CN112588916A - Floating material pressing mechanism for improving resilience of hood outer plate - Google Patents
Floating material pressing mechanism for improving resilience of hood outer plate Download PDFInfo
- Publication number
- CN112588916A CN112588916A CN202011317888.3A CN202011317888A CN112588916A CN 112588916 A CN112588916 A CN 112588916A CN 202011317888 A CN202011317888 A CN 202011317888A CN 112588916 A CN112588916 A CN 112588916A
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- die body
- material pressing
- plate
- pressing plate
- insert
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
Abstract
The invention discloses a floating material pressing mechanism for improving resilience of a hair cover outer plate, which belongs to the technical field of stamping and comprises an upper die body, an upper material pressing plate, a flanging female die insert, an upper striking rod, a lower material pressing plate insert, a male die, a nitrogen spring, an adjusting cushion block, a balance block and a lower die body; the upper pressure plate moves up and down in the upper die body through the guide element under the action of the power source; the flanging female die insert is fixed on the upper die body, and the upper die body is arranged on an upper sliding block of the press through a quick clamp; the lower material pressing plate moves up and down in the lower die body through the guide element under the action of the nitrogen spring; the mechanism can ensure the forming quality of a workpiece in the production process, solves the problems of poor rigidity, large resilience and the like, can provide a testable scheme for subsequent debugging through the balance block, the nitrogen spring and the adjusting cushion block, and achieves the optimal effect. The mechanism can realize flanging of the plate in a non-free state, can ensure the rigidity of a product after flanging, and can improve the resilience problem of the product to the maximum extent.
Description
Technical Field
The invention belongs to the technical field of stamping, and particularly relates to a floating material pressing mechanism for improving resilience of an outer plate of a hair cover.
Background
In the automobile outer covering piece, two sides of the outer plate of the hood are lapped with the wing plates, the front side is lapped with the radiator grille, the front end decorative frame and the headlight, and the rear side is lapped with the windshield. The hair cover outer plate belongs to an A-level curved surface, and the product requirement cannot have any defects. The hair mask outer plate should have smooth and smooth surface, clear ridge line and within plus or minus 0.5mm of peripheral dimensional accuracy. The drawn plastic deformation must be sufficient, and the car beauty requires that the surface of the hair cover outer plate is not scratched by illumination inspection, and has no convex hull and dark pit by touch inspection.
In the prior art, a hair cover outer plate product has the advantages of simple structure, flat and straight surface, large curvature radius, low overall height and shallow drawing depth of parts. The plate is drawn, trimmed and turned over to obtain a final required product, and the product often has a large rebound result, so that the quality and the precision of a final part are directly influenced. Springback, one of the main factors affecting the dimensional accuracy of the stamped product, is difficult to control precisely by a single springback compensation.
Disclosure of Invention
In order to solve the problems of large resilience, poor rigidity and the like of the hood outer plate in the prior art, the invention provides a floating pressing mechanism for improving resilience of the hood outer plate. The mechanism can ensure the forming quality of a workpiece in the production process, solves the problems of poor rigidity, large resilience and the like, can provide a testable scheme for subsequent debugging by means of a balance block, a nitrogen spring, an adjusting cushion block and the like, and achieves the optimal effect. The mechanism can realize flanging of the plate in a non-free state, ensure the rigidity of a product after flanging and improve the resilience problem of the product to the maximum extent.
The invention is realized by the following technical scheme:
a floating material pressing mechanism for improving resilience of an outer plate of a hair cover comprises an upper die body 1, an upper material pressing plate 2, a flanging female die insert 3, an upper knock rod 4, a lower material pressing plate 5, a lower material pressing plate insert 6, a male die 7, a nitrogen spring 8, an adjusting cushion block 9, a balance block 10 and a lower die body 12; the upper striking rod 4 is arranged on the upper pressure plate 2, the upper pressure plate 2 is arranged in the upper die body 1, and the upper pressure plate 2 moves up and down in the upper die body 1 through a guide element under the action of a power source; the flanging female die insert 3 is fixed on the upper die body 1, and the upper die body 1 is arranged on an upper sliding block 13 of a press through a quick clamp; the lower material pressing plate insert 6, the adjusting cushion block 9 and the balance block 10 are fixed on the lower material pressing plate 5, the lower material pressing plate 5 is installed on a lower die body 12, and the lower material pressing plate 5 moves up and down in the lower die body 12 through a guide original piece under the action of the nitrogen spring 8; the male die 7 and the nitrogen spring 8 are fixed on a lower die body 12, and the lower die body 12 is arranged on a press worktable 14.
Preferably, the upper nip plate 2 is installed in the upper die body 1 through a rigid limiting part and an elastic limiting part.
Preferably, the lower material pressing plate 5 is mounted on the lower die body 12 through a rigid limit.
Preferably, the flanging die insert 3 is fixed on the upper die body 1 through screws, and the lower material pressing plate insert 6, the adjusting cushion block 9 and the balance weight 10 are fixed on the lower material pressing plate 5 through screws. The position arrangement of the adjusting cushion block 9 and the balance block 10 needs to consider the stress balance, and the adjusting cushion block is as close to the working part as possible, has uniform space and is arranged in an up-and-down alignment manner.
Preferably, the male die 7 and the nitrogen spring 8 are fixed on the lower die body 12 through screws. The position of the nitrogen spring 8 corresponds to that of the adjusting cushion block 9, so that the transmission of force is ensured to be on the same straight line.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the balance block is additionally arranged between the floating material pressing mechanism and the female die, so that the gap between the floating material pressing mechanism and the female die can be adjusted, and the optimal gap can be ensured for flanging;
2. the power source of the floating material pressing mechanism is a nitrogen spring, and the material pressing force of the mechanism can be adjusted according to actual conditions;
3. according to the invention, the adjusting cushion block is additionally arranged between the nitrogen spring and the floating material pressing mechanism, and the stroke of the mechanism can be adjusted.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural view of a floating material pressing mechanism for improving the rebound of an outer plate of a hair cover according to the invention;
FIG. 2 is a cross-sectional view of a floating swage mechanism for improving the springback of the outer plates of the hair piece of the present invention;
FIG. 3 is a schematic view of the initial state of the lower press;
FIG. 4 shows the turned-up state;
in the figure: the device comprises an upper die body 1, an upper pressure plate 2, a flanging female die insert 3, an upper striking rod 4, a lower pressure plate 5, a lower pressure plate insert 6, a male die 7, a nitrogen spring 8, an adjusting cushion block 9, a balance block 10, an upper die 11, a lower die body 12, a press upper slide block 13 and a press workbench 14.
Detailed Description
The following embodiments are only used for illustrating the technical solutions of the present invention more clearly, and therefore, the following embodiments are only used as examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
Example 1
For clearly and completely describing the technical scheme and the specific working process thereof, the specific implementation mode of the invention is as follows by combining the attached drawings of the specification:
in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. 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.
As shown in fig. 1, a floating material pressing mechanism for improving resilience of a hair cover outer plate comprises an upper die body 1, an upper material pressing plate 2, a flanging female die insert 3, an upper striking rod 4, a lower material pressing plate 5, a lower material pressing plate insert 6, a male die 7, a nitrogen spring 8, an adjusting cushion block 9, a balance block 10 and a lower die body 12; the upper striking rod 4 is arranged on the upper pressure plate 2, the upper pressure plate 2 is arranged in the upper die body 1, and the upper pressure plate 2 moves up and down in the upper die body 1 through a guide element under the action of a power source; the flanging female die insert 3 is fixed on the upper die body 1 through a screw, and the upper die body 1 is arranged on an upper sliding block 13 of the press through a quick clamp; the lower pressing plate insert 6, the adjusting cushion block 9 and the balance block 10 are fixed on the lower pressing plate 5 through screws, the positions of the adjusting cushion block 9 and the balance block 10 need to be arranged in a manner of considering the stress balance, the lower pressing plate insert is close to a working part as much as possible, the space is uniform, and the upper pressing plate insert, the lower pressing plate insert and the balance block are aligned up and down. The lower material pressing plate 5 is arranged on the lower die body 12, and the lower material pressing plate 5 moves up and down in the lower die body 12 through the guide element under the action of the nitrogen spring 8; the male die 7 and the nitrogen spring 8 are fixed on the lower die body 12 through screws; the lower die body 12 is mounted on the press table 14 by bolts. The position of the nitrogen spring 8 corresponds to that of the adjusting cushion block 9, so that the transmission of force is ensured to be on the same straight line.
The upper pressure plate 2 is installed in the upper die body 1 through a rigid limiting part and an elastic limiting part.
The lower material pressing plate 5 is mounted on the lower die body 12 through rigid limit.
The working process of the floating material pressing mechanism for improving the rebound of the hair cover outer plate is as follows:
the upper pressure plate 2 moves downwards along with the upper die body 1, after the upper pressure plate 2 contacts the plate, the upper striking rod 4 provides a pressure source for the upper pressure plate, when the stroke of the upper pressure plate 2 is released, the pressing of the part is completed, the lower pressure plate 5 reaches an initial position under the action of power provided by the nitrogen spring 8, as shown in fig. 3, the flanging die insert 3 starts to work and works with the lower pressure plate 5 to clamp the plate in the middle to ensure that the plate is flanged in a non-free state, the flanging of the flanging die insert 3 and the male die 7 is realized, and when the die moves to a bottom dead center, the flanging work is completed, and the state is as shown in fig. 4. The balance weight 10 is used for adjusting the gap between the lower material pressing plate and the female die insert, and ensuring the optimal flanging state; the nitrogen spring 8 can be adjusted according to debugging requirements, so that the optimal pressure is ensured; the adjusting cushion block 9 can adjust the pressing stroke, so that the optimal working state is ensured. Compared with the free flanging state of the hair cover outer plate, the process has the advantage that the rebound is obviously improved.
Referring to the schematic diagram of the mold structure in fig. 1, the upper mold is connected with the upper slide block through a press quick clamping mechanism; the lower die is fixed with the press workbench through a fastening bolt.
Referring to the schematic sectional view of the die structure in fig. 2, when the die works, after the upper pressure plate 2 contacts the plate, the upper striking rod 4 provides a pressure source for the upper pressure plate, so that the pressure is ensured to be finished, the lower pressure plate 5 reaches an initial position under the action of the nitrogen spring 8, the flanging die insert 3 starts to work, the flanging die insert 3 and the male die 7 realize flanging, and when the die moves to a bottom dead center, the flanging work is finished.
Referring to fig. 3, a schematic diagram of the initial state of the lower pressing is shown, in which the upper pressing plate 2 is in place, the lower pressing plate 5 reaches a working state, and the flanging die insert 3 starts to contact with the plate to work.
Referring to fig. 4, the flanging process is completed in the end-to-end state, the flanging die insert 3 and the male die 7 complete the flanging, and the lower pressing material is in the end-to-end state under the action of the flanging die insert 3.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (5)
1. A floating material pressing mechanism for improving resilience of an outer plate of a hair cover is characterized by comprising an upper die body (1), an upper material pressing plate (2), a flanging female die insert (3), an upper striking rod (4), a lower material pressing plate (5), a lower material pressing plate insert (6), a male die (7), a nitrogen spring (8), an adjusting cushion block (9), a balance block (10) and a lower die body (12); the upper striking rod (4) is arranged on the upper pressure plate (2), the upper pressure plate (2) is arranged in the upper die body (1), and the upper pressure plate (2) moves up and down in the upper die body (1) through a guide element under the action of a power source; the flanging female die insert (3) is fixed on the upper die body (1), and the upper die body (1) is arranged on an upper sliding block (13) of the press through a quick clamp; the lower material pressing plate insert (6), the adjusting cushion block (9) and the balance block (10) are fixed on the lower material pressing plate (5), the lower material pressing plate (5) is installed on the lower die body (12), and the lower material pressing plate (5) moves up and down in the lower die body (12) through the guide original piece under the action of the nitrogen spring (8); the male die (7) and the nitrogen spring (8) are fixed on the lower die body (12), and the lower die body (12) is arranged on a press workbench (14).
2. A floating nip mechanism for improving the springback of the outer plates of a hair mask as claimed in claim 1, wherein said upper nip plate (2) is mounted in the upper die body (1) by means of a rigid stopper and an elastic stopper.
3. A floating swage mechanism for improving the springback of hair cover outer plates according to claim 1, characterized in that said lower swage plate (5) is mounted on the lower die body (12) by a rigid limit.
4. The floating pressing mechanism for improving the resilience of the hair cover outer plate as claimed in claim 1, wherein the flanging die insert (3) is fixed on the upper die body (1) through screws, and the lower pressing plate insert (6), the adjusting cushion block (9) and the balance weight (10) are fixed on the lower pressing plate (5) through screws.
5. The floating material pressing mechanism for improving the resilience of the hair cover outer plate as claimed in claim 1, wherein the male die (7) and the nitrogen spring (8) are fixed on the lower die body (12) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011317888.3A CN112588916A (en) | 2020-11-23 | 2020-11-23 | Floating material pressing mechanism for improving resilience of hood outer plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011317888.3A CN112588916A (en) | 2020-11-23 | 2020-11-23 | Floating material pressing mechanism for improving resilience of hood outer plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112588916A true CN112588916A (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011317888.3A Pending CN112588916A (en) | 2020-11-23 | 2020-11-23 | Floating material pressing mechanism for improving resilience of hood outer plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112588916A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185592A1 (en) * | 2022-03-31 | 2023-10-05 | 浙江极氪智能科技有限公司 | Engine hood outer panel springback control method, flanging die and vehicle |
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| CN202021275U (en) * | 2011-02-20 | 2011-11-02 | 青岛海隆机械集团有限公司 | Automobile top cover die with nitrogen spring |
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| CN202021275U (en) * | 2011-02-20 | 2011-11-02 | 青岛海隆机械集团有限公司 | Automobile top cover die with nitrogen spring |
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| CN206326045U (en) * | 2016-12-29 | 2017-07-14 | 上海千缘汽车车身模具有限公司 | A kind of automotive floor panel machining production line |
| CN206435662U (en) * | 2017-01-17 | 2017-08-25 | 重庆长安汽车股份有限公司 | A kind of anti-rebound sheet material flanging die |
| CN207628999U (en) * | 2017-11-15 | 2018-07-20 | 芜湖瑞鹄浩博模具有限公司 | A kind of binder flange body |
| CN208696081U (en) * | 2018-07-23 | 2019-04-05 | 泊头市兴达汽车模具制造有限公司 | The mould structure for overcoming automobile exterior panel covering flange to spring back |
| CN211330899U (en) * | 2019-08-28 | 2020-08-25 | 天津金力研汽车工程技术有限公司 | Laser tailor-welded blank car door inner plate drawing anti-cracking device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023185592A1 (en) * | 2022-03-31 | 2023-10-05 | 浙江极氪智能科技有限公司 | Engine hood outer panel springback control method, flanging die and vehicle |
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Application publication date: 20210402 |