CN220837462U - Stamping die - Google Patents
Stamping die Download PDFInfo
- Publication number
- CN220837462U CN220837462U CN202322521674.3U CN202322521674U CN220837462U CN 220837462 U CN220837462 U CN 220837462U CN 202322521674 U CN202322521674 U CN 202322521674U CN 220837462 U CN220837462 U CN 220837462U
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- China
- Prior art keywords
- blank holder
- holder
- stamping
- outer blank
- die
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- 239000011324 bead Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 2
- 238000005336 cracking Methods 0.000 abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model discloses a stamping die, which comprises a base body and a blank holder structure, wherein the base body comprises a lower die holder and an upper die holder which is arranged on the base body along the upper and lower directions, the blank holder structure is arranged on the base body and comprises an outer blank holder and an inner blank holder which is arranged in the outer blank holder, wherein the stamping strokes of the outer blank holder and the inner blank holder are different, so that when the upper die holder moves downwards, the outer blank holder or the inner blank holder firstly presses a stamping part, the outer blank holder is arranged so as to press the outer periphery of the stamping part, and the inner blank holder is arranged so as to press the middle part of the stamping part, and meanwhile, the strokes of the inner blank holder and the outer blank holder are different so as to enable the inner blank holder and the outer blank holder to sequentially press the stamping part, and the outer blank holder adopt different strokes so as to enable the strokes of the outer blank holder or the inner blank holder to change, so as to reduce the deep drawing degree of the stamping part, so as to avoid cracking of the stamping part when the stamping part is drawn.
Description
Technical Field
The utility model relates to the technical field of stamping, in particular to a stamping die.
Background
At present, the main flow of the press equipment of the automatic stamping line is a single-action mechanical press, if a stamping die has an inner and outer blank holder structure (such as a left side wall outer plate die and a right side wall outer plate die), the strokes of the inner and outer blank holders are consistent, but the strokes of the inner and outer blank holders are consistent, when the stamping die stretches a stamping part, the stamping part is easy to crack, and the development of a secondary stretching shaping die is needed.
Disclosure of utility model
The utility model mainly aims to provide a stamping die, and aims to solve the problem that stamping parts are easy to crack when the stamping die is deep-drawn.
In order to achieve the above object, the present utility model provides a stamping die, comprising:
The seat body comprises a lower die holder and an upper die holder arranged on the seat body along the up-down direction;
the blank pressing structure is arranged on the seat body and comprises an outer blank pressing ring and an inner blank pressing ring arranged in the outer blank pressing ring;
The outer blank holder and the inner blank holder have different stamping strokes, so that when the upper die holder moves towards the lower die holder, the outer blank holder or the inner blank holder firstly presses the stamping part.
Optionally, the outer blank holder and the inner blank holder are both movably installed on the lower die holder along the up-down direction.
Optionally, the stamping die further includes a first driving structure, the first driving structure including:
the first driving device is arranged below the lower die holder;
The ejector rod structure is arranged between the outer blank holder and the first driving device and comprises a plurality of ejector rods extending up and down.
Optionally, the lower die holder is provided with a plurality of through holes, and a plurality of through holes are respectively corresponding to a plurality of ejector rods.
Optionally, the outer blank holder includes outer blank holder body and locates a plurality of supporting legs of outer blank holder body lower extreme, a plurality of the supporting leg is located the ejector pin structure.
Optionally, the first driving device comprises a pneumatic pad or a hydraulic pad.
Optionally, the stamping die further comprises a second driving structure arranged on the lower die holder, and the second driving structure is in driving connection with the inner pressure edge ring.
Optionally, the lower die holder includes:
A base; and
The outer frame is detachably arranged at the upper end of the base, so that an installation groove for installing the outer blank holder is formed by surrounding the outer frame and the base.
Optionally, the base is provided with a chute extending in the front-rear direction;
the outer frame is fixed in the chute through a bolt connection structure.
Optionally, the interior limit circle sets up a plurality of, and a plurality of interior limit circle interval is located the die holder.
According to the technical scheme, the outer blank holder is arranged so as to tightly press the outer periphery of the stamping part, the inner blank holder is arranged so as to tightly press the middle part of the stamping part, and meanwhile, the strokes of the inner blank holder and the outer blank holder are different, so that the inner blank holder and the outer blank holder tightly press the stamping part successively, and therefore, the strokes of the outer blank holder and the inner blank holder are different, so that the strokes of the outer blank holder or the inner blank holder are changed, the deep drawing degree of the stamping part is reduced, the stamping part is prevented from cracking, and the problem that the stamping part is easy to crack when the stamping die is deep drawn is solved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an embodiment of a stamping die provided by the present utility model;
FIG. 2 is a schematic cross-sectional view of the stamping die of FIG. 1;
Fig. 3 is a schematic perspective view of the sliding portion in fig. 1;
Fig. 4 is a schematic perspective view of the lower die holder (concealing the outer binder and the punch) in fig. 1.
Reference numerals illustrate:
| Reference numerals | Name of the name | Reference numerals | Name of the name |
| 100 | Stamping die | 21 | Outer blank holder |
| 1 | Seat body | 211 | External edge pressing body |
| 11 | Upper die holder | 212 | Supporting leg |
| 12 | Lower die holder | 22 | Internal pressure edge ring |
| 121 | Base seat | 3 | First driving structure |
| 1211 | Sliding chute | 31 | Ejector rod structure |
| 122 | Outer frame | 4 | Second driving structure |
| 2 | Edge pressing structure |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the case where a directional instruction is involved in the embodiment of the present utility model, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
At present, the main flow of the press equipment of the automatic stamping line is a single-action mechanical press, if a stamping die has an inner and outer blank holder structure (such as a left side wall outer plate die and a right side wall outer plate die), the strokes of the inner and outer blank holders are consistent, but the strokes of the inner and outer blank holders are consistent, when the stamping die stretches a stamping part, the stamping part is easy to crack, and the development of a secondary stretching shaping die is needed.
In view of the above, the present utility model provides a stamping die, which aims to solve the problem that the stamping die is easy to crack a stamping part during drawing. Fig. 1 to fig. 4 are schematic structural diagrams of an embodiment of a stamping die provided by the present utility model.
Referring to fig. 1 to 4, the stamping die 100 includes a base 1 and a blank holder structure 2, the base 1 includes a lower die holder 12 and an upper die holder 11 mounted on the base 1 along an up-down direction, the blank holder structure 2 is disposed on the base 1 and includes an outer blank holder 21 and an inner blank holder 22 disposed in the outer blank holder 21, wherein stamping strokes of the outer blank holder 21 and the inner blank holder 22 are different, so that when the upper die holder 11 moves towards the lower die holder, the outer blank holder 21 or the inner blank holder 22 compresses a stamping part first.
According to the technical scheme, the outer blank holder 21 is arranged so as to compress the outer periphery of the stamping part, the inner blank holder 22 is arranged so as to compress the middle part of the stamping part, and meanwhile, the strokes of the inner blank holder 22 and the outer blank holder 21 are different, so that the inner blank holder 22 and the outer blank holder 21 compress the stamping part successively, and therefore, the strokes of the outer blank holder 21 and the inner blank holder 22 are different, so that the strokes of the outer blank holder 21 or the inner blank holder 22 are changed, the deep drawing degree of the stamping part is reduced, cracking of the stamping part is avoided, and the problem that the stamping part is easy to crack when the stamping die 100 is deep drawn is solved.
The outer and inner press rings 21 and 22 may be disposed in the lower die holder 12, or may be disposed in the upper die holder 11 and the lower die holder 12, respectively, and the outer and inner press rings 21 and 22 are movably disposed in the lower die holder 12 up and down, so that the outer and inner press rings 21 and 22 are disposed in the lower die holder 12 at the same time, and the outer and inner press rings 21 and 21 can be adjusted by the same reference, which is not only helpful for adjusting the strokes of the inner and outer press rings 22 and 21, but also for keeping the stamping parts on the lower die holder 12 horizontal for placement, and the outer and inner press rings 21 and 21 are movably disposed, so that the press edge structure 2 can compress the stamping parts in different types, thereby facilitating the stamping property 100.
In order to drive the outer blank holder 21 to move, in this embodiment, referring to fig. 2 to 4, the first driving structure 3 includes a first driving device and a ram structure 31, the first driving device is disposed below the lower die holder 12, the ram structure 31 is disposed between the outer blank holder 21 and the first driving device, and the ram structure 31 includes a plurality of rams extending up and down, so that the first driving device can drive the outer blank holder 21 to move up and down by providing a plurality of rams.
Further, the lower die holder 12 is provided with a plurality of through holes, and a plurality of through holes are respectively provided corresponding to a plurality of ejector pins, so that the through holes are arranged so as to limit the movement of the ejector pins along the horizontal direction, so that the ejector pins can move along the up-down direction.
The first driving device may be a plurality of types, and may be a nitrogen spring or a driving cylinder, which is not limited in this aspect of the utility model, and in this embodiment, the first driving device includes a pneumatic pad or a hydraulic pad, so that the height of the outer blank holder 21 is conveniently adjusted, and impact in the stamping process is conveniently buffered.
Because when the outer blank holder 21 changes, it takes time to replace the ejector rod according to the layout and check the position, which consumes longer time, in this embodiment, the outer blank holder 21 includes an outer blank holder body 211 and a plurality of support legs 212 disposed at the lower end of the outer blank holder body 211, and the support legs 212 are disposed on the ejector rod structure 31, so that the support legs 212 are disposed, not only facilitate to support the outer blank holder body 211, but also enable the ejector rod at the corresponding position to be selected, so that the ejector rod structure 31 can be adapted to different outer blank holders 21 without adjusting the ejector rod, thereby helping to save the replacement time.
It should be noted that, the base 121 is fully covered with the ejector pins, the outer blank holder 21 passes through the supporting legs 212, so that the corresponding ejector pins are selected for use, so that the ejector pin structure 31 can support the outer blank holder 21, when different outer blank holders 21 are provided with different supporting legs 212, the corresponding connected ejector pins are different, so that the ejector pin structure 31 can support different outer blank holders 21 without adjusting the ejector pins.
In order to adjust the stroke of the inner pressure edge ring 22, in this embodiment, the stamping die 100 further includes a second driving structure 4 disposed on the lower die holder, and the second driving structure 4 is drivingly connected to the inner pressure edge ring 22, so that the position of the inner pressure edge ring 22 on the upper and lower sides is adjusted by disposing the second driving structure 4. Further, the second driving structure 4 comprises a nitrogen spring.
The number of the inner pressure side rings 22 may be one or more, specifically, in this embodiment, the inner pressure side rings 22 are disposed in a plurality, and a plurality of inner pressure side rings 22 are disposed at intervals on the lower die holder 12, so that by disposing a plurality of inner pressure side rings 22, different positions of the stamping part are pressed, so that the inner pressure side rings 22 are matched with the shape of the stamping part, so that the inner pressure side ring structure 2 can press different stamping parts, thereby facilitating the improvement of the universality of the stamping die 100.
In order to mount different outer bead rings 21 on the lower die holder 12, in this embodiment, referring to fig. 2 and 3, the lower die holder 12 includes a base 121 and an outer frame 122, the outer frame 122 is detachably mounted on the upper end of the base 121 to enclose a mounting groove with the base 121 for mounting the outer bead rings 21, so that the mounting groove is formed by the base and the outer frame 122 to limit the outer bead rings 21 on the lower die holder, and meanwhile, a detachable structure is adopted to facilitate replacement of different outer frames 122 for mounting different outer bead rings 21 on the lower die holder 12.
It is to be understood that the different outer frames 122 may be different shapes of outer frames 122, different sizes of outer frames 122, etc., which is not limited in the present utility model.
In order to facilitate the adjustment of the position of the outer frame 122, in this embodiment, the base 121 is provided with a sliding groove 1211 extending in the front-rear direction, and the outer frame 122 is fixed to the sliding groove 1211 by a bolt connection structure, so that by providing the sliding groove 1211, the ejector rod can not only be prevented from being separated from the base 121, but also be slid along a predetermined route, thereby facilitating the adjustment of the position of the ejector rod. Further, the sliding groove 1211 is provided in a T-shape, so as to move the ejector rod up and down, so as to prevent the ejector rod from being separated from the base 121.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the specification and drawings of the present utility model or direct/indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. A stamping die, characterized by comprising:
The seat body comprises a lower die holder and an upper die holder arranged on the seat body along the up-down direction;
the blank pressing structure is arranged on the seat body and comprises an outer blank pressing ring and an inner blank pressing ring arranged in the outer blank pressing ring;
The outer blank holder and the inner blank holder have different stamping strokes, so that when the upper die holder moves towards the lower die holder, the outer blank holder or the inner blank holder firstly presses the stamping part.
2. The stamping die of claim 1, wherein the outer bead ring and the inner bead ring are movably mounted to the lower die holder in an up-down direction.
3. The stamping die of claim 2, further comprising a first drive structure, the first drive structure comprising:
the first driving device is arranged below the lower die holder; and
The ejector rod structure is arranged between the outer blank holder and the first driving device and comprises a plurality of ejector rods extending up and down.
4. The stamping die of claim 3, wherein the lower die holder is provided with a plurality of through holes, and a plurality of through holes are respectively arranged corresponding to a plurality of ejector rods.
5. The stamping die of claim 3, wherein the outer blank holder comprises an outer blank holder body and a plurality of support legs arranged at the lower end of the outer blank holder body, and the plurality of support legs are arranged on the ejector rod structure.
6. A stamping die as claimed in claim 3, wherein the first drive means comprises a pneumatic or hydraulic pad.
7. The stamping die of claim 2, further comprising a second drive structure disposed on the lower die base, the second drive structure drivingly connected to the inner rim.
8. The stamping die of claim 1, wherein the lower die holder comprises:
A base; and
The outer frame is detachably arranged at the upper end of the base, so that an installation groove for installing the outer blank holder is formed by surrounding the outer frame and the base.
9. The stamping die of claim 8, wherein the base is provided with a chute extending in a front-to-rear direction;
the outer frame is fixed in the chute through a bolt connection structure.
10. The stamping die of claim 1, wherein a plurality of said inner pressure rims are provided, and a plurality of said inner pressure rims are provided at intervals in said lower die holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322521674.3U CN220837462U (en) | 2023-09-15 | 2023-09-15 | Stamping die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322521674.3U CN220837462U (en) | 2023-09-15 | 2023-09-15 | Stamping die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220837462U true CN220837462U (en) | 2024-04-26 |
Family
ID=90744257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322521674.3U Active CN220837462U (en) | 2023-09-15 | 2023-09-15 | Stamping die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220837462U (en) |
-
2023
- 2023-09-15 CN CN202322521674.3U patent/CN220837462U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |