CN210702094U - Long hole flanging die for thin-wall sheet metal part - Google Patents
Long hole flanging die for thin-wall sheet metal part Download PDFInfo
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- CN210702094U CN210702094U CN201921732877.4U CN201921732877U CN210702094U CN 210702094 U CN210702094 U CN 210702094U CN 201921732877 U CN201921732877 U CN 201921732877U CN 210702094 U CN210702094 U CN 210702094U
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Abstract
The utility model relates to a long hole flanging mould of thin wall sheet metal component, including the cope match-plate pattern, the lower bolster, the upper padding plate, the drift fixed plate, a supporting plate, the pressure flitch, the upper punch, the lower bolster, carry the flitch, the shrinkage cavity seat is equipped with the shaping hole, the lower bolster is equipped with the lower punch, upper punch bottom external diameter is less than shaping hole top aperture, the backup pad top is equipped with and lifts the flitch, it lifts the material spring to lift to be connected with between flitch bottom and the backup pad, be equipped with two at least shrinkage cavity seats on the mould, the shrinkage cavity seat is arranged along panel beating direction of feed and is distributed and the shaping hole aperture on the shrinkage cavity seat and the distance between shrinkage cavity seat and the mould feed end is the inverse ratio, the lower punch bottom is equipped with and lifts the material nitrogen cylinder, it just exerts. The utility model discloses a die-cut the macropore on the panel beating in advance, then dwindle the hole gradually and the turn-ups is tensile again, the stress relief of being convenient for, the control attenuation rate prevents that the turn-ups from tearing, and the hole precision of punching the turn-ups is also higher.
Description
Technical Field
The utility model relates to a flanging dies punches a hole, in particular to long flanging dies of thin wall sheet metal component.
Background
The punching flanging is a common sheet metal processing mode, the traditional punching flanging die is very easy to cause the flanging position to be torn when punching the long flanging of the thin-wall sheet metal part, the thinning rate of the flanging is large, and the sheet metal part to be processed by the punching flanging die is difficult to realize processing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a long hole flanging mould of thin wall sheet metal component, to the not enough of prior art.
The utility model provides a technical scheme that its technical problem adopted is: a long hole flanging die for thin-wall sheet metal parts comprises an upper die plate, a lower die plate, an upper base plate, a punch fixing plate, a supporting plate, a material pressing plate, an upper punch, a lower base plate, a material carrying plate and a hole shrinking seat, wherein the lower die plate is positioned below the upper die plate, the upper base plate is arranged at the bottom of the upper base plate, the supporting plate is arranged below the punch fixing plate, the material pressing plate is arranged below the supporting plate, the upper punch is arranged on the punch fixing plate and penetrates through the supporting plate and the material pressing plate downwards, the lower base plate is arranged on the top surface of the lower die plate, the material carrying plate is arranged at the top of the lower base plate, the hole shrinking seat is embedded in the material carrying plate, a forming hole penetrating through the hole shrinking seat is formed in the upper and lower directions, the lower punch slides up and down along the forming hole, the axis of the upper punch and the axis of the lower punch are collinear, the die is in a die assembly state, the bottom of the upper punch extends into the forming hole and abuts against the top of the lower punch, a material lifting plate is arranged above the supporting plate, a material lifting spring is connected between the bottom of the material lifting plate and the supporting plate and applies upward elastic force to the material lifting plate, the top surface of the material lifting plate is higher than the top surface of the material carrying plate in a die opening state, at least two shrinkage hole seats are arranged on the die and distributed in an arrangement mode along the feeding direction of sheet metal, the aperture of the forming holes in the shrinkage hole seats is in inverse proportion to the distance between the shrinkage hole seats and the feeding end of the die, a material lifting nitrogen cylinder is arranged at the bottom of the lower punch and is connected with the lower punch and a machine table of the punching machine and applies upward elastic force to the lower punch.
In the design, the large holes are punched in the metal plate in advance, and then the holes are gradually reduced and are flanged and stretched, so that the stress is conveniently eliminated, the thinning rate is controlled, the flanging is prevented from being torn, and the precision of the punched holes is higher.
As a further improvement of the design, a guide seat is inlaid on the pressure plate, a guide hole is formed in the guide seat, the upper punch is matched with the guide hole, the guide seat is convenient for improving the stability of the upper punch, and the aperture precision of the inner hole of the metal plate is guaranteed.
As a further improvement of the design, a punch head plate is arranged at the bottom of the lower punch, a vertical guide post is arranged on the punch head plate, and the guide post is matched with a guide hole in the lower die plate. The plate edge of the punch controls the lifting of the lower punches.
As a further improvement of the design, the edge of the top end of the forming hole is provided with an arc fillet guide edge, so that the root of the flanging is effectively prevented from being torn, and meanwhile, the flanging is guided conveniently during hole shrinkage.
The utility model has the advantages that: the utility model discloses a die-cut the macropore on the panel beating in advance, then dwindle the hole gradually and the turn-ups is tensile again, the stress relief of being convenient for, the control attenuation rate prevents that the turn-ups from tearing, and the hole precision of punching the turn-ups is also higher.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic longitudinal sectional view of the present invention.
Fig. 3 is a schematic transverse section of the present invention.
In the figure, 1, a lower die plate, 2, a punch head plate, 3, an upper die plate, 4, a lifting spring, 5, a lifting nitrogen cylinder, 6, a guide post, 7, a lower punch, 8, a support plate, 9, a lifting plate, 10, a guide seat, 11, an upper backing plate, 12, a punch fixing plate, 13, an upper punch, 14, a hole shrinkage seat, 15, a forming hole, 16, an arc-shaped fillet guide edge, 17, a lower backing plate, 18, a pressure plate, 19, a material carrying plate and 20, a guide hole are arranged.
Detailed Description
The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and the description are only for the purpose of explanation, but not for the purpose of limitation.
Example (b): a long hole flanging die for thin-wall sheet metal parts comprises an upper die plate 3, a lower die plate 1 positioned below the upper die plate 3, an upper base plate 11 arranged at the bottom of the upper die plate 3, a punch fixing plate 12 arranged at the bottom of the upper base plate 11, a supporting plate 8 arranged below the punch fixing plate 12, a pressure plate 18 arranged below the supporting plate 8, an upper punch 13 arranged on the punch fixing plate 12 and penetrating through the supporting plate 8 and the pressure plate 18 downwards, a lower base plate 17 arranged on the top surface of the lower die plate 1, a material carrying plate 19 arranged at the top of the lower base plate 17, and a hole reducing seat 14 embedded in the material carrying plate 19, wherein the hole reducing seat 14 is provided with a forming hole 15 penetrating through the hole reducing seat 14 from top to bottom, a punch 7 penetrating through the lower die plate 1, the lower base plate 17 and the hole reducing seat 14 is arranged on the lower die plate 1, and the lower punch 7 slides up and down along the forming hole 15, the axis of the upper punch 13 is collinear with the axis of the lower punch 7, the outer diameter of the bottom of the upper punch 13 is smaller than the diameter of the top hole of the forming hole 15, i.e. the mold clamping state, the bottom of the upper punch 13 extends into the forming hole 15 and abuts against the top of the lower punch 7, a material lifting plate 9 is arranged above the supporting plate 8, a material lifting spring 4 is connected between the bottom of the material lifting plate 9 and the supporting plate 8, the material lifting spring 4 exerts upward elastic force on the material lifting plate 9, the top surface of the material lifting plate 9 is higher than the top surface of the material carrying plate 19 in a mold opening state, at least two shrinkage hole seats 14 are arranged on the mold, the shrinkage cavity seats 14 are distributed along the sheet metal feeding direction in an arrayed manner, the aperture of the forming holes 15 on the shrinkage cavity seats 14 is inversely proportional to the distance between the shrinkage cavity seats 14 and the feeding end of the die, the bottom of the lower punch 7 is provided with a material lifting nitrogen cylinder 5, and the material lifting nitrogen cylinder 5 is connected with the lower punch 7 and a machine table of the punching machine and applies upward elastic force to the lower punch 7.
In the design, the large holes are punched in the metal plate in advance, and then the holes are gradually reduced and are flanged and stretched, so that the stress is conveniently eliminated, the thinning rate is controlled, the flanging is prevented from being torn, and the precision of the punched holes is higher.
As a further improvement of the design, a guide seat 10 is embedded on the pressure plate 18, a guide hole 20 is formed in the guide seat 10, the upper punch 13 is matched with the guide hole 20, the guide seat 10 is convenient for improving the stability of the upper punch 13, and the precision of the hole diameter of the inner hole of the metal plate is ensured.
As a further improvement of the design, a punch head plate 2 is arranged at the bottom of the lower punch 7, a vertical guide post 6 is arranged on the punch head plate 2, and the guide post 6 is matched with a guide hole in the lower die plate 1. The punch plate 2 controls the plurality of lower punches 7 to ascend and descend.
As a further improvement of the design, the edge of the top end of the forming hole 15 is provided with an arc fillet guide edge 16, so that the root of the flanging is effectively prevented from being torn, and meanwhile, the flanging is conveniently guided during hole shrinkage.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (4)
1. A long hole flanging die for thin-wall sheet metal parts is characterized by comprising an upper die plate, a lower die plate, an upper base plate, a punch fixing plate, a supporting plate, a pressure plate, an upper punch, a lower base plate, a material carrying plate and a hole shrinking seat, wherein the lower die plate is positioned below the upper die plate, the upper base plate is arranged at the bottom of the upper base plate, the supporting plate is arranged below the punch fixing plate, the pressure plate is arranged below the supporting plate, the upper punch is arranged on the punch fixing plate and penetrates through the supporting plate and the pressure plate downwards, the lower base plate is arranged on the top surface of the lower die plate, the material carrying plate is arranged at the top of the lower base plate, the hole shrinking seat is embedded in the material carrying plate, a forming hole penetrating through the hole shrinking seat is formed in the upper and lower directions, the lower punch penetrates through the lower die plate, the lower base plate and the hole shrinking seat, the outer diameter of the bottom of the upper punch is smaller than the aperture of the top of the forming hole, namely the die assembly state is achieved, the bottom of the upper punch extends into the forming hole and abuts against the top of the lower punch, a material lifting plate is arranged above the supporting plate, a material lifting spring is connected between the bottom of the material lifting plate and the supporting plate and applies upward elastic force to the material lifting plate, the top surface of the material lifting plate is higher than the top surface of the material carrying plate in the die assembly state, at least two shrinkage hole seats are arranged on the die and distributed in a metal plate feeding direction, the aperture of the forming holes in the shrinkage hole seats is in inverse proportion to the distance between the shrinkage hole seats and the feeding end of the die, a material lifting nitrogen cylinder is arranged at the bottom of the lower punch and is connected with the machine table of the punch and applies upward elastic force to the lower punch.
2. The long flanging die for the thin-wall sheet metal part according to claim 1, wherein a guide seat is embedded in the pressure plate, a guide hole is formed in the guide seat, and the upper punch is matched with the guide hole.
3. The long flanging die for the thin-wall sheet metal part according to claim 1, wherein a punch head plate is arranged at the bottom of the lower punch, vertical guide posts are arranged on the punch head plate, and the guide posts are matched with guide holes in the lower template.
4. The long flanging die for the thin-wall sheet metal part according to claim 1, wherein the top edge of the forming hole is provided with an arc-shaped fillet guide edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921732877.4U CN210702094U (en) | 2019-10-16 | 2019-10-16 | Long hole flanging die for thin-wall sheet metal part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921732877.4U CN210702094U (en) | 2019-10-16 | 2019-10-16 | Long hole flanging die for thin-wall sheet metal part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210702094U true CN210702094U (en) | 2020-06-09 |
Family
ID=70955517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921732877.4U Active CN210702094U (en) | 2019-10-16 | 2019-10-16 | Long hole flanging die for thin-wall sheet metal part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210702094U (en) |
-
2019
- 2019-10-16 CN CN201921732877.4U patent/CN210702094U/en active Active
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