CN115846480A - Die assembly applied to forming corrugations on metal sheet - Google Patents
Die assembly applied to forming corrugations on metal sheet Download PDFInfo
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- CN115846480A CN115846480A CN202211555597.7A CN202211555597A CN115846480A CN 115846480 A CN115846480 A CN 115846480A CN 202211555597 A CN202211555597 A CN 202211555597A CN 115846480 A CN115846480 A CN 115846480A
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- 238000000748 compression moulding Methods 0.000 claims abstract description 11
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- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 4
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
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- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The invention provides a die assembly applied to a metal sheet for forming corrugations, which comprises an upper die module, a lower die module, a metal corrugated plate, an upper die base and a lower die base, wherein the upper die module and the lower die module can be respectively fixed on the upper die base and the lower die base through rivets or bolt devices; the upper die base and the lower die base can be fixed on a determined horizontal position through equipment and can move mutually in the vertical direction. The invention can form the corrugated metal plate at one time, improves the production efficiency and is beneficial to being applied to a low-temperature storage tank; the metal corrugated plate is adjusted and suitable according to different thicknesses and types of the metal corrugated plate to be processed; the width and the depth between the circular arc and the groove can be replaced and adjusted, so that the processing requirements of different types of metal corrugated plates are met; the compression molding device is convenient to connect with processing equipment and has wide application range.
Description
Technical Field
The invention belongs to the technical field of low-temperature liquid cargo storage, and particularly relates to a die assembly for forming corrugations on a metal sheet.
Background
In recent decades, with the rapid development of economy in China, the dependence on energy sources is higher and higher, and especially, the application range of energy-saving and environment-friendly energy sources is wider and wider, for example, the traditional petroleum is gradually changed to cleaner natural gas energy sources, and the storage technology of the energy sources is also continuously updated and developed.
The liquid storage tank is a container for storing liquid. The energy storage device is a common energy storage mode, and particularly takes an oil depot and a natural gas storage tank as main facilities. In pipeline transportation, the pipeline is an oil source interface of an oil pipeline. It can be divided into overground gas tank, underground gas tank and cave gas tank according to the building characteristics. The air tanks on the ground are generally suitable for the transportation oil depot, the distribution oil depot and the auxiliary oil depots of enterprises, and the air tanks in the mountain cave, the underground air tanks and the semi-underground air tanks are often selected for the storage oil depot and the military oil depot with strategic significance. The material can be divided into two categories of non-metal gas tanks and metal gas tanks. The metal gas tank is widely used due to low cost, difficult leakage, convenient construction and easy maintenance.
With the continuous growth of the gas industry in China, the consumption market of low-temperature freezing liquefied gas represented by liquefied natural gas, liquid nitrogen, liquid hydrogen and liquid helium is rapidly increased, and the storage requirements of the liquid hydrogen and the liquid helium are higher and higher, particularly the low-temperature storage.
In the low-temperature storage tank, a corrugated plate serving as one of core technologies does not have a mode capable of producing corrugated metal plates in batches in the market at present, and the mold production is used as an industrial production means capable of producing corrugated plates in batches and guaranteeing a good forming effect, so that the corrugated plate production method is necessarily the first choice for producing corrugated plates in batches in the future.
Therefore, it is necessary to develop a die assembly for forming corrugations on a metal sheet.
Disclosure of Invention
In order to solve the technical problems, the invention provides a die assembly for forming corrugations on a metal sheet, which can form the corrugated metal sheet at one time, improves the production efficiency and is beneficial to application in a low-temperature storage tank.
A die assembly applied to a metal sheet for forming corrugations comprises an upper die module, a lower die module, a metal corrugated plate, an upper die base and a lower die base, wherein the upper die module and the lower die module can be respectively fixed on the upper die base and the lower die base through rivets or bolt devices; the upper die base and the lower die base can be fixed on a determined horizontal position through equipment and can move mutually in the vertical direction; when the die base and the lower die base move in the vertical direction, it is required to ensure that the upper die module and the lower die module are fixed with the upper die base and the lower die base respectively through fasteners, and the fixing modes can be screws, bolts, pins and the like. The compression molding device can be used after different modules are connected through a connecting piece or a rotating piece, the length and the width directions of the compression molding device are not particularly limited, and the size of the compression molding device can be limited according to the size of the corrugated metal plate (3).
Preferably, when the upper die base and the lower die base move in the vertical direction, it is required to ensure that the upper die module and the lower die module are fixed with the upper die base and the lower die base respectively through fasteners, and the upper die base and the lower die base are fixed with the die power device tightly, and the fixing mode can be a die handle, a clamping piece or a fastener.
Preferably, the upper die module is provided with a groove, the groove can be a U-shaped groove, an M-shaped groove or a groove formed by combining a plurality of grooves, and the grooves can be arranged in a plurality of manners such as parallel, vertical or crossed manners, taking the M-shaped groove as an example, wherein the M-shaped groove is composed of a second arc-shaped groove, a third arc-shaped convex hull and a third arc-shaped groove, the groove depth of the second arc-shaped groove and the third arc-shaped groove can be 10mm-100mm, and the protrusion height of the third arc-shaped convex hull can be 10mm-100 mm; the upper flat plate areas on two sides of the section of the lower surface of the upper die module can be horizontal or have a certain angle, the specific condition is determined according to the angle of the metal corrugated plate, the transition from the upper flat plate areas on two sides to the second arc-shaped groove of the upper die needs to be carried out through a first arc, and the radius of the first arc can be 0.5mm-30 mm.
Preferably, the second arc-shaped groove of the upper die consists of three sections of arcs, namely a first arc, a first top arc and a first tail arc, wherein the radius of the first top arc and the radius of the first tail arc can be 5-300 mm; the third arc-shaped convex hull of the upper die consists of a second arc, and the radius of the second arc can be 5-300 mm.
Preferably, the middle of the lower die module is provided with a protrusion, which may be a U-shaped protrusion, or an M-shaped protrusion or a combination of multiple protrusions, and the protrusion may be arranged in multiple ways, such as parallel, perpendicular, or cross, taking the M-shaped protrusion as an example, where the M-shaped protrusion is composed of a first arc-shaped protrusion, a first arc-shaped groove, and a second arc-shaped protrusion, where the heights of the first arc-shaped protrusion and the second arc-shaped protrusion may be 10mm to 100mm, and the height of the protrusion is smaller than the depths of the second arc-shaped groove of the upper die and the third arc-shaped groove of the upper die, the depth of the first arc-shaped groove may be 10mm to 100mm, and the depth of the groove is larger than the height of the third arc-shaped protrusion of the upper die.
Preferably, the lower flat plate areas on both sides of the cross section of the upper surface of the lower die module may be horizontal or have a certain angle, and the specific condition is determined according to the angle of the required metal corrugated plate, which is equal to the angle formed by the upper flat plate areas on both sides of the lower surface of the upper die module; the radius of the second arc can be 0.5-30 mm, and is required to be smaller than that of the first arc in the upper die module, the first arc-shaped bulge of the lower die consists of three sections of arcs, namely a second arc, a second top arc and a second end arc, and the radius of the second top arc and the second end arc can be 5-300 mm, and when the upper die module and the lower die module are combined, the upper flat plate areas on the two sides of the upper die are not contacted with the lower flat plate areas on the two sides of the lower die, and other positions are not contacted.
Preferably, the side surface of the upper die module is provided with a groove which is formed by upward deviation from the cross section of the lower surface of the upper die module, the width of the groove can be 10mm-150mm, the depth of the groove is determined according to the thickness of the metal sheet and can be 0.5mm-3mm, meanwhile, the part where the groove is connected with the plane is provided with good transition, the length of the transition area can be 2mm-10mm, and the radius of the transition area can be 0.5mm-5 mm.
Preferably, the side surface of the lower die module is provided with a boss which is formed by upward offsetting from the cross section of the upper surface of the lower die 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, meanwhile, the part where the boss is connected with the plane is provided with good transition, the length of the transition area can be between 2mm and 10mm, the transition radius can be between 0.5mm and 5mm, and the radius is ensured to be more than or equal to the transition radius of the groove and the plane transition area of the upper die module.
Preferably, the lower die base needs to be provided with guide pillars, the upper die base 4 needs to be provided with guide sleeves, and when the upper die module and the lower die module are closed, the guide pillars can successfully extend into the guide sleeves, the guide pillars and the guide sleeves need to be matched for use, the number of the guide pillars and the guide sleeves needs to be kept consistent, the number of the guide pillars and the guide sleeves can be 2-20, ejection holes need to be formed in the lower die base, the positions of the ejection holes need to be located below the lower die module, the diameter of the holes can be 10-200 mm, and the number of the ejection holes can be 2-50.
Compared with the prior art, the invention has the beneficial effects that:
the corrugated metal plate can be formed at one time, so that the production efficiency is improved, and the corrugated metal plate is favorably applied to a low-temperature storage tank; the metal corrugated plate is adjusted and suitable according to different thicknesses and types of the metal corrugated plate to be processed;
the width and the depth between the circular arc and the groove can be replaced and adjusted, so that the processing requirements of different types of metal corrugated plates are met;
the compression molding device is convenient to connect with processing equipment and has wide application range.
Drawings
FIG. 1 is a schematic view of the overall structure of the die assembly according to the present invention.
FIG. 2 is a schematic structural diagram of an upper module of the die assembly according to the present invention.
FIG. 3 is a schematic cross-sectional view of a module of the die assembly of the present invention.
FIG. 4 is a schematic view of a sheet formed after press-molding by the press-molding apparatus of the present invention.
FIG. 5 is a schematic view showing a mold clamping state of the die assembly according to the present invention.
In the figure:
1. an upper die module; 2. a lower die module; 3. a metal corrugated plate; 4. an upper die base; 5. a lower die base; 6. a first circular arc-shaped protrusion; 7. a first arc-shaped groove; 8. a second circular arc-shaped protrusion; 9. a second circular arc-shaped groove; 10. a third arc-shaped convex hull; 11. a third arc-shaped groove; 12. a boss; 13. a groove; 18. a first arc; 19. a second arc; 20. first arcing; 21. a first top arc; 22. a first end arc; 23. a second arc; 24. second arcing; 25. a second top arc; 26. a second end arc; 27. a lower groove; 28. an upper plate region; 29. a lower plate region; 30. a guide post; 31. a guide sleeve; 32. an ejection aperture; .
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in fig. 1 to 5, the present invention provides a die assembly for forming corrugations on a metal sheet, which includes an upper die module 1, a lower die module 2, a corrugated metal plate 3, an upper die base 4 and a lower die base 5, wherein the upper die module 1 and the lower die module 2 can be respectively fixed on the upper die base 4 and the lower die base 5 by rivets or bolts; the upper die base 4 and the lower die base 5 can be fixed on a determined horizontal position through equipment and can move mutually in the vertical direction; when the die base 4 and the lower die base 5 move 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 fixing mode can be a screw, a bolt, a pin and the like; when the upper die base 4 and the lower die base 5 move in the vertical direction, it is required to ensure that the upper die module 1 and the lower die module 2 are fixed with the upper die base 4 and the lower die base 5 respectively through fasteners, and the upper die base 4 and the lower die base 5 are fixed with the die power device tightly, and the fixing mode can be a die handle, a clamping piece or a fastener and the like. The compression molding device can be used after different modules are connected through a connecting piece or a rotating piece, the length and the width directions of the compression molding device are not particularly limited, and the size of the compression molding device can be limited according to the size of the corrugated metal plate (3).
In the above embodiment, specifically, the middle of the upper die module 1 has a groove, which may be a U-shaped groove, or an M-like groove, or a combination of a plurality of grooves, and the grooves may be arranged in a parallel, perpendicular, or crossed manner, taking the M-like groove as an example, wherein the M-like groove is composed of a second arc-shaped groove 9, a third arc-shaped convex hull 10, and a third arc-shaped groove 11, wherein the groove depths of the second arc-shaped groove 9 and the third arc-shaped groove 11 may be 10mm to 100mm, and the protrusion height of the third arc-shaped convex hull 10 may be 10mm to 100 mm; the upper flat plate areas 28 on both sides of the cross section of the lower surface of the upper die module 1 may be horizontal, or may have a certain angle, and the specific condition is determined according to the angle of the corrugated metal plate 3, a transition needs to be performed from the upper flat plate areas 28 on both sides to the second circular-arc-shaped groove 9 of the upper die through a first circular arc 18, and the radius of the first circular arc 18 may be between 0.5mm and 30 mm; the second arc-shaped groove 9 of the upper die consists of three sections of arcs, namely a first starting arc 20, a first top arc 21 and a first tail arc 22, wherein the radiuses of the first starting arc 20, the first top arc 21 and the first tail arc 22 can be 5-300 mm; the third arc-shaped convex hull 10 of the upper die consists of a second arc 23, and the radius of the second arc 23 can be 5mm-300 mm.
In the above embodiment, specifically, the middle of the lower mold module 2 has a protrusion, which may be a U-shaped protrusion, or an M-like protrusion, or a combination of multiple protrusions, and the protrusion may be arranged in parallel, perpendicular, or crossed manner, for example, the M-like protrusion is composed of a first circular arc protrusion 6, a first circular arc groove 7, and a second circular arc protrusion 8, wherein the protrusion heights of the first circular arc protrusion 6 and the second circular arc protrusion 8 may be 10mm to 100mm, and the protrusion height needs to be smaller than the groove depths of the second circular arc groove 9 of the upper mold and the third circular arc groove 11 of the upper mold, the groove depth of the first circular arc groove 7 may be 10mm to 100mm, and the groove depth needs to be larger than the protrusion height of the third circular arc convex hull 10 of the upper mold; the lower flat plate areas 29 on both sides of the cross section of the upper surface of the lower mold module 2 may be horizontal, or may have a certain angle, which is determined according to the angle of the metal corrugated plate 3 required, 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; a second circular arc 19 is required to transition from the lower flat areas 29 on both sides to the first circular arc protrusion 6 of the lower mold, the radius of the second circular arc 19 may be 0.5mm-30mm and is required to be smaller than the radius of the first circular arc 18 in the upper mold module 1, the first circular arc protrusion 6 of the lower mold is composed of three circular arcs, respectively, a second striking arc 24, a second striking arc 25, a second end arc 26, a second striking arc 24, a second striking arc 25, and a second end arc 26, and is required to ensure that when the upper mold module 1 and the lower mold module 2 are combined, the rest positions are not contacted except for the upper flat areas 28 on both sides of the upper mold and the lower flat areas 29 on both sides of the lower mold.
In the above embodiment, specifically, the side surface of the upper mold block 1 is required to have a section of groove 13 formed by upward deviation from the cross section of the lower surface of the upper mold block 1, the width of the groove 13 may be 10mm to 150mm, the depth of the groove 13 is determined according to the thickness of the metal sheet, and may be 0.5mm to 3mm, and the place where the groove 13 meets the plane is required to have good transition, the length of the transition region may be 2mm to 10mm, and the radius of the transition may be 0.5mm to 5 mm.
In the above embodiment, specifically, the side surface of the lower die module 2 needs to have a section of boss 12 formed by upward offset from the cross section of the upper surface of the lower die module 2, the width of the boss 12 may be 10mm to 150mm, the depth of the boss 12 is determined according to the thickness of the metal sheet, and may be 0.5mm to 3mm, and the place where the boss 12 meets the plane needs to have good transition, the length of the transition region may be 2mm to 10mm, and the transition radius may be 0.5mm to 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 die module 1 and the plane transition region.
In the above embodiment, specifically, the lower die base 5 needs to be provided with the guide post 30, the upper die base 4 needs to be provided with the guide sleeve 31, and when the upper die module 1 and the lower die module 2 are closed, the guide post 30 can successfully extend into the guide sleeve 31, the guide post 30 and the guide sleeve 31 need to be used in cooperation, the number of the guide post 30 and the guide sleeve 31 needs to be kept consistent, the number of the guide post can be 2-20, the lower die base 5 needs to be provided with the ejection hole 32, the position of the ejection hole needs to be located below the lower die module 2, the diameter of the hole can be 10mm-200mm, and the number of the hole can be 2-50.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A die assembly for forming corrugations on a metal sheet is characterized by comprising an upper die module (1), a lower die module (2), corrugated metal plates (3), an upper die base (4) and a lower die base (5), wherein the upper die module (1) and the lower die module (2) can be respectively fixed on the upper die base (4) and the lower die base (5) through rivet or bolt devices; the upper die base (4) and the lower die base (5) can be fixed on a determined horizontal position through equipment and move mutually in the vertical direction; when the die base (4) and the lower die base (5) move in the vertical direction, the upper die module (1) and the lower die module (2) are required to be fixed with the upper die base (4) and the lower die base (5) through fasteners, and the fixing modes can be screws, bolts, pins and the like. The compression molding device can be used after different modules are connected through a connecting piece or a rotating piece, the length and the width directions of the compression molding device are not particularly limited, and the size of the compression molding device can be limited according to the size of the corrugated metal plate (3).
2. A die assembly for corrugating metal sheet as claimed in claim 1 wherein said upper die base (4) and said lower die base (5) are vertically movable relative to each other to ensure that said upper die module (1) and said lower die module (2) are respectively fastened to said upper die base (4) and said lower die base (5) and that said upper die base (4) and said lower die base (5) are tightly fastened to said die power unit by means of a die holder, a clip or a fastener.
3. A die assembly as claimed in claim 1, wherein the upper die module (1) has a groove in the middle, the groove may be U-shaped, M-shaped or a combination of M-shaped grooves, and the grooves may be arranged in parallel, perpendicular or crossed manner, for example, M-shaped grooves, wherein the M-shaped grooves include a second circular arc groove (9), a third circular arc convex hull (10) and a third circular arc groove (11), wherein the second circular arc groove (9) and the third circular arc groove (11) have a groove depth of 10mm to 100mm, and the third circular arc convex hull (10) has a convex height of 10mm to 100 mm; the upper flat plate areas (28) on two sides of the cross section of the lower surface of the upper die module (1) can be horizontal or have a certain angle, the specific situation is determined according to the angle of the corrugated metal plate (3) required, the transition from the upper flat plate areas (28) on two sides to the second circular arc-shaped groove (9) of the upper die needs to be carried out through a first circular arc (18), and the radius of the first circular arc (18) can be 0.5mm-30 mm.
4. A die assembly for corrugating metal sheets as claimed in claim 1, wherein said second circular-arc-shaped recess (9) of said upper die is formed by three circular arcs, a first start arc (20), a first top arc (21) and a first end arc (22), said first start arc (20), said first top arc (21) and said first end arc (22) having a radius of 5mm to 300 mm; the third arc-shaped convex hull (10) of the upper die consists of a second arc (23), and the radius of the second arc (23) can be 5-300 mm.
5. A die assembly as claimed in claim 1, wherein the lower die module (2) has a protrusion in the middle, the protrusion may be U-shaped, M-shaped or a combination of M-shaped protrusions, and the protrusions may be arranged in parallel, perpendicular or crossed manner, for example, M-shaped protrusions, wherein the M-shaped protrusions include a first circular arc protrusion (6), a first circular arc groove (7) and a second circular arc protrusion (8), wherein the first circular arc protrusion (6) and the second circular arc protrusion (8) have a protrusion height of 10mm-100mm, and the protrusion height is smaller than the groove depth of the second circular arc groove (9) of the upper die and the third circular arc groove (11) of the upper die, and the groove depth of the first circular arc groove (7) is 10mm-100mm, and the groove depth is larger than the protrusion height of the third circular arc protrusion (10) of the upper die.
6. A die assembly for corrugating metal sheet as claimed in claim 1, wherein said lower die block (2) has lower plate areas (29) on opposite sides of the cross-section of the upper surface thereof which are horizontal and angled to correspond to the desired angle of the upper plate areas (28) on opposite sides of the lower surface of the upper die block (1), depending on the desired angle of the corrugated metal plate (3); a second circular arc (19) is needed to perform transition from the lower flat plate areas (29) on two sides to the first circular arc-shaped bulge (6) of the lower die, the radius of the second circular arc (19) can be 0.5-30 mm and is required to be smaller than that of the first circular arc (18) in the upper die module (1), the first circular arc-shaped bulge (6) of the lower die is composed of three circular arcs, namely a second starting arc (24), a second top arc (25) and a second last arc (26), the radii of the second starting arc (24), the second top arc (25) and the second last arc (26) can be 5-300 mm, and when the upper die module (1) and the lower die module (2) are combined, the rest positions are not contacted except that the upper flat plate areas (28) on two sides of the upper die are contacted with the lower flat plate areas (29) on two sides of the lower die.
7. A die assembly for corrugating metal sheets as claimed in claim 1, wherein said upper die block (1) is provided with a groove (13) on its side surface which is offset upwardly from the cross-sectional area of the lower surface of the upper die block (1), said groove (13) having a width of 10mm to 500mm, said groove (13) having a depth defined by the thickness of the metal sheet which is 0.5mm to 3mm, and a good transition is provided where the groove (13) meets the flat surface, the length of the transition region being 2mm to 10mm, and the radius of the transition being 0.5mm to 5 mm.
8. A die assembly for corrugating metal sheet as claimed in claim 1, wherein said lower die block (2) is provided with a land (12) offset upwardly from the cross-section of the upper surface of the lower die block (2), said land (12) has a width of 10mm to 500mm, said land (12) has a depth defined by the thickness of the metal sheet of 0.5mm to 3mm, and said land (12) is provided with a good transition from the flat surface, the transition region has a length of 2mm to 10mm and a radius of 0.5mm to 5mm, and the radius is greater than or equal to the radius of the transition from the groove (13) to the flat surface of the upper die block (1).
9. A die assembly for corrugating sheet metal as claimed in claim 1, wherein said lower die base (5) is provided with guide posts (30), said upper die base (4) is provided with guide sleeves (31), and when said upper die module (1) and said lower die module (2) are closed, said guide posts (30) can be successfully extended into said guide sleeves (31), said guide posts (30) and said guide sleeves (31) are used in combination, the number of said guide posts (30) and said guide sleeves (31) is kept consistent, and can be 2-20, said lower die base (5) is provided with ejection holes (32), the position of said ejection holes is required to be located under said lower die module (2), the diameter of said holes can be 10-200 mm, and the number can be 2-50.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211555597.7A CN115846480A (en) | 2022-12-06 | 2022-12-06 | Die assembly applied to forming corrugations on metal sheet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211555597.7A CN115846480A (en) | 2022-12-06 | 2022-12-06 | Die assembly applied to forming corrugations on metal sheet |
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| CN115846480A true CN115846480A (en) | 2023-03-28 |
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|---|---|---|---|
| CN202211555597.7A Pending CN115846480A (en) | 2022-12-06 | 2022-12-06 | Die assembly applied to forming corrugations on metal sheet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116511305A (en) * | 2023-06-26 | 2023-08-01 | 中太海事技术(上海)有限公司 | Processing device, corrugated plate and storage container |
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2022
- 2022-12-06 CN CN202211555597.7A patent/CN115846480A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116511305A (en) * | 2023-06-26 | 2023-08-01 | 中太海事技术(上海)有限公司 | Processing device, corrugated plate and storage container |
| CN116511305B (en) * | 2023-06-26 | 2023-09-15 | 中太海事技术(上海)有限公司 | Processing device, corrugated plate and storage container |
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Effective date of registration: 20240130 Address after: 7th Floor, Pujiang International Financial Plaza, No. 1158 Dongdaming Road, Hongkou District, Shanghai, 200082 Applicant after: Zhongtai Energy Technology (Shanghai) Co.,Ltd. Country or region after: China Applicant after: SINOPEC ENGINEERING Inc. Address before: 200137 1715, block B, South Building, No. 515, Qifan Road, Pudong New Area, Shanghai Applicant before: China Pacific Maritime Technology (Shanghai) Co.,Ltd. Country or region before: China |