CN217252195U - Hot stamping forming die for connecting angle iron - Google Patents
Hot stamping forming die for connecting angle iron Download PDFInfo
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- CN217252195U CN217252195U CN202220344132.6U CN202220344132U CN217252195U CN 217252195 U CN217252195 U CN 217252195U CN 202220344132 U CN202220344132 U CN 202220344132U CN 217252195 U CN217252195 U CN 217252195U
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- angle iron
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- positioning block
- edge positioning
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- 229910000746 Structural steel Inorganic materials 0.000 title claims abstract description 63
- 239000000463 material Substances 0.000 claims description 24
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000003068 static effect Effects 0.000 description 8
- 238000000465 moulding Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
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Abstract
The utility model discloses a hot stamping forming die for connecting angle iron, which provides the following technical scheme aiming at the problem of low forming precision, and comprises a movable die, wherein the movable die is fixedly provided with a first mold insert, a second mold insert, a third mold insert and a fourth mold insert which are arranged along the length direction of the angle iron in sequence and are in minimal clearance fit with each other; the movable die is fixedly provided with two first wide edge positioning blocks, and the side surfaces of the first insert and the fourth insert in the width direction of the angle iron are respectively abutted against the two first wide edge positioning blocks; the movable mould is fixedly provided with two first long-edge positioning blocks, and the side faces of the two first long-edge positioning blocks in the direction of the length of the angle iron are in interference fit with the first insert and the fourth insert respectively. The first wide-edge positioning block and the first long-edge positioning block are used for limiting the degree of freedom of the first insert and the fourth insert along the parting surface direction, and the interference fit and the minimum clearance fit enable the positioning accuracy of the first insert, the second insert, the third insert and the fourth insert to be higher, so that the forming accuracy is improved.
Description
Technical Field
The utility model relates to a hot stamping technical field, more specifically say, it relates to a hot stamping forming mould of connecting angle bar.
Background
The connecting angle iron of the automobile is a part for connecting two parts, and the hot stamping forming technology is a new process for forming the part on a hot stamping die by utilizing the characteristics that the plasticity and the ductility of metal are rapidly increased and the yield strength is rapidly reduced in a high-temperature state and simultaneously utilizing the cooling quenching of the die to achieve ultrahigh strength. By adopting the hot stamping technology, the defects of difficult forming and low part size precision of the traditional high-strength steel plate can be overcome, the safety and the comfort of the automobile can be obviously improved, the automobile weight is reduced, and the gas emission is reduced. Due to these advantages, the hot stamping process is a research hotspot in the fields of automobiles, steel and related fields at present.
Automotive vehicles have a high-precision elongated connecting angle that is typically manufactured using a hot stamping process. The hot stamping forming equipment on the market at present comprises a movable die and a static die, and the forming precision of the equipment does not meet the precision requirement for manufacturing the connecting angle iron, so that the equipment has room for improvement.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a connect hot stamping forming die of angle bar has the advantage that the shaping precision is high.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a hot stamping forming die for connecting angle iron comprises a movable die, wherein the movable die is fixedly provided with a first insert, a second insert, a third insert and a fourth insert which are sequentially arranged along the length direction of the angle iron and are in minimal clearance fit with each other, and the first insert, the second insert, the third insert and the fourth insert jointly form a forming surface on one side of the angle iron;
the movable die is fixedly provided with two first wide edge positioning blocks, and the side surfaces of the first insert and the fourth insert in the width direction of the angle iron are respectively abutted against the two first wide edge positioning blocks;
the movable die is fixedly provided with two first long-edge positioning blocks, and the side faces of the two first long-edge positioning blocks in the length direction of the angle iron are in interference fit with the first insert and the fourth insert respectively.
By adopting the technical scheme, the first insert, the second insert, the third insert and the fourth insert are clamped by the two first broadside positioning blocks, so that the limitation of the whole four inserts on the movable die along the freedom degree of the angle iron in the length direction is realized. The two first long-edge positioning blocks limit the degree of freedom of the first insert and the fourth insert in the width direction of the angle iron respectively. The limitation of the degree of freedom of the first insert and the fourth insert in the parting surface direction is realized, and the inserts are positioned on the movable mold. Two first long limit locating pieces respectively with first mold insert and fourth mold insert interference fit, make first mold insert and the accurate location of fourth mold insert on the movable mould, improve the shaping precision. The first insert, the second insert, the third insert and the fourth insert are in minimum clearance fit with each other, so that the second insert and the third insert are limited along the degree of freedom of the angle iron in the length direction, and the forming precision is improved.
Further, a second wide edge positioning block and a second long edge positioning block are fixedly arranged on the movable die, the side face of the second wide edge positioning block in the width direction of the angle iron is in interference fit with the second insert, and the side face of the second long edge positioning block in the length direction of the angle iron is in interference fit with the second insert.
By adopting the technical scheme, the second wide edge positioning block limits the degree of freedom of the second insert along the length direction of the angle iron, and the second long edge positioning block limits the degree of freedom of the second insert along the width direction of the angle iron, so that the degree of freedom of the second insert on the parting surface is completely limited, and the positioning of the second insert is realized. And the second wide-edge positioning block and the second long-edge positioning block are in interference fit with the second insert, so that the second insert is accurately positioned on the movable die.
Furthermore, first mold insert is equipped with the square hole that supplies first long limit locating piece to insert, interference fit between the square hole of the side of the length direction along the angle bar of first long limit locating piece and first mold insert.
By adopting the technical scheme, the first long-edge positioning block is positioned in the square hole of the first insert, so that the rotational freedom degree of the first long-edge positioning block in the parting surface direction is limited, the side edge of the first long-edge positioning block in the length direction of the angle iron is in interference fit with the square hole of the first insert, the freedom degree of the first long-edge positioning block in the width direction of the angle iron is limited, the positioning accuracy of the first long-edge positioning block on the first insert is improved, and the positioning accuracy of the first insert on the movable mold is improved.
Further, mounting grooves for mounting and dismounting the first long edge positioning block are respectively formed in two sides of the square hole of the first insert along the length direction of the angle iron.
By adopting the technical scheme, the installation groove is convenient for the assembly and disassembly of the first long-edge positioning block in interference fit with the first mold insert, and the practicability of the device is improved.
Further, the third insert is also in interference fit with a first long-edge positioning block, and the side face of the third insert in the width direction of the angle iron abuts against the second insert.
By adopting the technical scheme, the first long-edge positioning block in interference fit with the third insert limits the degree of freedom of the first long-edge positioning block along the width direction of the angle iron, and the second insert limits the degree of freedom of the first long-edge positioning block along the length direction of the angle iron.
Furthermore, the side of the third insert along the width direction of the angle iron is provided with a material bearing assembly for supporting the plate.
By adopting the technical scheme, the material bearing assembly supports the plate between the movable die and the static die before hot stamping, so that the heated plate is prevented from contacting with the surface of a cooler die too early, the local temperature is prevented from dropping, the tension fracture is prevented, and a hot stamping forming piece with uniform tissue and good performance is obtained.
Further, hold the material subassembly including fixed setting in the branch of quiet template, rotate and connect in the material pole and the spring that hold of branch, the one end of spring and the one end fixed connection who keeps away from the molding cavity who holds the material pole, the other end and the quiet template fixed connection of spring, the one end and the sheet material contact of keeping away from the spring that hold the material pole.
By adopting the technical scheme, the plate is pressed at one end of the material bearing rod, which is far away from the spring, one end of the material bearing rod is pressed towards the direction of the die due to the self gravity of the plate, the spring pulls the other end of the material bearing rod, the plate is prevented from contacting with the die, the plate is suspended between the movable die and the static die, the plate moves towards the static die during hot stamping, the spring elastically deforms, the plate and the plate move towards the static die, and the hot stamping forming is facilitated.
Furthermore, a plurality of gaskets are inserted between the first broadside positioning block and the first insert.
By adopting the technical scheme, the relative position between the first broadside positioning block and the first insert is adjusted by the plurality of gaskets, so that the position can be conveniently adjusted, and the positioning precision of the first broadside positioning block is improved.
To sum up, the utility model discloses following beneficial effect has:
1. the first insert, the second insert, the third insert and the fourth insert form a molding surface on one side of the angle iron together, and compared with an integral insert, the manufacturing difficulty is reduced;
2. the first insert, the second insert, the third insert and the fourth insert are sequentially arranged along the length direction of the angle iron, so that the integral forming of the angle iron is realized, the first insert, the second insert, the third insert and the fourth insert are respectively processed, the integral forming surface of the angle iron can be manufactured, the processing error is reduced, and the forming precision is improved.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
fig. 2 is a schematic structural view of the first insert of the present embodiment;
fig. 3 is a schematic structural view of a portion a in fig. 2.
In the figure: 1. moving the mold; 2. static molding; 31. a first insert; 32. a second insert; 33. a third insert; 34. a fourth insert; 41. a first broadside locating block; 42. a second broadside locating block; 51. a first long edge positioning block; 52. a second long edge positioning block; 7. a square hole; 8. mounting grooves; 9. a material bearing component; 91. a strut; 92. a material bearing rod; 93. a spring.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and embodiments.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
A hot stamping forming die for connecting angle iron is shown in figure 1 and comprises a movable die 1 and a fixed die 2.
Referring to fig. 1 and 2, the moving die 1 is fixedly provided with a first insert 31, a second insert 32, a third insert 33 and a fourth insert 34 which are rectangular parallelepiped and sequentially arranged along the length direction of the angle iron, the first insert 31, the second insert 32, the third insert 33 and the fourth insert 34 are in minimal clearance fit with each other, and the sides of the first insert 31, the second insert 32, the third insert 33 and the fourth insert 34 close to the stationary die 2 jointly form a molding surface on one side of the angle iron.
Referring to fig. 1 and 2, two first broadside positioning blocks 41 are fixedly arranged on one side of the movable mold 1 close to the stationary mold 2, and the sides of the two first broadside positioning blocks 41 close to each other are respectively abutted against the side surfaces of the first insert 31 and the fourth insert 34 in the width direction of the angle iron.
Referring to fig. 1 and 2, the movable mold 1 is fixedly provided with three first long-side positioning blocks 51 in a rectangular parallelepiped shape, the first insert 31, the third insert 33, and the fourth insert 34 are respectively provided with square holes 7 into which the three first long-side positioning blocks 51 are inserted, and side surfaces of the three first long-side positioning blocks 51 in the length direction of the angle iron are respectively in interference fit with the square holes 7 of the first insert 31, the third insert 33, and the fourth insert 34.
Referring to fig. 1 and 2, the moving die 1 is fixedly provided with a second long-side positioning block 52 in a rectangular parallelepiped shape and two second wide-side positioning blocks 42, the second insert 32 is also provided with square holes into which the second long-side positioning block 52 and the two second wide-side positioning blocks 42 are inserted, the side surfaces of the two second wide-side positioning blocks 42 in the width direction of the angle iron are in interference fit with the square hole of the second insert 32, and the side surfaces of the second long-side positioning block 52 in the length direction of the angle iron are in interference fit with the square hole of the second insert 32.
Referring to fig. 1 and 2, mounting grooves 8 are respectively formed on two sides of the square hole 7 in the length direction of the angle iron, and the square hole is in interference fit with the first long-edge positioning block 51 and the second long-edge positioning block 52. The two sides of the square hole 7 in the width direction of the angle iron, which are in interference fit with the second wide-edge positioning block 42, are also provided with mounting grooves 8. The mounting grooves 8 facilitate the mounting and dismounting of the first long-side positioning block 51, the second long-side positioning block 52 and the second wide-side positioning block 42 on the first insert 31, the third insert 33 and the fourth insert 34.
Referring to fig. 2, a plurality of gaskets are interposed between the first broadside positioning block 41 and the first insert 31, and a plurality of gaskets are also interposed between the first broadside positioning block 41 and the fourth insert 34.
Referring to fig. 2, the side of the third insert 33 in the width direction of the angle iron abuts against the second insert 32.
Referring to fig. 1 and 2, four sets of first, second, third and fourth inserts 31, 32, 33 and 34 are arranged on the same moving die 1 in parallel along the width direction of the angle iron, so that four angle irons can be molded simultaneously through one-time hot pressing, and the working efficiency is improved.
Referring to fig. 1 and 2, with a parting surface as a mirror image center plane, the first insert 31, the second insert 32, the third insert 33, the fourth insert 34, the first broadside positioning block 41, the first long-side positioning block 51, the second broadside positioning block 5242, and the second broadside positioning block 5242 are all mirror images on the stationary mold 2, and the first insert 31, the second insert 32, the third insert 33, and one side of the fourth insert 34 on the stationary mold 2 close to the movable mold 1 jointly form a molding surface on the other side of the angle iron.
Referring to fig. 2 and 3, the third insert 33 is provided with a receiving assembly 9 for supporting the slab on a side surface in the width direction of the angle iron. The material bearing assembly 9 comprises a supporting rod 91 fixedly arranged on the static die 2, a material bearing rod 92 and a spring 93 which are rotatably connected to the supporting rod 91, one end of the spring 93 is fixedly connected with one end, far away from the forming cavity, of the material bearing rod 92, the other end of the spring 93 is fixedly connected with the static die 2 plate, and one end, far away from the spring 93, of the material bearing rod 92 is in contact with the plate material. The second insert 32 is also provided with the support members 9, and four support members 9 are provided on the molding surface of one angle iron to stably support the flitch.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a connect hot stamping forming mould of angle bar which characterized in that: the angle iron forming die comprises a moving die (1), wherein a first insert (31), a second insert (32), a third insert (33) and a fourth insert (34) which are arranged along the length direction of the angle iron in sequence and are in minimal clearance fit with each other are fixedly arranged on the moving die (1), and the first insert (31), the second insert (32), the third insert (33) and the fourth insert (34) jointly form a forming surface on one side of the angle iron;
two first broadside positioning blocks (41) are fixedly arranged on the moving die (1), and the side surfaces of the first insert (31) and the fourth insert (34) along the width direction of the angle iron are respectively abutted against the two first broadside positioning blocks (41);
the movable die (1) is fixedly provided with two first long-edge positioning blocks (51), and the side faces of the two first long-edge positioning blocks (51) in the length direction of the angle iron are in interference fit with the first insert (31) and the fourth insert (34) respectively.
2. The hot stamping forming die for connecting angle iron of claim 1, wherein: the movable die (1) is fixedly provided with a second wide edge positioning block (42) and a second long edge positioning block (52), the side face of the second wide edge positioning block (42) along the width direction of the angle iron is in interference fit with the second insert (32), and the side face of the second long edge positioning block (52) along the length direction of the angle iron is in interference fit with the second insert (32).
3. The hot stamping forming die for connecting angle iron of claim 1, wherein: the first insert (31) is provided with a square hole (7) for inserting a first long-edge positioning block (51), and the side edge of the first long-edge positioning block (51) along the length direction of the angle iron is in interference fit with the square hole (7) of the first insert (31).
4. The hot stamping forming die for connecting angle iron of claim 3, wherein: and mounting grooves (8) for mounting and dismounting the first long-edge positioning block (51) are respectively formed in two sides of the square hole (7) of the first insert (31) along the length direction of the angle iron.
5. The hot stamping forming die for connecting angle iron of claim 1, wherein: the third insert (33) is also in interference fit with a first long-edge positioning block (51), and the side surface of the third insert (33) in the width direction of the angle iron abuts against the second insert (32).
6. The hot stamping forming die for connecting angle iron of claim 5, wherein: and a material bearing assembly (9) for supporting the plate material is arranged on the side surface of the third insert (33) along the width direction of the angle iron.
7. The hot stamping forming die for connecting angle iron of claim 6, wherein: hold material subassembly (9) including fixed set up in branch (91), the rotation of quiet mould (2) board connect in holding material pole (92) and spring (93) of branch (91), the one end of spring (93) and the one end fixed connection who keeps away from the shaping cavity of holding material pole (92), the other end and the quiet mould (2) board fixed connection of spring (93), hold the one end and the sheet material contact of keeping away from spring (93) of material pole (92).
8. The hot stamping forming die for connecting angle iron of claim 1, wherein: a plurality of gaskets (6) are inserted between the first broadside positioning block (41) and the first insert (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220344132.6U CN217252195U (en) | 2022-02-21 | 2022-02-21 | Hot stamping forming die for connecting angle iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220344132.6U CN217252195U (en) | 2022-02-21 | 2022-02-21 | Hot stamping forming die for connecting angle iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217252195U true CN217252195U (en) | 2022-08-23 |
Family
ID=82856840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220344132.6U Active CN217252195U (en) | 2022-02-21 | 2022-02-21 | Hot stamping forming die for connecting angle iron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217252195U (en) |
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2022
- 2022-02-21 CN CN202220344132.6U patent/CN217252195U/en active Active
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