CN214517148U - Punch forming die for processing hole overlap edge and side hole flanging in booster shell - Google Patents
Punch forming die for processing hole overlap edge and side hole flanging in booster shell Download PDFInfo
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- CN214517148U CN214517148U CN202022676788.1U CN202022676788U CN214517148U CN 214517148 U CN214517148 U CN 214517148U CN 202022676788 U CN202022676788 U CN 202022676788U CN 214517148 U CN214517148 U CN 214517148U
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Abstract
The utility model discloses a stamping forming mould of booster casing mesopore overlap limit and side hole turn-ups processing, including upper die base and die holder, be equipped with the upper die backing plate on the upper die base, be equipped with the upper die fixed block on the upper die backing plate, the activity is equipped with the pressure flitch on the upper die base, is equipped with the lower bolster on the die holder, is equipped with the lower mould backing plate on the lower bolster, be equipped with the lower mould base on the lower mould backing plate, be equipped with the turn-ups terrace die that carries out turn-ups shaping to casing middle part through-hole on the upper die backing plate, the turn-ups terrace die is the step shaft form, and the step face of turn-ups terrace die is work piece overlap limit shaping face, and the lower part of turn-ups terrace die is equipped with convex angle guiding face, is equipped with turn-ups terrace die matched with turn-ups terrace die on the lower mould base; the flanging female die is provided with a lower edge folding ring for supporting the part of the inner hole of the workpiece needing edge folding; two small hole turning female dies are embedded in the lower die base, and two small hole turning male dies which penetrate through the pressure plate and are matched with the small hole turning female dies are arranged on the upper die base plate.
Description
Technical Field
The utility model relates to a stamping forming mould of booster casing mesopore overlap limit and side hole turn-ups processing.
Background
The booster casing adds man-hour, because the mesopore at casing middle part is nearer with the side hole distance on both sides, mesopore overlap limit and side hole turn-ups processing generally divide two processes to accomplish, and preceding one process carries out mesopore preforming and side hole turn-ups processing, and back one process carries out turn-ups processing to the mesopore of preforming, and machining efficiency is not high.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provides a punch forming die for processing a hole overlap edge and a side hole flanging in a shell of a booster.
For solving the technical problem, the utility model discloses the technical scheme who adopts does: a punch forming die for machining hole flanging and side hole flanging in a shell of a booster comprises an upper die base and a lower die base, wherein an upper die base plate is arranged on the upper die base, an upper die fixing block is arranged on the upper die base plate, the upper die base plate is connected with a material pressing plate arranged below the upper die fixing block through a plurality of nitrogen springs, a material pressing groove matched with the middle surface of a workpiece is arranged on the material pressing plate, a lower die plate is arranged on the lower die base plate, a lower die base plate is arranged on the lower die base plate, and a material containing groove matched with the middle surface of the workpiece is arranged on the lower die base plate; the upper die base plate is provided with a flanging male die for flanging the through hole in the middle of the shell, the flanging male die is in a stepped shaft shape, the step surface of the flanging male die is a workpiece flanging molding surface, the lower part of the flanging male die is provided with a circular arc-shaped angle guide surface, and the lower die base is provided with a flanging female die matched with the flanging male die; the flanging female die is provided with a lower edge folding ring for supporting the part of the inner hole of the workpiece needing edge folding; the lower die base is embedded with two small hole turning female dies, through forming holes are formed in the small hole turning female dies, two small hole turning male dies which penetrate through the pressure plate and are matched with the small hole turning female dies are arranged on the upper die base plate, ejection holes which are communicated with the forming holes of the small hole turning female dies are formed in the lower die base plate, ejection springs are arranged in the ejection holes, and ejection rods are arranged on the upper portions of the ejection springs.
Preferably, the diameter of the upper section of the ejector rod is smaller than that of the lower section of the ejector rod.
As a preferable scheme, an inverted L-shaped limit block which is matched with the edge of the pressure plate to limit the stroke of the pressure plate is arranged on the upper die base.
As a preferred scheme, the upper die fixing block and the pressure plate are provided with through pin holes, and spring plungers for prepressing workpieces are arranged in the pin holes.
As a preferred scheme, a guide pillar is arranged on the upper die fixing block, and a guide sleeve matched with the guide pillar is arranged on the pressure plate.
The utility model has the advantages that:
the mold can simultaneously realize the processing of the hole flanging and the side hole flanging in the shell of the booster, the processing is efficient, and the processing cost is reduced. The lower part of the flanging male die is provided with the arc-shaped angle guide surface, so that the flanging male die can be more accurately and easily aligned to the middle hole; because the ejection spring is arranged in the ejection hole, and the ejection rod is arranged at the upper part of the ejection spring, the molded shell can be conveniently separated.
The upper die fixing block and the pressure plate are provided with through pin holes, and the pin holes are internally provided with spring plungers for prepressing workpieces, so that the workpieces can be pressed before the workpieces are formed by the upper die, and the accuracy of workpiece forming is further ensured.
Because the upper die fixing block is provided with the guide pillar, the pressure plate is provided with the guide sleeve matched with the guide pillar, and the accuracy of die assembly is improved.
Drawings
Fig. 1 is a schematic sectional structure diagram of the present invention.
In fig. 1: 1. the die comprises an upper die base, 2 parts of a lower die base, 3 parts of an upper die backing plate, 4 parts of an upper die fixing block, 5 parts of a pressure plate, 6 parts of a lower die plate, 7 parts of a lower die backing plate, 8 parts of a lower die base, 9 parts of a limiting block, 10 parts of a spring plunger, 11 parts of a guide pillar and 12 parts of a guide sleeve; 13. the device comprises a flanging male die, 14 a flanging female die, 15 a small hole flanging female die, 16 a small hole flanging male die, 17 a material ejecting spring, 18 a material ejecting rod and 19 a nitrogen spring.
Detailed Description
The following describes in detail a specific embodiment of the present invention with reference to the drawings.
As shown in fig. 1, the punch forming die for processing the hole flanging and the side hole flanging in the shell of the booster includes an upper die base 1 and a lower die base 2, wherein an upper die base plate 3 is arranged on the upper die base plate 1, an upper die fixing block 4 is arranged on the upper die base plate 3, the upper die base plate 1 is connected with a pressure plate 5 arranged below the upper die fixing block 4 through a plurality of nitrogen springs 19, a pressure trough matched with the middle surface of a workpiece is arranged on the pressure plate 5, a lower die plate 6 is arranged on the lower die base 2, a lower die base plate 7 is arranged on the lower die plate 6, a lower die base 8 is arranged on the lower die base 7, and a material containing trough matched with the middle surface of the workpiece is arranged on the lower die base 8;
the upper die holder 1 is provided with an inverted L-shaped limiting block 9 which is matched with the edge of the pressure plate 5 to limit the stroke of the pressure plate 5. And the upper die fixing block 4 and the pressure plate 5 are provided with through pin holes, and spring plungers 10 for prepressing workpieces are arranged in the pin holes. The upper die fixing block 4 is provided with a guide pillar 11, and the pressure plate 5 is provided with a guide sleeve 12 matched with the guide pillar 11.
The upper die base plate 3 is provided with a flanging male die 13 for flanging the through hole in the middle of the shell, the flanging male die 13 is in a stepped shaft shape, the step surface of the flanging male die 13 is a workpiece flanging forming surface, the lower part of the flanging male die 13 is provided with a circular arc-shaped angle guide surface, and the lower die base 8 is provided with a flanging female die 14 matched with the flanging male die 13; the flanging female die 14 is provided with a lower edge folding ring for supporting the part of the inner hole of the workpiece needing edge folding;
two small hole turning female dies 15 are embedded in the lower die base 8, through forming holes are formed in the small hole turning female dies 15, two small hole turning male dies 16 which penetrate through the pressure plate 5 and are matched with the small hole turning female dies 15 are arranged on the upper die base plate 3, ejector holes which are communicated with the forming holes of the small hole turning female dies 15 are formed in the lower die base plate 7, ejector springs 17 are arranged in the ejector holes, and ejector rods 18 are arranged on the upper portions of the ejector springs 17. The diameter of the upper section of the ejector pin 18 is smaller than the diameter of the lower section.
The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be used, and are not intended to limit the present invention; it should be noted that, for those skilled in the art, without departing from the inventive concept, several changes and modifications can be made, which are within the scope of the present invention.
Claims (5)
1. A punch forming die for machining hole flanging and side hole flanging in a shell of a booster comprises an upper die base and a lower die base, wherein an upper die base plate is arranged on the upper die base, an upper die fixing block is arranged on the upper die base plate, the upper die base plate is connected with a material pressing plate arranged below the upper die fixing block through a plurality of nitrogen springs, a material pressing groove matched with the middle surface of a workpiece is arranged on the material pressing plate, a lower die plate is arranged on the lower die base plate, a lower die base plate is arranged on the lower die base plate, and a material containing groove matched with the middle surface of the workpiece is arranged on the lower die base plate; the method is characterized in that: the upper die base plate is provided with a flanging male die for flanging a through hole in the middle of the shell, the flanging male die is in a stepped shaft shape, the stepped surface of the flanging male die is a workpiece flanging molding surface, the lower part of the flanging male die is provided with a circular arc-shaped angle guide surface, and the lower die base is provided with a flanging female die matched with the flanging male die; the flanging female die is provided with a lower edge folding ring for supporting the part of the inner hole of the workpiece needing edge folding; the lower die base is embedded with two small hole turning female dies, through forming holes are formed in the small hole turning female dies, two small hole turning male dies which penetrate through the pressure plate and are matched with the small hole turning female dies are arranged on the upper die base plate, ejection holes which are communicated with the forming holes of the small hole turning female dies are formed in the lower die base plate, ejection springs are arranged in the ejection holes, and ejection rods are arranged on the upper portions of the ejection springs.
2. The punch forming die for processing the hole flanging and the side hole flanging in the booster shell as claimed in claim 1, wherein: the diameter of the upper section of the ejector rod is smaller than that of the lower section of the ejector rod.
3. The punch forming die for processing the hole flanging and the side hole flanging in the booster shell as claimed in claim 1, wherein: the upper die base is provided with an inverted L-shaped limiting block which is matched with the edge of the pressure plate to limit the stroke of the pressure plate.
4. The punch forming die for processing the hole flanging and the side hole flanging in the booster shell as claimed in claim 1, wherein: and the upper die fixing block and the material pressing plate are provided with through pin holes, and spring plungers for prepressing workpieces are arranged in the pin holes.
5. The punch forming die for hole flanging and side hole flanging in the booster shell as claimed in any one of claims 1 to 4, wherein: the upper die fixing block is provided with a guide pillar, and the pressure plate is provided with a guide sleeve matched with the guide pillar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022676788.1U CN214517148U (en) | 2020-11-18 | 2020-11-18 | Punch forming die for processing hole overlap edge and side hole flanging in booster shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022676788.1U CN214517148U (en) | 2020-11-18 | 2020-11-18 | Punch forming die for processing hole overlap edge and side hole flanging in booster shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214517148U true CN214517148U (en) | 2021-10-29 |
Family
ID=78288359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022676788.1U Active CN214517148U (en) | 2020-11-18 | 2020-11-18 | Punch forming die for processing hole overlap edge and side hole flanging in booster shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214517148U (en) |
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2020
- 2020-11-18 CN CN202022676788.1U patent/CN214517148U/en active Active
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