CN113926920A - Inner longitudinal beam A-section curved surface stamping die - Google Patents
Inner longitudinal beam A-section curved surface stamping die Download PDFInfo
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- CN113926920A CN113926920A CN202111129587.2A CN202111129587A CN113926920A CN 113926920 A CN113926920 A CN 113926920A CN 202111129587 A CN202111129587 A CN 202111129587A CN 113926920 A CN113926920 A CN 113926920A
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- limiting nail
- inner longitudinal
- longitudinal beam
- lower die
- die
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- 238000000034 method Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of 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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses an A-section curved surface stamping die for an inner longitudinal beam. When the left inner longitudinal beam and the right inner longitudinal beam are machined, the limiting holes in the front process piece of the left inner longitudinal beam respectively correspond to the first limiting nail, the second limiting nail, the third limiting nail and the fifth limiting nail; the limiting holes in the front process piece of the right inner longitudinal beam respectively correspond to the first limiting nail, the second limiting nail, the fourth limiting nail and the sixth limiting nail; therefore, the die can be used for stamping the forming surfaces of the left inner longitudinal beam and the right inner longitudinal beam, the application range of the die is widened, and the manufacturing cost is reduced.
Description
Technical Field
The invention relates to the field of stamping equipment, in particular to an A-section curved surface stamping die for an inner longitudinal beam.
Background
The frame of the automobile mainly comprises longitudinal beams and cross beams, the cross section of each frame longitudinal beam is generally U-shaped, and the frame longitudinal beams are formed by welding upper end wing plates and lower end wing plates to webs. Under service conditions, the frame rails, which are the main components of the frame, are subjected to various complex loads from the road and loads, and frame rail strength, stiffness and life are very important in the overall design of the vehicle. The frame longitudinal beam is the largest stamping workpiece in automobile production, and because the left longitudinal beam and the right longitudinal beam are symmetrical in shape, two sets of dies are generally adopted for production in the forming process, so that the die is high in manufacturing cost and long in manufacturing period.
Disclosure of Invention
The invention aims to solve the technical problems and provides an A-section curved surface stamping die for an inner longitudinal beam, which comprises a lower die assembly, an upper die assembly and a positioning assembly;
the lower die assembly includes:
a lower die holder;
the lower die forming block is arranged on the lower die base, the forming surface of the lower die forming block is a stretching curved surface and comprises an upper slope surface, a top plane, a lower slope surface, a valley surface and a slope surface which are continuous and formed by extending from one end to the other end, a virtual curve is arranged on the forming surface, and the plane where the virtual curve is located is a symmetrical plane of the lower die forming block;
the upper die assembly comprises:
the upper die base is arranged above the lower die forming block;
the upper die forming block is arranged on the lower surface of the upper die base, and the lower surface of the upper die forming block is matched with the upper surface of the lower die forming block;
locating component includes mount pad and stop pin, the stop pin includes:
the first limit nail is arranged on the upper slope surface and is positioned on the virtual curve;
the second limit nail is arranged on the top plane and is positioned on the virtual curve;
the third limiting nail is arranged on the valley surface and is positioned on one side of the symmetrical surface;
the fourth limiting nail is arranged on the valley surface and is symmetrically arranged with the third limiting nail;
the fifth limiting nail is arranged on the slope surface and is positioned on one side of the symmetrical surface; and
and the sixth limiting nail is arranged on the slope surface and is symmetrically arranged with the fifth limiting nail.
Preferably, the curved surface stamping die for the section a of the inner longitudinal beam further comprises a first guide mechanism, and the first guide mechanism comprises:
the first guide groove is arranged on the lower die base and is close to two ends of the lower die forming block;
and the first guide pillar is arranged on the upper die base and is matched with the first guide groove.
Preferably, the curved surface stamping die for the section a of the inner longitudinal beam further comprises a second guide mechanism, and the second guide mechanism comprises:
the guide seat is arranged on the lower die seat and comprises fixed blocks arranged at two ends of the lower die forming block and guide columns arranged at the upper ends of the fixed blocks;
and the guide grooves are arranged at two ends of the upper die base and are matched with the guide columns.
Preferably, the positioning assembly further comprises:
the seventh limiting nail is arranged on the slope surface and is positioned between the third limiting nail and the fifth limiting nail;
and the eighth limiting nail is arranged on the slope surface and is symmetrically arranged with the fifth limiting nail.
Preferably, the mounting seat comprises a block body, and a fixing hole and a mounting hole which are arranged on the block body, and the mounting hole is used for mounting the limit pin; and the mounting seat is provided with a mounting cavity for accommodating the block body.
Preferably, the positioning assembly further comprises:
the ninth limiting nail is arranged on the slope surface and is positioned between the fifth limiting nail and the seventh limiting nail;
and the tenth limiting nail is arranged on the slope surface and is symmetrically arranged with the ninth limiting nail.
The invention has the beneficial effects that:
the forming surface of the die is a stretching curved surface, the limiting nails are symmetrically distributed on the lower die forming block correspondingly, and when the left inner longitudinal beam and the right inner longitudinal beam are processed, the limiting holes on the front process piece of the left inner longitudinal beam correspond to the first limiting nail, the second limiting nail, the third limiting nail and the fifth limiting nail respectively. The limiting holes in the front process piece of the right inner longitudinal beam respectively correspond to the first limiting nail, the second limiting nail, the fourth limiting nail and the sixth limiting nail; therefore, the die can be used for stamping the forming surfaces of the left inner longitudinal beam and the right inner longitudinal beam, the application range of the die is widened, and the manufacturing cost is reduced.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a curved surface stamping die for an A section of an inner longitudinal beam;
FIG. 2 is a schematic structural view of a lower die assembly in the embodiment of FIG. 1;
fig. 3 is a schematic structural view of the positioning assembly and the second guide mechanism in the embodiment of fig. 1.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1 to 3, the curved surface stamping die for the section a of the inner longitudinal beam is used for completing curved surface stamping of a process piece of the section a of the inner longitudinal beam, and comprises a lower die assembly, an upper die assembly and a positioning assembly;
the lower die assembly comprises a lower die base 11 and a lower die forming block 12; the lower die forming block 12 is arranged on the lower die base 11, the forming surface of the lower die forming block is a stretching curved surface and comprises a continuous upper slope surface 12a, a top plane 12b, a lower slope surface 12c, a valley surface 12d and a slope surface 12e which are formed by extending from one end to the other end, a virtual curve is arranged on the forming surface, and the plane where the virtual curve is located is a symmetrical surface of the lower die forming block 12;
the upper die assembly comprises an upper die base 21 and an upper die forming block 22, and the upper die base 21 is arranged above the lower die forming block 12; the upper die forming block 22 is arranged on the lower surface of the upper die base 21, and the lower surface of the upper die forming block 22 is matched with the upper surface of the lower die forming block 12.
The locating component comprises a mounting seat 31 and a limit nail 32, the mounting seat 31 comprises a block body and a fixing hole and a mounting hole which are arranged on the block body, and a mounting cavity for accommodating the block body is arranged on the mounting seat 31. The fixing holes are used for fixing the block body in the installation cavity, and the installation holes are used for installing the limiting nails 32. And a containing hole matched with the limit nail 32 is correspondingly arranged on the upper die forming block 22.
The stopper pin 32 includes:
the first limit pin 32a is arranged on the upper slope surface 12a and is positioned on the virtual curve; the second limit pin 32b is arranged on the top plane 12b and is positioned on the virtual curve; the third limiting nail 32c is arranged on the valley surface 12d and is positioned on one side of the symmetrical surface; the fourth limit pins 32d are arranged on the valley surfaces 12d and are symmetrically arranged with the third limit pins 32 c; the fifth limiting nail 32e is arranged on the slope surface 12e and is positioned on one side of the symmetrical surface; and the sixth limit pin 32f is arranged on the slope surface 12e and is symmetrical to the fifth limit pin 32 e.
Further, the stamping die for the curved surface of the section a of the inner longitudinal beam further comprises a first guide mechanism, and the first guide mechanism comprises a first guide groove 41 and a first guide pillar 42. The first guide groove 41 is arranged on the lower die base 11 and is arranged close to two ends of the lower die forming block 12; the first guide post 42 is disposed on the upper die base 21 and is adapted to the first guide groove 41. The first guide groove 41 is correspondingly provided with a self-lubricating plate attached to the first guide post 42, and the arrangement of the first guide groove 41 and the first guide post 42 can improve the mold clamping precision between the upper mold base 21 and the lower mold base 11 during mold clamping.
Further, the stamping die for the curved surface of the section A of the inner longitudinal beam further comprises a second guide mechanism, and the second guide mechanism comprises a guide seat and a guide groove; the guide seat is arranged on the lower die base 11 and comprises fixed blocks 51 arranged at two ends of the lower die forming block 12 and guide columns 52 arranged at the upper ends of the fixed blocks 51; the guide grooves are arranged at two ends of the upper die holder 21 and are matched with the guide columns 52. This can improve the accuracy of clamping the upper mold block 22 and the lower mold block 12.
Further, the positioning assembly further comprises a seventh limit pin 32g, an eighth limit pin 32h, a ninth limit pin 32i and a tenth limit pin 32 j. The seventh limit pin 32g is arranged on the slope surface 12e and is positioned between the third limit pin 32c and the fifth limit pin 32 e; and the eighth limit pin 32h is arranged on the slope surface 12e and is symmetrically arranged with the fifth limit pin 32 e. The ninth limit pin 32i is arranged on the slope surface 12e and is positioned between the fifth limit pin 32e and the seventh limit pin 32 g; and the tenth limit pin 32j is arranged on the slope surface 12e and is symmetrical to the ninth limit pin 32 i.
Further, a plurality of symmetrical installation cavities can be arranged on the lower die forming block 12 so as to correspond to the limiting holes at different positions, and the stamping precision is improved.
The forming surface of the die is a stretching curved surface, the limiting nails 32 which are symmetrically distributed are arranged on the lower die forming block 12, and when the left and right inner longitudinal beams are processed, the limiting holes on the front process piece of the left inner longitudinal beam respectively correspond to the first limiting nail 32a, the second limiting nail 32b, the third limiting nail 32c and the fifth limiting nail 32 e. The limiting holes in the front process piece of the right inner longitudinal beam respectively correspond to the first limiting nail 32a, the second limiting nail 32b, the fourth limiting nail 32d and the sixth limiting nail 32 f; therefore, the die can be used for stamping the forming surfaces of the left inner longitudinal beam and the right inner longitudinal beam, the application range of the die is widened, and the manufacturing cost is reduced.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the invention is not to be considered limited to those descriptions. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.
Claims (6)
1. A curved surface stamping die for an A section of an inner longitudinal beam is characterized by comprising a lower die assembly, an upper die assembly and a positioning assembly;
the lower die assembly includes:
a lower die holder;
the lower die forming block is arranged on the lower die base, the forming surface of the lower die forming block is a stretching curved surface and comprises an upper slope surface, a top plane, a lower slope surface, a valley surface and a slope surface which are continuous and formed by extending from one end to the other end, a virtual curve is arranged on the forming surface, and the plane where the virtual curve is located is a symmetrical plane of the lower die forming block;
the upper die assembly comprises:
the upper die base is arranged above the lower die forming block;
the upper die forming block is arranged on the lower surface of the upper die base, and the lower surface of the upper die forming block is matched with the upper surface of the lower die forming block;
locating component includes mount pad and stop pin, the stop pin includes:
the first limit nail is arranged on the upper slope surface and is positioned on the virtual curve;
the second limit nail is arranged on the top plane and is positioned on the virtual curve;
the third limiting nail is arranged on the valley surface and is positioned on one side of the symmetrical surface;
the fourth limiting nail is arranged on the valley surface and is symmetrically arranged with the third limiting nail;
the fifth limiting nail is arranged on the slope surface and is positioned on one side of the symmetrical surface; and
and the sixth limiting nail is arranged on the slope surface and is symmetrically arranged with the fifth limiting nail.
2. The curved surface stamping die for the A-section of the inner longitudinal beam as claimed in claim 1, wherein the curved surface stamping die for the A-section of the inner longitudinal beam further comprises a first guide mechanism, and the first guide mechanism comprises:
the first guide groove is arranged on the lower die base and is close to two ends of the lower die forming block;
and the first guide pillar is arranged on the upper die base and is matched with the first guide groove.
3. The curved surface stamping die for the section a of the inner longitudinal beam as claimed in claim 1, wherein the curved surface stamping die for the section a of the inner longitudinal beam further comprises a second guide mechanism, and the second guide mechanism comprises:
the guide seat is arranged on the lower die seat and comprises fixed blocks arranged at two ends of the lower die forming block and guide columns arranged at the upper ends of the fixed blocks;
and the guide grooves are arranged at two ends of the upper die base and are matched with the guide columns.
4. The curved stamping die for a-section curved surfaces of inner longitudinal beams according to claim 1, wherein the positioning assembly further comprises:
the seventh limiting nail is arranged on the slope surface and is positioned between the third limiting nail and the fifth limiting nail;
and the eighth limiting nail is arranged on the slope surface and is symmetrically arranged with the fifth limiting nail.
5. The curved surface stamping die for the section A of the inner longitudinal beam as claimed in claim 1, wherein the mounting seat comprises a block body, and a fixing hole and a mounting hole which are arranged on the block body, and the mounting hole is used for mounting the limit pin; and the mounting seat is provided with a mounting cavity for accommodating the block body.
6. The curved stamping die for a-section curved surfaces of inner longitudinal beams according to claim 4, wherein the positioning assembly further comprises:
the ninth limiting nail is arranged on the slope surface and is positioned between the fifth limiting nail and the seventh limiting nail;
and the tenth limiting nail is arranged on the slope surface and is symmetrically arranged with the ninth limiting nail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111129587.2A CN113926920A (en) | 2021-09-26 | 2021-09-26 | Inner longitudinal beam A-section curved surface stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111129587.2A CN113926920A (en) | 2021-09-26 | 2021-09-26 | Inner longitudinal beam A-section curved surface stamping die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113926920A true CN113926920A (en) | 2022-01-14 |
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ID=79277007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111129587.2A Pending CN113926920A (en) | 2021-09-26 | 2021-09-26 | Inner longitudinal beam A-section curved surface stamping die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113926920A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1090811A2 (en) * | 1999-10-08 | 2001-04-11 | JAC Products Deutschland GmbH | Roof rails for vehicles and method for the production thereof |
| CN108405723A (en) * | 2018-02-26 | 2018-08-17 | 合肥皓东精密工业有限公司 | A kind of high-strength accurate canister metals sealing element group mould |
| CN108856483A (en) * | 2018-06-28 | 2018-11-23 | 滁州学院 | A kind of mould-forming process for longitudinal beam of automobile frame |
| CN112157174A (en) * | 2020-09-14 | 2021-01-01 | 一汽解放汽车有限公司 | Variable cross-section longitudinal beam pre-bending die and variable cross-section longitudinal beam pre-bending device |
-
2021
- 2021-09-26 CN CN202111129587.2A patent/CN113926920A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1090811A2 (en) * | 1999-10-08 | 2001-04-11 | JAC Products Deutschland GmbH | Roof rails for vehicles and method for the production thereof |
| CN108405723A (en) * | 2018-02-26 | 2018-08-17 | 合肥皓东精密工业有限公司 | A kind of high-strength accurate canister metals sealing element group mould |
| CN108856483A (en) * | 2018-06-28 | 2018-11-23 | 滁州学院 | A kind of mould-forming process for longitudinal beam of automobile frame |
| CN112157174A (en) * | 2020-09-14 | 2021-01-01 | 一汽解放汽车有限公司 | Variable cross-section longitudinal beam pre-bending die and variable cross-section longitudinal beam pre-bending device |
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