CN213684879U - Double-pressing-piece metal buckle and multi-station progressive die for automobile - Google Patents
Double-pressing-piece metal buckle and multi-station progressive die for automobile Download PDFInfo
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- CN213684879U CN213684879U CN202022620720.1U CN202022620720U CN213684879U CN 213684879 U CN213684879 U CN 213684879U CN 202022620720 U CN202022620720 U CN 202022620720U CN 213684879 U CN213684879 U CN 213684879U
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Abstract
The utility model discloses a mould is advanced to good, the simple structure's of chucking power two preforming metal buckles of car and multistation. The technical scheme includes that the metal buckle comprises a U-shaped metal buckle body, wherein the metal buckle body is provided with a first clamping piece and a second clamping piece which are arranged oppositely, and the metal buckle is characterized in that: the free end of the first clamping piece is bent to form a third clamping piece, the free end of the second clamping piece is bent to form a fourth clamping piece, and the free ends of the third clamping piece and the fourth clamping piece are crossed with each other. The advantages are that: through the design of the double clamping pieces, the clamping force can be greatly improved, and in addition, the structure is simple and the integral punch forming is easy; in addition, the multi-station progressive die can realize the integrated punch forming of the automobile double-pressing-piece metal on a pair of dies.
Description
Technical Field
The utility model relates to a mould is advanced to two pressure sheet metal buckles of car and multistation.
Background
The fixing buckle for automobile assembly is used for assembling and fixing plastic decorating parts such as an automobile door inner guard plate, a doorsill strip and the like and an automobile sheet metal, and is one of fasteners for assembling the automobile decorating parts. The current fixing buckle structure for automobile assembly is shown in the Chinese utility model patent with the patent number of 201520804101.4 and the name of 'an automobile metal buckle'. The fixing buckle structure of the structure is complex, and the clamping force and the anti-loosening performance of the buckle are not particularly ideal.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a mould is advanced to two preforming metal buckle of car and multistation that chucking power is good, simple structure.
In order to solve the problem, the utility model adopts the technical scheme that the clamping device comprises a U-shaped metal buckle body, wherein the metal buckle body is provided with a first clamping piece and a second clamping piece which are arranged relatively, and is characterized in that: the free end of the first clamping piece is bent to form a third clamping piece, the free end of the second clamping piece is bent to form a fourth clamping piece, and the free ends of the third clamping piece and the fourth clamping piece are crossed with each other.
The double-pressure-piece metal buckle for the automobile is characterized in that: the side walls of the first clamping piece and the second clamping piece are provided with a group of barbs.
The double-pressure-piece metal buckle for the automobile is characterized in that: the third clamping piece and the fourth clamping piece are composed of smoothly-transitional arc-shaped surfaces and inclined surfaces.
The double-pressure-piece metal buckle for the automobile is characterized in that: the free end parts of the third clamping piece and the fourth clamping piece are provided with connecting pins which are arranged in a staggered mode.
The utility model provides a multistation progressive die for the punching press above-mentioned car double pressure piece metal buckle, include cope match-plate pattern, lower bolster and set up and be equipped with the shaping core subassembly on the last station of cope match-plate pattern, lower bolster, its characterized in that: the molding core assembly comprises an upper core and a lower core, wherein the lower end of the upper core is provided with a pin part, and the upper end of the lower core is provided with a groove matched with the pin part.
The multi-station progressive die is characterized in that: the upper core is arranged between the mounting blocks, a containing cavity is formed around the periphery of the mounting block corresponding to the pin part, and a pressing block is arranged in the containing cavity.
The multi-station progressive die is characterized in that: and positioning cores are arranged on two sides of the lower core.
The utility model discloses a car two pressure sheet metal buckle advantages: through the design of the double clamping pieces, the clamping force can be greatly improved, and in addition, the structure is simple and the integral punch forming is easy; in addition, the multi-station progressive die can realize the integrated punch forming of the automobile double-pressing-piece metal on a pair of dies.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural view of the dual-pressure-sheet metal buckle of the automobile of the present invention;
FIG. 2 is a side view of the dual-pressure-piece metal buckle of the present invention;
FIG. 3 is a schematic structural view of a forming core assembly of the last station of the multi-station progressive die of the present invention;
fig. 4 is an exploded view of the last station forming core assembly of the multi-station progressive die of the present invention.
Detailed Description
Example 1:
as shown in fig. 1-2, the utility model discloses a two preforming metal buckle of car, including the metal buckle body 1 that is "U" shape, metal buckle body 1 has relative first holding piece 2, the second holding piece 3 that sets up. The free end of the first clamping piece 2 is bent to form a third clamping piece 4, the free end of the second clamping piece 3 is bent to form a fourth clamping piece 5, and the free ends of the third clamping piece 4 and the fourth clamping piece 5 are crossed.
Preferably, the both sides of first centre gripping piece 2, second centre gripping piece 3 all are equipped with barb 6, and 6 ideal of barb are two groups, the free end of barb 6 draws close to the center, forms "eight" font. So as to play the role of anti-backing after clamping.
Preferably, the third clamping piece 4 and the fourth clamping piece 5 are both composed of an arc-shaped surface 7 and an inclined surface 8 which are in smooth transition. The volume of the buckle is minimum while the clamping force is ensured.
Preferably, the free end parts of the third clamping piece 4 and the fourth clamping piece 5 are provided with connecting pins 9 which are arranged in a staggered manner, so that after the free ends of the third clamping piece 4 and the fourth clamping piece 5 are crossed with each other, connection is realized, and when the buckle is opened, the free ends of the third clamping piece 4 and the fourth clamping piece 5 are abutted to improve the clamping force.
Example 2:
as shown in fig. 3-4, the utility model discloses a multi-station progressive die for towards embodiment 1 the two preforming metal buckle of car, including cope match-plate pattern 10, lower bolster 11 and set up and be equipped with into core subassembly 12 on the last station of cope match-plate pattern 10, lower bolster 11. The molding core assembly 12 comprises an upper core 13 and a lower core 14, wherein the lower end of the upper core 13 is provided with a pin part 15, and the upper end of the lower core 14 is provided with a groove 16 matched with the pin part 15. The upper core 13 is arranged between the mounting blocks 17, a cavity 20 is formed around the mounting blocks 17 corresponding to the pin portion 15, and a pressing block 18 is arranged in the cavity 20. And positioning cores 19 are arranged on two sides of the lower core 14. After the automobile double-pressing-piece metal buckle is pressed through multiple stations, the required U-shaped structure is formed through stamping of the forming core assembly.
The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention are all included within the protection scope of the present invention.
Claims (7)
1. The utility model provides a two preforming metal buckles of car, is including metal buckle body (1) that is "U" shape, metal buckle body (1) has relative first centre gripping piece (2), the second centre gripping piece (3) that set up, its characterized in that: the free end of the first clamping piece (2) is bent to form a third clamping piece (4), the free end of the second clamping piece (3) is bent to form a fourth clamping piece (5), and the free ends of the third clamping piece (4) and the fourth clamping piece (5) are crossed with each other.
2. The automotive double-tabletting metal buckle according to claim 1, wherein: the side walls of the first clamping piece (2) and the second clamping piece (3) are provided with a group of barbs (6).
3. The automotive double-tabletting metal buckle according to claim 1, wherein: the third clamping piece (4) and the fourth clamping piece (5) are composed of smoothly-transitional arc-shaped surfaces (7) and inclined surfaces (8).
4. The automotive double-tabletting metal buckle according to claim 1, wherein: the free end parts of the third clamping piece (4) and the fourth clamping piece (5) are provided with connecting feet (9) which are arranged in a staggered mode.
5. A multi-station progressive die for stamping the automobile dual-pressure-piece metal buckle as claimed in any one of claims 1 to 4, which comprises an upper die plate (10), a lower die plate (11) and a forming core assembly (12) arranged on the last station of the upper die plate (10) and the lower die plate (11), and is characterized in that: the molding core assembly (12) comprises an upper core (13) and a lower core (14), a pin part (15) is arranged at the lower end of the upper core (13), and a groove (16) matched with the pin part (15) is arranged at the upper end of the lower core (14).
6. The multi-station progressive die of claim 5, wherein: the upper core (13) is arranged between the mounting blocks (17), a containing cavity (20) is formed around the mounting blocks (17) corresponding to the pin parts (15), and a pressing block (18) is arranged in the containing cavity (20).
7. The multi-station progressive die of claim 6, wherein: and positioning cores (19) are arranged on two sides of the lower core (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022620720.1U CN213684879U (en) | 2020-11-13 | 2020-11-13 | Double-pressing-piece metal buckle and multi-station progressive die for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022620720.1U CN213684879U (en) | 2020-11-13 | 2020-11-13 | Double-pressing-piece metal buckle and multi-station progressive die for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213684879U true CN213684879U (en) | 2021-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022620720.1U Active CN213684879U (en) | 2020-11-13 | 2020-11-13 | Double-pressing-piece metal buckle and multi-station progressive die for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213684879U (en) |
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2020
- 2020-11-13 CN CN202022620720.1U patent/CN213684879U/en active Active
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