CN214290442U - Storage tank top cover die - Google Patents
Storage tank top cover die Download PDFInfo
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- CN214290442U CN214290442U CN202120331190.0U CN202120331190U CN214290442U CN 214290442 U CN214290442 U CN 214290442U CN 202120331190 U CN202120331190 U CN 202120331190U CN 214290442 U CN214290442 U CN 214290442U
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Abstract
A storage tank top cover mould comprises a mould panel and a bottom bracket; the mold profile plate comprises a profile portion and an end surface portion; the molded surface part is a concave curved plate with a circular outer edge; the end surface part is flat, the inner edge of the end surface part is fixedly connected with the outer edge of the profile part, the outer edge of the end surface part is in a regular octagon shape, and the symmetric centers of the profile part and the end surface part are overlapped; the bottom bracket comprises a rib plate, a bottom plate and a side plate; the side edges of the side plates are connected in sequence; a connecting line between the symmetrical center of the end surface part and the symmetrical center of the bottom plate is vertical to the plane of the bottom plate; the upper edges of the side plates and the rib plates are both connected with a die profile plate, and the side plates and the rib plates are both vertically connected with the bottom plate; the rib plates are in parallel or vertical relation, and all the rib plates are distributed in central symmetry; through holes are arranged on the rib plate, the side plate and the bottom plate. The utility model provides an among the creep age forming process because the unsuitable a series of problems that lead to influencing the work piece performance of mould.
Description
Technical Field
The utility model belongs to the technical field of advance manufacturing, concretely relates to storage tank top cap mould.
Background
The creep age forming technology is a novel forming technology which ingeniously combines the creep behavior and the aging strengthening behavior of metal, utilizes the creep deformation of a metal material under the combined action of artificial aging temperature and elastic stress to obtain a component with a certain shape, and has the advantages of small damage, high forming precision, small residual stress, good repeatability and the like. With the continuous progress of China's industry, China's aerospace technology is rapidly developed, and the creep age forming technology is continuously advanced, so that the creep age forming technology becomes an indispensable large-scale wall plate forming technology in the field of aerospace product manufacturing. At present, creep age forming is often adopted in the process of manufacturing and forming the storage tank top cover for aerospace. An important disadvantage of the existing storage tank top cover die is that when the die is positioned in an autoclave, hot air is easy to stagnate at the bottom of the center, so that the heat flow distribution is uneven, the condition of thermal coupling is poor, and the performance of a formed workpiece has certain unevenness, thereby possibly causing that a finished workpiece cannot meet the design requirement. The existing mold is inconvenient to position by ten parts, the operation such as measuring the angle on the side surface of the mold is inconvenient by ten parts due to the large size of the mold, the processing process is complex, and the cost is high. Affecting the experimental rate.
It is therefore desirable to design a new tank header mold.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a storage tank top cover mould to solve the problems that when the existing storage tank top cover mould provided in the background art is positioned in an autoclave, hot air is easy to be stagnated at the bottom of the center, so that the heat flow distribution is uneven, the condition of thermal coupling is poor, and the performance of a formed workpiece has certain unevenness, so that the finished workpiece can not meet the design requirement possibly; the existing mould is inconvenient to position ten times, and the operations such as measuring and measuring angles on the side surface of the mould are inconvenient to ten times due to the large size of the mould, the processing process is complex, and the cost is high; and also problems affecting the experimental rate.
In order to achieve the purpose, the utility model provides a storage tank top cover mold, which comprises a mold panel used for forming a storage tank top cover and a bottom bracket arranged below the mold panel and used for supporting and radiating;
the mould profile plate comprises a profile part positioned in the center of the mould profile plate and an end surface part surrounding the outer side of the profile part;
the molded surface part is a concave curved plate with a circular outer edge; the end surface part is flat, the inner edge of the end surface part is fixedly connected with the outer edge of the profile part, the outer edge of the end surface part is in a regular octagon shape, and the symmetric centers of the profile part and the end surface part are overlapped;
the bottom support comprises a rib plate, a bottom plate with the outer edge in a regular octagon shape and eight side plates; the upper edges of the eight side plates are connected with the lower plate surface of the end surface part, the lower edges of the eight side plates are fixedly connected with the eight sides of the bottom plate respectively, and the side edges of the eight side plates are fixedly connected in sequence; the bottom plate is arranged in parallel with the end face part, and the rib plate and the eight side plates are perpendicular to the plane of the bottom plate; a connecting line between the symmetrical center of the end surface part and the symmetrical center of the bottom plate is vertical to the plane of the bottom plate; the side edges of the rib plates are connected with the side edges of the side plates or the symmetrical center line of the plate surface in the vertical direction, the upper edges of the rib plates are connected with the lower plate surface of the die type panel, and the lower edges of the rib plates are connected with the upper plate surface of the bottom plate; the rib plates are in parallel or vertical relation, and all the rib plates are distributed in central symmetry by taking a connecting line between the symmetrical center of the end face part and the symmetrical center of the bottom plate as a center;
rib plate through holes with the ventilation volume of more than 60% are symmetrically formed in the rib plates; the eight side plates are symmetrically provided with side plate through holes with the ventilation volume of more than 60%; the bottom plate is symmetrically provided with bottom plate through holes with ventilation volume reaching more than 60%.
In a particular embodiment, the mould-type panel is integrally formed.
In a specific embodiment, the rib plate through hole and the side plate through hole are square through holes with round corners.
In a specific embodiment, two side plate through holes with the same size are symmetrically distributed on each side plate.
In a specific embodiment, a base plate is further arranged below the bottom plate, and the base plate is symmetrically distributed by taking the symmetric center of the bottom plate as the center.
In a specific embodiment, the rib plates and the upper edges of the side plates are respectively provided with semicircular welding ventilation through holes, and the welding ventilation through holes are uniformly and symmetrically distributed by taking the symmetric center of the end face part as a center.
In a specific embodiment, the rib plates, the bottom plate and the side plates are all steel plates with the thickness of 8-12 mm.
In a specific embodiment, the die-type panel is a steel plate with the thickness of 16-20 mm.
In a specific implementation mode, rib plate through holes with ventilation volume of more than 70% are symmetrically formed in the rib plates; the eight side plates are symmetrically provided with side plate through holes with the ventilation volume of more than 70 percent; and the bottom plate is symmetrically provided with bottom plate through holes with ventilation volume reaching more than 70%.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides an among the creep age forming process because the unsuitable a series of problems that lead to influencing the work piece performance of mould, specifically, solved the stagnation problem of thermal current, improved heating power coupling condition well, fix a position inconvenient problem before improving for the efficiency of experiment.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic side elevation view of an embodiment of the present invention;
fig. 2 is a schematic longitudinal sectional view of an embodiment of the present invention;
fig. 3 is a schematic bottom view in cross section of a middle portion of a bottom bracket according to an embodiment of the present invention;
fig. 4 is a top view of an embodiment of the present invention;
wherein, 1, a mould type panel; 2. a bottom bracket; 11. a profile portion; 12. an end face portion; 21. a side plate; 22. A rib plate; 23. a base plate; 24. a base plate; 25. welding a ventilation through hole; 211. a side plate through hole; 221. a rib plate through hole; 231. A bottom plate through hole.
Detailed Description
The embodiments of the invention will be described in detail hereinafter with reference to the accompanying drawings, but the invention can be implemented in many different ways, which are defined and covered by the claims.
Example 1
The utility model provides a storage tank top cover mould, which comprises a mould panel 1 for forming a storage tank top cover and a bottom bracket 2 arranged below the mould panel 1 for supporting and radiating;
the mould profile plate 1 comprises a profile part 11 positioned in the centre of the mould profile plate and an end surface part 12 surrounding the profile part 11;
the molded surface part 11 is a concave curved plate with a circular outer edge; the end surface part 12 is flat, the inner edge of the end surface part 12 is fixedly connected with the outer edge of the profile part 11, the outer edge of the end surface part 12 is in a regular octagon shape, and the symmetric centers of the profile part 11 and the end surface part 12 are overlapped;
the bottom support 2 comprises rib plates 22, a bottom plate 23 with the outer edge in a regular octagon shape and eight side plates 21; the upper edges of the eight side plates 21 are connected with the lower plate surface of the end surface part 12, the lower edges of the eight side plates 21 are fixedly connected with eight sides of the bottom plate 23 respectively, and the side edges of the eight side plates 21 are fixedly connected in sequence; the bottom plate 23 is arranged in parallel with the end face part 12, and the rib plates 22 and the eight side plates 21 are both vertical to the plane of the bottom plate 23; a connecting line between the symmetrical center of the end face part 12 and the symmetrical center of the bottom plate 23 is vertical to the plane of the bottom plate 23; the side edges of the rib plates 22 are connected with the side edges of the side plates 21 or the symmetrical center line of the plate surface in the vertical direction, the upper edges of the rib plates 22 are connected with the lower plate surface of the die-type panel 1, and the lower edges of the rib plates 22 are connected with the upper plate surface of the bottom plate 23; the rib plates 22 are in parallel or vertical relation, and all the rib plates 22 are distributed in central symmetry by taking a connecting line between the symmetric center of the end face part 12 and the symmetric center of the bottom plate 23 as a center;
rib plate through holes 221 with the ventilation volume reaching more than 60% are symmetrically arranged on the rib plates 22; the eight side plates 21 are symmetrically provided with side plate through holes 211 with the ventilation volume reaching more than 60%; the bottom plate 23 is symmetrically provided with bottom plate through holes 231 with ventilation volume reaching more than 60%.
Preferably, rib plate through holes 221 with the ventilation volume reaching more than 70% are symmetrically arranged on the rib plates 22; the eight side plates 21 are symmetrically provided with side plate through holes 211 with the ventilation volume reaching more than 70%; the bottom plate 23 is symmetrically provided with bottom plate through holes 231 with ventilation volume reaching more than 70%.
The mould-type panel 1 is integrally formed. The surface part 11 and the end face part 12 are smooth and excessive, so that the situation that the vacuum bag is cut or punctured by the non-smooth surface in a high-pressure state in the creep age forming process can be prevented, and further the forming failure of the workpiece is caused by pressure relief.
The rib plate through holes 221 and the side plate through holes 211 are square through holes with round corners. The square through hole with the round angle is attractive, and ventilation can be well guaranteed to enable heat flow to be distributed uniformly.
Each side plate 21 is symmetrically provided with two side plate through holes 211 with the same size. The surface of the side plate 21 is reserved between the two side plate through holes 211, so that the fixed connection strength between the side plate 21 and the rib plate 22 can be guaranteed, and the uniform distribution of heat flow is not influenced.
A backing plate 24 is further arranged below the bottom plate 23, and the backing plates 24 are symmetrically distributed by taking the symmetric center of the bottom plate 23 as the center. The provision of the backing plate 24 enables the bottom plate through-hole 231 to better perform the function of guiding the heat distribution.
The upper edges of the rib plates 22 and the side plates 21 are respectively provided with semicircular welding ventilation through holes 25 which are uniformly and symmetrically distributed by taking the symmetric center of the end face part 12 as the center. The welding ventilation through holes 25 are arranged, so that the welding operation between the lower plate surface of the die type panel 1 and the rib plate 22 is facilitated, and heat flow is more quickly and uniformly distributed at the bottom of the die type panel 1.
The rib plates 22, the bottom plate 23 and the side plates 21 are all steel plates with the thickness of 8-12 mm. Preferably, the rib plates 22, the bottom plate 23 and the side plates 21 are all steel plates with the thickness of 10 mm. The steel plate with the thickness can meet the basic requirements of the die on rigidity and strength, and the die is not too heavy as a whole.
The die type panel 1 is a steel plate with the thickness of 16-20 mm. Preferably, the die-type panel 1 is a steel plate having a thickness of 18 mm. When fully guaranteeing intensity and rigidity, still leave 0 ~ 6 mm's mould surplus of repairing, make things convenient for the mould to convert into more concave profile, make it avoid just becoming invalid after accomplishing this shaping, reach the purpose of using many times and practicing thrift saving.
The profile portion 11 is obtained by performing finite element modeling simulation springback compensation calculation on the target workpiece.
The foregoing is a more detailed description of the invention, taken in conjunction with the specific preferred embodiments, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions and replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (9)
1. The storage tank top cover mold is characterized by comprising a mold type panel (1) for forming a storage tank top cover and a bottom support (2) arranged below the mold type panel (1) for supporting and radiating;
the mould profile plate (1) comprises a profile part (11) positioned in the centre of the mould profile plate and an end surface part (12) surrounding the outer side of the profile part (11);
the molded surface part (11) is a concave curved plate with a circular outer edge; the end surface part (12) is flat, the inner edge of the end surface part (12) is fixedly connected with the outer edge of the profile part (11), the outer edge of the end surface part (12) is in a regular octagon shape, and the symmetry centers of the profile part (11) and the end surface part (12) are superposed;
the bottom support (2) comprises rib plates (22), a bottom plate (23) with the outer edge in a regular octagon shape and eight side plates (21); the upper edges of the eight side plates (21) are connected with the lower plate surface of the end surface part (12), the lower edges of the eight side plates (21) are fixedly connected with eight sides of the bottom plate (23) respectively, and the side edges of the eight side plates (21) are fixedly connected in sequence; the bottom plate (23) is arranged in parallel with the end face part (12), and the rib plates (22) and the eight side plates (21) are perpendicular to the plane of the bottom plate (23); a connecting line between the symmetrical center of the end surface part (12) and the symmetrical center of the bottom plate (23) is vertical to the plane of the bottom plate (23); the side edges of the rib plates (22) are connected with the side edges of the side plates (21) or the symmetrical center line of the plate surface in the vertical direction, the upper edges of the rib plates (22) are connected with the lower plate surface of the die-shaped panel (1), and the lower edges of the rib plates (22) are connected with the upper plate surface of the bottom plate (23); the rib plates (22) are in parallel or vertical relation, and all the rib plates (22) are distributed in central symmetry by taking a connecting line between the symmetrical center of the end surface part (12) and the symmetrical center of the bottom plate (23) as a center;
rib plate through holes (221) with the ventilation volume of more than 60 percent are symmetrically arranged on the rib plates (22); the eight side plates (21) are symmetrically provided with side plate through holes (211) with the ventilation volume of more than 60%; and the bottom plate (23) is symmetrically provided with bottom plate through holes (231) with the ventilation volume of more than 60%.
2. A tank header mould according to claim 1, characterised in that the mould profile plate (1) is integrally formed.
3. The tank cap mold according to claim 1, wherein the rib plate through holes (221) and the side plate through holes (211) are square through holes with rounded corners.
4. The tank header mold according to claim 1, wherein each of the side plates (21) is symmetrically provided with two side plate through holes (211) having the same size.
5. The tank cap mold according to claim 1, wherein a backing plate (24) is further provided below the bottom plate (23), and the backing plates (24) are symmetrically distributed centering on the center of symmetry of the bottom plate (23).
6. The tank cap mold according to claim 1, wherein the rib plates (22) and the side plates (21) are provided at upper edges thereof with semi-circular welding ventilation through holes (25) which are uniformly and symmetrically distributed around the center of symmetry of the end surface portion (12).
7. The storage box top cover die according to claim 1, wherein the rib plates (22), the bottom plate (23) and the side plates (21) are all steel plates with the thickness of 8-12 mm.
8. The tank header mold according to claim 1, wherein the mold-type panel (1) is a steel plate having a thickness of 16 to 20 mm.
9. The storage tank top cover die according to claim 1, wherein rib plate through holes (221) with ventilation volume of more than 70% are symmetrically formed in the rib plates (22); the eight side plates (21) are symmetrically provided with side plate through holes (211) with the ventilation volume of more than 70%; and the bottom plate (23) is symmetrically provided with bottom plate through holes (231) with the ventilation volume of more than 70%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120331190.0U CN214290442U (en) | 2021-02-05 | 2021-02-05 | Storage tank top cover die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120331190.0U CN214290442U (en) | 2021-02-05 | 2021-02-05 | Storage tank top cover die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214290442U true CN214290442U (en) | 2021-09-28 |
Family
ID=77833335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120331190.0U Active CN214290442U (en) | 2021-02-05 | 2021-02-05 | Storage tank top cover die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214290442U (en) |
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2021
- 2021-02-05 CN CN202120331190.0U patent/CN214290442U/en active Active
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