CN117259566A - Forging aluminum alloy wheel hub punching and expanding die - Google Patents
Forging aluminum alloy wheel hub punching and expanding die Download PDFInfo
- Publication number
- CN117259566A CN117259566A CN202311186230.7A CN202311186230A CN117259566A CN 117259566 A CN117259566 A CN 117259566A CN 202311186230 A CN202311186230 A CN 202311186230A CN 117259566 A CN117259566 A CN 117259566A
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- swivel
- aluminum alloy
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- 238000005242 forging Methods 0.000 title claims abstract description 34
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 32
- 238000004080 punching Methods 0.000 title claims abstract description 32
- 230000033001 locomotion Effects 0.000 claims abstract description 17
- 241000446313 Lamella Species 0.000 claims abstract 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017105 transposition Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/04—Centering the work; Positioning the tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/30—Perforating, i.e. punching holes in annular parts, e.g. rims
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a forging aluminum alloy hub punching and reaming die, which comprises: dynamic pressure seat, deflection drive assembly, drift lamella and linkage lamella group, the fixed surface mounting of dynamic pressure seat has the hydraulic drive jar, and the output fixedly connected with swivel mount of hydraulic drive jar, deflection drive assembly is including deciding cover seat, swivel and be used for swivel lift driven actuating lever, decides the cover seat rotation and installs in the bottom surface of dynamic pressure seat, and the swivel rotates the bottom surface of installing in dynamic pressure seat. According to the invention, through arranging the multi-punch-head downward punching movement structure, punch head combination is completed by combining a plurality of punch heads, the outer expansion and expansion movements of the plurality of punch heads can be carried out by utilizing the driving of a hydraulic driving cylinder before the forging of the aluminum alloy hub is punched and expanded, and the plurality of punch heads can be driven by a driving rod to retract and shrink so as to be regulated to the proper punch head size to enter the inner side of the hub, and the reciprocating multi-punching and expanding operation and the multi-hub punching and expanding operation are realized by a single die.
Description
Technical Field
The invention relates to the technical field of hub punching and reaming, in particular to a forging aluminum alloy hub punching and reaming die.
Background
The forged aluminum alloy hub has the advantages of light weight, good strength and the like, and the forged blank is required to be placed into a punching and reaming die during manufacturing, and the forging press is utilized for reaming and punching operations. The forged aluminum alloy hub is a blank which is formed by forging an aluminum alloy bar into a straight barrel-shaped forging stock through a forging process, then the straight barrel-shaped forging stock is subjected to a flaring process in a 600-800 ton oil press to obtain a cone-shaped forging stock with a bell mouth, and finally the forging blank of the aluminum alloy hub is obtained through a spinning process.
At present, the forging aluminum alloy wheel hub punching and reaming process is limited by large draft angle and equipment tools, a conical punch structure is mainly adopted to punch holes downwards on the inner side of the forging aluminum alloy wheel hub, punch structures with different conicity and depth are reasonably used according to the sizes of different wheel hub blanks, a punch with smaller conicity is used when the rim of a wheel hub hole is smaller so that the punch can smoothly enter the wheel hub, the depth of the punch structure is strictly controlled to avoid impact on contact of a supporting disc in the wheel hub, in addition, the downwards-pressing type conical reaming working mode leads to small reaming working deformation amplitude, a plurality of specifications of punches are generally required to punch holes for multiple times to form, and a large number of punch structures with different specifications are required to be used in the wheel hub reaming work, and the punch is frequently replaced and operated, so that the working efficiency is low. In view of the above, the present invention provides a forging aluminum alloy hub punching and reaming die for solving the existing problems, and aims to solve the problems and improve the practical value by the technology.
Disclosure of Invention
The present invention aims to solve one of the technical problems existing in the prior art or related technologies.
The technical scheme adopted by the invention is as follows: a forging aluminum alloy hub punch reaming die, comprising: comprising the following steps: the device comprises a dynamic pressure seat, a deflection driving assembly, a punch head valve and a linkage valve group, wherein a hydraulic driving cylinder is fixedly arranged on the surface of the dynamic pressure seat, the output end of the hydraulic driving cylinder is fixedly connected with a turntable seat, the deflection driving assembly comprises a fixed sleeve seat, a swivel and a driving rod for lifting and driving the swivel, the fixed sleeve seat is rotatably arranged on the bottom surface of the dynamic pressure seat, the swivel is rotatably arranged on the bottom surface of the dynamic pressure seat, and the driving rod is fixedly arranged on the inner side of the swivel and the output end of the driving rod is fixedly connected with the top surface of the swivel;
the linkage valve group comprises a connecting rod, a linkage lug, a plurality of movable guide plates and fixed connecting plates, the movable guide plates and the fixed connecting plates are sequentially arranged at intervals and uniformly distributed in the circumferential direction, the punch valve is fixedly mounted on the inner side of the linkage valve group, the movable guide plates are located on the periphery of a gap between the adjacent fixed connecting plates, linkage groove strips used for movably connecting the surfaces of the movable guide plates are arranged on the surfaces of the fixed connecting plates, a first page plate and a second page plate are respectively and rotatably connected to the top ends of the movable guide plates and the fixed connecting plates, a sliding guide plate is fixedly mounted on the inner side of the fixed sleeve seat, a sliding guide strip is fixedly mounted on one side of the sliding guide plate, the bottom ends of the first page plate and the second page plate are respectively and slidably sleeved on the inner side of the sliding guide strip and the surface of the sliding guide plate, an expanding wedge surface which is in butt joint with the surface of the turntable seat is arranged on the inner side of the punch valve, and a punch is fixedly connected with a wedge block.
The present invention may be further configured in a preferred example to: the punch wedge is of a fan-shaped block structure, an inclined plane for forging the aluminum alloy hub punch reaming is arranged on the outer side of the punch wedge, and the vertical height of the inclined plane of the punch is smaller than the depth of the inside of the forging aluminum alloy hub ring.
The present invention may be further configured in a preferred example to: the turntable base is of a conical structure, the inclined taper of the surface of the turntable base is larger than the inclined gradient of the surface of the expansion wedge surface, and the surfaces of the turntable base and the expansion wedge surface are subjected to hardening treatment.
The present invention may be further configured in a preferred example to: the surface of the dynamic pressure seat is provided with a sleeve slot hole for driving the rod to deflect, and the sleeve slot hole is arc-shaped and has a central angle larger than that of the punch head.
The present invention may be further configured in a preferred example to: the center axes of the fixed sleeve seat, the swivel and the ring gear sleeve are collinear with the center axis of the turntable seat, and the swivel and the driving rod are fixed on the periphery of the fixed sleeve seat.
The present invention may be further configured in a preferred example to: the surface of the dynamic pressure seat is provided with a driving motor for driving the swivel to rotate, and the outer side of the swivel is sleeved with a ring gear sleeve in transmission engagement with the output end of the driving motor.
The present invention may be further configured in a preferred example to: the movable guide plates are arranged on the periphery of the fixed connecting plate, the linkage groove strips are fixed on the surface of the fixed connecting plate and are positioned on the periphery of the movable guide plates, and the surface of the movable guide plates is provided with pins which are sleeved on the surface of the linkage groove strips in a sliding manner.
The present invention may be further configured in a preferred example to: the first page plate and the second page plate are movably connected with the movable guide plate and the fixed link plate through hinges, and the second page plate and the first page plate vertically slide along two sides of the sliding guide plate respectively.
The beneficial effects obtained by the invention are as follows:
1. according to the invention, a split type variable punch is formed by arranging a multi-punch-blade lower punch movement structure, punch combination is completed by combining a plurality of punch blades, the outer expansion movement of the punch blades can be carried out by utilizing the driving of a hydraulic driving cylinder before forging the aluminum alloy hub, the punch blades can also be driven by a driving rod to retract and shrink so as to be regulated to the proper punch size and enter the inner side of the hub, in the punching work, the wedge top head is driven by the hydraulic driving cylinder to move and abut against the wedge of the punch blade to realize the outer expansion of the punch blade to ream the proper size of the hub, and the reciprocating multi-time punching and reaming operation and the multi-hub punching and reaming operation are realized by a single die, so that the working efficiency is not required to be replaced frequently and the working efficiency is improved.
2. According to the invention, the driving motor is arranged to drive deflection or manual pushing of the punch petals and the linkage petal group, rotary displacement is carried out in the reciprocating multi-punching reaming work, the problem of wheel hub deformation imprinting caused by gaps among the punch petals is solved, and the problems of imprinting of the split punch in workpiece production are overcome by utilizing the rotary transposition and multi-punching reaming movement of the punch petals, so that automatic repair is carried out.
3. According to the invention, by arranging the deflection driving assembly and the linkage valve group structure, the initial position and the radial size of the punch valve are adjusted by the traction motion of the connecting rod and the linkage lug by using the driving rod to lift and drive, and the automatic recovery of the punch valve can be performed in the retraction motion of the wedge top.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is an exploded view of one embodiment of the present invention;
FIG. 3 is a schematic view of a yaw drive assembly mounting structure according to one embodiment of the present invention;
FIG. 4 is a schematic view of the inside structure of a yaw drive assembly according to one embodiment of the present invention;
FIG. 5 is a schematic view of a hydraulic drive cylinder and ram valve configuration according to one embodiment of the invention;
FIG. 6 is a schematic diagram of a linkage flap component release structure according to one embodiment of the present invention;
fig. 7 is a schematic view of a punch segment mounting structure according to one embodiment of the present invention.
Reference numerals:
100. a dynamic pressure seat; 110. a hydraulic drive cylinder; 120. a turret base; 130. wedge top;
200. a deflection drive assembly; 210. a fixed sleeve seat; 220. a swivel; 230. a swivel; 240. a driving rod; 250. a driving motor; 221. a ring gear sleeve;
300. punch head; 310. expanding wedge surface; 320. a punch wedge;
400. a linkage flap group; 410. a connecting rod; 420. a linkage lug; 430. a movable guide plate; 440. a fixed connection plate; 431. a first page; 432. a sliding guide bar; 441. a second page plate; 442. a slide guide plate; 443. and (5) linking the groove strips.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present invention and features in the embodiments may be combined with each other.
A forged aluminum alloy hub punch reaming die provided in accordance with some embodiments of the present invention is described below with reference to the accompanying drawings.
Referring to fig. 1 to 7, the present invention provides a forging aluminum alloy hub punching and reaming die, comprising: the device comprises a dynamic pressure seat 100, a deflection driving assembly 200, a punch valve 300 and a linkage valve group 400, wherein a hydraulic driving cylinder 110 is fixedly arranged on the surface of the dynamic pressure seat 100, the output end of the hydraulic driving cylinder 110 is fixedly connected with a turntable seat 120, the deflection driving assembly 200 comprises a fixed sleeve seat 210, a swivel 220, a swivel 230 and a driving rod 240 for lifting and driving the swivel 220, the fixed sleeve seat 210 is rotatably arranged on the bottom surface of the dynamic pressure seat 100, the swivel 220 is rotatably arranged on the bottom surface of the dynamic pressure seat 100, the driving rod 240 is fixedly arranged on the inner side of the swivel 230, and the output end of the driving rod 240 is fixedly connected with the top surface of the swivel 220;
the linkage valve group 400 comprises a connecting rod 410, a linkage lug 420, a plurality of movable guide plates 430 and a plurality of fixed guide plates 440, wherein the movable guide plates 430 and the fixed guide plates 440 are sequentially arranged at intervals and uniformly distributed in the circumferential direction, the punch valve 300 is fixedly arranged on the inner side of the linkage valve group 400, the movable guide plates 430 are positioned on the periphery of a gap between the adjacent fixed guide plates 440, linkage groove strips 443 for movably connecting the surfaces of the movable guide plates 430 are arranged on the surfaces of the fixed guide plates 440, a first page plate 431 and a second page plate 441 are respectively and rotatably connected to the top ends of the movable guide plates 430 and the fixed guide plates 440, a sliding guide plate 442 is fixedly arranged on the inner side of the fixed sleeve seat 210, a sliding guide strip 432 is fixedly arranged on one side of the sliding guide plate 442, the bottom ends of the first page plate 431 and the second page plate 441 are respectively and slidably sleeved on the inner side of the sliding guide strip 432 and the surface of the sliding guide plate 442, an expanding wedge surface 310 which is abutted against the surface of the turntable seat 120 is arranged on the inner side of the punch valve 300, and a punch wedge 320 is fixedly connected to the bottom end of the punch valve 300.
In this embodiment, the punch wedge 320 is in a sector block structure, and an inclined plane for forging the aluminum alloy hub punch reaming is arranged on the outer side of the punch wedge 320, and the vertical height of the inclined plane of the punch 300 is smaller than the depth in the forging aluminum alloy hub ring.
Specifically, the plurality of punch wedges 320 are used for the reaming operation, and the punch wedges 320 are used for the reaming operation under the slope punching.
In this embodiment, the turntable base 120 has a conical structure, the surface of the turntable base 120 has a taper greater than the surface of the expansion wedge surface 310, and the surfaces of the turntable base 120 and the expansion wedge surface 310 are hardened.
Specifically, by the downward movement of the turret 120, the punch wedge 320 is driven to expand obliquely and contact with the surface of the expanding wedge surface 310, so as to adjust the initial position of the punch segment 300 and perform radial reaming operation.
In this embodiment, the surface of the dynamic pressure seat 100 is provided with a socket hole for the deflection movement of the driving rod 240, and the socket hole is arc-shaped and has a central angle larger than that of the punch segment 300.
In this embodiment, the center axes of the fixed housing 210, the swivel 220, the swivel 230, and the ring gear sleeve 221 are coaxial with the center axis of the turntable housing 120, and the swivel 230 and the driving rod 240 are fixed to the outer circumference of the fixed housing 210.
Further, a driving motor 250 for driving the swivel 220 to rotate is arranged on the surface of the dynamic pressure seat 100, and a ring gear sleeve 221 which is in transmission engagement with the output end of the driving motor 250 is sleeved on the outer side of the swivel 220.
Specifically, the driving motor 250 is arranged to drive the punch 300 and the linkage valve group 400 to deflect, the rotary displacement is carried out in the reciprocating multi-punch reaming work, the problem of wheel hub deformation imprinting caused by gaps among the punch 300 is solved, and the rotary displacement and multi-punch reaming movement of the punch 300 are utilized to compensate the imprinting problem of the split punch in workpiece production, so that the automatic repair is carried out.
In this embodiment, a plurality of movable guide plates 430 are disposed on the outer periphery of the fixed link plate 440, the linkage groove 443 is fixed on the surface of the fixed link plate 440 and is located on the outer periphery of the movable guide plates 430, and the surface of the movable guide plates 430 is provided with pins that are slidably sleeved on the surface of the linkage groove 443.
Further, the first page 431 and the second page 441 are movably connected to the movable guide 430 and the fixed link 440 by hinges, and the second page 441 and the first page 431 slide vertically along two sides of the sliding guide 442.
Specifically, the driving rod 240 extends to drive the swivel 220 to move downwards, under the pushing of the connecting rod 410 and the linkage lug 420, the movable guide plate 430 and the fixed guide plate 440 drive the punch segments 300 to gather inwards, the diameter is reduced, the driving rod 240 is used for lifting and driving the initial position and the radial size of the punch segments 300 to be regulated by the traction motion of the connecting rod 410 and the linkage lug 420, and the automatic restoration of the punch segments 300 can be performed in the retraction motion of the cam plug 130.
The working principle and the using flow of the invention are as follows:
the top surface of the dynamic pressure seat 100 is fixedly connected with the output end of a punching machine by using the forging aluminum alloy hub punching and reaming die, the hydraulic driving cylinder 110 drives the rotating seat 120 to retract and separate from the surface of the expansion wedge surface 310, the driving rod 240 stretches to drive the rotating ring 220 to move downwards, the movable guide plates 430 and the fixed guide plates 440 drive the punch petals 300 to gather inwards under the pushing of the connecting rod 410 and the linkage lug 420, the diameter is reduced, the bottom end of the punch wedge 320 is pushed into the inside of a hub blank under the working of the punching machine, firstly, the rotating seat 120 is driven by the hydraulic driving cylinder 110 to abut against the surface of the expansion wedge surface 310 and perform oblique expansion pushing, so that the punch petals 300 perform radial movement, gradually attach to the inner wall of the hub and perform external expansion reaming;
after the hole is reamed to a specified size, the punching machine is used for lifting and backing, under the driving of the driving motor 250, the swivel 220 and the ring gear sleeve 221 drive the linkage valve group 400 and the punch valve 300 to axially deflect below the fixed sleeve seat 210, the deflection is smaller than or equal to the central angle of the punch valve 300, after the deflection is completed, the punching machine drives the die to move downwards, under the conduction of the force of the hydraulic driving cylinder 110, the turntable seat 120 and the punch valve 300, the inner side of the hub is reamed through the punch wedge 320, the deflection movement and the punching and reaming movement are repeated for a plurality of times until the hole of the hub is reamed, and the rotation transposition and the punching and reaming movement of the punch valve 300 are utilized to compensate the imprinting problem of the split punch in the workpiece production, so that the automatic repair is carried out.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (9)
1. A forging aluminum alloy hub punching and reaming die, comprising: dynamic pressure seat (100), deflection drive assembly (200), drift lamella (300) and linkage lamella group (400), the fixed surface of dynamic pressure seat (100) installs hydraulic drive jar (110), the output fixedly connected with revolving stage seat (120) of hydraulic drive jar (110), deflection drive assembly (200) are including deciding cover seat (210), swivel (220) and swivel (230) and be used for swivel (220) lift driven actuating lever (240), decide cover seat (210) rotation and install in the bottom surface of dynamic pressure seat (100), swivel (220) rotation is installed in the bottom surface of dynamic pressure seat (100), actuating lever (240) fixed mounting is in the inboard of swivel (230) and the output of actuating lever (240) and the top surface fixed connection of swivel (220).
2. The forging aluminum alloy hub reaming die according to claim 1, wherein the punch wedge block (320) is of a fan-shaped block structure, an inclined plane for forging the aluminum alloy hub reaming is arranged on the outer side of the punch wedge block (320), and the vertical height of the inclined plane of the punch flap (300) is smaller than the depth of a ring of the forging aluminum alloy hub.
3. The forging aluminum alloy hub punching and reaming die according to claim 1, wherein the turntable base (120) is of a conical structure, the surface inclined taper of the turntable base (120) is larger than the surface inclined taper of the expansion wedge surface (310), and the surfaces of the turntable base (120) and the expansion wedge surface (310) are subjected to hardening treatment.
4. The forging aluminum alloy hub punching and reaming die according to claim 1, wherein a sleeve groove hole for driving the deflection motion of the rod (240) is formed in the surface of the dynamic pressure seat (100), and the sleeve groove hole is arc-shaped and has a central angle larger than that of the punch segment (300).
5. The forging aluminum alloy hub punching and reaming die according to claim 1, wherein the center axes of the fixed sleeve base (210), the swivel (220), the swivel (230) and the ring gear sleeve (221) are coaxial with the center axis of the turntable base (120), and the swivel (230) and the driving rod (240) are fixed on the periphery of the fixed sleeve base (210).
6. The forging aluminum alloy hub punching and reaming die according to claim 1, wherein a driving motor (250) for driving the swivel (220) to rotate is arranged on the surface of the dynamic pressure seat (100), and a ring gear sleeve (221) in transmission engagement with the output end of the driving motor (250) is sleeved on the outer side of the swivel (220).
7. The forging aluminum alloy hub reaming die according to claim 1, wherein the linkage valve group (400) comprises a connecting rod (410), a linkage lug (420) and a plurality of movable guide plates (430) and fixed guide plates (440), the movable guide plates (430) and the fixed guide plates (440) are sequentially arranged at intervals and uniformly distributed in the circumferential direction, the punch petals (300) are fixedly arranged on the inner sides of the linkage valve group (400), the movable guide plates (430) are positioned on the outer periphery of a gap between the adjacent fixed guide plates (440), linkage groove strips (443) for movably connecting the surfaces of the movable guide plates (430) are arranged on the surfaces of the fixed guide plates (440), a first page plate (431) and a second page plate (441) are respectively and rotatably connected to the top ends of the movable guide plates (430) and the fixed guide plates (440), a sliding guide plate (442) is fixedly arranged on the inner side 442 of the fixed sleeve base (210), sliding guide strips (432) are fixedly arranged on one side of the sliding guide plates (431), the bottom ends of the first page plate (431) and the second page plate (441) are respectively connected with the bottom ends of the sliding guide plates (432) of the sliding guide plates (300), and the bottom ends of the sliding plates (320) are respectively connected with the sliding plates (320).
8. The forging aluminum alloy hub reaming die as recited in claim 7, wherein a plurality of the movable guide plates (430) are arranged on the periphery of the fixed link plate (440), the linkage groove strips (443) are fixed on the surface of the fixed link plate (440) and are positioned on the periphery of the movable guide plates (430), and pins sleeved on the surface of the linkage groove strips (443) in a sliding manner are arranged on the surface of the movable guide plates (430).
9. The forging aluminum alloy hub punching and reaming die as recited in claim 7, wherein the first page plate (431) and the second page plate (441) are movably connected with the movable guide plate (430) and the fixed connection plate (440) through hinges, and the second page plate (441) and the first page plate (431) vertically slide along two sides of the sliding guide plate (442) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311186230.7A CN117259566A (en) | 2023-09-14 | 2023-09-14 | Forging aluminum alloy wheel hub punching and expanding die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311186230.7A CN117259566A (en) | 2023-09-14 | 2023-09-14 | Forging aluminum alloy wheel hub punching and expanding die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117259566A true CN117259566A (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311186230.7A Pending CN117259566A (en) | 2023-09-14 | 2023-09-14 | Forging aluminum alloy wheel hub punching and expanding die |
Country Status (1)
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| CN (1) | CN117259566A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117816834A (en) * | 2024-03-05 | 2024-04-05 | 成都德安金属制品有限公司 | Punching device for annular workpiece |
| CN118492139A (en) * | 2024-07-17 | 2024-08-16 | 江苏助您智能机械科技有限公司 | Necking die frame for battery shell processing |
-
2023
- 2023-09-14 CN CN202311186230.7A patent/CN117259566A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117816834A (en) * | 2024-03-05 | 2024-04-05 | 成都德安金属制品有限公司 | Punching device for annular workpiece |
| CN118492139A (en) * | 2024-07-17 | 2024-08-16 | 江苏助您智能机械科技有限公司 | Necking die frame for battery shell processing |
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