CN218692799U - Stamping and bending die - Google Patents
Stamping and bending die Download PDFInfo
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- CN218692799U CN218692799U CN202223092441.8U CN202223092441U CN218692799U CN 218692799 U CN218692799 U CN 218692799U CN 202223092441 U CN202223092441 U CN 202223092441U CN 218692799 U CN218692799 U CN 218692799U
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Abstract
A stamping and bending die comprises an upper die and a lower die, wherein the upper die comprises an upper base plate, two male dies and rotary stripping pieces, the male dies are fixedly connected to the bottom of the upper base plate, the two rotary stripping pieces are rotatably connected to two sides of the male dies, and a first position avoiding part is arranged at a position, close to the upper base plate, of one side, far away from the male dies, of each rotary stripping piece; the lower die comprises a lower clamping plate, a female die and a lower supporting plate, the female die is fixedly connected to the lower clamping plate, the lower clamping plate is arranged below the lower supporting plate, an elastic resetting piece is arranged between the lower clamping plate and the lower supporting plate, one end of the elastic resetting piece is connected with the lower clamping plate, and the other end of the elastic resetting piece is connected with the lower supporting plate. Compared with the prior art, the utility model discloses a punching press mould of bending takes off material spare through setting up the rotation, and the in-process of rebound after the stamping of upper die is accomplished, the rotation takes off the material spare and rotates the shrink to take off the finished product from the rotation and take off material spare both sides lift off, this has avoided the rotation to take off material spare and hem to take place to interfere.
Description
Technical Field
The utility model belongs to the technical field of the stamping process, concretely relates to punching press mould of bending.
Background
At present, current sheet metal component has the mode of adopting the punching press to bend, take a square box of shaping as an example (a set of relative side perpendicular to bottom surface of square box, another relative side of group also perpendicular and bottom surface and its tip of keeping away from the bottom surface are equipped with the hem), during the shaping, bend the hem earlier and do not set up the side of hem, stroke semi-manufactured goods, put semi-manufactured goods on stamping die afterwards, thereby the side that will be equipped with the hem is bent in the female mould of going into the lower mould with semi-manufactured goods punching press to the public mould of last mould, finally form square box. However, because a set of opposite sides is equipped with the hem, after the side that is equipped with the hem is bent, the hem can block and establish on the public mould of last mould, if directly take out square box from the public mould downwards, this shape and the size precision that can influence the hem, if transversely take out along the direction of hem, easily cause the interference.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the prior art, provide a punching press hem mould of material is taken off to product convenient to have the hem.
In order to achieve the above object, the technical solution of the present invention is as follows.
A stamping and bending die comprises an upper die and a lower die, wherein the upper die comprises an upper base plate, two male dies and two rotary stripping pieces, the male dies are fixedly connected to the bottom of the upper base plate, the two rotary stripping pieces are rotatably connected to two sides of the male dies, and a first avoiding part is arranged at a position, which is far away from one side of the male dies and is close to the upper base plate, of each rotary stripping piece;
the lower die comprises a lower clamping plate, a female die and a lower supporting plate, the female die is fixedly connected to the lower clamping plate, the lower clamping plate is arranged below the lower supporting plate, an elastic resetting piece is arranged between the lower clamping plate and the lower supporting plate, one end of the elastic resetting piece is connected with the lower clamping plate, and the other end of the elastic resetting piece is connected with the lower supporting plate.
Furthermore, a second avoiding part is arranged at the position, far away from the upper base plate, of one side of the rotary stripping piece, far away from the male die.
Further, the second avoiding portion is arc-shaped.
Furthermore, be equipped with the first positive piece of leading that passes the bottom plate on the lower plate, first leading positive piece has a plurality ofly, and is a plurality of first leading positive piece sets up along perpendicular to two the both sides of the line direction of rotatory stripping.
Furthermore, a first guide surface is arranged on the top of the first guide part and on one side close to the rotary stripping part.
When the rotary stripping piece rotates and expands, a first distance for limiting is arranged between the side surface of the rotary stripping piece, which is far away from the male die, and the inner side wall of the female die in the overlooking projection direction.
And a reinforcing layer is arranged at the bottom of the upper backing plate and at the position which is rotationally connected with the male die relative to the rotary stripping piece.
The elastic reset piece is a pressure spring.
Compared with the prior art, the beneficial effects of the utility model are that: through setting up the rotatory material piece that takes off, the in-process that upwards removes after the stamping of upper die was accomplished, the rotatory material piece that takes off rotates the shrink to take off the finished product from the rotation and take off material both sides and lift off, this has avoided the rotation to take off the material piece and take place to interfere with the hem, in addition, adopts the rotation to take off the material piece and takes off the material and also improved and take off material efficiency, has also guaranteed the shape and the size precision of hem. In addition, because the punching press reaction force that the rotatory material piece that takes off received of punching press hem in-process is great, compare in two rotatory material pieces that take off rotate to be connected in same position (if the one end of a rotatory material piece that takes off is articulated with the tip of another rotatory material piece that takes off), two rotatory material pieces that take off are connected in the both sides of public mould, this deformation, the damage of the hookup location that has avoided the punching press reaction force that two rotatory material pieces that take off received to concentrate and cause has also avoided the structure (like the upper padding plate of this case) of connecting rotatory material piece that takes off to burst. In addition, compare in direct bottom at the upper padding plate set up two mutual articulated rotatory stripper, will rotate stripper and set up in public mould both sides, this can reduce the rotatory space that stripper rotates the in-process and needs on vertical direction, rotatory stripper is when rotating the shrink promptly, goes up the mould and need not move up to a higher height and provides a rotation space for rotatory stripper, this makes whole mould compact, reduces the drive arrangement's that the mould removed energy consumption on the drive simultaneously, plays energy-conserving effect.
Drawings
Fig. 1 is a perspective view of the stamping and bending die of the present invention;
FIG. 2 is a front sectional view of a stamping and bending die;
FIG. 3 is a perspective view of the lower die;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a perspective view of the male mold and the rotating stripper member;
an upper die 1; an upper pad 11; a male die 12; an avoidance groove 121; rotating the stripping part 13; a first avoiding portion 131; the second avoiding portion 132; an upper lock plate 14; an upper cushion block 15; an upper die holder 16;
a lower die 2; a lower clamp plate 21; a master mold 22; a lower blade 23; an elastic return member 24; a first pilot 25; the first guide surface 251; a lower lock plate 26; a lower cushion block 27; a lower die bed 28.
Detailed Description
In the description of the present invention, it is to be understood that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
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 include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The technical solution of the present invention will be further explained with reference to fig. 1-5.
A stamping and bending die is shown in figures 1-5 and comprises an upper die 1 and a lower die 2, wherein the upper die 1 comprises an upper base plate 11, a male die 12 and two rotary stripping pieces 13, the male die 12 is fixedly connected to the bottom of the upper base plate 11, the number of the rotary stripping pieces 13 is two, the two rotary stripping pieces 13 are rotatably connected to the left side and the right side of the male die 12, and a first avoiding portion 131 is arranged at a position, close to the upper base plate 11, of one side, away from the male die 12, of each rotary stripping piece 13. The lower die 2 comprises a lower clamp plate 21, a female die 22 and a lower supporting plate 23, the female die 22 is fixedly connected to the lower clamp plate 21, the lower clamp plate 21 is arranged below the lower supporting plate 23, an elastic resetting piece 24 is arranged between the lower clamp plate 21 and the lower supporting plate 23, one end of the elastic resetting piece 24 is connected with the lower clamp plate 21, and the other end of the elastic resetting piece 24 is connected with the lower supporting plate 23. When in use, the semi-finished product with one group of bent sides and hems is placed on the female die 22, at the moment, the rotary stripping piece 13 is horizontally unfolded, and the bottom surface of the rotary stripping piece 13 and the bottom surface of the male die 12 are positioned on the same horizontal plane; the upper mold 1 is then moved downwards until the semifinished product is completely pressed down into the female mold 22, in which process a group of sides of the semifinished product having the fold is bent under the effect of the inner side walls of the female mold 22 and the side of the rotary stripper 13 remote from the male mold, and during the bending process this side abuts against the inner side walls of the female mold 22, and in addition, during this process the elastic restoring element 24 is compressed. After the forming, go up mould 1 and move upward and take off the material, remove the in-process, rotatory material piece 13 that takes off rotates the shrink, and this has avoided rotatory material piece 13 that takes off to interfere with the hem, simultaneously, under the effect of elasticity piece 24 that resets, thereby lower supporting plate 23 is jacked up the finished product ejecting. Above punching press mould of bending is through setting up rotatory material 13 that takes off, and the in-process that upwards removes after the punching press of last mould 1 was accomplished, rotatory material 13 that takes off rotates the shrink to take off the finished product and lift off material 13 both sides from the rotation, this has avoided rotatory material 13 and the hem emergence of taking off to interfere, in addition, adopts the rotation to take off material 13 and has come to take off the material and also improved and take off material efficiency, has also guaranteed the shape and the size precision of hem. In addition, because the punching reaction force that rotatory stripper 13 received is great in the punching press hem process, compare in rotating two rotatory strippers 13 and connecting in same position (for example, the one end of a rotatory stripper 13 is articulated with the tip of another rotatory stripper 13), two rotatory strippers 13 are connected in the both sides of public mould 12, this deformation, the damage of the hookup location that has avoided the punching reaction force that two rotatory strippers 13 received to concentrate and cause has also avoided upper padding plate 11 to burst. In addition, by providing the first avoiding portion 131, when the rotary stripper 13 rotates and contracts, the first avoiding portion 131 can further prevent the rotary stripper 13 from interfering with the hem. In addition, compare in direct bottom at the upper padding plate set up two mutual articulated rotatory stripper, will rotate stripper and set up in public mould both sides, this can reduce the rotatory space that stripper rotates the in-process and needs on vertical direction, rotatory stripper is when rotating the shrink promptly, goes up the mould and need not move up to a higher height and provides a rotation space for rotatory stripper, this makes whole mould compact, reduces the drive arrangement's that the mould removed energy consumption on the drive simultaneously, plays energy-conserving effect.
It should be noted that the power for rotating the rotary stripping element 13 may be derived from a motor, and the transmission structure between the motor and the rotary stripping element 13 may be gear transmission or other transmission structures, which may be set according to actual needs, and will not be described herein again. In addition, the above elastic restoring member 24 is a spring, and the specific type of the spring can be set according to actual needs. In addition, when the rotary stripping part 13 rotates and unfolds, a first distance for limiting is arranged between the side surface of the rotary stripping part 13 far away from the male die 12 and the inner side wall of the female die 22 in the overlooking projection direction, and the first distance can ensure that the side surface needing to be bent can smoothly enter the female die and the smooth stamping and bending can be ensured.
As a modification, referring to fig. 1 to 5, a second avoiding portion 132 is disposed at a position of the rotary stripping member 13 away from one side of the male mold 12 and away from the upper backing plate 11, that is, a connection portion between a side surface of the rotary stripping member 13 away from the male mold 12 and a bottom surface thereof. When the upper die 1 moves upwards and the rotary stripping part 13 rotates counterclockwise to contract, the second avoiding portion 132 can avoid the end of the rotary stripping part 13 close to the lower supporting plate 23 from interfering with the lower supporting plate 23 to damage the rotary stripping part 13 and the lower supporting plate 23. Preferably, the second avoiding portion 132 is arc-shaped, and the arc-shaped second avoiding portion 132 enables the rotating stripper 13 to smoothly slide relative to the lower support plate 23 even if the rotating stripper is in contact with the lower support plate, so as to avoid the influence of the contact on the transmission.
As a modification, referring to fig. 1 to 5, the lower clamping plate 21 is provided with a plurality of first guiding members 25 penetrating through the lower supporting plate 23, and the number of the first guiding members 25 is four in the present embodiment, and two are arranged in front of and behind the lower clamping plate. By arranging the first pilot piece 25, when the male die 12 of the upper die 1 is stamped in the female die 22 of the lower die 2, a space exists between the front side and the rear side of the male die 12 and the side of the first pilot piece 25, and the space can limit a set of formed sides (namely sides without hems), so that the influence on the shape and the size precision of the male die due to the stamping and bending process is avoided. If the shape of a set of formed side surfaces is deformed, the space can guide the set of side surfaces to play a role in guiding.
As a modification, referring to fig. 1 to 5, a first guide surface 251 is provided on the top of the first guide member 25 and on a side close to the rotary stripping member 13. By arranging the first guide surface 251, the formed side surface can be arranged in the female die 22 in the process of stamping and bending, and the smoothness of the stamping and bending process is ensured.
As a modification, referring to fig. 5, the bottom of the male mold 12 is provided with a space-avoiding groove 121, and by providing the space-avoiding groove 121, the space-avoiding groove 121 can prevent the side surface without the folded edge from interfering with the male mold 12 in the process that the upper mold 1 moves downward until the semi-finished product is completely pressed into the female mold 22.
As a modification, the bottom of the upper bolster 11 is provided with a reinforcing layer (not shown in the way) at the position where the rotary stripper 13 and the male die 12 are rotatably connected. The reinforcing layer can be obtained by carrying out process treatment on the upper backing plate, or a reinforcing metal plate is arranged on the bottom surface of the upper backing plate. Through setting up the enhancement layer, can avoid the upper padding plate to receive the roof pressure of rotatory stripping spare and the bursting that leads to.
In the above structure, the upper die 1 further includes an upper lock plate 14, an upper cushion block 15, and an upper die base 16, which are fixedly connected in sequence from top to bottom, and the upper cushion plate 11 is fixedly connected below the upper die base 16. The lower die 2 further comprises a lower locking plate 26, a lower cushion block 27 and a lower die base 28, and the lower clamping plate is fixedly connected to the lower die base. The above structure and the connection relationship thereof are prior art in the field and are not described herein.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. The utility model provides a punching press mould of bending which characterized in that: the die comprises an upper die and a lower die, wherein the upper die comprises an upper base plate, two male dies and rotary stripping pieces, the male dies are fixedly connected to the bottom of the upper base plate, the two rotary stripping pieces are rotatably connected to two sides of the male dies, and a first avoiding part is arranged at a position, which is far away from one side of the male dies and is close to the upper base plate, of each rotary stripping piece;
the lower die comprises a lower clamping plate, a female die and a lower supporting plate, the female die is fixedly connected to the lower clamping plate, the lower clamping plate is arranged below the lower supporting plate, an elastic resetting piece is arranged between the lower clamping plate and the lower supporting plate, one end of the elastic resetting piece is connected with the lower clamping plate, and the other end of the elastic resetting piece is connected with the lower supporting plate.
2. The press bending die of claim 1, wherein: and a second avoiding part is arranged at the position, far away from the male die, of the rotary stripping part and far away from the upper backing plate.
3. The press bending die of claim 2, wherein: the second avoiding part is arc-shaped.
4. The press bending die of claim 1, wherein: the lower splint is provided with a first guide piece penetrating through the lower splint, the first guide piece is provided with a plurality of first guide pieces, and the first guide pieces are arranged on two sides of the connecting line direction of the rotary stripping material in a direction perpendicular to the two sides.
5. The press bending die of claim 4, wherein: and a first guide surface is arranged at the top of the first guide piece and on one side close to the rotary stripping piece.
6. The press bending die according to any one of claims 1 to 5, wherein: when the rotary stripping part rotates and expands, a first distance for limiting is arranged between the side surface of the rotary stripping part far away from the male die and the inner side wall of the female die in the overlooking projection direction.
7. The press bending die according to any one of claims 1 to 5, wherein: and a reinforcing layer is arranged at the bottom of the upper backing plate and at the position which is rotationally connected with the male die relative to the rotary stripping piece.
8. The press bending die according to any one of claims 1 to 5, wherein: the elastic reset piece is a pressure spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223092441.8U CN218692799U (en) | 2022-11-21 | 2022-11-21 | Stamping and bending die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223092441.8U CN218692799U (en) | 2022-11-21 | 2022-11-21 | Stamping and bending die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218692799U true CN218692799U (en) | 2023-03-24 |
Family
ID=85623052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223092441.8U Active CN218692799U (en) | 2022-11-21 | 2022-11-21 | Stamping and bending die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218692799U (en) |
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2022
- 2022-11-21 CN CN202223092441.8U patent/CN218692799U/en active Active
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