CN216729344U - Flash trimming die of die forging - Google Patents
Flash trimming die of die forging Download PDFInfo
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- CN216729344U CN216729344U CN202220441243.9U CN202220441243U CN216729344U CN 216729344 U CN216729344 U CN 216729344U CN 202220441243 U CN202220441243 U CN 202220441243U CN 216729344 U CN216729344 U CN 216729344U
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Abstract
The utility model relates to flash trimming, in particular to a flash trimming die of a die forging, which is convenient and labor-saving to operate and high in cutting efficiency. The device comprises an upper die and a lower die, wherein the upper die is arranged above the lower die; the upper die comprises an upper top plate, a pull rod, an upper trimming male die and a blank pressing die, wherein the shape of the bottom surface of the upper trimming male die is matched with that of a die forging piece, the upper trimming male die is arranged on the bottom surface of the upper top plate, an upper cushion plate is arranged on the outer ring of the bottom surface of the upper top plate, which is positioned on the upper trimming male die, stepped through holes capable of preventing the pull rod from moving downwards are formed in the upper cushion plate at intervals, through holes corresponding to the through holes of the upper cushion plate are formed in the upper top plate, the top ends of the pull rods are all arranged in the through holes of the upper cushion plate, and the bottom ends of the pull rods are all connected with the blank pressing die; the lower die comprises a lower trimming female die and a supporting seat. According to the utility model, the upper trimming punch and the lower trimming punch are used for clamping the flash, and the upper trimming punch is used for pressing the die forging downwards, so that the flash is cut off flatly, the appearance quality is good, and no or less burrs are formed on the surface.
Description
Technical Field
The utility model relates to flash trimming, in particular to a flash trimming die of a die forging, which is convenient and labor-saving to operate and high in cutting efficiency.
Background
At present, valve products on an oil extraction tree mostly adopt a free forging or common die forging forming mode, a forged piece of the valve has a large cost defect, firstly, the surface quality of the forged piece of the valve is uneven, and convex edges on the surface need to be removed in a machining mode so as to reach the standard of qualified appearance, and the labor cost and the raw material cost of machining are increased. The forging of the valve formed by adopting the die forging mode has the size similar to the appearance of a part product and better appearance quality advantage, but has larger flashes, the existing mode of cutting off the flashes in a factory is a flame cutting mode and a trimming die cutting mode, flanges are arranged in four directions, the flashes of the die forging product are larger, the flame cutting efficiency is low, manpower is wasted, the conventional trimming die can leave larger burrs on the final forging product, and the surface treatment of the later-stage forging and the progress of the machining process are difficult to influence.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems, and provides the flash trimming die of the die forging, which is convenient and labor-saving to operate and high in cutting efficiency.
The utility model solves the problems and adopts the technical scheme that:
a flash trimming die of a die forging comprises an upper die and a lower die, wherein the upper die is arranged above the lower die; the upper die comprises an upper top plate, a pull rod, an upper trimming male die and a blank pressing die, the shape of the bottom surface of the upper trimming male die is matched with that of a die forging piece, the upper trimming male die is installed on the bottom surface of the upper top plate, a top rod body in the pull rod is thicker than the rest rod bodies, an upper base plate is arranged on the outer ring of the upper trimming male die on the bottom surface of the upper top plate, stepped through holes capable of preventing the pull rod from moving downwards are formed in the upper base plate at intervals, through holes corresponding to the through holes of the upper base plate are formed in the upper top plate, the top ends of the pull rods are all arranged in the through holes of the upper base plate, the bottom ends of the pull rods are all connected with the blank pressing die, and die springs are all sleeved on the pull rods; the lower die comprises an undercut female die and a supporting seat, the inner contour shape of the undercut female die is matched with the die forging, and the undercut female die is arranged on the top surface of the supporting seat.
Compared with the prior art, the utility model adopting the technical scheme has the outstanding characteristics that:
the trimming die has the advantages that the trimming die is clamped through the trimming die and the lower trimming female die, the phenomenon that the trimming is bent upwards in the trimming process is avoided, the die forging is pressed downwards through the upper trimming male die, the trimming is cut off smoothly, the appearance quality is good, no burrs or few burrs exist on the surface, the production efficiency is greatly improved, and the labor cost input is reduced.
The device has simple structure and convenient operation and use.
Preferably, the further technical scheme of the utility model is as follows:
the upper trimming convex die is connected with the upper top plate through a screw.
Drawings
FIG. 1 is a schematic cross-sectional view of a mold according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a mold according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a lower mold according to an embodiment of the present invention;
FIG. 4 is a schematic side view of a lower mold according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a die forging in a front view according to an embodiment of the utility model;
FIG. 6 is a schematic side view of a die forging according to an embodiment of the utility model;
FIG. 7 is a schematic top view of a die forging according to an embodiment of the utility model;
FIG. 8 is a schematic perspective view of a die forging according to an embodiment of the utility model;
FIG. 9 is a schematic cross-sectional view of a mold in a first step of an embodiment of the present invention;
FIG. 10 is a side view of a first step upper mold in accordance with an embodiment of the present invention;
FIG. 11 is a schematic cross-sectional view of a lower mold in a first step of an embodiment of the present invention;
FIG. 12 is a schematic side view of a bottom mold in a first step of an embodiment of the present invention;
FIG. 13 is a schematic cross-sectional view of the mold at a second step of an embodiment of the present invention;
FIG. 14 is a side view of the upper mold in a second step of an embodiment of the present invention;
FIG. 15 is a schematic sectional view of the lower mold in the second step of the embodiment of the present invention;
FIG. 16 is a side view of a second step lower mold in accordance with an embodiment of the present invention;
FIG. 17 is a schematic cross-sectional view of the third step of the embodiment of the present invention;
FIG. 18 is a schematic side view of the third step of the embodiment of the present invention;
FIG. 19 is a schematic sectional view showing the whole of the fourth step of the embodiment of the present invention;
FIG. 20 is a schematic side view of an embodiment of the present invention illustrating a fourth step;
FIG. 21 is a schematic cross-sectional view of the mold at the fifth step of the embodiment of the present invention;
FIG. 22 is a schematic side view of a mold in a fifth step of the example embodiment;
FIG. 23 is a schematic cross-sectional view of a mold in a fifth step of the embodiment of the present invention;
FIG. 24 is a schematic side view of a bottom mold in the fifth step of the method according to the embodiment of the utility model.
In the figure: an upper top plate 1; an upper backing plate 2; a die spring 3; an edge pressing die 4; a lower trimming female die 5; a support base 6; a locking screw 7; an upper trimming male die 8; a pull rod 9; a die forging 10.
The specific implementation mode is as follows:
the utility model will be further illustrated by the following examples, which are intended only for a better understanding of the present invention and therefore do not limit the scope of the utility model.
Referring to fig. 1 to 8, a flash trimming die for a die forging 10 includes an upper die and a lower die, wherein the upper die is disposed above the lower die; the upper die comprises an upper top plate 1, a pull rod 9, an upper trimming male die 8 and a blank pressing die 4, wherein the shape of the bottom surface of the upper trimming male die 8 is matched with that of a die forging 10, the upper trimming male die 8 is fixed on the bottom surface of the upper top plate 1 through a locking screw 7, a top rod body in the pull rod 9 is thicker than the rest rod body, an upper backing plate 2 is mounted on the outer ring of the upper trimming male die 8 on the bottom surface of the upper top plate 1, stepped through holes capable of preventing the pull rod 9 from moving downwards are formed in the upper backing plate 2 at intervals, through holes corresponding to the through holes of the upper backing plate 2 are formed in the upper top plate 1, the top ends of the pull rods 9 are all arranged in the through holes of the upper backing plate 2, the bottom ends of the pull rods are all connected with the blank pressing die 4, and die springs 3 are sleeved on the pull rods 9; the lower die comprises a lower trimming female die 5 and a supporting seat 6, the inner contour shape of the lower trimming female die 5 is matched with that of a die forging 10, and the lower trimming female die 5 is arranged on the top surface of the supporting seat 6.
When in use, in the first step, referring to fig. 9 to 12, the upper die is connected with the press movable beam, the supporting seat 6 of the lower die is placed on the upper surface of the press lower backing beam and fixed, and the centers of the upper die and the lower die are adjusted; secondly, referring to fig. 13 to 16, a die forging 10 which is just formed in the previous step and has flash is clamped and placed in a cavity of the lower trimming female die 5 by a manipulator; thirdly, referring to fig. 17 and 18, the upper top plate 1 is driven to move downwards by the movable beam of the press, and the flash is pressed by the edge pressing die 4 through the pressure load applied by the die spring 3; fourthly, referring to fig. 19 and 20, the movable beam of the press continues to move downwards, the upper trimming male die 8 is contacted with the forged piece, and load is applied to separate the forged piece from the flash; and fifthly, returning a press moving beam, and taking away the cut flash and the product forged piece to finish the trimming process, with reference to fig. 21 to 24.
According to the utility model, the upper trimming punch 8 is used for pressing the die forging 10 downwards, so that the flash is smoothly cut off, the appearance quality is good, no or less burrs are formed on the surface, the production efficiency is greatly improved, the labor cost input is reduced, the device structure is simple, and the operation and the use are convenient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (2)
1. The utility model provides a overlap side cut mould of die forging which characterized in that: the device comprises an upper die and a lower die, wherein the upper die is arranged above the lower die; the upper die comprises an upper top plate, a pull rod, an upper trimming male die and a blank pressing die, the shape of the bottom surface of the upper trimming male die is matched with that of a die forging piece, the upper trimming male die is installed on the bottom surface of the upper top plate, a top rod body in the pull rod is thicker than the rest rod bodies, an upper base plate is arranged on the outer ring of the upper trimming male die on the bottom surface of the upper top plate, stepped through holes capable of preventing the pull rod from moving downwards are formed in the upper base plate at intervals, through holes corresponding to the through holes of the upper base plate are formed in the upper top plate, the top ends of the pull rods are all arranged in the through holes of the upper base plate, the bottom ends of the pull rods are all connected with the blank pressing die, and die springs are all sleeved on the pull rods; the lower die comprises an undercut female die and a supporting seat, the inner contour shape of the undercut female die is matched with the die forging, and the undercut female die is arranged on the top surface of the supporting seat.
2. The flash trimming die of die forgings according to claim 1, characterized in that: the upper trimming convex die is connected with the upper top plate through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220441243.9U CN216729344U (en) | 2022-03-03 | 2022-03-03 | Flash trimming die of die forging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220441243.9U CN216729344U (en) | 2022-03-03 | 2022-03-03 | Flash trimming die of die forging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216729344U true CN216729344U (en) | 2022-06-14 |
Family
ID=81920646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220441243.9U Active CN216729344U (en) | 2022-03-03 | 2022-03-03 | Flash trimming die of die forging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216729344U (en) |
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2022
- 2022-03-03 CN CN202220441243.9U patent/CN216729344U/en active Active
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