CN114011950B - Middle-channel stamping forming die for left and right parts of automobile A column - Google Patents
Middle-channel stamping forming die for left and right parts of automobile A column Download PDFInfo
- Publication number
- CN114011950B CN114011950B CN202111252237.5A CN202111252237A CN114011950B CN 114011950 B CN114011950 B CN 114011950B CN 202111252237 A CN202111252237 A CN 202111252237A CN 114011950 B CN114011950 B CN 114011950B
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- Prior art keywords
- block
- die holder
- molding
- matched
- workpiece
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- 238000000465 moulding Methods 0.000 claims abstract description 45
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000007306 turnover Effects 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
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
Abstract
The invention discloses a middle-channel stamping forming die for a left and right piece of an automobile A column, which has good forming effect and is not easy to crack, and the middle-channel stamping forming die comprises an upper die holder and a lower die holder, wherein an upper pressing block, a rectangular punch and a through hole punch are arranged in the upper die holder through a plurality of nitrogen springs, an upper end cutter block, an upper connecting part cutter block and an upper follow-up block are arranged on the upper die holder at the outer edge of a notch of a mounting groove, and a wedge driving block is arranged on the upper die holder; the lower die holder is provided with a lower molding block, the lower molding block is provided with a molding surface, two parallel notches are arranged on the lower molding block corresponding to the outer edge of the long edge close to the short edge of the workpiece, the lower molding block is provided with a cutting edge part matched with the upper end part cutting block and the upper connecting part cutting block, the lower molding block is provided with a rectangular die button and a through hole die button, the lower die holder is provided with a sliding guide block, the sliding guide block is movably provided with a side molding seat for molding the triangular area of the long edge end part of the workpiece, and the side molding seat is provided with a driving inclined surface matched with the inclined wedge driving block.
Description
Technical Field
The invention relates to a middle-channel stamping forming die for left and right parts of an automobile A column.
Background
The left and right parts of the automobile A column are shown in figure 1, and when the left and right parts are combined and punched, the two long sides are arranged in parallel and lean against each other because the workpieces are approximately L-shaped, the ends of the long sides are triangular, the triangular area is far away from the symmetrical center of the left and right parts, and the other side of the triangular area is required to be cut off and processed, and the other side of the triangular area is required to be turned over; the other parts of the edges of the workpiece are required to be turned over except for the cutting-off processing of the short side end parts and the long side parts, which are close to the triangular turned-over parts.
When the middle channel of the left and right parts of the A column is punched and formed, the rough shape of the left and right parts is required to be formed, the other side of the triangular area of the workpiece is turned, the edge of the workpiece far away from the symmetry line of the workpiece is turned, and the punching processing of partial hole sites is required to be completed; however, the workpiece has a complex shape, is difficult to process, and is easy to distort and crack during stamping.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the middle-channel stamping forming die for the left and right parts of the automobile A column is good in forming effect and not prone to cracking.
In order to solve the technical problems, the invention adopts the following technical scheme: the middle-channel stamping forming die for the left and right workpieces of the automobile A column comprises an upper die holder and a lower die holder, wherein an installation groove is formed in the upper die holder, an upper pressing block is arranged in the installation groove through a plurality of nitrogen springs, two rectangular punches for respectively processing rectangular holes in the left and right workpieces are arranged in the installation groove, two pairs of through hole punches for respectively processing through holes at the end parts of the upper short sides of the left and right workpieces are arranged in the installation groove, an upper end cutter block for cutting off the end parts of the upper short sides of the left and right workpieces is arranged on the outer edge of a notch of the installation groove, an upper connecting part cutter block for cutting off the connecting parts of the upper short sides of the left and right workpieces is arranged on the outer edge of the notch of the installation groove, and an inclined wedge driving block is arranged on the upper die holder at a position where the outer edge of the notch of the installation groove is opposite to the upper long side connecting parts of the left and right workpieces;
the lower die holder is provided with a lower molding block, the lower molding block is provided with a molding surface, two notches which are arranged in parallel are arranged on the lower molding block corresponding to the outer edge of the long edge close to the short edge of the workpiece, a plurality of workpiece positioning blocks are arranged on the periphery of the lower molding block on the lower die holder, a cutting edge part matched with the upper end part cutting block and the upper connecting part cutting block is arranged on the lower molding block, two positioning pins matched with positioning hole pins on the workpiece are arranged on the lower molding block, a rectangular die button matched with a rectangular punch is arranged on the lower molding block, a through hole die button matched with the through hole punch is arranged on the lower molding block, a sliding guide block is arranged on the lower die holder, a wear-resisting plate is arranged on the sliding guide block, a side molding seat for molding the triangular region of the long edge part of the workpiece is arranged on the sliding guide block, a driving inclined surface matched with the inclined wedge driving block is arranged on the side molding seat, a lower guide block matched with the lower guide block is arranged on the side molding seat, a reset spring for pushing the side molding seat to move away from the lower molding block, and two stop blocks are arranged on the upper die holder at the two sides of the side seat matched with the stop blocks.
As a preferable scheme, a plurality of guide posts are arranged in the mounting groove; the end of the guide post is matched with a guide hole arranged on the upper pressing block.
As a preferable scheme, the wedge driving block is provided with a positioning guide block with a triangular section.
As a preferable scheme, the upper end cutter block, the upper connecting part cutter block and the upper follow-up block are respectively provided with a plurality of elastic pressing pins.
The beneficial effects of the invention are as follows: because the sliding guide block is movably provided with the side forming seat for forming the triangular area at the long side end part of the workpiece, and the side forming seat is provided with the driving inclined surface matched with the inclined wedge driving block, the driving inclined surface is provided with the lower guide block matched with the positioning guide block so as to turn over the other side of the triangular area of the workpiece, the die has compact structure and good forming effect; because the outer edge of the lower forming block, which corresponds to the long edge of the workpiece and is close to the short edge, is provided with two notches which are arranged in parallel, the edge flanging of the workpiece, which is far away from the symmetry line of the workpiece, is met, and meanwhile, the part is prevented from being twisted and torn, so that the forming quality of the workpiece is well ensured.
Because the mounting groove is provided with a plurality of guide posts; the end of the guide post is matched with the guide hole arranged on the upper pressing block, so that the movement of the upper pressing block is stable and reliable, and the forming quality of the workpiece is further ensured.
The wedge driving block is provided with the positioning guide block with the triangular section, so that the reliability of the movement of the side forming seat is ensured, and the accuracy of forming the corresponding part of the workpiece is ensured.
Because the upper end part cutter block, the upper connecting part cutter block and the upper follow-up block are respectively provided with a plurality of elastic pressing pins, the workpiece material plate is pressed to avoid workpiece jumping before workpiece stamping, and the reliability of workpiece forming is further ensured.
Drawings
Fig. 1 is a schematic view of the left and right parts of the a pillar of the automobile.
Fig. 2 is a schematic view of the upper die structure of the present invention (the upper press block is removed for clarity).
FIG. 3 is a schematic view of the lower die of the present invention (for clarity, the side forming shoe is removed but the return spring is retained in place on the lower die base).
In fig. 1 to 3: 1. the device comprises an upper die holder, a lower die holder, a nitrogen spring, an upper pressing block, a guide post, a rectangular punch, a through hole punch, an upper end cutter block, an upper connecting part cutter block, an upper follow-up block, and a wedge driving block, wherein the upper die holder, the lower die holder, the nitrogen spring, the upper pressing block, the guide post, the rectangular punch, the through hole punch, the upper end cutter block, the upper connecting part cutter block, the upper follow-up block and the wedge driving block are respectively arranged in sequence; 12. positioning the guide block; 13. lower forming block, 131, notch, 14, workpiece positioning block, 15, elastic pressing pin, 16, positioning pin, 17, rectangular mould button, 18, through hole mould button, 19, sliding guide block, 20, wear plate, 21, side forming seat, 22, return spring, 23, stop, 24, lower guide block.
Detailed Description
Specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1-3, the middle-channel stamping forming die for the left and right parts of the automobile column a comprises an upper die holder 1 and a lower die holder 2, wherein the upper die holder 1 is provided with a mounting groove, an upper pressing block 4 is arranged in the mounting groove through a plurality of nitrogen springs 3, and a plurality of guide columns 5 are arranged in the mounting groove. The end part of the guide post 5 is matched with a guide hole arranged on the upper pressing block 4, two rectangular punches 6 for respectively processing rectangular holes on the left workpiece and the right workpiece are arranged in a mounting groove, two through hole punches 7 for respectively processing through holes at the end parts of the upper short edges of the left workpiece and the right workpiece are arranged in the mounting groove, an upper end cutter block 8 for cutting off the end parts of the upper short edges of the left workpiece and the right workpiece is arranged on the outer edge of a notch of the mounting groove on the upper die holder 1, an upper connecting part cutter block 9 for cutting off the connecting parts of the upper short edges of the left workpiece and the right workpiece is arranged on the outer edge of the notch of the mounting groove on the upper die holder 1, an upper follow-up block 10 for pressing the outer edges of the upper long edges of the left workpiece and the right workpiece is arranged on the outer edge of the notch of the mounting groove on the upper die holder 1, and a wedge driving block 11 is arranged on the position of the connecting parts of the upper long edges of the left workpiece and the right workpiece; the wedge driving block 11 is provided with a positioning guide block 12 with a triangular section.
The lower die holder 2 is provided with a lower molding block 13, the lower molding block 13 is provided with a molding surface, the lower molding block 13 is provided with two notches 131 which are arranged in parallel at the outer edge which corresponds to the long edge of the workpiece and is close to the short edge, the lower die holder 2 is provided with a plurality of workpiece positioning blocks 14 at the periphery of the lower molding block 13, and the lower molding block 13 is provided with a blade part which is matched with the upper end part blade block 8 and the upper connecting part blade block 9. The upper end cutter block 8, the upper connecting part cutter block 9 and the upper follow-up block 10 are respectively provided with a plurality of elastic pressing pins 15. The lower forming block 13 is provided with two positioning pins 16 matched with positioning hole pins on a workpiece, the lower forming block 13 is provided with a rectangular die button 17 matched with a rectangular punch 6, the lower forming block 13 is provided with a through hole die button 18 matched with a through hole punch 7, the lower die holder 2 is provided with a sliding guide block 19, the sliding guide block 19 is provided with a wear-resisting plate 20, the sliding guide block 19 is movably provided with a side forming seat 21 at a triangular area of the long side end part of the forming workpiece, the side forming seat 21 is provided with a driving inclined surface matched with the inclined wedge driving block 11, the driving inclined surface is provided with a lower guide block 24 matched with the positioning guide block, the lower bottom surface of the side forming seat 21 is provided with a reset spring 22 pushing against the lower forming block 13 to enable the side forming seat 21 to move far away from the lower forming block 13, the lower die holder 2 is provided with two stop blocks 23 at the edge, and the side forming seat 21 is provided with an elastic cushion block matched with the two stop blocks 23.
The above-described embodiments are merely illustrative of the principles and functions of the present invention, and some of the practical examples, not intended to limit the invention; it should be noted that modifications and improvements can be made by those skilled in the art without departing from the inventive concept, and these are all within the scope of the present invention.
Claims (4)
1. The utility model provides a stamping forming mould in piece about car A post, includes upper die base and die holder, is equipped with the mounting groove on the upper die base, is equipped with the material piece that presses through a plurality of nitrogen springs in the mounting groove, its characterized in that: the upper die holder is provided with an upper connecting part knife block for cutting the connecting part of the upper short edges of the left and right two workpieces, the upper die holder is provided with an upper follow-up block for pressing the outer edges of the long edges of the left and right two workpieces, and the upper die holder is provided with a wedge driving block at the position where the outer edges of the mounting groove are opposite to the connecting parts of the long edges of the left and right two workpieces;
the lower die holder is provided with a lower molding block, the lower molding block is provided with a molding surface, two notches which are arranged in parallel are arranged on the lower molding block corresponding to the outer edge of the long edge close to the short edge of the workpiece, a plurality of workpiece positioning blocks are arranged on the periphery of the lower molding block on the lower die holder, a cutting edge part matched with the upper end part cutting block and the upper connecting part cutting block is arranged on the lower molding block, two positioning pins matched with positioning hole pins on the workpiece are arranged on the lower molding block, a rectangular die button matched with a rectangular punch is arranged on the lower molding block, a through hole die button matched with the through hole punch is arranged on the lower molding block, a sliding guide block is arranged on the lower die holder, a wear-resisting plate is arranged on the sliding guide block, a side molding seat for molding the triangular region of the long edge part of the workpiece is arranged on the sliding guide block, a driving inclined surface matched with the inclined wedge driving block is arranged on the side molding seat, a lower guide block matched with the lower guide block is arranged on the side molding seat, a reset spring for pushing the side molding seat to move away from the lower molding block, and two stop blocks are arranged on the upper die holder at the two sides of the side seat matched with the stop blocks.
2. The automobile a-pillar left and right member middle-way stamping forming die as claimed in claim 1, wherein: a plurality of guide posts are arranged in the mounting groove; the end part of the guide post is matched with a guide hole arranged on the upper pressing block.
3. The automobile a-pillar left and right member middle-way stamping forming die as claimed in claim 2, wherein: and the wedge driving block is provided with a positioning guide block with a triangular section.
4. A middle-channel stamping forming die for left and right parts of an automobile a column as claimed in claim 3, wherein: the upper end cutter block, the upper connecting part cutter block and the upper follow-up block are respectively provided with a plurality of elastic pressing pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111252237.5A CN114011950B (en) | 2021-10-27 | 2021-10-27 | Middle-channel stamping forming die for left and right parts of automobile A column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111252237.5A CN114011950B (en) | 2021-10-27 | 2021-10-27 | Middle-channel stamping forming die for left and right parts of automobile A column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114011950A CN114011950A (en) | 2022-02-08 |
| CN114011950B true CN114011950B (en) | 2023-11-14 |
Family
ID=80057838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111252237.5A Active CN114011950B (en) | 2021-10-27 | 2021-10-27 | Middle-channel stamping forming die for left and right parts of automobile A column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114011950B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU975147A1 (en) * | 1980-04-04 | 1982-11-23 | Горьковский Автомобильный Завод Производственное Объединение "Газ" | Expansion drawing die |
| JP2017170482A (en) * | 2016-03-24 | 2017-09-28 | 新日鐵住金株式会社 | Manufacturing method and manufacturing apparatus of press part having hat cross section |
| CN109909376A (en) * | 2019-02-25 | 2019-06-21 | 奇瑞汽车股份有限公司 | Side shaping mould structure |
| CN111203478A (en) * | 2018-11-22 | 2020-05-29 | 浙江舜仕汽车技术有限公司 | Blanking and shaping die for automobile A-pillar sheet metal part |
| CN211437767U (en) * | 2019-12-27 | 2020-09-08 | 长沙金鸿顺汽车部件有限公司 | Punching and trimming forming die for two ends of inner reinforcing plate of automobile front wheel |
-
2021
- 2021-10-27 CN CN202111252237.5A patent/CN114011950B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU975147A1 (en) * | 1980-04-04 | 1982-11-23 | Горьковский Автомобильный Завод Производственное Объединение "Газ" | Expansion drawing die |
| JP2017170482A (en) * | 2016-03-24 | 2017-09-28 | 新日鐵住金株式会社 | Manufacturing method and manufacturing apparatus of press part having hat cross section |
| CN111203478A (en) * | 2018-11-22 | 2020-05-29 | 浙江舜仕汽车技术有限公司 | Blanking and shaping die for automobile A-pillar sheet metal part |
| CN109909376A (en) * | 2019-02-25 | 2019-06-21 | 奇瑞汽车股份有限公司 | Side shaping mould structure |
| CN211437767U (en) * | 2019-12-27 | 2020-09-08 | 长沙金鸿顺汽车部件有限公司 | Punching and trimming forming die for two ends of inner reinforcing plate of automobile front wheel |
Non-Patent Citations (1)
| Title |
|---|
| 基于短工序化的侧围外板冲压工艺与模具设计;蒋磊;王龙;王大鹏;程方宝;;模具制造(05);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114011950A (en) | 2022-02-08 |
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