CN216226741U - Large-diameter rim forging die - Google Patents
Large-diameter rim forging die Download PDFInfo
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- CN216226741U CN216226741U CN202122167238.1U CN202122167238U CN216226741U CN 216226741 U CN216226741 U CN 216226741U CN 202122167238 U CN202122167238 U CN 202122167238U CN 216226741 U CN216226741 U CN 216226741U
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Abstract
The utility model belongs to the field of forging dies, and particularly relates to a large-diameter rim forging die which comprises a pre-forging upper die; the bottom end of the pre-forging upper die is provided with a pre-forging lower die; the inner side wall of the pre-forging lower die is connected with a pre-forging ejector rod in a sliding mode; a straight forging upper die is arranged on the side wall of the pre-forging upper die; the bottom end of the upper straight forging die is provided with a lower straight forging die; the aluminum bar is preheated firstly, the preheated aluminum bar is placed on the pre-forging die to be forged, the pre-forging die is placed on the pre-forging die to continue forging after the forging is completed, finally, the die after the direct forging is placed on the hole expanding die to be processed finally, and finally, the formed new wheel ring is taken out.
Description
Technical Field
The utility model relates to the field of forging dies, in particular to a large-diameter rim forging die.
Background
The requirements of people on safety, emission, environmental protection, noise and the like of automobiles are more and more strict.
The wheel of the automobile is one of the most important parts of automobile parts, and is very delicate to the processing of the wheel rim, so that the automobile can run without an air conditioner, a sound, glass and the like, but can not run without the wheel rim, otherwise, the automobile cannot run without the wheel rim.
When a wheel rim is forged in a factory, a preheated aluminum bar is placed on a forging die, and a machine is used for pre-forging, straight forging and punching and expanding holes, but cracks which are forged and reflowed back and forth are produced in the conventional die, so that the large-diameter wheel rim forging die is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects of the prior art, when a wheel rim is forged in a factory, a preheated aluminum bar is placed on a forging die, and a machine is used for pre-forging, straight forging and punching and expanding holes, but the problem that cracks of forging reflux occur back and forth in the existing die manufacturing process is solved.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a large-diameter rim forging die which comprises a pre-forging upper die; the bottom end of the pre-forging upper die is provided with a pre-forging lower die; the inner side wall of the pre-forging lower die is connected with a pre-forging ejector rod in a sliding mode; a straight forging upper die is arranged on the side wall of the pre-forging upper die; the bottom end of the upper straight forging die is provided with a lower straight forging die; the side wall of the straight forging upper die is fixedly connected with a straight forging upper ejector rod; the side wall of the straight forging upper mandril is fixedly connected with a straight forging upper core mould; the bottom end of the upper straight forging core die is provided with a lower straight forging core die; the side wall of the straight forging lower core mold is connected with a straight forging lower mandril in a sliding manner; the bottom end of the straight forging lower die is fixedly connected with a straight forging connecting plate; a hole expanding upper die is arranged on the side wall of the straight forging upper die; a spring connecting rod is fixedly connected inside the upper reaming die; a hole-expanding pressing plate is fixedly connected to the bottom end of the hole-expanding upper die; the bottom end of the reaming pressing plate is provided with a reaming lower die; the bottom end of the hole expanding lower die is fixedly connected with a hole expanding base; the workpiece machined by the new die reduces the generation of reflow cracks.
A lower punching seat is arranged on one side of the reaming base; the end part of the lower punching seat is provided with a prepressing lower die; the end part of the lower punching seat is provided with an upper punching seat; a prepressing upper die is fixedly connected to the side wall of the upper punching seat; an electric push rod is fixedly connected inside the lower punching seat; the output end of the electric push rod is fixedly connected with a prepressing ejector rod; a fixing unit is arranged in the lower punching seat; the fixing unit comprises a fixing column, a first elastic piece, a triangular sliding block, an arc sliding block and a limiting mechanism; the fixing column is fixedly connected to the bottom end of the prepressing lower die; the first elastic piece is fixedly connected to the inner side wall of the fixed column; the triangular sliding block is connected to the inner side wall of the fixing column in a sliding manner; the arc sliding block is connected to the inner side wall of the fixed column in a sliding manner; the limiting mechanism is arranged inside the lower punching seat; the prepressing lower die is installed quickly, and the installation speed is improved.
The limiting mechanism comprises an extrusion plate, a second elastic piece, a rack plate, a gear and a telescopic rod; the rack plate is connected to the inner side wall of the lower punching seat in a sliding manner; the extrusion plate is fixedly connected to the side wall of the rack plate; the second elastic element is fixedly connected to the inner side wall of the lower punching seat; the gear is meshed with the rack plate; the telescopic rod is fixedly connected to the side wall of the gear; the end part of the telescopic rod is hinged with a magnetic sliding plate; the fixed mounting of the prepressing lower die can be reinforced, and the fixed column can be prevented from being directly pulled out.
An air bag is fixedly connected to the inner side wall of the lower punching seat; the interior of the lower punching seat is fixedly connected with a cylinder, and the cylinder is communicated with an air bag; the output end of the cylinder is fixedly connected with a square plate; the inner side wall of the fixed column is fixedly connected with a limiting block; the inner side wall of the square plate is connected with an extrusion rod in a sliding manner; the side wall of the extrusion rod is fixedly connected with a pushing block; the side wall of the square plate is fixedly connected with a third elastic piece; a sliding rod is connected inside the square plate in a sliding manner; the side wall of the sliding rod is fixedly connected with a square magnetic part; the stability of the fixed prepressing lower die is improved.
A first magnetic part is fixedly connected inside the fixing column; a second magnetic part is fixedly connected inside the fixing column; make the slide bar more inseparable when adsorbing square magnetic part, reinforcing fixed effect.
The interior of the lower punching seat is connected with a push rod in a sliding manner; the side wall of the push rod is fixedly connected with a sliding square block; the inner side wall of the lower punching seat is provided with a dismounting assembly; the staff can take out the pre-compaction lower mould that damages, convenient dismantlement.
The dismounting assembly comprises a rotating shaft, a pushing plate and a pull rope; the rotating shaft is rotatably connected to the inner side wall of the lower punching seat; the pushing plate is fixedly connected to the side wall of the rotating shaft; the pull rope is fixedly connected to the side wall of the rotating shaft; the fixing of the fixing column can be conveniently and quickly disassembled.
The utility model has the advantages that:
1. according to the utility model, the aluminum bar is preheated, the preheated aluminum bar is placed on the pre-forging die for forging, the pre-forging die is placed on the direct forging die for continuous forging after the forging is completed, finally, the die after the direct forging is placed on the hole expanding die for final processing, and finally, the formed new wheel ring is taken out.
2. According to the utility model, through the arranged fixing unit, when the prepressing lower die is damaged, a new prepressing lower die is installed, the prepressing lower die drives the fixing column to be inserted into the hole groove in the lower punching seat, the triangular sliding block and the arc sliding block extrude the lower punching seat to slide into the side wall in the lower punching seat, the fixing column is fixed by the extrusion of the first elastic piece, the fixing column extrusion pressing plate slides to drive the rack plate to slide, the rack plate drives the gear to rotate, meanwhile, the telescopic rod of the side wall of the gear drives the magnetic sliding plate to slide, the magnet sliding into the fixing column to attract and fix, the traditional bolt fixing is replaced, and the speed for fixedly installing the prepressing lower die is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of a blocker mold according to the first embodiment;
FIG. 2 is a schematic view of a direct forging die structure according to the first embodiment;
FIG. 3 is a schematic structural view of a reaming mold according to the first embodiment;
FIG. 4 is a cross-sectional perspective view of a fixing post according to the first embodiment;
FIG. 5 is a cross-sectional view of the lower punch press seat according to the first embodiment;
FIG. 6 is an enlarged view of FIG. 5 at A;
FIG. 7 is an enlarged view of FIG. 6 at B;
fig. 8 is a schematic structural view of a push rod of the second embodiment.
In the figure: 1. a lower punch seat; 11. prepressing the lower die; 12. an upper punch seat; 13. pre-pressing an upper die; 14. an electric push rod; 15. prepressing the ejector rod; 2. fixing a column; 21. a first elastic member; 22. a triangular slider; 23. a circular arc slider; 3. a pressing plate; 31. a second elastic member; 32. a rack plate; 33. a gear; 34. a telescopic rod; 35. a magnetic sliding plate; 4. an air bag; 41. a cylinder; 42. a square plate; 43. a limiting block; 44. an extrusion stem; 45. a pushing block; 46. a third elastic member; 47. a slide bar; 48. a square magnetic member; 5. a first magnetic member; 51. a second magnetic member; 6. a push rod; 61. sliding the square block; 7. a rotating shaft; 71. a push plate; 72. pulling a rope; 8. pushing the plate; 81. a pad; 82. a fourth elastic member; 9. pre-forging an upper die; 91. Pre-forging a lower die; 92. pre-forging the ejector rod; 93. directly forging an upper die; 94. directly forging the lower die; 95. directly forging an upper ejector rod; 96. directly forging the upper core mold; 97. directly forging a lower core mold; 98. directly forging the lower ejector rod; 99. directly forging the connecting plate; 10. reaming the upper die; 101. a spring link; 102. reaming and pressing plates; 103. reaming the lower die; 104. and (4) reaming the base.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-7, a large-diameter rim forging mold includes a pre-forging upper mold 9; the bottom end of the pre-forging upper die 9 is provided with a pre-forging lower die 91; the inner side wall of the pre-forging lower die 91 is connected with a pre-forging ejector rod 92 in a sliding manner; a straight forging upper die 93 is arranged on the side wall of the pre-forging upper die 9; a straight forging lower die 94 is arranged at the bottom end of the straight forging upper die 93; a straight forging upper ejector rod 95 is fixedly connected to the side wall of the straight forging upper die 93; a straight forging core die 96 is fixedly connected to the side wall of the straight forging top rod 95; a straight forging lower core die 97 is arranged at the bottom end of the straight forging upper core die 96; the side wall of the straight forging lower core mold 97 is connected with a straight forging lower mandril 98 in a sliding way; a straight forging connecting plate 99 is fixedly connected to the bottom end of the straight forging lower die 94; a hole expanding upper die 10 is arranged on the side wall of the straight forging upper die 93; a spring connecting rod 101 is fixedly connected inside the upper reaming die 10; a reaming pressing plate 102 is fixedly connected to the bottom end of the upper reaming die 10; a reaming lower die 103 is arranged at the bottom end of the reaming pressing plate 102; the bottom end of the hole-expanding lower die 103 is fixedly connected with a hole-expanding base 104; when the aluminum wheel hub forging machine works, a worker places a preheated aluminum bar at the end part of the pre-forging lower die 91, the machine presses the side wall of the pre-forging lower die 91 by using the pre-forging upper die 9, after pressing, the workpiece is ejected out through the pre-forging ejector rod 92, the wheel rim is shaped into an H shape, and material distribution is needed up and down, so that an upper ejection rod and a lower ejection rod are provided, the workpiece is placed at the end part of the straight-forging lower core die 97, the machine performs straight forging on the workpiece by using the straight-forging upper core die 96, the workpiece is forged and formed, the straight forging die is a closed die without flash, the reaming die does not need to cut flash, the straight-forged workpiece is ejected out through the straight-forging lower ejector rod 98, the straight-forged workpiece is taken to the end part of the reaming lower die 103, the reaming base 104 plays a supporting role, the workpiece is reamed through the reaming pressing plate 102, and finally the workpiece is machined, and the forging process has 3 technical indexes:
(1) die surface hardness HRC46-48
(2) The milling precision of the mould molding surface is less than 0.05MM
(3) Mechanical properties of the product
Tensile strength > 320MPa
Yield strength > 300MPa
The elongation is more than 10 percent
The workpiece machined by the new die reduces the generation of reflow cracks.
A lower punching seat 1 is arranged on one side of the reaming base 104; the end part of the lower punching seat 1 is provided with a prepressing lower die 11; the end part of the lower punching seat 1 is provided with an upper punching seat 12; a prepressing upper die 13 is fixedly connected to the side wall of the upper punching seat 12; an electric push rod 14 is fixedly connected inside the lower punching seat 1; the output end of the electric push rod 14 is fixedly connected with a prepressing ejector rod 15; a fixing unit is arranged in the lower punching seat 1;
the fixing unit comprises a fixing column 2, a first elastic piece 21, a triangular sliding block 22, an arc sliding block 23 and a limiting mechanism; the fixed column 2 is fixedly connected to the bottom end of the prepressing lower die 11; the first elastic piece 21 is fixedly connected to the inner side wall of the fixed column 2; the triangular sliding block 22 is connected to the inner side wall of the fixed column 2 in a sliding manner; the arc sliding block 23 is connected to the inner side wall of the fixed column 2 in a sliding manner; the limiting mechanism is arranged inside the lower punching seat 1; during operation, lower punch holder 1 is fixed on the operation panel of machine, on the flexible equipment in top of machine is being connected to upper punch holder 12, the staff places the aluminium bar and carries out the preforging at the tip of pre-compaction lower mould 11, pre-compaction lower mould 11 damages during processing, change the installation with it, install new pre-compaction lower mould 11, insert the inside of punch holder 1 down with the fixed column 2 balance of pre-compaction lower mould 11 bottom rigid coupling, the lateral wall of lower punch holder 1 extrudees circular arc slider 23 and triangle slider 22, elastic component 21 contracts, when triangle slider 22 and circular arc slider 23 card go into the inside draw-in groove of lower punch holder 1, elastic component 21 kick-backs the extrusion and realizes spacing fixed, the rethread stop gear reinforces, make and install pre-compaction lower mould 11 fast, improve the speed of installation.
The limiting mechanism comprises an extrusion plate 3, a second elastic piece 31, a rack plate 32, a gear 33 and an expansion rod 34; the rack plate 32 is connected to the inner side wall of the lower punch press seat 1 in a sliding manner; the extrusion plate 3 is fixedly connected to the side wall of the rack plate 32; the second elastic element 31 is fixedly connected with the inner side wall of the lower punching seat 1; the gear 33 is meshed with the rack plate 32; the telescopic rod 34 is fixedly connected to the side wall of the gear 33; the end part of the telescopic rod 34 is hinged with a magnetic sliding plate 35; during operation, fixed column 2 inserts the inside of punching press seat 1 down, the inside rigid coupling of fixed column 2 has magnet, 3 lapse of bottom extrusion stripper plate of fixed column 2, No. two elastic component 31 shrink, stripper plate 3 drives rack plate 32 lapse, rack plate 32 drives intermeshing's gear 33 and rotates, gear 33 drives telescopic link 34 and rotates, telescopic link 34 drives top articulated magnetic sliding plate 35, the inside wall of punching press seat 1 slides down, the inside wall of gliding into fixed column 2, magnetic sliding plate 35 attracts mutually with the inside magnet of fixed column 2, fix spacingly, can make the fixed mounting of consolidating to pre-compaction lower mould 11, prevent directly to extract fixed column 2.
An air bag 4 is fixedly connected to the inner side wall of the lower punching seat 1; a cylinder 41 is fixedly connected inside the lower punching seat 1, and the cylinder 41 is communicated with the air bag 4; the output end of the cylinder 41 is fixedly connected with a square plate 42; the inner side wall of the fixed column 2 is fixedly connected with a limiting block 43; the inner side wall of the square plate 42 is connected with an extrusion rod 44 in a sliding manner; a pushing block 45 is fixedly connected to the side wall of the extrusion rod 44; a third elastic element 46 is fixedly connected to the side wall of the square plate 42; a sliding rod 47 is connected inside the square plate 42 in a sliding manner; a square magnetic part 48 is fixedly connected to the side wall of the sliding rod 47; during operation, fixed column 2 inserts the inside of lower punching press seat 1, circular arc slider 23 can extrude gasbag 4, the inside of cylinder 41 is carried to 4 inside gas of gasbag, the output extension of cylinder 41, drive the inside that square board 42 got into fixed column 2, the lateral wall of laminating stopper 43 can be extruded to stripper bar 44, stripper bar 44 slides the inside of square board 42, the extrusion promotes piece 45 and slides, it extrudees square board 42 inside grooved gas to both sides to promote piece 45, gaseous extrusion slide bar 47 slides, slide bar 47 drives the inside wall realization of square magnetic part 48 extrusion fixed column 2 and fixes, improve the stability of fixed pre-compaction lower mould 11.
A first magnetic part 5 is fixedly connected inside the fixed column 2; a second magnetic part 51 is fixedly connected inside the fixed column 2; during operation, the first magnetic part 5 and the second magnetic part 51 fixedly connected inside the fixed column 2 and the square magnetic part 48 are mutually attracted, so that the sliding rod 47 is more compact when adsorbing the square magnetic part 48, and the fixing effect is enhanced.
The interior of the lower punching seat 1 is connected with a push rod 6 in a sliding way; the side wall of the push rod 6 is fixedly connected with a sliding block 61; the inner side wall of the lower punching seat 1 is provided with a dismounting assembly; the during operation is changed the pre-compaction lower mould 11 of damage, and staff's extrusion catch bar 6 slides and goes into the inside of punching press seat 1 down, and catch bar 6 promotes slip square 61 and slides the extrusion dismantlement subassembly to directly extrude triangle slider 22 and slide to the inside of fixed column 2, the shrink of elastic component 21, staff can take out the pre-compaction lower mould 11 of damage, convenient dismantlement.
The dismounting assembly comprises a rotating shaft 7, a pushing plate 71 and a pull rope 72; the rotating shaft 7 is rotatably connected to the inner side wall of the lower punching seat 1; the pushing plate 71 is fixedly connected to the side wall of the rotating shaft 7; the pull rope 72 is fixedly connected to the side wall of the rotating shaft 7; the during operation, change the pre-compaction lower mould 11 of damage, it slides to promote catch bar 6, drive the lateral wall that the extrusion of slip square 61 bulldozes board 71, bulldoze board 71 and drive pivot 7 and rotate, the output shrink of stay cord 72 pulling cylinder 41 that drives the lateral wall rigid coupling when pivot 7 rotates, the inside of fixed column 2 is pulled out square board 42, the inside of gasbag 4 is carried to the inside gas of cylinder 41 simultaneously, make gasbag 4 collision extrude circular arc slider 23, can make the convenient fixed of dismantling fixed column 2 fast.
Example two
Referring to fig. 8, in a first comparative example, as another embodiment of the present invention, a push plate 8 is fixed to an end of the push rod 6; a protection pad 81 is fixedly connected to the side wall of the push plate 8; the side wall of the push rod 6 is sleeved with a fourth elastic part 82; during operation, dismantle pre-compaction lower mould 11 of damage, staff's hand laminating protection pad 81's lateral wall promotes push pedal 8, and push pedal 8 promotes catch bar 6 and slides to the inside of lower punching press seat 1, and No. four elastic component 82 shrink, when dismantling the completion, No. four elastic component 82 kick-backs, drive catch bar 6 and reset, and staff's hand extrusion is injured when preventing to dismantle pre-compaction lower mould 11.
The working principle is that a worker places a preheated aluminum bar at the end of a pre-forging lower die 91, a machine presses the side wall of the pre-forging lower die 91 by using a pre-forging upper die 9, after pressing, a workpiece is ejected out through a pre-forging ejector rod 92, the wheel rim is shaped into an H shape, and material is divided up and down, so that an upper ejection rod and a lower ejection rod are provided, the workpiece is placed at the end of a straight-forging lower core die 97, the machine performs straight forging on the workpiece by using a straight-forging upper core die 96, the workpiece is forged and formed, the straight forging die is a closed die without flash, a hole expanding die does not need to cut flash, the straight-forged workpiece is ejected out through a straight-forging lower ejector rod 98, the straight-forged workpiece is taken to the end of a hole expanding lower die 103, a hole expanding base 104 plays a supporting role, the hole expanding is performed on the straight-forged workpiece by a hole expanding press plate 102, and finally the workpiece is machined, and the forging process has 3 technical indexes:
(1) die surface hardness HRC46-48
(2) The milling precision of the mould molding surface is less than 0.05MM
(3) Mechanical properties of the product
Tensile strength > 320MPa
Yield strength > 300MPa
The elongation is more than 10 percent
The workpiece processed by the new die reduces the generation of backflow cracks; the lower punching seat 1 is fixed on an operation table of a machine, the upper punching seat 12 is connected to top end telescopic equipment of the machine, an operator places an aluminum bar on the end part of the prepressing lower die 11 for preforging, the prepressing lower die 11 is damaged during processing, the prepressing lower die is replaced and installed, a new prepressing lower die 11 is taken for installation, a fixed column 2 fixedly connected with the bottom end of the prepressing lower die 11 is inserted into the lower punching seat 1 in a balanced mode, the arc slide block 23 and the triangular slide block 22 are extruded by the side wall of the lower punching seat 1, the first elastic piece 21 contracts, when the triangular slide block 22 and the arc slide block 23 are clamped into a clamping groove in the lower punching seat 1, the first elastic piece 21 rebounds and extrudes to achieve limiting and fixing, and then the lower punching seat is reinforced through a limiting mechanism, so that the prepressing lower die 11 is installed quickly, and the installation speed is improved; the fixed column 2 is inserted into the lower stamping seat 1, a magnet is fixedly connected inside the fixed column 2, the bottom end of the fixed column 2 extrudes the extrusion plate 3 to slide downwards, the second elastic piece 31 contracts, the extrusion plate 3 drives the rack plate 32 to slide downwards, the rack plate 32 drives the mutually meshed gears 33 to rotate, the gears 33 drive the telescopic rod 34 to rotate, the telescopic rod 34 drives the magnetic sliding plate 35 with the hinged top end to slide on the inner side wall of the lower stamping seat 1 and slide into the inner side wall of the fixed column 2, the magnetic sliding plate 35 is attracted with the magnet inside the fixed column 2 to fix and limit, the fixed installation of the prepressing lower die 11 can be reinforced, and the fixed column 2 is prevented from being directly pulled out; the fixed column 2 is inserted into the lower punch press seat 1, the arc slide block 23 can extrude the air bag 4, the gas in the air bag 4 is conveyed into the air cylinder 41, the output end of the air cylinder 41 extends to drive the square plate 42 to enter the fixed column 2, the extrusion rod 44 can extrude and attach to the side wall of the limiting block 43, the extrusion rod 44 slides into the square plate 42, the extrusion pushing block 45 slides, the pushing block 45 extrudes the gas slotted in the square plate 42 to two sides, the gas extrudes the sliding rod 47 to slide, the sliding rod 47 drives the square magnetic piece 48 to extrude the inner side wall of the fixed column 2 to realize fixation, and the stability of the fixed prepressing lower die 11 is improved; the first magnetic part 5 and the second magnetic part 51 fixedly connected inside the fixed column 2 are mutually attracted with the square magnetic part 48, so that the sliding rod 47 is more compact when adsorbing the square magnetic part 48, and the fixing effect is enhanced; the damaged prepressing lower die 11 is replaced, a worker extrudes the push rod 6 to slide into the lower punching seat 1, the push rod 6 pushes the sliding square block 61 to slide and extrude the dismounting assembly, the triangular sliding block 22 is directly extruded to slide towards the inside of the fixed column 2, the first elastic piece 21 contracts, and the worker can take out the damaged prepressing lower die 11 to facilitate dismounting; replace pre-compaction lower mould 11 to the damage, it slides to promote catch bar 6, drive the lateral wall that the extrusion of slip square 61 bulldozes board 71, bulldoze board 71 and drive pivot 7 and rotate, the output shrink of the stay cord 72 pulling cylinder 41 that drives the lateral wall rigid coupling when pivot 7 rotates, pull out the inside of fixed column 2 with square board 42, the inside of gasbag 4 is carried to the inside gas of cylinder 41 simultaneously, make gasbag 4 collision extrude circular arc slider 23, can make the convenient fixed of dismantling fixed column 2 fast.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (7)
1. The utility model provides a major diameter rim forges mould which characterized in that: comprises a preforging upper die (9); a pre-forging lower die (91) is arranged at the bottom end of the pre-forging upper die (9); the inner side wall of the pre-forging lower die (91) is connected with a pre-forging ejector rod (92) in a sliding manner; a straight forging upper die (93) is arranged on the side wall of the pre-forging upper die (9); a straight forging lower die (94) is arranged at the bottom end of the straight forging upper die (93); a straight forging upper ejector rod (95) is fixedly connected to the side wall of the straight forging upper die (93); a straight forging upper core die (96) is fixedly connected to the side wall of the straight forging upper mandril (95); a straight forging lower core die (97) is arranged at the bottom end of the straight forging upper core die (96); the side wall of the straight forging lower core die (97) is connected with a straight forging lower mandril (98) in a sliding way; a straight forging connecting plate (99) is fixedly connected to the bottom end of the straight forging lower die (94); a hole expanding upper die (10) is arranged on the side wall of the straight forging upper die (93); a spring connecting rod (101) is fixedly connected inside the upper broaching die (10); a reaming pressing plate (102) is fixedly connected to the bottom end of the reaming upper die (10); a reaming lower die (103) is arranged at the bottom end of the reaming pressing plate (102); and a reaming base (104) is fixedly connected to the bottom end of the reaming lower die (103).
2. A large diameter rim forging die as set forth in claim 1, wherein: a lower punching seat (1) is arranged on one side of the reaming base (104); a prepressing lower die (11) is arranged at the end part of the lower punching seat (1); the end part of the lower punching seat (1) is provided with an upper punching seat (12); a prepressing upper die (13) is fixedly connected to the side wall of the upper punching seat (12); an electric push rod (14) is fixedly connected inside the lower punching seat (1); the output end of the electric push rod (14) is fixedly connected with a prepressing ejector rod (15); a fixing unit is arranged in the lower punching seat (1);
the fixing unit comprises a fixing column (2), a first elastic piece (21), a triangular sliding block (22), an arc sliding block (23) and a limiting mechanism; the fixed column (2) is fixedly connected to the bottom end of the prepressing lower die (11); the first elastic piece (21) is fixedly connected to the inner side wall of the fixed column (2); the triangular sliding block (22) is connected to the inner side wall of the fixed column (2) in a sliding manner; the arc sliding block (23) is connected to the inner side wall of the fixed column (2) in a sliding manner; the limiting mechanism is arranged in the lower punching seat (1).
3. A large diameter rim forging die as set forth in claim 2, wherein: the limiting mechanism comprises an extrusion plate (3), a second elastic piece (31), a rack plate (32), a gear (33) and an expansion rod (34); the rack plate (32) is connected to the inner side wall of the lower punch press seat (1) in a sliding manner; the extrusion plate (3) is fixedly connected to the side wall of the rack plate (32); the second elastic piece (31) is fixedly connected to the inner side wall of the lower punching seat (1); the gear (33) and the rack plate (32) are mutually meshed; the telescopic rod (34) is fixedly connected to the side wall of the gear (33); the end part of the telescopic rod (34) is hinged with a magnetic sliding plate (35).
4. A large diameter rim forging die as set forth in claim 3, wherein: an air bag (4) is fixedly connected to the inner side wall of the lower punching seat (1); a cylinder (41) is fixedly connected inside the lower punching seat (1), and the cylinder (41) is communicated with the air bag (4); the output end of the cylinder (41) is fixedly connected with a square plate (42); the inner side wall of the fixed column (2) is fixedly connected with a limiting block (43); the inner side wall of the square plate (42) is connected with an extrusion rod (44) in a sliding manner; a pushing block (45) is fixedly connected to the side wall of the extrusion rod (44); a third elastic piece (46) is fixedly connected to the side wall of the square plate (42); a sliding rod (47) is connected inside the square plate (42) in a sliding manner; the side wall of the sliding rod (47) is fixedly connected with a square magnetic part (48).
5. A large diameter rim forging die as set forth in claim 4, wherein: a first magnetic part (5) is fixedly connected inside the fixed column (2); a second magnetic part (51) is fixedly connected inside the fixed column (2).
6. A large diameter rim forging die as set forth in claim 5, wherein: a push rod (6) is connected to the inner part of the lower punching seat (1) in a sliding manner; the side wall of the push rod (6) is fixedly connected with a sliding block (61); the inner side wall of the lower punching seat (1) is provided with a dismounting assembly.
7. A large diameter rim forging die as set forth in claim 6, wherein: the dismounting assembly comprises a rotating shaft (7), a pushing plate (71) and a pull rope (72); the rotating shaft (7) is rotatably connected to the inner side wall of the lower punching seat (1); the push plate (71) is fixedly connected to the side wall of the rotating shaft (7); the pull rope (72) is fixedly connected to the side wall of the rotating shaft (7).
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| CN202122167238.1U CN216226741U (en) | 2021-09-08 | 2021-09-08 | Large-diameter rim forging die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116274788A (en) * | 2023-05-15 | 2023-06-23 | 山西银光华盛镁业股份有限公司 | Magnesium alloy forging forming method and equipment |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116274788A (en) * | 2023-05-15 | 2023-06-23 | 山西银光华盛镁业股份有限公司 | Magnesium alloy forging forming method and equipment |
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