CN210358765U - Internal high-pressure forming die - Google Patents
Internal high-pressure forming die Download PDFInfo
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- CN210358765U CN210358765U CN201921046151.5U CN201921046151U CN210358765U CN 210358765 U CN210358765 U CN 210358765U CN 201921046151 U CN201921046151 U CN 201921046151U CN 210358765 U CN210358765 U CN 210358765U
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Abstract
The utility model belongs to the technical field of internal high pressure forming, and relates to an internal high pressure forming die; the lower die comprises a lower cavity plate, a lower cavity guide block, a shaft guide seat, a lower inclined block, a lower convex die guide shaft and a lower convex die; a spring is sleeved on the lower convex die guide shaft, one end of the lower convex die guide shaft is connected with the lower convex die, and the other end of the lower convex die guide shaft penetrates through the lower convex die guide block to be connected with the lower inclined block; the lower inclined block is arranged on the shaft guide seat; the upper die comprises an upper sizing block, an upper die plate, an upper inclined block, an upper cavity plate and an upper convex die; the upper cavity plate is connected with the upper sizing block, and the upper male die and the upper inclined block are embedded in the upper template; the device also comprises a water sealing mechanism; the water sealing mechanism comprises a flange, a water shaft and a guide head; the left flange and the right flange are connected with a left oil cylinder and a right oil cylinder of the hydraulic machine, a water injection pipe of the water injection machine is connected with a water shaft at one side, and a guide head is inserted into a preformed workpiece through a guide block of a lower cavity; the utility model is easy to realize the complex surface of the shell; high efficiency and environmental protection, and the linkage of a common hydraulic press and a supercharger, and one-step molding.
Description
Technical Field
The utility model belongs to the technical field of interior high-pressure shaping, a interior high-pressure forming die is related to.
Background
In the prior hydraulic forming process, the surface of a workpiece with a medium-thin wall has small variation, the wall is thin, the surface is complex, the workpiece is overlong, and the like, so that the workpiece cannot be directly formed by hydraulic pressure or punching in the punching process.
SUMMERY OF THE UTILITY MODEL
Due to the fact that the hollow thin-wall workpiece is adopted, the problems that the deformation of the workpiece is too large, the workpiece is damaged and the like can be caused in the process of direct stamping, and therefore qualified products cannot be produced. The utility model discloses a highly compressed mode in adopting behind the hydraulic pressure preforming, the work piece makes work piece and upper and lower die cavity laminating under the effect of inside inflation power to produce required shape and pattern.
In order to solve the above technical problem, the present invention adopts the following technical solution, which is described below with reference to the accompanying drawings:
the utility model provides an interior high-pressure forming die, includes mould and lower mould, its characterized in that: the lower die comprises a lower die plate 3, a lower cavity plate 5, a lower cavity guide block 6, a shaft guide seat 8, a lower inclined block 9, a lower convex die guide block 10, a lower convex die guide shaft 11 and a lower convex die 12;
a spring is sleeved on the lower punch guide shaft 11, one end of the lower punch guide shaft 11 is connected with the lower punch 12, and the other end of the lower punch guide shaft 11 penetrates through the lower punch guide block 10 to be connected with the lower inclined block 9; the lower inclined block 9 is arranged on the shaft guide seat 8, and the shaft guide seat 8 is fixed on the lower template 3;
the upper die comprises an upper sizing block 15, an upper die plate 16, an upper inclined block 19, an upper cavity plate 20 and an upper male die 21;
the upper cavity plate 20 is connected with the upper sizing block 15 through a material returning bolt, and an upper male die 21 and an upper inclined block 19 are embedded in the upper template 16; when the upper die and the lower die are closed and pressed tightly, the upper die plate pushes the upper male die, and when the upper cavity plate 20 and the lower cavity plate 5 are closed, a cavity is formed.
The inner high-pressure forming die further comprises a water sealing mechanism; the water sealing mechanism comprises a flange 24, a water shaft 25 and a guide head 27; the left flange 24 and the right flange 24 are connected with the left oil cylinder and the right oil cylinder of the hydraulic press, the water injection pipe of the water injection machine is connected with a water shaft 25 at one side, and a guide head 27 is inserted into a pre-forming workpiece through a lower cavity guide block 6.
In the technical scheme, the left and the right of the water sealing mechanism are provided with two sets.
In the technical scheme, two sets of shaft guide seats 8, lower inclined blocks 9, lower punch guide blocks 10, lower punch guide shafts 11 and lower punches 12 are arranged on the left and right.
In the technical scheme, the upper inclined block 19 is arranged in two left and right.
Compared with the prior art, the beneficial effects of the utility model are that:
1. complex surfaces of the housing are easily achieved.
2. High efficiency and environmental protection, and the linkage of a common hydraulic press and a supercharger, and one-step molding.
Drawings
The invention will be further described with reference to the accompanying drawings:
FIG. 1 is a diagram of the product of the present invention;
FIG. 2 is a schematic view of an internal high pressure water expander;
fig. 3a is a first overall structure diagram of the internal high-pressure forming die of the present invention;
fig. 3b is a second overall structure diagram of the internal high-pressure forming die of the present invention;
fig. 3c is a third overall structure diagram of the internal high-pressure forming die of the present invention;
fig. 3d is a fourth overall structure diagram of the internal high-pressure forming die of the present invention;
fig. 4a is a schematic view of a lower die structure of the internal high-pressure forming die of the present invention;
fig. 4b is a schematic view of the lower die structure of the internal high-pressure forming die of the present invention;
fig. 5a is a schematic structural view of the upper die of the internal high-pressure forming die of the present invention;
fig. 5b is a schematic structural view of the upper die of the internal high-pressure forming die of the present invention;
fig. 5c is a schematic view of the connection relationship between the upper mold and the inner high-pressure forming mold according to the present invention;
fig. 6a is a schematic view of a water sealing mechanism of the internal high-pressure forming die of the present invention;
fig. 6b is a schematic view of a water sealing mechanism of the internal high-pressure forming die of the present invention;
in the figure: 1. a base plate; 2. a lower sizing block; 3. a lower template; 4. a lower guard plate; 5. a lower cavity plate; 6. a lower cavity guide block; 7. A lower backup plate; 8. a shaft guide seat; 9. a lower inclined block; 10. a lower punch guide block; 11. a lower punch guide shaft; 12. a lower male die; 13. A spring and a material returning bolt A; 14. an upper connecting plate; 15. an upper sizing block; 16. mounting a template; 17. an upper guard plate; 18. an upper backup plate; 19. an upper inclined block; 20. an upper cavity plate; 21. an upper male die; 22. a guide post; 23. a spring and a material returning bolt B; 24. a flange; 25. a water shaft; 26. a seal ring; 27. a guide head.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
an internal high-pressure forming die comprises an upper die and a lower die, wherein the lower die comprises a lower die plate 3, a lower cavity plate 5, a lower cavity guide block 6, a shaft guide seat 8, a lower inclined block 9, a lower convex die guide block 10, a lower convex die guide shaft 11, a lower convex die 12, a spring and a material returning bolt 13;
two sets of shaft guide seats 8, lower inclined blocks 9, lower punch guide blocks 10, lower punch guide shafts 11 and lower punches 12 are arranged on the left and right;
a spring is sleeved on the lower punch guide shaft 11, one end of the lower punch guide shaft 11 is connected with the lower punch 12, and the other end of the lower punch guide shaft 11 penetrates through the lower punch guide block 10 to be connected with the lower inclined block 9; the lower inclined block 9 is arranged on the shaft guide seat 8, and the shaft guide seat 8 is fixed on the lower template 3;
the upper die comprises an upper sizing block 15, an upper die plate 16, an upper inclined block 19, an upper cavity plate 20 and an upper male die 21;
the upper cavity plate 20 is connected with the upper sizing block 15 through a material returning bolt, and an upper male die 21 and an upper inclined block 19 are embedded in the upper template 16; two upper inclined blocks 19 are arranged on the left and right;
when the upper die and the lower die are closed and pressed tightly, the upper die plate pushes the upper male die, when the upper cavity plate 20 and the lower cavity plate 5 are closed, a cavity is formed, a workpiece is in the cavity, and the upper inclined block pushes the lower inclined block to perform the workpiece;
the inner high-pressure forming die also comprises a water sealing mechanism; two sets of water sealing mechanisms are arranged on the left and right, and each water sealing mechanism comprises a flange 24, a water shaft 25 and a guide head 27; the left flange 24 and the right flange 24 are connected with the left oil cylinder and the right oil cylinder of the hydraulic press, the water injection pipe of the water injection machine is connected with a water shaft 25 at one side, and a guide head 27 is inserted into a pre-forming workpiece through a lower cavity guide block 6.
Referring to fig. 3a, the internal high pressure forming mold includes an upper mold and a lower mold;
referring to fig. 4a and 4b, the lower die of the internal high-pressure forming die comprises a bottom plate 1, a lower iron pad 2, a lower die plate 3, a lower guard plate 4, a lower cavity plate 5, a lower cavity guide block 6, a lower backup plate 7, a shaft guide seat 8, a lower inclined block 9, a lower punch guide block 10, a lower punch guide shaft 11, a lower punch 12, a spring and a material returning bolt 13;
the left and right sides of the lower backup plate 7, the shaft guide seat 8, the lower inclined block 9, the lower punch guide block 10, the lower punch guide shaft 11, the lower punch 12, the spring and the material returning bolt 13 are provided with two sets;
two lower cavity guide blocks 6 are arranged at two ends of the lower cavity plate;
the spring is sleeved on a lower punch guide shaft 11, one end of the lower punch guide shaft 11 is connected with a lower punch 12, and the other end of the lower punch guide shaft 11 penetrates through a lower punch guide block 10 to be connected with a lower inclined block 9; the lower inclined block 9 is arranged on the shaft guide seat 8, and the shaft guide seat 8 is fixed on the lower template 3;
referring to fig. 5a, 5B and 5c, the upper die of the internal high-pressure forming die comprises an upper connecting plate 14, an upper sizing block 15, an upper die plate 16, an upper guard plate 17, an upper backup plate 18, an upper inclined block 19, an upper cavity plate 20, an upper male die 21, a guide pillar 22, a spring and a material returning bolt B23;
the upper cavity plate 20 is connected with the upper sizing block 15 through a material returning bolt, and an upper male die 21 and an upper inclined block 19 are embedded in the upper template 16; two upper inclined blocks 19 are arranged on the left and right;
referring to fig. 6a and 6b, the water sealing mechanism of the internal high pressure forming die of the present invention is shown; the water sealing mechanism consists of a flange 24, a water shaft 25, a sealing ring 26 and a guide head 27.
The utility model discloses a mechanism realizes like this: the mould is placed at the corresponding position of the hydraulic press, and the upper connecting plate 14 is connected with a movable plate of the hydraulic press. And placing the workpiece in the die opening state of the hydraulic press, and then, pressing down a movable plate of the hydraulic press. The upper cavity plate 20 is connected with the upper sizing block 15 through a material returning bolt.
Referring to fig. 3a, 3b, 3c and 3d, during the pressing process of the hydraulic press, the upper cavity plate 20 is firstly clamped with the lower cavity plate 5 by the pressure of the spring, so as to achieve the effect of pre-pressing the pipe fitting, and meanwhile, the upper mold plate 16 continues to move downwards. Since the upper punch 21 and the upper swash block 19 are embedded in the upper die plate 16, they also move downward at the same time. The upper sloping block 19 will contact with the lower sloping block 9 during the downward movement and cause the lower sloping block 9 to displace laterally (oblique wedge principle) until the upper die plate 16 and the upper cavity plate 20 are fully closed, the hydraulic press stops moving downward, and the die is fully closed.
Referring to fig. 2, 3a, 3b, 3c, 3d, 6a and 6b, the left and right blocking flanges 24 of the mold are connected with the left and right cylinders of the hydraulic machine, the water injection pipe of the water injection machine is connected with the water shaft 25, the left and right cylinders of the hydraulic machine drive the water blocking mechanism to move towards the center, and simultaneously the water injection machine starts low-pressure water injection to discharge air in the pipe fitting, and after the sealing ring 26 completely enters the pipe fitting, the water injection machine starts high-pressure water injection to mold the pipe fitting. And (4) after molding, releasing pressure by the water injector, withdrawing the left oil cylinder and the right oil cylinder, lifting the hydraulic press moving plate, and operating the next pipe fitting.
The summary of working principle:
1. closing and pressing an upper die and a lower die of the hydraulic machine, pushing an upper male die by an upper template and pushing a lower inclined block by an upper inclined block to perform a workpiece;
2. pushing the left and right plugs to basically seal the workpiece;
3. the booster is used for pre-pressurizing to enable the workpiece to be filled with liquid and air in the workpiece to be discharged;
4. continuously advancing the left and right water sealing structures until the workpiece is completely sealed;
5. the supercharger is adjusted to working pressure to form the workpiece;
6. and returning the pressure relief and water sealing structure, separating the upper die from the lower die, and taking out the workpiece to finish the work.
Claims (5)
1. The utility model provides an interior high-pressure forming die, includes mould and lower mould, its characterized in that: the lower die comprises a lower die plate (3), a lower cavity plate (5), a lower cavity guide block (6), a shaft guide seat (8), a lower inclined block (9), a lower convex die guide block (10), a lower convex die guide shaft (11) and a lower convex die (12);
a spring is sleeved on the lower punch guide shaft (11), one end of the lower punch guide shaft (11) is connected with the lower punch (12), and the other end of the lower punch guide shaft (11) penetrates through the lower punch guide block (10) to be connected with the lower inclined block (9); the lower inclined block (9) is arranged on the shaft guide seat (8), and the shaft guide seat (8) is fixed on the lower template (3);
the upper die comprises an upper sizing block (15), an upper die plate (16), an upper inclined block (19), an upper cavity plate (20) and an upper convex die (21);
the upper cavity plate (20) is connected with the upper sizing block (15) through a material returning bolt, and an upper male die (21) and an upper inclined block (19) are embedded in the upper template (16); when the upper die and the lower die are closed and pressed tightly, the upper die plate pushes the upper male die, and when the upper cavity plate (20) and the lower cavity plate (5) are closed, a cavity is formed.
2. The internal high pressure molding die of claim 1, wherein:
the inner high-pressure forming die further comprises a water sealing mechanism; the water sealing mechanism comprises a flange (24), a water shaft (25) and a guide head (27); the left flange and the right flange (24) are connected with a left oil cylinder and a right oil cylinder of the hydraulic machine, a water injection pipe of the water injection machine is connected with a water shaft (25) at one side, and a guide head (27) is inserted into a pre-forming workpiece through a guide block (6) of a lower cavity.
3. The internal high pressure molding die of claim 2, wherein:
two sets of water sealing mechanisms are arranged on the left and right sides.
4. The internal high pressure molding die of claim 1, wherein:
the left and right sets of the shaft guide seat (8), the lower inclined block (9), the lower punch guide block (10), the lower punch guide shaft (11) and the lower punch (12) are arranged.
5. The internal high pressure molding die of claim 1, wherein:
the upper inclined blocks (19) are arranged in two left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921046151.5U CN210358765U (en) | 2019-07-05 | 2019-07-05 | Internal high-pressure forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921046151.5U CN210358765U (en) | 2019-07-05 | 2019-07-05 | Internal high-pressure forming die |
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| Publication Number | Publication Date |
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| CN210358765U true CN210358765U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921046151.5U Active CN210358765U (en) | 2019-07-05 | 2019-07-05 | Internal high-pressure forming die |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112045025A (en) * | 2020-06-30 | 2020-12-08 | 中国航发南方工业有限公司 | Hydraulic bulging processing die and hydraulic bulging processing method for flange type casing outer cover |
| CN113426876A (en) * | 2021-07-17 | 2021-09-24 | 广东劦力智能科技有限公司 | Expansion die structure and pipe internal high-pressure one-step forming machine |
| CN113500129A (en) * | 2021-07-19 | 2021-10-15 | 广东劦力智能科技有限公司 | High-pressure one-step forming machine in tubular product |
-
2019
- 2019-07-05 CN CN201921046151.5U patent/CN210358765U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112045025A (en) * | 2020-06-30 | 2020-12-08 | 中国航发南方工业有限公司 | Hydraulic bulging processing die and hydraulic bulging processing method for flange type casing outer cover |
| CN113426876A (en) * | 2021-07-17 | 2021-09-24 | 广东劦力智能科技有限公司 | Expansion die structure and pipe internal high-pressure one-step forming machine |
| CN113500129A (en) * | 2021-07-19 | 2021-10-15 | 广东劦力智能科技有限公司 | High-pressure one-step forming machine in tubular product |
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