is performed by forging equipment, aluminum alloy is required to be heated and then forged and formed through pressurization, but after the aluminum alloy is heated, oxidation reaction is easy to occur, so that the physical property of the aluminum alloy is influenced, and the quality of a formed hub is further influenced.
To this end, chinese patent publication No. CN116652083B discloses a commercial car wheel forging device, it has realized through setting up seal cover and sealing ring that both combine, form certain airtight space, and then when heating the aluminum alloy post and carrying out hot forging and pressing to the aluminum alloy post, reduce the circulation of outside air, and then avoid aluminum alloy post and outside air to have too much contact, lead to the aluminum alloy post to be oxidized, influence hub quality, and, make the aluminum alloy post heat between bed die and last mould, reduce the transfer process, increase machining efficiency, simultaneously through setting up of forging groove and inlet tube, make through the forging groove of inlet tube left portion pours into a certain amount of water into, the in-process of heating wire to the aluminum alloy post heating down the bed die, on the one hand avoid the high temperature of bed die too high, when leading to follow-up forging and pressing, the aluminum alloy post bonds together with the bed die, on the other hand, high temperature between bed die and last mould is isolated, avoid a large amount of heat to outwards conduct, lead to outside temperature too high, influence staff's operation.
But in order to reduce the oxidation of aluminum alloy post in the course of working, need install seal cover and sealing ring after accomplishing the material loading, and in order to guarantee the leakproofness, need make seal cover and sealing ring and mould close fit, the installation is comparatively difficult, has great influence to machining efficiency, and can cause the incident once the dislocation condition appears to after accomplishing the heating of aluminum alloy post, need guarantee to retrieve the heating ring, in case the heating ring in the forging and pressing process is not in time retrieved, the extrusion of last mould and bed die can lead to mould, work piece and heating device impaired.
Disclosure of Invention
Aiming at the problems, the forging device and the forming method for the aluminum alloy wheel are provided, and the problem that the forging device is damaged due to the fact that a heating mechanism is not recovered in time is solved through a sealing mechanism, a heating mechanism and a connecting mechanism.
In order to solve the problems in the prior art, the invention provides a forging device of an aluminum alloy wheel, which is used for processing an aluminum alloy column into a wheel hub, and comprises a frame, wherein an upper die and a lower die are arranged on the frame, a forging head for processing the wheel hub is arranged on the upper die, and a first linear driver for driving the upper die and the forging head to lift is also arranged on the frame; the forging device also comprises a sealing mechanism, a heating mechanism and a connecting mechanism; the sealing mechanism is movably arranged on the frame and is used for sealing the upper die and the lower die, and the sealing mechanism can be lifted along the vertical direction; the heating mechanism is movably arranged on the upper die and is used for heating the aluminum alloy column; the connecting mechanism comprises an elastic supporting piece and a connecting component, wherein two ends of the elastic supporting piece are respectively connected with the upper die and the heating mechanism, and the connecting component is used for connecting the sealing mechanism and the heating mechanism; under the operating condition, the heating mechanism can synchronously lift with the sealing mechanism under the connection action of the connecting component, and the heating mechanism can be completely recovered into the upper die through lifting.
Preferably, the connection assembly comprises a mounting seat and a support; the mounting seat is arranged on the sealing mechanism, and a first clamping block is arranged on the mounting seat in a sliding manner; the support is arranged on the heating mechanism and provided with a clamping groove matched with the first clamping block; the mounting seat is provided with a control component for controlling the first clamping block to move; the first clamping block on the mounting seat is clamped with the clamping groove on the support, and when the sealing mechanism moves downwards, the mounting seat pushes the support to move downwards through the first clamping block; when the upper die is driven to move downwards by the first linear driver, the control assembly controls the first clamping block to move in the direction away from the clamping groove until the first clamping block is separated from the clamping groove, and the connection between the mounting seat and the support is disconnected.
Preferably, the control assembly comprises a movable plate and a first elastic member; the movable plate is slidably arranged on the mounting seat; two ends of the first elastic piece are respectively connected with the movable plate and the first clamping block; the mounting seat is also provided with an auxiliary control mechanism for controlling the movable plate to move; when the upper die moves downwards, the auxiliary control mechanism controls the movable plate to slide in a direction away from the clamping groove, and the movable plate pulls the first clamping block to move through the first elastic piece until the first clamping block is separated from the clamping groove.
Preferably, the auxiliary control mechanism comprises a support shaft, a control rod and a sensing assembly; the support shaft is rotatably arranged on the mounting seat; the control rod is sleeved on the support shaft; the induction component is movably arranged on the mounting seat; two ends of the control rod are respectively and movably hinged with the movable plate and the induction component; the upper die is separated from the induction component when moving downwards, the induction component is reset after losing the extrusion effect, one end of the control rod, which is close to the induction component, is subjected to the pulling effect of the induction component, the control rod drives the supporting shaft to rotate, one end of the control rod, which is close to the movable plate, pulls the movable plate, and the movable plate slides in the direction away from the clamping groove.
Preferably, the sensing assembly comprises a sensing plate, a second clamping block, a connecting rod and a second elastic piece; the induction plate and the second clamping block are slidably arranged on the mounting seat; one end of the control rod, which is far away from the movable plate, is movably hinged with the induction plate; two ends of the connecting rod are respectively connected with the induction plate and the second clamping block; the two ends of the second elastic piece are respectively connected with the mounting seat and the induction plate.
Preferably, the connecting assembly and the control assembly are provided with at least three groups, and the plurality of groups of connecting assemblies and the control assembly are distributed in an annular array about the axis of the lower die.
Preferably, the sealing structure comprises a second linear actuator and a sealing frame; the second linear driver is arranged on the frame, and the driving end of the second linear driver is connected with the sealing frame; two sides of the sealing frame are provided with gas injection pipes; the upper die and the sealing frame are driven to move downwards through the first linear driver and the second linear driver respectively until the sealing frame is in tight fit with the frame, and then inert gas is injected into the inner cavity of the sealing frame through the gas injection pipe.
Preferably, at least two lower dies are arranged on the frame, and the plurality of lower dies are distributed at equal intervals along the horizontal direction.
Preferably, the frame is provided with a support in a sliding manner, and the frame is also provided with a linear driving assembly for controlling the movement of the support.
A forming method of an aluminum alloy wheel uses a forging device of the aluminum alloy wheel, which comprises the following steps: s1, placing an aluminum alloy column into a lower die; s2, controlling the sealing mechanism and the upper die to descend until the sealing mechanism wraps and seals the upper die and the lower die, and driving the heating mechanism to move downwards through the connecting component by the sealing mechanism; s3, starting a heating mechanism, and heating the aluminum alloy column; s4, after heating is completed, the first linear driver controls the upper die to move downwards again, meanwhile, the connection of the connecting assembly is disconnected, the heating mechanism is recovered under the elastic action of the elastic supporting piece, and the aluminum alloy column is forged through the extrusion action of the upper die and the lower die.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, the recovery function of the heating mechanism is stably controlled before forging processing through the sealing mechanism, the heating mechanism and the connecting mechanism, the heating effect on the aluminum alloy column is achieved through the heating mechanism, and simultaneously the heating mechanism can be synchronously controlled to descend when the sealing mechanism descends through the cooperation of the connecting assembly, so that the problem that the forging device is damaged due to the fact that the heating mechanism is not recovered in time is solved.
2. According to the invention, the functions of rapidly controlling the connection and disconnection of the sealing mechanism and the heating mechanism are realized through the mounting seat, the support and the control assembly, and the effect of rapidly recovering the heating ring is achieved when the upper die moves downwards in cooperation with the elastic support piece.
Drawings
Fig. 1 is a schematic perspective view of a forging apparatus for an aluminum alloy wheel.
Fig. 2 is a schematic perspective view of the cooperation of the upper die, the lower die, the sealing mechanism and the heating mechanism in the forging device of the aluminum alloy wheel.
FIG. 3 is a schematic perspective view of an upper die, a sealing mechanism and a heating mechanism in a forging apparatus for aluminum alloy wheels, with the heating ring in an extended state.
FIG. 4 is a schematic perspective view of an upper die and a heating mechanism in a forging apparatus for aluminum alloy wheels, with the heating ring in a retracted state.
FIG. 5 is a schematic perspective view of an upper die and a heating mechanism in a forging apparatus for aluminum alloy wheels, with a heating ring in an extended state.
FIG. 6 is a schematic perspective view of a connection assembly, control assembly and auxiliary control mechanism in a forging apparatus for aluminum alloy wheels.
FIG. 7 is an exploded perspective view of a connection assembly, control assembly and auxiliary control mechanism in a forging apparatus for aluminum alloy wheels.
Fig. 8 is a perspective view of the auxiliary control mechanism in the forging apparatus for aluminum alloy wheels when the second clamping block is extended.
Fig. 9 is a schematic perspective view of an auxiliary control mechanism in the forging apparatus for aluminum alloy wheels when the second clamping block is recovered.
Fig. 10 is a perspective view of a frame, a bracket and a linear drive assembly in a forging apparatus for aluminum alloy wheels.
The reference numerals in the figures are: 1-a frame; 11-upper die; 12-lower die; 13-a first linear drive; 14-a bracket; 15-a linear drive assembly; 151-a rotary drive; 152-screw; 2-a sealing mechanism; 21-a second linear drive; 22-a sealing frame; 221-gas injection pipe; 3-a heating mechanism; 31-an annular bracket; 32-heating ring; 4-a connection mechanism; 41-elastic support; 42-a connection assembly; 421-mount; 4211-a first clip; 422-support; 4221-a clamping groove; 43-a control assembly; 431-a movable plate; 432-a first elastic member; 5-an auxiliary control mechanism; 51-a support shaft; 52-a control lever; 53-a sensing assembly; 531-a sensing plate; 532—a second latch; 533-a connecting rod; 534-second elastic member.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1-4: the forging device for the aluminum alloy wheel is used for processing an aluminum alloy column into a wheel hub and comprises a frame 1, wherein an upper die 11 and a lower die 12 are arranged on the frame 1, a forging head for processing the wheel hub is arranged on the upper die 11, and a first linear driver 13 for driving the upper die 11 and the forging head to lift is also arranged on the frame 1; the forging device also comprises a sealing mechanism 2, a heating mechanism 3 and a connecting mechanism 4; the sealing mechanism 2 is movably arranged on the frame 1 and is used for sealing the upper die 11 and the lower die 12, and the sealing mechanism 2 can be lifted in the vertical direction; the heating mechanism 3 is movably arranged on the upper die 11 and is used for heating the aluminum alloy column; the connecting mechanism 4 comprises an elastic supporting piece 41 and a connecting component 42, wherein two ends of the elastic supporting piece 41 are respectively connected with the upper die 11 and the heating mechanism 3, and the connecting component 42 is used for connecting the sealing mechanism 2 and the heating mechanism 3; in the working state, the heating mechanism 3 can synchronously lift with the sealing mechanism 2 under the connection action of the connecting component 42, and the heating mechanism 3 can be completely recovered into the upper die 11 through lifting; the method comprises the following steps: s1, placing an aluminum alloy column into a lower die 12; s2, controlling the sealing mechanism 2 and the upper die 11 to descend until the sealing mechanism 2 wraps the upper die 11 and the lower die 12 and the sealing mechanism 2 drives the heating mechanism 3 to move downwards through the connecting component 42; s3, starting a heating mechanism 3, and heating the aluminum alloy column; and S4, after the heating is finished, the first linear driver 13 controls the upper die 11 to move downwards again, meanwhile, the connection of the connecting component 42 is disconnected, the heating mechanism 3 is recovered under the elastic action of the elastic supporting piece 41, and the aluminum alloy column is forged through the extrusion action of the upper die 11 and the lower die 12.
According to the invention, the function of stably controlling the recovery of the heating mechanism 3 before forging processing is realized through the sealing mechanism 2, the heating mechanism 3 and the connecting mechanism 4, the effect of heating the aluminum alloy column is achieved through the heating mechanism 3, and meanwhile, the heating mechanism 3 can be synchronously controlled to descend when the sealing mechanism 2 descends by matching with the connecting assembly 42, so that the problem that the forging device is damaged due to the fact that the heating mechanism 3 is not recovered in time is solved. The first linear actuator 13 is preferably a hydraulic telescopic rod, and the first linear actuator 13 is electrically connected with the controller; the elastic support 41 is preferably a compression spring; the heating mechanism 3 comprises an annular bracket 31 and a heating ring 32, the annular bracket 31 is connected with the heating ring 32, two ends of an elastic supporting piece 41 are respectively connected with the annular bracket 31 and the upper die 11, and a connecting component 42 is connected with the annular bracket 31 and the sealing mechanism 2; during processing, an operator firstly puts an aluminum alloy column into the lower die 12, then drives the forging head to move downwards through the first linear driver 13, the forging head drives the sealing mechanism 2 and the upper die 11 to descend, the sealing mechanism 2 seals the upper die 11 and the lower die 12, meanwhile, the sealing mechanism 2 overcomes the elastic force of the elastic supporting piece 41 through the connecting component 42 to drive the annular bracket 31 and the heating ring 32 to move downwards, after the heating ring 32 moves downwards, the aluminum alloy column is wrapped from the side, then the aluminum alloy column is heated through the heating ring 32, after the heating is finished, a signal is sent to the first linear driver 13 through the controller, the first linear driver 13 receives the signal and then controls the upper die 11 to move downwards through the forging head, meanwhile, the connection component 42 is disconnected, the annular bracket 31 moves upwards under the elastic force of the elastic supporting piece 41, and then drives the heating ring 32 to move upwards through the annular bracket 31, so that the heating ring 32 is recovered into the upper die 11, and the situation that parts are damaged due to the extrusion in the forging process is avoided.
Referring to fig. 3-7: the connection assembly 42 includes a mounting seat 421 and a support 422; the mounting seat 421 is mounted on the sealing mechanism 2, and the mounting seat 421 is slidably provided with a first clamping block 4211; the support 422 is arranged on the heating mechanism 3, and a clamping groove 4221 matched with the first clamping block 4211 is formed in the support 422; the mounting seat 421 is provided with a control component 43 for controlling the first clamping block 4211 to move; in step S2, the first clamping block 4211 on the mounting seat 421 is clamped with the clamping groove 4221 on the support 422, and when the sealing mechanism 2 moves down, the mounting seat 421 pushes the support 422 to move down through the first clamping block 4211; in step S4, when the first linear actuator 13 drives the upper mold 11 to move downward, the control assembly 43 controls the first clamping block 4211 to move away from the clamping groove 4221 until the first clamping block 4211 is separated from the clamping groove 4221, and disconnects the mounting seat 421 and the support 422.
The invention realizes the function of rapidly controlling the connection and disconnection of the sealing mechanism 2 and the heating mechanism 3 through the mounting seat 421, the support 422 and the control component 43, and achieves the effect of rapidly recovering the heating ring 32 when the upper die 11 moves downwards in cooperation with the elastic support 41. During processing, an operator firstly puts an aluminum alloy column into the lower die 12, then controls the sealing mechanism 2 and the upper die 11 to descend, the sealing mechanism 2 seals the upper die 11 and the lower die 12, meanwhile, the mounting seat 421 on the sealing mechanism 2 is pushed to move by the clamping connection of the first clamping block 4211 and the clamping groove 4221, the annular support 31 and the heating ring 32 are driven to move downwards by the support 422 against the elastic force of the elastic support 41, the aluminum alloy column is wrapped from the side after the heating ring 32 moves downwards, then the aluminum alloy column is heated by the heating ring 32, after the heating is finished, a signal is sent to the first linear driver 13 through the controller, the first linear driver 13 controls the upper die 11 to move downwards after receiving the signal, meanwhile, the control component 43 controls the first clamping block 4211 to be separated from the clamping groove 4221, the connection component 42 is disconnected, the annular support 31 moves upwards under the elastic force of the elastic support 41, and then the heating ring 32 is driven to move upwards by the annular support 31, and the heating ring 32 is recovered into the upper die 11. After the processing is finished, the first linear driver 13 firstly controls the upper die 11 to reset, the upper die 11 jacks up the annular support 31 through the elastic support frame to reset, the annular support 31 is limited by the frame 1 to stop moving after being matched with the frame 1, the upper die 11 continues to reset, the elastic support 41 is compressed, then the sealing mechanism 2 is reset, and when the first clamping block 4211 on the mounting seat 421 is matched with the clamping groove 4221 on the support 422, the first clamping block 4211 is controlled to be in butt joint with the clamping groove 4221 again through the control assembly 43.
Referring to fig. 6-8: the control assembly 43 includes a movable plate 431 and a first elastic member 432; the movable plate 431 is slidably mounted on the mounting seat 421; both ends of the first elastic member 432 are connected to the movable plate 431 and the first clamping block 4211, respectively; the mounting seat 421 is also provided with an auxiliary control mechanism 5 for controlling the movable plate 431 to move; in step S4, when the upper mold 11 moves downward, the auxiliary control mechanism 5 controls the movable plate 431 to slide in a direction away from the locking groove 4221, and the movable plate 431 pulls the first locking block 4211 to move by the first elastic member 432 until the first locking block 4211 is separated from the locking groove 4221.
The invention realizes the function of controlling the movement of the first clamping block 4211 through the movable plate 431, the first elastic piece 432 and the auxiliary control mechanism 5, and achieves the effect of controlling the cooperation of the first clamping block 4211 and the clamping groove 4221. Under the operating condition, when sealing mechanism 2 moves down, mount pad 421 on sealing mechanism 2 drives support 422 through the cooperation of first fixture block 4211 and draw-in groove 4221 and removes, and support 422 drives ring support 31 and heating ring 32 synchronous motion, and then reaches when sealing mechanism 2 wraps up upper mould 11, lower mould 12, wraps up the aluminum alloy post through heating ring 32 to heat the effect of aluminum alloy post. After the heating is completed, the first linear driver 13 drives the upper die 11 to move downwards, meanwhile, the auxiliary control mechanism 5 controls the movable plate 431 to move towards a direction away from the clamping groove 4221, the movable plate 431 pulls the first clamping block 4211 to move through the first elastic piece 432 until the first clamping block 4211 is separated from the clamping groove 4221, the connection between the sealing mechanism 2 and the heating mechanism 3 is disconnected, and the annular support 31 is rapidly recovered under the elastic force of the elastic supporting piece 41.
Referring to fig. 7 and 8: the auxiliary control mechanism 5 comprises a support shaft 51, a control rod 52 and a sensing assembly 53; the support shaft 51 is rotatably installed on the installation seat 421; the control rod 52 is sleeved on the support shaft 51; the sensing component 53 is movably arranged on the mounting seat 421; both ends of the control rod 52 are respectively movably hinged with the movable plate 431 and the induction component 53; in step S4, when the upper mold 11 moves downward, the upper mold is separated from the sensing component 53, the sensing component 53 is reset after losing the extrusion effect, the end of the control rod 52 close to the sensing component 53 is pulled by the sensing component 53, the control rod 52 drives the support shaft 51 to rotate, the end of the control rod 52 close to the movable plate 431 pulls the movable plate 431, and the movable plate 431 slides in a direction away from the clamping groove 4221.
The present invention realizes the function of controlling the movement of the movable plate 431 through the support shaft 51, the control lever 52 and the sensing assembly 53. After the heating is completed, the first linear driver 13 drives the upper die 11 to move downwards, the upper die 11 is separated from the sensing component 53 when moving downwards, the sensing component 53 is reset after losing the extrusion effect, one end of the control rod 52, which is close to the sensing component 53, is pulled by the sensing component 53, the control rod 52 drives the support shaft 51 to rotate, one end of the control rod 52, which is close to the movable plate 431, pulls the movable plate 431 to slide in a direction away from the clamping groove 4221, the movable plate 431 pulls the first clamping block 4211 to move through the first elastic piece 432 until the first clamping block 4211 is separated from the clamping groove 4221, the connection between the sealing mechanism 2 and the heating mechanism 3 is disconnected, and the annular support 31 is rapidly recovered under the elastic force of the elastic supporting piece 41. After forging is completed, the first linear driver 13 controls the upper die 11 to reset, the upper die 11 pushes the annular support 31 and the heating ring 32 to move through the elastic support member 41, the annular support 31 stops moving after being contacted with the frame 1, the elastic support member 41 is compressed again along with the upward movement of the upper die 11, after the upper die 11 is reset, the sealing mechanism 2 moves upwards, the sensing assembly 53 is matched with the upper die 11 again after the mounting seat 421 on the sealing mechanism 2 is matched with the support 422, the control rod 52 rotates to push out the movable plate 431, and the movable plate 431 pushes the first clamping block 4211 to extend through the first elastic member 432, so that the first clamping block 4211 is connected with the clamping groove 4221, and the sealing mechanism 2 and the heating mechanism 3 are connected so as to process an aluminum alloy column next time.
Referring to fig. 7-9: the sensing assembly 53 includes a sensing plate 531, a second latch 532, a connection rod 533, and a second elastic member 534; the sensing plate 531 and the second latch 532 are slidably mounted on the mounting block 421; one end of the control rod 52 far away from the movable plate 431 is movably hinged with the sensing plate 531; both ends of the connecting rod 533 are connected to the sensing plate 531 and the second clamping block 532, respectively; both ends of the second elastic member 534 are respectively connected with the mounting seat 421 and the sensing plate 531.
The invention realizes the function of sensing the relative position between the upper die 11 and the mounting seat 421 through the sensing plate 531, the second clamping block 532 and the connecting rod 533, and achieves the effect of controlling the movement of the first clamping block 4211 by matching with the control rod 52. After the heating is completed, the first linear driver 13 drives the upper die 11 to move downwards, when the upper die 11 moves downwards, the upper die 11 moves relatively to the sealing mechanism 2, so that the upper die 11 is separated from the second clamping block 532, the second clamping block 532 is not extruded by the upper die 11, the sensing plate 531 slides under the action of the elastic force of the second elastic member 534, the sensing plate 531 pushes the second clamping block 532 to pop out through the connecting rod 533, one end of the control rod 52, which is close to the sensing assembly 53, is pulled by the sensing plate 531, the control rod 52 drives the supporting shaft 51 to rotate, one end of the control rod 52, which is close to the movable plate 431, pulls the movable plate 431 to slide in the direction away from the clamping groove 4221, the movable plate 431 pulls the first clamping block 4211 to move through the first elastic member 432 until the first clamping block 4211 is separated from the clamping groove 4221, the connection between the sealing mechanism 2 and the heating mechanism 3 is disconnected, and the annular support 31 is rapidly recovered under the action of the elastic force of the elastic supporting member 41.
Referring to fig. 2 and 3: the connecting assembly 42 and the control assembly 43 are provided in at least three sets, with the sets of connecting assemblies 42 and control assemblies 43 being distributed in an annular array about the axis of the lower die 12.
The present invention realizes the function of improving the movement stability of the sealing mechanism 2 and the heating mechanism 3 by the plurality of sets of the connecting assembly 42 and the control assembly 43. When the sealing mechanism 2 moves, the heating mechanism 3 is driven to synchronously move through the connecting assembly 42, at least three groups of connecting assemblies 42 are arranged for this purpose, a plurality of mounting seats 421 are uniformly distributed on the outer side of the sealing mechanism 2, a plurality of supports 422 are uniformly distributed on the periphery of the annular support 31, and further the movement of the annular support 31 is stably limited, so that the sealing mechanism 2 can stably drive the annular support 31 to synchronously move.
Referring to fig. 2 and 3: the sealing structure comprises a second linear actuator 21 and a sealing frame 22; the second linear driver 21 is arranged on the frame 1, and the driving end of the second linear driver 21 is connected with the sealing frame 22; two sides of the sealing frame 22 are provided with gas injection pipes 221; in step S2, the upper mold 11 and the sealing frame 22 are driven to move downward by the first linear driver 13 and the second linear driver 21, respectively, until the sealing frame 22 is in tight fit with the frame 1, and then inert gas is injected into the inner cavity of the sealing frame 22 through the gas injection pipe 221.
The present invention achieves the function of providing a sealed space through the first linear actuator 13 and the sealing frame 22, and simultaneously achieves the effect of exhausting the remaining oxygen in the cavity inside the sealing frame 22 through the gas injection pipe 221. During processing, an operator puts the aluminum alloy column into the lower die 12, then drives the upper die 11 and the sealing frame 22 to move downwards synchronously through the first linear driver 13 and the second linear driver 21 respectively until the bottom of the sealing frame 22 is in tight fit with the frame 1, then injects inert gas into the cavity of the sealing frame 22 through the gas injection pipe 221, discharges residual air in the sealed cavity, and further avoids oxidation phenomenon of the aluminum alloy column in the processing process.
Referring to fig. 1: at least two lower dies 12 are arranged on the frame 1, and a plurality of lower dies 12 are distributed at equal intervals along the horizontal direction.
The invention realizes the function of completing feeding and discharging actions in the forging processing process through the plurality of lower dies 12, thereby achieving the function of improving the processing efficiency. After the work piece is forged, need wait for its cooling, avoid work piece and the too inseparable condition that leads to the unloading difficulty of bed die 12 combination, and the work piece is before carrying out extrusion forging, it is long that these two processes take time through heating ring 32 to heat it, for this reason, set up a plurality of processing stations, accomplish processing at one of them station, when waiting for the work piece cooling, just can process the work piece at next station to improve machining efficiency, reduce the time loss in the course of working.
Referring to fig. 1 and 10: the frame 1 is slidably provided with a bracket 14, and the frame 1 is also provided with a linear driving component 15 for controlling the bracket 14 to move.
The invention realizes the function of controlling the movement of the upper die 11 and the sealing mechanism 2 through the bracket 14 and the linear driving component 15, achieves the effect of transferring processing stations, and in order to improve the processing efficiency, at least two processing stations are arranged on the frame 1, thereby improving the portability of feeding and discharging, reducing the loss of time cost, and in order to realize the automatic conversion of the processing stations, the bracket 14 and the linear driving component 15 are arranged, the linear driving component 15 comprises a rotary driver 151 and a screw 152, the driving end of the rotary driver 151 is in transmission connection with the screw 152, the screw 152 is in threaded connection with the bracket 14, and the rotary driver 151 is preferably a servo motor; the first linear actuator 13 and the second linear actuator 21 are each mounted on the bracket 14; during processing, the screw rod 152 is driven to rotate by the rotary driver 151, the screw rod 152 drives the support 14 in threaded connection with the screw rod 152 to move, the support 14 drives the first linear driver 13 and the second linear driver assembly 15 to move, and the first linear driver 13 and the second linear driver 21 respectively drive the lower die 12 and the sealing frame 22 to synchronously move, so that the conversion of processing stations is completed, and the automation of forging processing is improved.
Referring to fig. 1-10: a forming method of an aluminum alloy wheel is applied to a forging device of the aluminum alloy wheel.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (9)
1. The forging device for the aluminum alloy wheel is used for processing an aluminum alloy column into a wheel hub and comprises a frame (1), wherein an upper die (11) and a lower die (12) are arranged on the frame (1), a forging head for processing the wheel hub is arranged on the upper die (11), and a first linear driver (13) for driving the upper die (11) and the forging head to lift is also arranged on the frame (1);
The forging device is characterized by further comprising a sealing mechanism (2), a heating mechanism (3) and a connecting mechanism (4);
the sealing mechanism (2) is movably arranged on the frame (1) and is used for sealing the upper die (11) and the lower die (12), and the sealing mechanism (2) can be lifted in the vertical direction;
The heating mechanism (3) is movably arranged on the upper die (11) and is used for heating the aluminum alloy column;
The connecting mechanism (4) comprises an elastic supporting piece (41) and a connecting component (42), two ends of the elastic supporting piece (41) are respectively connected with the upper die (11) and the heating mechanism (3), and the connecting component (42) is used for connecting the sealing mechanism (2) and the heating mechanism (3);
the connecting component (42) comprises a mounting seat (421) and a support (422);
The mounting seat (421) is arranged on the sealing mechanism (2), and a first clamping block (4211) is arranged on the mounting seat (421) in a sliding manner;
The support (422) is arranged on the heating mechanism (3), and the support (422) is provided with a clamping groove (4221) matched with the first clamping block (4211);
The mounting seat (421) is provided with a control component (43) for controlling the first clamping block (4211) to move;
The first clamping block (4211) on the mounting base (421) is clamped with the clamping groove (4221) on the support (422), and when the sealing mechanism (2) moves downwards, the mounting base (421) pushes the support (422) to move downwards through the first clamping block (4211);
When the first linear driver (13) drives the upper die (11) to move downwards, the control assembly (43) controls the first clamping block (4211) to move in a direction away from the clamping groove (4221) until the first clamping block (4211) is separated from the clamping groove (4221), and the connection between the mounting seat (421) and the support (422) is disconnected;
Under the working condition, the heating mechanism (3) can synchronously lift with the sealing mechanism (2) under the connection action of the connecting component (42), and the heating mechanism (3) can be completely recovered into the upper die (11) through lifting.
2. A forging apparatus for an aluminum alloy wheel as recited in claim 1, wherein the control assembly (43) comprises a movable plate (431) and a first elastic member (432);
the movable plate (431) is slidably arranged on the mounting seat (421);
two ends of the first elastic piece (432) are respectively connected with the movable plate (431) and the first clamping block (4211);
the mounting seat (421) is also provided with an auxiliary control mechanism (5) for controlling the movable plate (431) to move;
When the upper die (11) moves downwards, the auxiliary control mechanism (5) controls the movable plate (431) to slide in a direction away from the clamping groove (4221), and the movable plate (431) pulls the first clamping block (4211) to move through the first elastic piece (432) until the first clamping block (4211) is separated from the clamping groove (4221).
3. A forging apparatus for aluminum alloy wheels as recited in claim 2, wherein the auxiliary control mechanism (5) comprises a support shaft (51), a control lever (52) and an induction assembly (53);
the supporting shaft (51) is rotatably arranged on the mounting seat (421);
the control rod (52) is sleeved on the support shaft (51);
The induction component (53) is movably arranged on the mounting seat (421);
two ends of the control rod (52) are respectively movably hinged with the movable plate (431) and the induction component (53);
When the upper die (11) moves downwards, the upper die is separated from the sensing component (53), the sensing component (53) is reset after losing the extrusion effect, one end of the control rod (52) close to the sensing component (53) is pulled by the sensing component (53), the control rod (52) drives the supporting shaft (51) to rotate, one end of the control rod (52) close to the movable plate (431) pulls the movable plate (431), and the movable plate (431) slides in a direction away from the clamping groove (4221).
4. A forging apparatus for an aluminum alloy wheel as recited in claim 3, wherein the sensing assembly (53) comprises a sensing plate (531), a second fixture block (532), a connecting rod (533), and a second elastic member (534);
The induction plate (531) and the second clamping block (532) are slidably arranged on the mounting seat (421);
one end of the control rod (52) far away from the movable plate (431) is movably hinged with the induction plate (531);
both ends of the connecting rod (533) are respectively connected with the induction plate (531) and the second clamping block (532);
Both ends of the second elastic piece (534) are respectively connected with the mounting seat (421) and the sensing plate (531).
5. Forging apparatus for aluminium alloy wheels according to claim 1, characterized in that the connecting assembly (42) and the control assembly (43) are provided with at least three groups, the groups of connecting assemblies (42) and control assemblies (43) being distributed in an annular array about the axis of the lower die (12).
6. A forging apparatus for an aluminum alloy wheel according to claim 1, wherein the sealing structure comprises a second linear actuator (21) and a seal frame (22);
The second linear driver (21) is arranged on the frame (1), and the driving end of the second linear driver (21) is connected with the sealing frame (22);
two sides of the sealing frame (22) are provided with gas injection pipes (221);
the upper die (11) and the sealing frame (22) are driven to move downwards through the first linear driver (13) and the second linear driver (21) respectively until the sealing frame (22) is in tight fit with the frame (1), and then inert gas is injected into the inner cavity of the sealing frame (22) through the gas injection pipe (221).
7. Forging apparatus for aluminum alloy wheels according to claim 1, characterized in that at least two lower dies (12) are mounted on the frame (1), and the plurality of lower dies (12) are distributed at equal intervals in the horizontal direction.
8. Forging apparatus for aluminium alloy wheels according to claim 7, characterized in that the frame (1) is slidingly fitted with a support (14), and that the frame (1) is further provided with a linear drive assembly (15) for controlling the movement of the support (14).
9. A method of forming an aluminum alloy wheel using the forging apparatus for an aluminum alloy wheel as recited in any one of claims 1 to 8, comprising the steps of:
s1, placing an aluminum alloy column into a lower die (12);
S2, controlling the sealing mechanism (2) and the upper die (11) to descend until the sealing mechanism (2) wraps and seals the upper die (11) and the lower die (12), and the sealing mechanism (2) drives the heating mechanism (3) to move downwards through the connecting component (42);
s3, starting a heating mechanism (3) to heat the aluminum alloy column;
S4, after heating is completed, the first linear driver (13) controls the upper die (11) to move downwards again, meanwhile, the connection of the connecting assembly (42) is disconnected, the heating mechanism (3) is recovered under the elastic action of the elastic supporting piece (41), and the aluminum alloy column is forged through the extrusion action of the upper die (11) and the lower die (12).
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| CN202410479226.8A CN118080757B (en) | 2024-04-22 | 2024-04-22 | Forging device and forming method for aluminum alloy wheel |
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| CN202410479226.8A CN118080757B (en) | 2024-04-22 | 2024-04-22 | Forging device and forming method for aluminum alloy wheel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873246A (en) * | 2012-09-27 | 2013-01-16 | 天津市天锻压力机有限公司 | Hydraulic machine for forging and forming large-sized aluminium alloy wheel hub |
| EP3539691A1 (en) * | 2018-03-13 | 2019-09-18 | Citic Dicastal Co., Ltd. | Continuous casting and continuous forging forming process for aluminum wheel |
| CN114309387A (en) * | 2021-12-23 | 2022-04-12 | 徐州双虎金属工具制造有限公司 | Round steel heating, forging and pressing integrated equipment |
| CN117000925A (en) * | 2023-07-03 | 2023-11-07 | 江苏苏美达德隆汽车部件股份有限公司 | Automobile door lightweight aluminum alloy hinge forging and pressing forming device |
| CN117324462A (en) * | 2023-12-01 | 2024-01-02 | 泊头市亚奇铸业有限公司 | Casting machining stamping mechanism and technology convenient for blanking |
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2024
- 2024-04-22 CN CN202410479226.8A patent/CN118080757B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102873246A (en) * | 2012-09-27 | 2013-01-16 | 天津市天锻压力机有限公司 | Hydraulic machine for forging and forming large-sized aluminium alloy wheel hub |
| EP3539691A1 (en) * | 2018-03-13 | 2019-09-18 | Citic Dicastal Co., Ltd. | Continuous casting and continuous forging forming process for aluminum wheel |
| CN114309387A (en) * | 2021-12-23 | 2022-04-12 | 徐州双虎金属工具制造有限公司 | Round steel heating, forging and pressing integrated equipment |
| CN117000925A (en) * | 2023-07-03 | 2023-11-07 | 江苏苏美达德隆汽车部件股份有限公司 | Automobile door lightweight aluminum alloy hinge forging and pressing forming device |
| CN117324462A (en) * | 2023-12-01 | 2024-01-02 | 泊头市亚奇铸业有限公司 | Casting machining stamping mechanism and technology convenient for blanking |
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