CN215746331U - Split type automobile body B post draws mould - Google Patents
Split type automobile body B post draws mould Download PDFInfo
- Publication number
- CN215746331U CN215746331U CN202121216445.5U CN202121216445U CN215746331U CN 215746331 U CN215746331 U CN 215746331U CN 202121216445 U CN202121216445 U CN 202121216445U CN 215746331 U CN215746331 U CN 215746331U
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- insert
- groove
- die
- die core
- positioning
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- 238000003825 pressing Methods 0.000 claims abstract description 25
- 238000003780 insertion Methods 0.000 claims description 18
- 230000037431 insertion Effects 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 235000000396 iron Nutrition 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 6
- 238000004512 die casting Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910001060 Gray iron Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a split type vehicle body B-pillar drawing upper die, wherein a die core embedding groove is formed in a seat surface of the bottom of a die holder, an insert mounting groove is formed in the periphery of a groove opening of the die core embedding groove, first die core fastening holes are distributed in the bottom wall of the die core embedding groove, a second die core fastening hole is formed in the top surface of a die core corresponding to the first die core fastening hole, a die core is embedded and positioned in the die core embedding groove, and a bolt penetrates through the first die core fastening hole from the top of the die holder and is connected to the second die core fastening hole to fasten the die core to the bottom wall of the die core embedding groove; the edge pressing insert is embedded and positioned in the insert mounting groove, insert fastening holes are distributed in the groove bottom wall of the insert mounting groove, and a bolt penetrates through the insert fastening holes from the top of the die holder to be connected with the edge pressing insert so as to fasten the edge pressing insert on the groove bottom wall of the insert mounting groove; the die holder and the die core can be assembled in a split mode by adopting cast irons with different hardness, the requirement for drawing, forming and processing of the B column of the automobile body can be met, meanwhile, the assembly is simple, convenient and firm, and the die core is convenient to disassemble from the die holder for maintenance.
Description
Technical Field
The utility model belongs to the technical field of vehicle body B-pillar forming dies, and particularly relates to a vehicle body B-pillar drawing upper die.
Background
The die holder and the die core of the die-casting forming die of the conventional die-casting product are generally of an integrated structure, while the die holder and the die core have certain requirements on the hardness of the die core in the drawing and forming production of the B column of the automobile body, the FC300 gray cast iron adopted by the conventional die-casting die cannot be suitable for manufacturing the drawing die core of the B column of the automobile body, and the drawing die core of the B column of the automobile body can only select GM246 cast iron with higher hardness, so that the die holder and the die core of the die-casting forming die of the B column of the automobile body need to use different cast iron materials in the manufacturing process of the drawing die of the B column of the automobile body. Therefore, in order to achieve the above purpose, a drawing forming die for a vehicle body B column, in which a die holder and a die core are made of cast irons with different hardness, needs to be designed according to the special drawing forming requirements of the vehicle body B column.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model aims to provide the split type vehicle body B-pillar drawing upper die, which can meet the drawing forming processing requirements of the vehicle body B-pillar, and can realize the split type vehicle body B-pillar drawing upper die by adopting cast irons with different hardness.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a split type B-pillar vehicle body drawing upper die comprises a die holder and a die core, wherein a B-pillar main body forming surface is arranged on the bottom surface of the die core, a die core embedding groove is formed in the bottom seat surface of the die holder, an insert mounting groove is formed in the periphery of a notch of the die core embedding groove, the top of the die holder, which faces away from the die core embedding groove and corresponds to the insert mounting groove, is provided with a grid reinforcing rib wall, first die core fastening holes are distributed in the bottom wall of the die core embedding groove, a second die core fastening hole is formed in the top surface of the die core, which corresponds to the first die core fastening hole, the die core is embedded and positioned in the die core embedding groove, and a bolt penetrates through the first die core fastening hole from the top of the die holder and is connected to the second die core fastening hole to fasten the die core to the bottom wall of the die core embedding groove; the insert mounting groove is internally embedded with and positioned with the edge pressing insert, the bottom wall of the insert mounting groove is distributed with insert fastening holes, and the bolt penetrates through the insert fastening holes from the top of the die holder to be connected with the edge pressing insert so as to fasten the edge pressing insert on the bottom wall of the insert mounting groove. The die holder and the die core of the upper drawing die for the B column of the automobile body adopt a split type embedded assembly structure, and the die holder and the die core can adopt cast irons with different hardness, so that the requirement of drawing and forming the B column of the automobile body can be met.
According to the preferable scheme, the bottom wall of the mold core insert groove is respectively provided with a first positioning insert groove and a second positioning insert groove, the first positioning insert groove is perpendicular to the second positioning insert groove in direction, the top surface of the mold core is provided with a third positioning insert groove corresponding to the first positioning insert groove, a fourth positioning insert groove corresponding to the second positioning insert groove, the first positioning insert groove and the second positioning insert groove are respectively fastened with a positioning insert, and the positioning inserts are respectively correspondingly positioned and matched with the third positioning insert groove and the fourth positioning insert groove.
Preferably, the edge pressing insert is formed by sequentially assembling a plurality of insert blocks, a mold core embedding opening matched with the outer peripheral wall of the mold core is formed in the inner ring of the edge pressing insert, and an edge pressing forming surface is arranged on the periphery of the bottom end of the mold core embedding opening and corresponds to the bottom surface of the mold core.
Preferably, the insert blocks are fastened to the bottom wall of the insert mounting groove respectively, and the end portions and the side portions of the two sides of the edge pressing insert are locked and fixed to the die holder by the locking positioning piece, if the locking positioning piece comprises a lower insert and an upper fastening piece, the lower insert is fastened and mounted to the upper fastening piece, the insert blocks at the end portions and the side portions of the two sides of the edge pressing insert are provided with first insertion grooves, the bottom wall of the insert mounting groove is provided with second insertion grooves corresponding to the first insertion grooves, the bottom surface of the insert block is provided with fastener fitting grooves at the periphery of the first insertion grooves, the lower insert is inserted into the first insertion grooves and the second insertion grooves, and the upper fastening piece is positioned and fitted to the fastener fitting grooves and fastened and mounted to the peripheral wall of the groove edge of the insert mounting groove.
Preferably, the die holder is provided with a cavity body in the top, opposite to the die core embedding groove and the insert mounting groove, the grid reinforcing rib wall is arranged in the cavity body and comprises a main reinforcing rib wall corresponding to the outer contour of the die core and a middle connecting rib wall used for fixedly connecting the main reinforcing rib wall to the die holder, the first die core fastening hole is located in the inner ring of the main reinforcing rib wall, and the insert fastening hole is located in the periphery of the main reinforcing rib wall.
The utility model has the following beneficial effects:
according to the split type vehicle body B-pillar drawing upper die, the die holder and the die core can be assembled in a split mode by adopting cast irons with different hardness, the drawing forming processing requirement of the vehicle body B-pillar can be met, the assembly is simple, convenient and firm, and the die core can be conveniently detached from the die holder for maintenance.
Drawings
FIG. 1 is an overall assembly view of a split type vehicle body B-pillar drawing upper die of the utility model;
FIG. 2 is an exploded view of a split body B-pillar drawing upper die of the present invention;
FIG. 3 is a bottom structure view of a die holder of the split type vehicle body B-pillar drawing upper die of the utility model;
FIG. 4 is a top structural view of a die holder of the split type vehicle body B-pillar drawing upper die of the utility model;
FIG. 5 is a structural diagram of a blank holder insert of the split type vehicle body B-pillar drawing upper die;
FIG. 6 is a top structure view of the core of the split type upper B-pillar drawing die for the vehicle body of the utility model.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and specific embodiments so as to more clearly understand the technical idea of the utility model claimed.
As shown in fig. 1-6, the split type vehicle body B-pillar drawing upper die comprises a die holder 1 and a die core 2, wherein a B-pillar main body forming surface is arranged on the bottom surface of the die core 2, a die core embedding groove 11 is formed in the bottom seat surface of the die holder 1, an insert mounting groove 12 is formed in the periphery of the notch of the die core embedding groove 11, a grid reinforcing rib wall is correspondingly arranged at the top of the die holder 1, opposite to the die core embedding groove 11 and the insert mounting groove 12, first die core fastening holes 17 are distributed in the bottom wall of the die core embedding groove 11, a second die core fastening hole 21 is formed in the top surface of the die core 2, the die core 2 is embedded and positioned in the die core embedding groove 11, and a bolt penetrates through the first die core fastening hole 17 from the top of the die holder 1 and is connected to the second die core fastening hole 21 to fasten the die core 2 to the bottom wall of the die core embedding groove 11; the insert mounting groove 12 is embedded and positioned with the edge pressing insert 3, the bottom wall of the insert mounting groove 12 is distributed with insert fastening holes 16, and a bolt penetrates through the insert fastening holes 16 from the top of the die holder 1 to be connected to the edge pressing insert 3 to fasten the edge pressing insert 3 to the bottom wall of the insert mounting groove 12. The die holder 1 and the die core 2 of the B-pillar drawing upper die for the vehicle body adopt a split type embedded assembly structure. According to the split type upper die for drawing the B column of the automobile body, the die holder 1 and the die core 2 can be made of cast iron materials with different hardness, the die holder 1 is made of FC300 gray cast iron, the die core 2 is made of GM246 cast iron, the hardness of the die core 2 made of the GM246 cast iron is high and can meet the requirement of drawing and forming the B column of the automobile body, the die holder 1 and the die core 2 made of the cast iron materials with different hardness are assembled to form the complete upper die through a split type structure, the die core 2 is only required to be embedded and installed in the die core embedding groove 11 from the bottom of the die holder 1 during assembly, and the blank-pressing insert 3 is only required to be embedded and fastened in the insert installing groove 12 of the die holder 1.
Specifically, a first positioning insert groove 11a and a second positioning insert groove 11b are respectively formed in the bottom wall of the mold core insert groove 11, the first positioning insert groove 11a is perpendicular to the second positioning insert groove 11b in direction, a third positioning insert groove 22 is formed in the top surface of the mold core 2 corresponding to the first positioning insert groove 11a, a fourth positioning insert groove 23 is formed in the top surface corresponding to the second positioning insert groove 11b, positioning inserts (not shown) are respectively fastened to the first positioning insert groove 11a and the second positioning insert groove 11b, and the positioning inserts are respectively correspondingly positioned and matched with the third positioning insert groove 22 and the fourth positioning insert groove 23.
The edge pressing insert 3 is formed by sequentially assembling a plurality of insert blocks 30, a mold core embedding opening 31 matched with the outer peripheral wall of the mold core 2 is formed in the inner ring of the edge pressing insert 3, and an edge pressing forming surface 32 is arranged on the bottom end periphery of the mold core embedding opening 31 corresponding to the bottom surface of the mold core 2. The insert blocks 30 are respectively fastened on the groove bottom wall of the insert mounting groove 12, the end part and two side parts of the edge pressing insert 3 are locked and fixed on the die holder 1 by locking positioning pieces 35, each locking positioning piece 35 comprises a lower insert piece 36 and an upper fastening piece 37, the lower insert piece 36 is fastened and mounted on the upper fastening piece 37, the insert blocks 30 on the end part and two side parts of the edge pressing insert 3 are provided with first insertion grooves 33, the groove bottom wall of the insert mounting groove 12 is provided with second insertion grooves 12a corresponding to the first insertion grooves 33, the bottom surface of the insert block 30 is provided with fastener matching grooves 34 on the periphery of the first insertion grooves 33, the lower insert pieces 36 are inserted in the first insertion grooves 33 and the second insertion grooves 12a, and the upper fastening pieces 37 are positioned and matched with the fastener matching grooves 34 and fastened and mounted on the groove edge peripheral wall 12b of the insert mounting groove 12.
The concrete form of the grid reinforcing rib wall adopts: the top of the die holder 1 is opposite to the die core embedding groove 11 and the insert mounting groove 12, a cavity 13 is correspondingly arranged, the grid reinforcing rib wall is arranged in the cavity 13 and comprises a main reinforcing rib wall 14 corresponding to the outer contour of the die core 2 and a middle connecting rib wall 15 used for fixedly connecting the main reinforcing rib wall 14 to the die holder 1, the first die core fastening hole 17 is positioned in the inner ring of the main reinforcing rib wall 14, and the insert fastening hole 16 is positioned on the periphery of the main reinforcing rib wall 14.
Various other changes and modifications to the above-described embodiments and concepts will become apparent to those skilled in the art from the above description, and all such changes and modifications are intended to be included within the scope of the present invention as defined in the appended claims.
Claims (6)
1. A split type vehicle body B-pillar drawing upper die comprises a die holder and a die core, wherein a B-pillar main body forming surface is arranged on the bottom surface of the die core; the die holder is characterized in that a blank pressing insert is embedded and positioned in the insert mounting groove, insert fastening holes are distributed in the groove bottom wall of the insert mounting groove, and bolts penetrate through the insert fastening holes from the top of the die holder and are connected to the blank pressing insert to fasten the blank pressing insert to the groove bottom wall of the insert mounting groove.
2. The split upper body B-pillar drawing die of claim 1, wherein a first positioning insert groove and a second positioning insert groove are respectively formed in the bottom wall of the core insert groove, the first positioning insert groove and the second positioning insert groove run perpendicular to each other, a third positioning insert groove is formed in the top surface of the core corresponding to the first positioning insert groove, a fourth positioning insert groove is formed in the top surface of the core corresponding to the second positioning insert groove, positioning inserts are respectively fastened to the first positioning insert groove and the second positioning insert groove, and the positioning inserts are respectively positioned and matched with the third positioning insert groove and the fourth positioning insert groove.
3. The split type upper drawing die for the B-pillar of the vehicle body of claim 1, wherein the blank holder insert is formed by sequentially assembling a plurality of insert blocks, an inner ring of the blank holder insert forms a die core insert opening matched with the outer peripheral wall of the die core, and a blank holder forming surface is arranged on the periphery of the bottom end of the die core insert opening and corresponds to the bottom surface of the die core.
4. The split type vehicle body B-pillar drawing upper die of claim 3, wherein the insert blocks are respectively fastened on the bottom wall of the insert mounting groove, and the end part and two side parts of the edge pressing insert are locked and fixed on the die holder by locking positioning pieces.
5. The split type vehicle body B-pillar drawing upper die of claim 4, wherein the locking positioning member comprises a lower plug connector and an upper fastening member, the lower plug connector is tightly mounted on the upper fastening member, first insertion grooves are formed in the insert blocks at the end part and the two side parts of the edge pressing insert, a second insertion groove is formed in the groove bottom wall of the insert mounting groove corresponding to the first insertion groove, a fastener matching groove is formed in the periphery of the first insertion groove in the bottom surface of the insert block, the lower plug connector is inserted into the first insertion groove and the second insertion groove, and the upper fastening member is positioned and matched with the fastener matching groove and tightly mounted on the groove edge peripheral wall of the insert mounting groove.
6. The split body B-pillar upper draw die of any one of claims 1 to 5, wherein a cavity is formed in a top portion of the die holder facing away from the die core insert pocket and the insert mounting pocket, the grid rib wall is formed in the cavity and includes a main rib wall corresponding to an outer contour of the die core and an intermediate connecting rib wall for reinforcing the main rib wall to the die holder, the first die core fastening hole is formed in an inner circumference of the main rib wall, and the insert fastening hole is formed in an outer circumference of the main rib wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121216445.5U CN215746331U (en) | 2021-06-02 | 2021-06-02 | Split type automobile body B post draws mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121216445.5U CN215746331U (en) | 2021-06-02 | 2021-06-02 | Split type automobile body B post draws mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215746331U true CN215746331U (en) | 2022-02-08 |
Family
ID=80098969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121216445.5U Expired - Fee Related CN215746331U (en) | 2021-06-02 | 2021-06-02 | Split type automobile body B post draws mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215746331U (en) |
-
2021
- 2021-06-02 CN CN202121216445.5U patent/CN215746331U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220208 |