CN217665818U - Stamping die for producing automobile rear longitudinal beam and automobile rear longitudinal beam - Google Patents
Stamping die for producing automobile rear longitudinal beam and automobile rear longitudinal beam Download PDFInfo
- Publication number
- CN217665818U CN217665818U CN202220780203.7U CN202220780203U CN217665818U CN 217665818 U CN217665818 U CN 217665818U CN 202220780203 U CN202220780203 U CN 202220780203U CN 217665818 U CN217665818 U CN 217665818U
- Authority
- CN
- China
- Prior art keywords
- die
- longitudinal beam
- rear longitudinal
- automobile rear
- stamping die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model discloses a longeron behind stamping die and car for longeron production behind car relates to the mould field, and this stamping die is used for solving the back longeron top surface and corrugates and the lateral wall is crooked, include: the upper die base is provided with an upper material pressing block, and the upper material pressing block is used for being in contact with the top surface of the rear longitudinal beam; the lower die base is matched with the upper die base, a drawing ridge is arranged on a blank holder ring of the lower die base and is positioned on two sides of the upper pressing block; this stamping die can effectively shorten mould development cycle and reduce the round of rectification, reduces mould development cost to can solve back longeron top surface and corrugate and the lateral wall is crooked, guarantee punching press finished piece quality and precision.
Description
Technical Field
The utility model belongs to the mould field, more specifically relates to a stamping die and longeron behind car for longeron production behind car.
Background
With the increasing demands of new energy automobiles on the aspects of light weight, collision safety and the like, the application of the high-strength steel material is also more and more extensive. The rear longitudinal beam is used as a key part of the white automobile body, and the quality and the precision of a finished part of the rear longitudinal beam seriously affect the precision of the white automobile body. And the shape characteristics of the longitudinal beam determine the problems that the top surface of the lower couch in the middle of the workpiece is easy to wrinkle, the side wall rebounds and is reversely concave, the longitudinal direction is distorted and deformed, and the like. In order to improve the quality and the precision of a workpiece, the die needs to be rectified and improved for multiple times, and the consumed time period is long.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the not enough that prior art exists, provide a stamping die and longeron behind car for longeron production behind car, this stamping die can effectively shorten mould development cycle and reduce the rectification round number, reduces mould development cost to can solve the back longeron top surface and corrugate and the lateral wall is crooked, guarantee punching press finished piece quality and precision.
In order to achieve the above object, the utility model provides a stamping die for longeron production behind car, this stamping die is used for solving back longeron top surface and corrugating and lateral wall crooked, and this stamping die includes:
the upper die holder is provided with an upper pressing block, and the upper pressing block is used for contacting with the top surface of the rear longitudinal beam;
the lower die holder is matched with the upper die holder, drawing ridges are arranged on the blank holder of the lower die holder, and the drawing ridges are located on two sides of the upper material pressing block.
Optionally, the length of the drawing ridge along the X direction corresponds to the length of the lower die holder along the X direction.
Optionally, the upper swaging block is detachably connected with the upper die base.
Optionally, the upper die holder comprises a plurality of die inserts, and the upper pressing block is arranged on the action surfaces of the plurality of die inserts located in the middle of the drawing die of the upper die holder.
Optionally, the shape surface of the upper swaging block is fitted with the middle shape surface of the top surface of the rear longitudinal beam.
Optionally, the lower die holder further comprises a drawing male die, the drawing male die is arranged in the middle of the lower die holder along the Y direction, and one end of the drawing ridge close to the drawing male die is lower than one end far away from the drawing male die.
Optionally, one end of the drawing ridge away from the drawing convex die is provided with a drawing rib.
The utility model provides a longeron behind car, longeron behind car are formed by the foretell stamping die that is used for longeron production behind car.
The utility model provides a longeron behind stamping die and car for longeron production behind car, its beneficial effect lies in:
1. the stamping die provides a process supplement scheme for solving the problems of wrinkling of the top surface and bending of the side wall of the rear longitudinal beam;
2. the process supplement scheme can shorten the development period of the die and reduce the development cost of the die;
3. the stamping die can improve the quality and the precision of the rear longitudinal beam and meet the design requirements.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout the exemplary embodiments of the present invention.
Fig. 1 shows a schematic position diagram of a stamping die for producing a rear longitudinal beam of an automobile according to an embodiment of the present invention.
Fig. 2 showsbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of fig. 1.
Fig. 3 shows a cross-sectional view B-B of fig. 1.
Fig. 4 shows an enlarged view at C of fig. 3.
Description of reference numerals:
1. an upper die holder; 2. feeding a material pressing block; 3. a lower die holder; 4. drawing ridges; 5. drawing a male die; 6. a draw bead; 7. a blank holder; 8. and (4) parting line.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
The utility model provides a stamping die for longeron production behind car, this stamping die are used for solving back longeron top surface and corrugate and the lateral wall is crooked, and this stamping die includes:
the upper die base is provided with an upper material pressing block, and the upper material pressing block is used for being in contact with the top surface of the rear longitudinal beam;
the lower die base is matched with the upper die base, a drawing ridge is arranged on a blank holder ring of the lower die base, and the drawing ridge is positioned on two sides of the upper pressing block.
Specifically, the upper pressing block is arranged on the upper die holder of the stamping die, when the upper die holder is used for blanking, the upper pressing block applies force to the wrinkling part of the rear longitudinal beam, the force application area and the force application strength of a stamping part of the rear longitudinal beam are increased, the drawing ridge is arranged at the blank holder of the lower die holder, the material flow is controlled in the drawing process, and the problems of wrinkling of the upper top surface and bending of the side wall of the rear longitudinal beam can be thoroughly solved.
The upper pressing material is added on the upper die base, so that the wrinkling tendency of the rear longitudinal beam can be effectively reduced, the wrinkling problem of the top surface concave area at the middle end of the rear longitudinal beam is effectively eliminated, and the product surface quality of the rear longitudinal beam part is improved. When the upper pressing block is not added, the upper die base and the lower die base can be wrinkled at a certain time point in the drawing process, after the upper pressing block is added, the upper pressing block is firstly contacted with the surface of the rear longitudinal beam before wrinkling is formed, the rear longitudinal beam is compacted on the lower die base, and a wrinkling-free part shape is formed, so that the problem of wrinkling during forming is effectively solved.
Optionally, the length of the drawing ridge along the X direction corresponds to the length of the lower die base along the X direction.
Specifically, the drawing ridge is arranged on the blank holder in the X direction of the lower die holder, and the length of the drawing ridge corresponds to that of the lower die holder, so that when the upper die holder presses the lower die holder downwards, the drawing ridge effectively controls the flow of drawn blanks generated after blanking, and the length of the drawing ridge is at least not less than that of a drawing male die of the lower die holder.
Optionally, the upper swaging block is detachably connected with the upper die holder.
Specifically, when the upper pressing material is ground, the upper pressing material block and the upper die base can be fixed, so that the grinding rate of the upper pressing material and the molded surface of the female die can be improved, and the control effect on top surface wrinkling is improved.
Optionally, the upper die holder comprises a plurality of die inserts, and the upper pressing block is arranged on the action surfaces of the plurality of die inserts located in the middle of the drawing die of the upper die holder.
Specifically, the upper pressing blocks are arranged on the die inserts, and the die inserts are located in the middle of the drawing die, so that when the upper pressing blocks are matched with the die downwards, force application is more uniform, uneven blanking of the rear longitudinal beam is avoided, and wrinkling of the rear longitudinal beam is caused.
Optionally, the surface of the upper swaging block is attached to the middle surface of the top surface of the rear longitudinal beam.
Specifically, the surface of the upper swaging block is attached to the surface of the top surface of the rear longitudinal beam, when the upper die base is in the blanking process, the upper swaging block can be perfectly attached to the rear longitudinal beam, the rear longitudinal beam is completely attached to the lower die base, and the wrinkling condition can be effectively controlled.
Optionally, the lower die holder further comprises a drawing convex die, the drawing convex die is arranged in the middle of the lower die holder along the Y direction, and one end of the drawing ridge close to the drawing convex die is lower than one end far away from the drawing convex die.
Specifically, the drawing ridge is arranged on the blank holder, and one side of the drawing ridge close to the drawing male die is lower than one side of the drawing ridge far away from the drawing male die, so that the material flowing trend of the rear longitudinal beam in the drawing process can be controlled through the profile of the drawing ridge, and the situation that the top surface is wrinkled is avoided.
Optionally, one end of the drawing ridge away from the drawing convex die is provided with a drawing rib.
Specifically, the draw rib is arranged at one end of the draw ridge far away from the drawing male die, so that the resistance of the material flowing of the stamping part in the drawing process can be further increased, the plate at the edge of the rear longitudinal beam is thinned, and the condition that the side wall is bent is reduced.
The utility model provides a longeron behind car, longeron behind car are formed by the foretell stamping die that is used for longeron production behind car.
Specifically, the wrinkling condition of the top surface of the rear longitudinal beam manufactured by the stamping die completely disappears, the bending of the side wall is improved, the strength of the top surface of the rear longitudinal beam is ensured, when the rear longitudinal beam is welded into an assembly and an automobile body, the overlarge accumulated error of the size of the automobile body cannot be caused, and the overall quality of the automobile body is improved.
Examples
As shown in fig. 1 to 4, the utility model provides a stamping die for longeron production behind car, this stamping die are used for solving back longeron top surface and corrugate and the lateral wall is crooked, and this stamping die includes:
the upper die holder 1 is provided with an upper pressing block 2, and the upper pressing block 2 is used for being in contact with the top surface of the rear longitudinal beam;
the lower die base 3 is matched with the upper die base 1, a drawing ridge 4 is arranged on a blank holder 7 of the lower die base 3, and the drawing ridge 4 is positioned on two sides of the upper pressing block 2.
In the present embodiment, the length of the drawing ridge 4 in the X direction corresponds to the length of the lower die base 3 in the X direction.
In this embodiment, the upper swaging block 2 is detachably connected to the upper die holder 1.
In the present embodiment, the upper die holder 1 includes a plurality of die inserts, and the upper pressing block 2 is disposed on the action surfaces of the plurality of die inserts located at the middle position of the upper die holder 1.
In this embodiment, the surface of the upper swaging block 2 is attached to the middle surface of the top surface of the rear longitudinal beam.
In this embodiment, the lower die holder 3 further includes a drawing male die 5, the drawing male die 5 is disposed in the middle of the lower die holder 3 along the Y direction, and one end of the drawing ridge 4 close to the drawing male die 5 is lower than one end far away from the drawing male die 5.
In the embodiment, one end of the drawing ridge 4 away from the drawing convex die 5 is provided with a drawing rib 6.
The utility model provides a longeron behind car, longeron behind car are formed by the foretell stamping die preparation that is used for longeron production behind car.
In conclusion, the upper pressing block 2 is additionally arranged on the die insert block positioned in the middle of the upper die holder 1 of the stamping die, the drawing ridge 4 is arranged on the blank holder 7 in the X direction of the lower die holder 3, the drawing ridge 4 is adopted to effectively control the material flow in the pressing process, the problem of wrinkling of the top surface of the rear longitudinal beam is solved, the shape of the reverse ridge is correspondingly adjusted along with the difference of product shapes so as to solve the defect that the top surface of the rear longitudinal beam is concave and wrinkled, the pressing surface is not completely attached to the shape of the top surface, the lining depth is effectively reduced, the utilization rate of the rear longitudinal beam part material is improved, and the cost is reduced.
While various embodiments of the present invention have been described above, the above description is intended to be illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (8)
1. The utility model provides a stamping die for production of automobile rear longitudinal beam which characterized in that, this stamping die is used for solving rear longitudinal beam top surface wrinkling and lateral wall bending, and this stamping die includes:
the upper die holder is provided with an upper pressing block, and the upper pressing block is used for contacting with the top surface of the rear longitudinal beam;
the lower die base is matched with the upper die base, a drawing ridge is arranged on a blank holder ring of the lower die base, and the drawing ridge is located on two sides of the upper pressing block.
2. The stamping die for producing the automobile rear longitudinal beam as claimed in claim 1, wherein the length of the drawing ridge along the X direction corresponds to the length of the lower die holder along the X direction.
3. The stamping die for the production of the automobile rear longitudinal beam as claimed in claim 1, wherein the upper swaging block is detachably connected with the upper die base.
4. The stamping die for producing the automobile rear longitudinal beam as claimed in claim 1, wherein the upper die holder comprises a plurality of die inserts, and the upper pressing block is arranged on action surfaces of the plurality of die inserts at a middle position of a drawing die of the upper die holder.
5. The stamping die for producing the automobile rear longitudinal beam as claimed in claim 1, wherein a profile of the upper swaging block is attached to a middle profile of the top surface of the rear longitudinal beam.
6. The stamping die for producing the automobile rear longitudinal beam as claimed in claim 1, wherein the lower die holder further comprises a drawing male die, the drawing male die is arranged in the middle of the lower die holder along the Y direction, and one end of the drawing ridge close to the drawing male die is lower than one end far away from the drawing male die.
7. The stamping die for producing the automobile rear longitudinal beam as claimed in claim 6, wherein one end of the drawing ridge away from the drawing convex die is provided with a drawing bead.
8. An automobile rear longitudinal beam, characterized in that the automobile rear longitudinal beam is manufactured by the stamping die for the production of the automobile rear longitudinal beam as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220780203.7U CN217665818U (en) | 2022-04-06 | 2022-04-06 | Stamping die for producing automobile rear longitudinal beam and automobile rear longitudinal beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220780203.7U CN217665818U (en) | 2022-04-06 | 2022-04-06 | Stamping die for producing automobile rear longitudinal beam and automobile rear longitudinal beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217665818U true CN217665818U (en) | 2022-10-28 |
Family
ID=83733141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220780203.7U Active CN217665818U (en) | 2022-04-06 | 2022-04-06 | Stamping die for producing automobile rear longitudinal beam and automobile rear longitudinal beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217665818U (en) |
-
2022
- 2022-04-06 CN CN202220780203.7U patent/CN217665818U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102513444B (en) | Composite flanging mechanism of stamping die | |
| CN103521622A (en) | Ultrahigh-strength steel plate hat-shaped section part stamping forming method | |
| CN201832883U (en) | Rolling embedded type embossing die | |
| CN111438276A (en) | High-strength steel plate forming hole flanging die for automobile and hole flanging process thereof | |
| CN201304446Y (en) | Compound mould of metal skeleton for car sealing element | |
| CN206373230U (en) | A kind of mobile fingerprint decoration diel | |
| CN106925652A (en) | A kind of drawing forming process and its stamping mold | |
| CN217665818U (en) | Stamping die for producing automobile rear longitudinal beam and automobile rear longitudinal beam | |
| CN212494876U (en) | High-strength steel plate forming hole flanging die for automobile | |
| CN201055887Y (en) | Combined mould for contour forging novel stainless steel pedal skidproof groove | |
| CN110193572A (en) | The manufacturing method of double S type web wheel press shaping die devices and double S type web wheels | |
| CN213223955U (en) | Drawing die | |
| CN206104674U (en) | Pipe bulging die | |
| CN214349051U (en) | Drawing and stamping die and shaping die for automobile central channel | |
| CN113878006A (en) | Forming die and forming method for reinforcing ribs of sheet covering part | |
| CN111515303B (en) | Die structure for eliminating wrinkles on outer vertical wall of inner plate and window frame of vehicle door | |
| CN208600576U (en) | A kind of two times punch mold for the forming of zigzag shape beam piece | |
| CN208033465U (en) | Stress when arc fold bending is inhibited to spring back mould structure | |
| EP2845662B1 (en) | Press and method for the manufacture of a profile | |
| CN201389590Y (en) | Stamping mould of metal bucket lift ear | |
| CN111729978B (en) | Drawing female die, shallow drawing die, trimming die and drawing process piece | |
| CN215879527U (en) | High-density stamping die convenient to shaping | |
| CN220049614U (en) | Long-narrow long-life automobile sheet metal stamping die with lateral force conversion mechanism | |
| CN214977174U (en) | Stamping die of automobile seat back beam support frame | |
| CN216324452U (en) | Stamping springback control structure of side beam high-strength plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |