A die device for forming corrugations on a metal sheet

Abstract

The present invention provides a die-forming device for forming corrugations on a metal sheet, comprising an upper die module, a lower die module, a metal corrugated sheet, an upper die base, and a lower die base. The upper die module and the lower die module can be fixed to the upper die base and the lower die base, respectively, by rivets or latches. The upper die base and the lower die base can be fixed at a predetermined horizontal position by a device and can move relative to each other in the vertical direction. The present invention can form corrugated metal sheets in one go, thereby improving production efficiency and facilitating application in cryogenic storage tanks. Furthermore, the die-forming device can be adjusted to suit the thickness and type of the metal corrugated sheet to be processed. The width and depth between the arc and the groove can also be changed and adjusted to meet the processing needs of different types of metal corrugated sheets. The die-forming device is easy to connect to processing equipment and has a wide range of applications.

Description

Technical Field

[0001] The present invention belongs to the technical field of low-temperature liquid cargo storage, and in particular relates to a die pressing device used for forming corrugations on a metal sheet. Background Art

[0002] In recent decades, with the rapid development of my country's economy, its dependence on energy has become increasingly high, especially the use of energy-saving and environmentally friendly energy has become more and more extensive, such as the gradual shift from traditional oil to cleaner natural gas energy, and the storage technology of these energy sources is also constantly updated and developed.

[0003] A liquid storage tank is a container for storing liquids and is a common method of energy storage, particularly in oil depots and natural gas storage tanks. In pipeline transportation, they serve as the oil source connection for oil pipelines. Based on their architectural characteristics, they can be categorized as aboveground, underground, and cave tanks. Aboveground tanks are generally used for transfer depots, distribution depots, and corporate oil depots, while strategically important reserve and military oil depots often utilize cave, underground, and semi-underground tanks. Based on their material, they can be categorized into two main types: non-metallic and metal. Metal tanks are widely used due to their low cost, low leakage resistance, ease of construction, and simple maintenance.

[0004] With the continuous growth of my country's gas industry, the consumption market for low-temperature refrigerated liquefied gases represented by liquefied natural gas, liquid nitrogen, liquid hydrogen and liquid helium has increased rapidly. Among them, the storage requirements for liquid hydrogen and liquid helium are becoming increasingly higher, especially low-temperature storage.

[0005] Corrugated sheeting, a core technology in cryogenic storage tanks, currently lacks a method for mass-producing corrugated metal sheets on the domestic market. As an industrial production method capable of mass-producing corrugated sheeting with guaranteed molding results, mold production is undoubtedly the preferred choice for future mass production.

[0006] In view of this, it is very necessary to invent a die device for forming corrugations on metal sheets. Summary of the Invention

[0007] In order to solve the above technical problems, the present invention provides a die pressing device for forming corrugations on metal sheets, which can form corrugated metal sheets in one go, thereby improving production efficiency and facilitating application in low-temperature storage tanks.

[0008] A die pressing device for forming corrugations on a metal sheet comprises an upper die module, a lower die module, a metal corrugated plate, an upper die base and a lower die base. The upper die module and the lower die module can be fixed to the upper die base and the lower die base respectively by rivets or latches. The upper die base and the lower die base can be fixed at a determined horizontal position by a device and can move relative to each other in the vertical direction. When the die base and the lower die base move relative to each other in the vertical direction, it is necessary to ensure that the upper die module and the lower die module are fixed to the upper die base and the lower die base respectively by fasteners, and the fixing method can be screws, bolts, pins, etc. Different modules of the die pressing device can be connected by connecting parts or rotating parts before use. There is no specific restriction on the length and width direction. The size can be limited according to the size of the metal corrugated plate (3).

[0009] Preferably, when the upper mold base and the lower mold base move relative to each other in the vertical direction, it is necessary to ensure that the upper mold module and the lower mold module are fixed to the upper mold base and the lower mold base respectively with fasteners, and the upper mold base and the lower mold base are tightly fixed to the die power device. The fixing method can be a mold handle, a clip or a fastener.

[0010] Preferably, the upper mold module has a groove, which can be a U-shaped groove, an M-shaped groove or a groove composed of multiple grooves. At the same time, the groove can be arranged in multiple ways such as parallel, vertical or cross. Taking the M-shaped groove as an example, the M-shaped groove is composed of a second arc-shaped groove, a third arc-shaped bulge and a third arc-shaped groove, wherein the groove depth of the second arc-shaped groove and the third arc-shaped groove can be between 10mm-100mm, and the protrusion height of the third arc-shaped bulge can be between 10mm-100mm; the upper flat plate areas on both sides of the lower surface cross-section of the upper mold module can be horizontal or have a certain angle, and the specific situation is determined according to the required angle of the metal corrugated plate. A first arc is required to transition from the upper flat plate areas on both sides to the second arc-shaped groove of the upper mold, and the radius of the first arc can be between 0.5mm-30mm.

[0011] Preferably, the second arc-shaped groove of the upper mold is composed of three arcs, namely the first starting arc, the first top arc and the first end arc, and the radii of the first starting arc, the first top arc and the first end arc can be between 5mm-300mm; the third arc-shaped bulge of the upper mold is composed of the second arc, and the radius of the second arc can be between 5mm-300mm.

[0012] Preferably, the lower mold module has a protrusion in the middle, which can be a U-shaped protrusion, an M-shaped protrusion or a protrusion composed of multiple protrusions. At the same time, the protrusion can be arranged in multiple ways such as parallel, vertical or cross. Taking the M-shaped protrusion as an example, the M-shaped protrusion is composed of a first arc-shaped protrusion, a first arc-shaped groove and a second arc-shaped protrusion, wherein the protrusion height of the first arc-shaped protrusion and the second arc-shaped protrusion can be between 10mm-100mm, and the protrusion height needs to be smaller than the groove depth of the second arc-shaped groove of the upper mold and the third arc-shaped groove of the upper mold, the groove depth of the first arc-shaped groove can be between 10mm-100mm, and the groove depth needs to be greater than the protrusion height of the third arc-shaped bulge of the upper mold.

[0013] Preferably, the lower flat plate areas on both sides of the upper surface cross-section of the lower mold module can be horizontal or have a certain angle, which is determined according to the required angle of the metal corrugated plate, and the angle must be equal to the angle of the upper flat plate areas on both sides of the lower surface of the upper mold module; a second arc is required to transition from the lower flat plate areas on both sides to the first arc-shaped protrusion of the lower mold, and the radius of the second arc can be between 0.5mm-30mm, and is required to be smaller than the radius of the first arc in the upper mold module. The first arc-shaped protrusion of the lower mold consists of three arcs, namely the second starting arc, the second top arc and the second end arc. The radii of the second starting arc, the second top arc and the second end arc can be between 5mm-300mm, and it must be ensured that when the upper mold module and the lower mold module are merged, except for the upper flat plate areas on both sides of the upper mold and the lower flat plate areas on both sides of the lower mold, the other positions are not in contact.

[0014] Preferably, the side of the upper mold module needs to have a groove formed by offsetting upward from the cross-section of the lower surface of the upper mold module. The width of the groove can be between 10mm-150mm, and the depth of the groove is determined according to the thickness of the metal sheet, which can be between 0.5mm-3mm. At the same time, the place where the groove meets the plane needs to have a good transition. The length of the transition area can be between 2mm-10mm, and the transition radius can be between 0.5mm-5mm.

[0015] Preferably, the side of the lower mold module needs to have a boss that is offset upward from the cross section of the upper surface of the lower mold module. The width of the boss can be between 10mm and 150mm. The depth of the boss is determined according to the thickness of the metal sheet and can be between 0.5mm and 3mm. At the same time, the place where the boss meets the plane needs to have a good transition. The length of the transition area can be between 2mm and 10mm, and the transition radius can be between 0.5mm and 5mm.

[0016] Make sure that this radius is greater than or equal to the transition radius of the transition area between the groove and the flat surface of the upper mold module.

[0017] Preferably, the lower mold base needs to be provided with a guide column, the upper mold base 4 needs to be provided with a guide sleeve, and when the upper mold module and the lower mold module are closed, the guide column can successfully extend into the guide sleeve. The guide column and the guide sleeve need to be used in conjunction with each other, and their number must be consistent. The number can be between 2 and 20. An ejection hole needs to be opened on the lower mold base, and the position of the ejection hole needs to be located below the lower mold module. The diameter of the hole can be between 10mm and 200mm, and the number can be between 2 and 50.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] It can form corrugated metal sheets in one go, which improves production efficiency and is beneficial for application in low-temperature storage tanks. It can also be adjusted according to the thickness and type of the corrugated metal sheets to be processed.

[0020] The width and depth between the arc and the groove can also be changed and adjusted to meet the processing needs of different types of metal corrugated plates;

[0021] The die-forming device is easy to connect with processing equipment and has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the die pressing device of the present invention.

[0023] Figure 2 This is a schematic diagram of the upper module structure of the die pressing device of the present invention.

[0024] Figure 3 Schematic diagram of the cross-sectional shape of the die pressing device module of the present invention.

[0025] Figure 4 This is a schematic diagram of a thin plate formed after molding by the molding device of the present invention.

[0026] Figure 5 This is a schematic diagram of the mold closing state of the mold pressing device described in the present invention.

[0027] In the picture:

[0028] 1. Upper die module; 2. Lower die module; 3. Metal corrugated plate; 4. Upper die base; 5. Lower die base; 6. First arc-shaped protrusion; 7. First arc-shaped groove; 8. Second arc-shaped protrusion; 9. Second arc-shaped groove; 10. Third arc-shaped protrusion; 11. Third arc-shaped groove; 12. Boss; 13. Groove; 18. First arc; 19. Second arc; 20. First starting arc; 21. First top arc; 22. First ending arc; 23. Second arc; 24. Second starting arc; 25. Second top arc; 26. Second ending arc; 27. Lower groove; 28. Upper flat plate area; 29. ​​Lower flat plate area; 30. Guide column; 31. Guide sleeve; 32. Ejection hole. DETAILED DESCRIPTION

[0029] The present invention will be further described below with reference to the accompanying drawings:

[0030] Example

[0031] As attached Figure 1 To the attached Figure 5 As shown, the present invention provides a die pressing device for forming corrugations on a metal sheet, comprising an upper die module 1, a lower die module 2, a metal corrugated plate 3, an upper die base 4 and a lower die base 5. The upper die module 1 and the lower die module 2 can be fixed to the upper die base 4 and the lower die base 5 respectively by rivets or latches; the upper die base 4 and the lower die base 5 can be fixed at a certain horizontal position by a device and can move relative to each other in the vertical direction; the die base 4 and the lower die base 5 can move relative to each other in the vertical direction. When the upper die module 1 and the lower die module 2 are respectively fixed with the upper die base 4 and the lower die base 5 by fasteners, the fixing method can be screws, bolts, pins, etc.; when the upper die base 4 and the lower die base 5 are moved relative to each other in the vertical direction, it is necessary to ensure that the upper die module 1 and the lower die module 2 are respectively fixed with the upper die base 4 and the lower die base 5 by fasteners, and the upper die base 4 and the lower die base 5 are tightly fixed with the die power device, the fixing method can be a die handle, a clamp or a fastener, etc. The different modules of the die device can be connected by a connecting piece or a rotating piece and then used. There is no specific restriction on the length and width direction, and the size can be limited according to the size of the metal corrugated plate (3).

[0032] In the above embodiment, specifically, the upper mold module 1 has a groove in the middle, and the groove can be a U-shaped groove, an M-shaped groove or a groove formed by a combination of multiple grooves. At the same time, the groove can be arranged in multiple ways such as parallel, vertical or cross. Taking the M-shaped groove as an example, the M-shaped groove is composed of a second arc-shaped groove 9, a third arc-shaped convex 10 and a third arc-shaped groove 11, wherein the groove depth of the second arc-shaped groove 9 and the third arc-shaped groove 11 can be between 10mm-100mm, and the protrusion height of the third arc-shaped convex 10 can be between 10mm-100mm; the upper flat plate area 28 on both sides of the lower surface cross-section of the upper mold module 1 can be horizontal or have a certain angle, and the specific situation is determined according to the required angle of the metal corrugated plate 3. A first arc 18 is required to transition from the upper flat plate area 28 on both sides to the second arc-shaped groove 9 of the upper mold. The radius of the first arc 18 can be 0 .5mm-30mm; the second arc-shaped groove 9 of the upper mold is composed of three arcs, namely the first starting arc 20, the first top arc 21 and the first end arc 22, and the radius of the first starting arc 20, the first top arc 21 and the first end arc 22 can be between 5mm-300mm; the third arc-shaped bulge 10 of the upper mold is composed of a second arc 23, and the radius of the second arc 23 can be between 5mm-300mm.

[0033] In the above embodiment, specifically, the lower mold module 2 has a protrusion in the middle, and the protrusion can be a U-shaped protrusion, or an M-shaped protrusion or a protrusion composed of a plurality of protrusions. At the same time, the protrusion can be arranged in a variety of ways, such as parallel, vertical or cross. Taking the M-shaped protrusion as an example, the M-shaped protrusion is composed of a first arc-shaped protrusion 6, a first arc-shaped groove 7 and a second arc-shaped protrusion 8, wherein the protrusion height of the first arc-shaped protrusion 6 and the second arc-shaped protrusion 8 can be between 10mm and 100mm, and the protrusion height needs to be higher than the second arc-shaped groove 9 of the upper mold and the third arc-shaped groove 11 of the upper mold. The depth is small, the groove depth of the first arc-shaped groove 7 can be between 10mm-100mm, and the groove depth needs to be greater than the protrusion height of the third arc-shaped convex hull 10 of the upper mold; the lower flat plate area 29 on both sides of the upper surface cross-section of the lower mold module 2 can be horizontal or have a certain angle, which is determined according to the required angle of the metal corrugated plate 3. The angle must be equal to the angle of the upper flat plate area 28 on both sides of the lower surface of the upper mold module 1; a second arc 19 is required to transition from the lower flat plate area 29 on both sides to the first arc-shaped convex 6 of the lower mold, and the radius of the second arc 19 can be 0 .5mm-30mm, and is required to be smaller than the radius of the first arc 18 in the upper mold module 1. The first arc-shaped protrusion 6 of the lower mold is composed of three arcs, namely the second starting arc 24, the second top arc 25 and the second end arc 26. The radius of the second starting arc 24, the second top arc 25 and the second end arc 26 can be between 5mm-300mm, and it is necessary to ensure that when the upper mold module 1 and the lower mold module 2 are merged, except for the upper flat plate area 28 on both sides of the upper mold and the lower flat plate area 29 on both sides of the lower mold, the rest of the positions are not in contact.

[0034] In the above embodiment, specifically, the side of the upper mold module 1 needs to have a groove 13 formed by offsetting upward from the cross-section of the lower surface of the upper mold module 1. The width of the groove 13 can be between 10mm and 150mm, and the depth of the groove 13 is determined according to the thickness of the metal sheet, which can be between 0.5mm and 3mm. At the same time, the place where the groove 13 meets the plane needs to have a good transition. The length of the transition area can be between 2mm and 10mm, and the transition radius can be between 0.5mm and 5mm.

[0035] In the above embodiment, specifically, the side of the lower mold module 2 needs to have a boss 12 formed by offsetting upward from the upper surface cross-section of the lower mold module 2, the width of the boss 12 can be between 10mm-150mm, and the depth of the boss 12 is determined according to the thickness of the metal sheet, which can be between 0.5mm-3mm. At the same time, the place where the boss 12 meets the plane needs to have a good transition, the length of the transition area can be between 2mm-10mm, and the transition radius can be between 0.5mm-5mm, and it is necessary to ensure that the radius is greater than or equal to the transition radius of the groove 13 of the upper mold module 1 and the transition area of ​​the plane.

[0036] In the above embodiment, specifically, the lower mold base 5 needs to be provided with a guide column 30, the upper mold base 4 needs to be provided with a guide sleeve 31, and when the upper mold module 1 and the lower mold module 2 are closed, the guide column 30 can successfully extend into the guide sleeve 31, the guide column 30 and the guide sleeve 31 need to be used in conjunction with each other, and the number thereof must be kept consistent, which can be between 2 and 20. An ejection hole 32 needs to be opened on the lower mold base 5, and the position of the ejection hole needs to be located below the lower mold module 2. The diameter of the hole can be between 10 mm and 200 mm, and the number can be between 2 and 50.

[0037] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0038] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A die-forming device for forming corrugations on a metal sheet, characterized in that: The die pressing device for forming corrugations on a metal sheet comprises an upper die module (1), a lower die module (2), a metal corrugated plate (3), an upper die base (4) and a lower die base (5); the upper die module (1) and the lower die module (2) are respectively fixed to the upper die base (4) and the lower die base (5) by rivets or pins; the upper die base (4) and the lower die base (5) are fixed at a determined horizontal position by a device and move relative to each other in a vertical direction; when the upper die base (4) and the lower die base (5) move relative to each other in a vertical direction, the upper die module (1) and the lower die module (2) are respectively fixed to the upper die base (4) and the lower die base (5) are fixed by fasteners, which are screws, bolts or pins; different modules of the die pressing device can be connected by connecting parts or rotating parts, and there is no limit in the length and width direction, and the size is limited by the size of the metal corrugated plate (3); there is a groove in the middle of the upper die module (1), and the groove is a U-shaped groove, an M-shaped groove or a combination of multiple groove shapes, and the groove arrangement is parallel, vertical or cross; the M-shaped groove is composed of a second arc-shaped groove (9), a third arc-shaped convex bulge (10) and a third arc-shaped groove (11), and the second arc-shaped groove (9) and the third arc-shaped groove (11) are The groove depth of the arc-shaped groove (11) is 10mm-100mm; the third arc-shaped convex hull (10) is composed of a second arc (23), and the radius of the second arc (23) is 5mm-300mm; the convex height of the third arc-shaped convex hull (10) is 10mm-100mm; the upper flat plate areas (28) on both sides of the lower surface section of the upper mold module (1) are horizontal or the angle is determined by the angle of the metal corrugated plate (3), and the upper flat plate area (28) and the second arc-shaped groove (9) are transitioned through a first arc (18), and the radius of the first arc (18) is 0.5mm-30mm; the The lower mold module (2) has a protrusion in the middle, which is a U-shaped protrusion or an M-shaped protrusion. The protrusions are arranged in parallel, vertically or crosswise. The M-shaped protrusion consists of a first arc-shaped protrusion (6), a first arc-shaped groove (7) and a second arc-shaped protrusion (8). The protrusion height of the first arc-shaped protrusion (6) and the second arc-shaped protrusion (8) is 10mm-100mm, and is smaller than the groove depth of the second arc-shaped groove (9) and the third arc-shaped groove (11); the groove depth of the first arc-shaped groove (7) is 10mm-100mm, and is larger than the protrusion height of the third arc-shaped convex hull (10).

2. The die pressing device for forming corrugations on a metal sheet according to claim 1, wherein: When the upper die base (4) and the lower die base (5) move relative to each other in the vertical direction, the upper die module (1) and the lower die module (2) are respectively fixed to the upper die base (4) and the lower die base (5) by fasteners, and the upper die base (4) and the lower die base (5) are tightly fixed to the die power device, and the fixing method is a die handle, a clamp or a fastener.

3. The die pressing device for forming corrugations on a metal sheet according to claim 1, wherein: The second arc-shaped groove (9) of the upper mold module (1) is composed of three arcs, namely a first starting arc (20), a first top arc (21) and a first end arc (22), and the radii of the first starting arc (20), the first top arc (21) and the first end arc (22) are 5mm-300mm.

4. The die pressing device for forming corrugations on a metal sheet according to claim 1, wherein: The lower flat plate areas (29) on both sides of the upper surface cross section of the lower mold module (2) are horizontal or the angle is determined by the angle of the metal corrugated plate (3), and the angle is equal to the angle of the upper flat plate areas (28) on both sides of the lower surface of the upper mold module (1); the lower flat plate area (29) transitions to the first arc-shaped protrusion (6) by a second arc (19), the radius of the second arc (19) is 0.5mm-30mm, and is smaller than the radius of the first arc (18), the first arc-shaped protrusion (6) is composed of three arcs, namely the second starting arc (24), the second top arc (25) and the second end arc (26), the radius of the second starting arc (24), the second top arc (25) and the second end arc (26) is 5mm-300mm; when the upper mold module (1) and the lower mold module (2) are merged, the upper flat plate area (28) contacts the lower flat plate area (29), and the other positions are not in contact.

5. The die pressing device for forming corrugations on a metal sheet according to claim 1, wherein: The side surface of the upper mold module (1) is offset upward from the cross section of the lower surface of the upper mold module (1) to form a groove (13), the width of the groove (13) is 10mm-500mm, the depth of the groove (13) is determined by the thickness of the metal sheet and is 0.5mm-3mm, the length of the transition area where the groove (13) meets the plane is 2mm-10mm, and the transition radius is 0.5mm-5mm.

6. The die pressing device for forming corrugations on a metal sheet according to claim 1, wherein: The side surface of the lower mold module (2) is offset upward from the cross section of the upper surface of the lower mold module (2) to form a boss (12), the width of the boss (12) is 10mm-500mm, the depth of the boss (12) is determined by the thickness of the metal sheet, and is 0.5mm-3mm, the length of the transition area where the boss (12) meets the plane is 2mm-10mm, the transition radius is 0.5mm-5mm, and is greater than or equal to the transition radius of the transition area between the groove (13) and the plane.

7. The die pressing device for forming corrugations on a metal sheet according to claim 1, wherein: The lower mold base (5) is provided with a guide column (30), and the upper mold base (4) is provided with a guide sleeve (31). When the upper mold module (1) and the lower mold module (2) are closed, the guide column (30) extends into the guide sleeve (31). The guide column (30) and the guide sleeve (31) are used in conjunction with each other, and the number is the same, which is 2-20. The lower mold base (5) includes an ejection hole (32). The ejection hole (32) is located below the lower mold module (2). The diameter of the ejection hole (32) is 10 mm-200 mm, and the number is 2-50.

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