CN220547535U - A mould for two oblique angle crimp panel beating parts that close - Google Patents
A mould for two oblique angle crimp panel beating parts that close Download PDFInfo
- Publication number
- CN220547535U CN220547535U CN202321474608.9U CN202321474608U CN220547535U CN 220547535 U CN220547535 U CN 220547535U CN 202321474608 U CN202321474608 U CN 202321474608U CN 220547535 U CN220547535 U CN 220547535U
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- die
- sheet metal
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- metal part
- die body
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- 238000010009 beating Methods 0.000 title description 2
- 239000000463 material Substances 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 34
- 238000002788 crimping Methods 0.000 claims 6
- 238000012797 qualification Methods 0.000 abstract description 2
- 238000003892 spreading Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model discloses a die for a double-closed-bevel-angle flanging sheet metal part, which comprises an upward-opening die body, wherein a boss is arranged in the center of the die body, the boss extends along the width direction of the die body, two sides of the boss are provided with first arc-shaped surfaces matched with a spreading material, and a cover plate is lapped at the upper end of the boss; the utility model can effectively solve the problem of difficult demoulding after the double-closed-bevel-angle flanging sheet metal part is formed, improve the die attachment degree of the part, solve the damage degree of the surface of the closed-bevel-angle sheet metal part after demoulding and the demoulding difficulty, and greatly improve the qualification rate of the part.
Description
Technical Field
The utility model belongs to the technical field of sheet metal machining, and particularly relates to a die for a double-closed-bevel-angle flanging sheet metal part.
Background
The double-closed-angle sheet metal part is formed by bending opposite side edges of a plate-shaped material in opposite directions by a certain angle, the distance between two side bending edges is smaller than the width of the top, and the bending angles of the two side bending edges are called closed angles.
The double-closed-angle sheet metal part is difficult to lift due to the fact that bending edges at two sides are inwards, one side bending edge is machined by one die, and then the other side bending edge is machined by the other die. The manufacturing cycle of the double-closed-angle sheet metal part is long, two sets of dies are needed, and the defects of reverse assembly, inaccurate positioning, low manufacturing precision and the like of the part are easily caused by using the two sets of dies.
The Chinese patent with the application number of CN201510023878.1 discloses a double-closed-angle sheet metal part forming method, which comprises the following steps: processing a bottom plate; processing a left module, a middle module and a right module; a left module, a middle module and a right module are arranged on the bottom plate; machining the molded surface of the mold; forming a double-closed-angle sheet metal part; decomposing a left module, a middle module and a right module; and (5) extracting the middle module and taking down the double-closed-angle sheet metal part.
With the further research of the applicant, the technical scheme is found that the adverse effect brought by the two sets of dies is solved although the one set of dies is adopted for forming, and the formed part is difficult to demould due to the existence of multi-closed-angle flanging after the part is formed by the one set of dies, so that the part forming precision is low, the die attaching is difficult, and the use technical requirement of an assembly site is difficult to be met.
Disclosure of Invention
In order to solve the technical problems, the utility model adopts the following technical scheme:
the die for the double-closed-bevel-angle flanging sheet metal part comprises an upward-opening die body, wherein a boss is arranged in the center of the die body, the boss extends along the width direction of the die body, first arc-shaped surfaces matched with an unfolding material are arranged on two sides of the boss, and a cover plate is lapped at the upper end of the boss;
and a fastener for fixing the cover plate and the unfolding material on the boss.
Further, the two sides of the cover plate are provided with second arc-shaped surfaces, and the radian of the second arc-shaped surfaces is consistent with that of the first arc-shaped surfaces.
Further, the upper end face of the boss is lower than the top face of the die body.
Further, two groups of through holes matched with the fasteners are formed in the cover plate.
Further, two groups of threaded holes matched with the fasteners are formed in the upper ends of the bosses.
Further, the fastener includes a pin.
Further, a groove for the transverse movement of the unfolding material is formed between the outer side of the boss and the inner wall of the die body.
Further, the maximum distance between the boss edge and the inner wall of the die body is smaller than the length of the cover plate.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model can effectively solve the problem of difficult demoulding after the double-closed-bevel-angle flanging sheet metal part is formed, improves the die attaching degree of the part, solves the damage degree of the surface of the double-closed-bevel-angle sheet metal part after demoulding and the demoulding difficulty, greatly improves the part qualification rate, saves the production cost, and is suitable for manufacturing multi-model multi-closed-bevel-angle sheet metal parts.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an exploded structure of an embodiment of the present utility model;
FIG. 3 is a schematic perspective view of a mold in an embodiment of the present utility model;
FIG. 4 is a schematic perspective view of an unfolding material according to an embodiment of the utility model (state one);
FIG. 5 is a schematic perspective view of an unfolding material according to an embodiment of the utility model (state two);
FIG. 6 is a schematic view of the structure of the developing material during the forming process (state one) according to the embodiment of the utility model;
FIG. 7 is a schematic view of the structure of the developing material during the forming process (state two) according to the embodiment of the utility model;
FIG. 8 is a schematic diagram of a structure of an expanded material formed and demolded in an embodiment of the present utility model;
reference numerals in the drawings of the specification include:
the die body 1, the groove 10, the boss 2, the first arc-shaped surface 20, the threaded hole 21, the cover plate 3, the second arc-shaped surface 30, the through hole 31, the fastener 4, the unfolding material 5 and the side ear hole 50.
Detailed Description
In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted, and that like or similar reference numerals in the drawings correspond to like or similar components in the embodiments of the present utility model; in the description of the present utility model, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. refer to the orientation or the positional relationship based on the orientation or the positional relationship shown in the drawings, this is merely for convenience of description and simplification of the description, rather than to indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus the terms describing the positional relationship in the drawings are merely used for illustration and are not to be construed as limitations of the present patent, and it is possible for those of ordinary skill in the art to understand the specific meaning of the terms described above according to the specific circumstances.
Examples:
as shown in fig. 1-8, the die for the double-closed-bevel-angle flanging sheet metal part comprises a die body 1 which is opened upwards, a boss 2 is arranged in the center of the die body 1, the boss 2 extends along the width direction of the die body 1, first arc-shaped surfaces 20 matched with a unfolding material 5 are arranged on two sides of the boss 2, and a cover plate 3 is lapped at the upper end of the boss 2;
in addition, there is a fastener 4 for fixing the cover plate 3 and the unfolding material 5 on the boss 2, and the fastener 4 may be a pin.
Specifically, the two sides of the cover plate 3 are provided with the second arc-shaped surfaces 30, and the radian of the second arc-shaped surfaces 30 is consistent with that of the first arc-shaped surfaces 20, so that the problem of difficult demoulding of formed parts can be solved, the die attaching degree of sheet metal parts is improved, and the sheet metal parts after forming can be directly taken down from the die body 1 because the width of the sheet metal parts is larger than that of the die body 1, the damage degree of the surfaces of the sheet metal parts with closed bevel angles and the difficulty of demoulding are solved, and the sheet metal parts with closed bevel angles are suitable for sheet metal parts with various closed bevel angles.
According to the different thickness of the unfolding material 5, after the unfolding material 5 is placed at the upper end of the boss 2 and the cover plate 3 is pressed down, the cover plate 3 can be flush with the top surface of the die body 1, so that the upper end of the boss 2 should be lower than the top surface of the die body 1.
In addition, two groups of through holes 31 matched with the fastener 4 are formed in the cover plate 3, two groups of threaded holes 21 matched with the fastener 4 are formed in the upper end of the boss 2, and specifically, the two groups of through holes 31 and the threaded holes 21 are distributed in a two-to-two and two-to-two mode.
In addition, a groove 10 for the lateral movement of the unfolding material 5 is formed between the outer side of the boss 2 and the inner wall of the die body 1.
Considering that the side of the unfolding material 5 is bent twice, the unfolding material 5 can be moved, the maximum distance from the edge of the boss 2 to the inner wall of the die body 1 is smaller than the length of the cover plate 3, and by the arrangement, one side of the cover plate 3 can be aligned with the position of the unfolding material 5 to be bent, the side of the cover plate 3 is prevented from being suspended at the upper part of the groove 10, and thus the other side of the cover plate 3 can be lapped on the top surface of the die body 1, and a supporting effect is achieved.
The utility model also discloses a forming method of the double-closed bevel flanging sheet metal part by using the die, which comprises the following steps of:
(1) And (3) blanking: the unfolding material 5 of the part is manufactured according to the size of the required material by using a numerical control machine tool.
(2) Deoiling: removing oil stains on the surface of the part spreading material 5;
(3) And (3) deburring: removing redundant burrs around the expanding material 5;
(4) Hydroforming: firstly, placing the unfolding material 5 on a boss 2 of a die body 1, and then, matching a cover plate 3 with the die body 1 in a coordinated manner to clamp the unfolding material 5;
the unfolding material 5 is provided with two groups of side ear holes 50, then pins are inserted into the through holes 31, the side ear holes 50 and the threaded holes 21 on the common side of the cover plate 3, the unfolding material 5 and the die body 1 for fixing, and the other side of the unfolding material 5 is also covered by the cover plate 3 to prevent deformation;
then, a rubber bag is used to apply pressure to the fixed side and deform, as shown in fig. 6, after the side flanging is formed, the pin is taken out from the group of through holes 31 and the threaded holes 21 on the side, then the unfolding material 5 is moved towards the deformed direction to align the threaded holes 21 and 31 on the other group, in the same way, pins are inserted into the group of through holes 31, the threaded holes 21 and the side lug holes 50 to fix, in order to prevent the deformation caused by the pressing of the other side, the formed flanging is covered by the cover plate 3, and finally the rubber bag is used to apply pressure to the fixed other side and form, as shown in fig. 7.
(5) Demolding: when the pins and the cover plate 3 are taken down after the flanging on the two sides is formed, the unfolding material 5 moves towards the middle part of the boss 2, and the bevel-closing flanging of the unfolding material 5 and the two sides of the groove 10 of the die body 1 are in a non-contact state, so that the die can be demolded, as shown in fig. 8.
(6) Quenching: the sheet metal part is subjected to heat treatment quenching according to the material type and specification, so that the strength and rigidity of the sheet metal part are increased.
(7) And (3) correcting: the same side of the formed part is fixed on the die body 1 by a through hole 31 and a pin, and then the formed part is placed on a rubber bag hydraulic press for hydraulic forming.
(8) And (3) checking: and finally submitting the sheet metal part for inspection.
The foregoing is merely exemplary of the present utility model, and the specific structures and features well known in the art are not described in any way herein, so that those skilled in the art will be able to ascertain all prior art in the field, and will not be able to ascertain any prior art to which this utility model pertains, without the general knowledge of the skilled person in the field, before the application date or the priority date, to practice the present utility model, with the ability of these skilled persons to perfect and practice this utility model, with the help of the teachings of this application, with some typical known structures or methods not being the obstacle to the practice of this application by those skilled in the art. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.
Claims (8)
1. A die for a double closed bevel crimping sheet metal part, comprising:
a die body opened upward;
the boss is arranged at the center of the die body and extends along the width direction of the die body, and the two sides of the boss are provided with first arc surfaces matched with the unfolding material;
the cover plate is lapped at the upper end of the boss;
and a fastener for fixing the cover plate and the unfolding material on the boss.
2. A die for a double closed bevel crimping sheet metal part as defined in claim 1 wherein: the cover plate both sides have the second arcwall face, the radian of second arcwall face and first arcwall face is unanimous.
3. A die for a double closed bevel crimping sheet metal part as defined in claim 1 wherein: the upper end face of the boss is lower than the top face of the die body.
4. A die for a double closed bevel crimping sheet metal part as defined in claim 1 wherein: two groups of through holes matched with the fasteners are formed in the cover plate.
5. A die for a double closed angle hemmed sheet metal part of claim 1 or 4 wherein: two groups of threaded holes matched with the fasteners are formed in the upper ends of the bosses.
6. A die for a double closed bevel crimping sheet metal part as defined in claim 5 wherein: the fastener includes a pin.
7. A die for a double closed bevel crimping sheet metal part as defined in claim 1 wherein: and a groove for the transverse movement of the unfolding material is formed between the outer side of the boss and the inner wall of the die body.
8. A die for a double closed angle hemmed sheet metal part of claim 1 or claim 7 wherein: the maximum distance between the boss edge and the inner wall of the die body is smaller than the length of the cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321474608.9U CN220547535U (en) | 2023-06-09 | 2023-06-09 | A mould for two oblique angle crimp panel beating parts that close |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321474608.9U CN220547535U (en) | 2023-06-09 | 2023-06-09 | A mould for two oblique angle crimp panel beating parts that close |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220547535U true CN220547535U (en) | 2024-03-01 |
Family
ID=90005691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321474608.9U Active CN220547535U (en) | 2023-06-09 | 2023-06-09 | A mould for two oblique angle crimp panel beating parts that close |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220547535U (en) |
-
2023
- 2023-06-09 CN CN202321474608.9U patent/CN220547535U/en active Active
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