CN221414628U - A mismatch stamping structure for dashing convex hull - Google Patents
A mismatch stamping structure for dashing convex hull Download PDFInfo
- Publication number
- CN221414628U CN221414628U CN202323253164.9U CN202323253164U CN221414628U CN 221414628 U CN221414628 U CN 221414628U CN 202323253164 U CN202323253164 U CN 202323253164U CN 221414628 U CN221414628 U CN 221414628U
- Authority
- CN
- China
- Prior art keywords
- convex hull
- punch
- stamping
- convex
- die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004080 punching Methods 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000007704 transition Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000003754 machining Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The utility model discloses a non-matching stamping structure for stamping a convex hull, wherein the insert is of a frustum structure, and the inner surface profile of the insert is matched with the outer surface profile of the convex hull; the punch is of a columnar structure and is arranged right above or right below the punch, the protruding end of the punch is matched with the smaller end of the convex hull, and the height or depth of the punch is the same as the depth or height of the inner surface of the convex hull. According to the utility model, the end part of the punch is set to be a columnar structure with the same outline size as the smaller end part of the convex hull and the same height as the convex hull, the columnar structure is matched with the insert, so that the shape precision of the convex hull can be ensured, the outer edge and the side wall of the end part of the punch can not completely or directly apply punching force on the side wall of the convex hull and the end part connected with a plate material, the side wall of the convex hull is stressed less in the extending process, the side wall and the end part of the convex hull can be prevented or slowed down to be cracked or pulled, the molding quality yield is high, the convex hull can be molded by punching once, and the molding efficiency is high.
Description
Technical Field
The utility model relates to the technical field of stamping dies, in particular to a non-matching stamping structure for a stamping convex hull.
Background
In the process of stamping the convex hull on the sheet metal part by using a stamping die, a punch matched with the inner surface of the convex hull is generally arranged on an upper die or a lower die, and an insert matched with the outer surface of the convex hull is arranged on the lower die or the upper die; however, when the depth or height of the convex hull is large in production, the arc chamfer at the bottom of the convex hull is easy to crack or break, and the problem can be solved by stamping for multiple times in production, but at least more than two pairs of different stamping structural members are needed; the existing production modes are three, namely, a plurality of punching machines are used for sequentially, a plurality of punching machine equipment is occupied, automatic or manual material moving is needed, and the equipment use cost is high; continuous processing can be performed by using a continuous stamping die, but the die has high cost, a large-tonnage punching machine is needed, and the production and manufacturing cost is high; a punch press can be used for processing, but stamping parts on the die are required to be replaced manually, so that time and labor are wasted, and the production efficiency is low.
Therefore, the utility model improves the stamping structure of the convex hull, so as to reduce the use of equipment and the times of punching and reduce the production cost.
Disclosure of utility model
Aiming at the problems in the prior art, the utility model provides the unmatched stamping structure for stamping the convex hulls, wherein the outer edge and the side wall of the end part of the punch cannot completely or directly apply stamping force to the side wall of the convex hulls and the end part connected with the plate material, the side wall of the convex hulls is stressed less in the extending process, the side wall and the end part of the convex hulls can be prevented or slowed down from cracking or being pulled apart, the yield of the forming quality is high, the convex hulls can be formed by stamping once, and the forming efficiency is high.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the unmatched stamping structure for stamping the convex hull is arranged on a stamping die, an upper die and a lower die are arranged on the stamping die, a convex punch is arranged on the upper die or the lower die, a concave insert is arranged on the lower die or the upper die, the upper convex hull of the product is of a frustum structure, and both end parts of the upper convex hull of the product are in smooth arc transition;
The entrance is of a frustum structure, and the outline of the inner surface of the entrance is matched with the outline of the outer surface of the convex hull;
The punch is of a columnar structure and is arranged right above or right below the punch, the protruding end of the punch is matched with the smaller end of the convex hull, and the height or depth of the punch is the same as the depth or height of the inner surface of the convex hull.
As a further explanation of the above technical solution:
in the above technical scheme, the punch is a stepped columnar structure, and comprises a positioning part and a forming part, wherein the positioning part and the forming part are sequentially arranged along the die assembly direction, and the cross section size of the positioning part is decreased gradually: the forming part is matched with the smaller end part of the convex hull, and the height of the forming part is the same as the depth of the convex hull; the positioning part is in transmission connection with the driving device, and the outline edge of the positioning part is arranged on the periphery of the outline edge of the larger end part on the convex hull.
In the above technical solution, the ends of the convex hull and the forming part are both circular structures or polygonal structures; an arc chamfer is arranged at the edge of the end profile of the forming part, and the radius of the arc chamfer is smaller than the radius of the arc transition; the side walls of the forming part are arc-shaped structures.
In the above technical scheme, a groove is formed in the side wall, where the forming part is connected with the positioning part.
In the above technical solution, the punch has a frustum structure, and the larger end of the punch is matched with the outline of the inner surface of the smaller end of the convex hull.
Compared with the prior art, the utility model has the beneficial effects that: the end part of the punch is set to be a columnar structure which is the same as the outline size of the smaller end part of the convex hull and the height of the punch is the same as the height of the convex hull, the punch is matched with the insert, the shape precision of the convex hull can be ensured, the outer edge and the side wall of the end part of the punch cannot completely or directly apply punching force on the side wall of the convex hull and the end part of the punch connected with a plate, the side wall of the convex hull is stressed less in the extending process, cracks or broken of the side wall and the end part of the convex hull can be avoided or slowed down, the molding quality yield is high, the convex hull can be molded by punching once, and the molding efficiency is high.
Drawings
FIG. 1 is a schematic illustration of a cross-street configuration of a convex hull on a product;
FIG. 2 is a schematic diagram of the structure of the punch and the insert in the present embodiment;
FIG. 3 is a schematic view of the structure of the punch in the present embodiment;
Fig. 4 is a schematic view of the structure of a punch in another embodiment.
In the figure: 10. a punch; 11. a positioning part; 12. a molding part; 20. a seed inlet; 30. convex hulls; 31. arc transition; H. the height of the forming part; h. convex hull height; 1. arc chamfering; 2. a groove.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
The embodiments described by referring to the drawings are exemplary and intended to be illustrative of the application and are not to be construed as limiting the application. In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are 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 one or more such feature. In the description of the present application, the meaning of "a number", "a plurality" or "a plurality" is two or more, unless specifically defined otherwise. In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances. In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
As shown in fig. 1-3, a non-matching stamping structure for stamping convex hulls is arranged on a stamping die, an upper die and a lower die are arranged on the stamping die, a convex punch 10 is arranged on the upper die or the lower die, a concave insert 20 is arranged on the lower die or the upper die, the upper convex hull 30 of the product is of a frustum structure, and both ends of the upper convex hull are provided with smooth arc-shaped transition 31;
the insert 20 is of a frustum structure, and the contour of the inner surface of the insert is matched with the contour of the outer surface of the convex hull 30;
The punch 10 has a columnar structure and is arranged right above or right below the insert 20, the protruding end of the punch is matched with the smaller end of the convex hull 30, and the height or depth H of the punch is the same as the depth or height H of the inner surface of the convex hull 30.
According to the utility model, the end part of the punch 10 is set to be a columnar structure which has the same outline size as the smaller end part of the convex hull 30 and the same height as the convex hull 30, and is matched with the insert 20, so that the shape precision of the convex hull 30 can be ensured, the outer edge and the side wall of the end part of the punch 10 can not completely or directly apply punching force on the side wall of the convex hull 30 and the end part connected with a plate material, the side wall of the convex hull 30 is stressed less in the extending process, the occurrence of cracks or pull-out of the side wall and the end part of the convex hull can be avoided or slowed down, the molding quality yield is high, the convex hull 30 can be molded by punching once, and the molding efficiency is high.
Further, as shown in fig. 3, the punch 10 has a stepped columnar structure, and includes a positioning portion 11 and a forming portion 12, which are sequentially arranged in a mold clamping direction and have a decreasing cross-sectional dimension: the forming part 12 is matched with the smaller end part of the convex hull 30, and the height H of the forming part is the same as the depth H of the convex hull 30; the positioning part 11 is in transmission connection with the driving device, and the contour edge of the positioning part is arranged on the periphery of the contour edge of the larger end part on the convex hull 30.
During operation, the forming part 12 pushes the plate material to extend and deform and is matched with the insert 20 to gradually form the convex hull 30, and the positioning part 11 is matched with the lower die to compress the plate material while the forming part 12 is in place, so that deformation defects such as tilting and the like of the plate material around the convex hull 12 are avoided and slowed down.
Further, as shown in fig. 1 and 3, the ends of the convex hull 30 and the forming portion 12 are both circular structures or polygonal structures; the edge of the end contour of the forming part 12 is provided with an arc chamfer 1, and the radius of the arc chamfer 1 is smaller than that of the arc transition 31; the side walls of the forming part 12 are arc-shaped structures.
Further, as shown in fig. 3, a groove 2 is provided on a side wall of the molding portion 12 which is in contact with the positioning portion 11.
In this embodiment, the corner cleaning process is adopted in the process of machining the forming portion 12, so that the groove 3 is formed at the bottom end portion and at the bottom end portion thereof, so that the forming portion 12 can be ensured to have a columnar structure as a whole from the machining process, and the side walls thereof do not affect the extension of the side walls of the convex hull 30.
In another embodiment of the present utility model, as shown in fig. 4, the punch 10 is of a frustoconical configuration having a larger sized end that matches the inner surface profile of a smaller sized end of the convex hull 30.
As another alternative of the present utility model, the forming portion 12 may be directly formed into a frustum structure without a suitable machining tool, and the end portion thereof has a larger profile for directly cutting and punching the convex hull 30, and the side wall thereof is far from the side wall of the convex hull 30, without affecting the extension of the side wall of the convex hull 30.
The above description should not be taken as limiting the scope of the utility model, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model still fall within the scope of the technical solutions of the present utility model.
Claims (5)
1. The unmatched stamping structure for stamping the convex hull is arranged on a stamping die, an upper die and a lower die are arranged on the stamping die, a convex punch is arranged on the upper die or the lower die, a concave insert is arranged on the lower die or the upper die, the upper convex hull of the product is of a frustum structure, and both end parts of the upper convex hull of the product are in smooth arc transition; the method is characterized in that:
The entrance is of a frustum structure, and the outline of the inner surface of the entrance is matched with the outline of the outer surface of the convex hull;
The punch is of a columnar structure and is arranged right above or right below the punch, the protruding end of the punch is matched with the smaller end of the convex hull, and the height or depth of the punch is the same as the depth or height of the inner surface of the convex hull.
2. The unmatched stamping structure for a stamping convex hull according to claim 1, wherein the punch is a stepped columnar structure, and comprises a positioning portion and a forming portion, wherein the positioning portion and the forming portion are sequentially arranged along a die assembly direction and have a decreasing cross section size: the forming part is matched with the smaller end part of the convex hull, and the height of the forming part is the same as the depth of the convex hull; the positioning part is in transmission connection with the driving device, and the outline edge of the positioning part is arranged on the periphery of the outline edge of the larger end part on the convex hull.
3. A non-matching stamping structure for stamping a convex hull according to claim 2, wherein the ends of the convex hull and the forming section are both circular or polygonal; an arc chamfer is arranged at the edge of the end profile of the forming part, and the radius of the arc chamfer is smaller than the radius of the arc transition; the side walls of the forming part are arc-shaped structures.
4. A non-matching stamping structure for a convex hull according to claim 2, wherein a groove is provided in a side wall of the forming portion which meets the positioning portion.
5. A non-matching punch structure for punching convex hulls according to any one of claims 1 to 4, wherein said punch is of a frustoconical configuration having a larger sized end matching the inner surface profile of a smaller sized end of said convex hull.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323253164.9U CN221414628U (en) | 2023-11-30 | 2023-11-30 | A mismatch stamping structure for dashing convex hull |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323253164.9U CN221414628U (en) | 2023-11-30 | 2023-11-30 | A mismatch stamping structure for dashing convex hull |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221414628U true CN221414628U (en) | 2024-07-26 |
Family
ID=92014377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323253164.9U Active CN221414628U (en) | 2023-11-30 | 2023-11-30 | A mismatch stamping structure for dashing convex hull |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221414628U (en) |
-
2023
- 2023-11-30 CN CN202323253164.9U patent/CN221414628U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN221414628U (en) | A mismatch stamping structure for dashing convex hull | |
| WO2023125732A1 (en) | Spoke and preparation method therefor | |
| CN217343088U (en) | Stamping die of mounting panel | |
| CN217070408U (en) | Quick switching structure of five metals steel sheet mould | |
| CN114346072A (en) | Forming system and forming process of automobile support | |
| CN211758258U (en) | Punching double-ended needle die | |
| CN211679556U (en) | Punching die structure for preventing punching from jumping and/or blocking | |
| CN109077082B (en) | Method for producing wafer half shells | |
| CN208195369U (en) | A kind of multistation progressive die | |
| CN213763725U (en) | Mould for making convex bag | |
| CN216297625U (en) | Progressive die for stamping oil cup | |
| CN217726864U (en) | Special-shaped thin-wall part stamping die | |
| CN109773044B (en) | Semicircular plate pressing die and semicircular plate manufacturing method | |
| CN216989497U (en) | Mould with changeable station | |
| CN114700413B (en) | Reinforced punch and connecting rod fine blanking process using reinforced punch | |
| CN218532472U (en) | Nut mould and processing device with same | |
| CN219648619U (en) | Flat bending mechanism of forging mould | |
| CN213915995U (en) | Double-group type machine base sand mold manufacturing device | |
| CN218803543U (en) | Mould for manufacturing rubber ring by matching inclined planes | |
| CN218395584U (en) | Negative angle bending die | |
| CN219855610U (en) | Machining die | |
| CN219985992U (en) | Refrigerator back steel plate stamping die | |
| CN218555255U (en) | Rim blanking die | |
| CN217789008U (en) | Car oil pump contact pin mold processing | |
| CN218196468U (en) | Extrusion die with automatic ejection function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |