Pressure-resistant and corrosion-resistant die steel

Abstract

The utility model relates to pressure-resistant and corrosion-resistant die steel which comprises a die steel body, a reinforcing layer is fixedly connected to the outer side of the die steel body, an anti-crack layer is fixedly connected to the outer side of the reinforcing layer, a pressure-resistant layer is fixedly connected to the outer side of the anti-crack layer, and a weather-resistant layer is fixedly connected to the outer side of the pressure-resistant layer. The outer side of the weather-resistant layer is fixedly connected with a heat-resistant layer, the outer side of the heat-resistant layer is fixedly connected with a corrosion-resistant layer, the outer side of the corrosion-resistant layer is fixedly connected with a wear-resistant layer, the outer side of the wear-resistant layer is fixedly connected with a waterproof layer, the top of the waterproof layer is fixedly connected with a reinforcing plate, and the top of the reinforcing plate is movably connected with a die steel block. The pressure-resistant and corrosion-resistant die steel is simple in overall structure and convenient to use, the purposes of pressure resistance and corrosion resistance of the die steel are achieved, the die steel is prevented from being damaged due to liquid erosion after being used for a long time, the die steel is prevented from rusting, deformation of the die steel due to pressure is avoided as much as possible, and the service life of the die steel is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of die steel, in particular to a pressure-resistant and corrosion-resistant die steel. Background Art

[0002] Mold steel is a type of steel used to manufacture molds such as cold stamping molds, hot forging molds and die-casting molds. Molds are the main processing tools for manufacturing parts in industrial sectors such as machinery manufacturing, radio instruments, motors and electrical appliances. The quality of the mold directly affects the quality of the pressure processing technology, the precision output of the product and the production cost. The quality and service life of the mold are mainly affected by the mold material and heat treatment in addition to reasonable structural design and processing accuracy.

[0003] Mold steel can be roughly divided into three categories: cold-rolled mold steel, hot-rolled mold steel and plastic mold steel. Mold steel is mainly used for forging, stamping, cutting and die-casting. For example, Chinese patent CN 218023152 U proposes a hot-working die-casting mold steel with good high-temperature resistance and toughness. The high-temperature resistant layer is provided on the top of the mold steel body, which can effectively improve the high-temperature resistance of the mold steel body. At the same time, an I-shaped reinforcement rib is provided between the high-temperature resistant layer and the mold steel body, which can effectively improve the firmness of the overall mold steel and further improve the strength and toughness of the mold steel. However, this design does not have the advantages of pressure resistance and corrosion resistance, resulting in the mold steel being easily damaged by liquid erosion after long-term use, making the mold steel easy to rust. At the same time, the mold steel will be deformed under pressure, which reduces the service life of the mold steel, is inconvenient to use, cannot meet the actual use needs, and reduces the use efficiency and effect of the mold steel. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a pressure-resistant and corrosion-resistant mold steel, which has the advantages of pressure resistance and corrosion resistance, and solves the problem that the existing mold steel does not have the advantages of pressure resistance and corrosion resistance, resulting in the mold steel being easily damaged by liquid erosion after long-term use, making the mold steel easy to rust, and also causing the mold steel to be deformed under pressure, thereby reducing the service life of the mold steel, being inconvenient to use, and failing to meet actual use needs, thereby reducing the use efficiency and effect of the mold steel.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pressure-resistant and corrosion-resistant mold steel, comprising a mold steel body, a reinforcement layer fixedly connected to the outer side of the mold steel body, an anti-cracking layer fixedly connected to the outer side of the reinforcement layer, a pressure-resistant layer fixedly connected to the outer side of the anti-cracking layer, a weather-resistant layer fixedly connected to the outer side of the pressure-resistant layer, a heat-resistant layer fixedly connected to the outer side of the weather-resistant layer, a corrosion-resistant layer fixedly connected to the outer side of the heat-resistant layer, a wear-resistant layer fixedly connected to the outer side of the corrosion-resistant layer, a waterproof layer fixedly connected to the outer side of the wear-resistant layer, a reinforcement plate fixedly connected to the top of the waterproof layer, and a mold steel block movably connected to the top of the reinforcement plate.

[0008] Furthermore, fixed blocks are fixedly connected to the left and right sides of the waterproof layer, two positioning blocks are fixedly connected to the bottom of the mold steel block, and positioning square grooves are opened on the tops of the two fixed blocks. The two positioning blocks are respectively located on the inner sides of the two positioning square grooves.

[0009] Furthermore, the inner sides of the two fixed blocks are movably connected with movable rods, the outer sides of the two movable rods are fixedly connected with movable handles, the outer sides of the two movable rods are fixedly connected with movable blocks, the outer sides of the two movable blocks are fixedly connected with mounting clamps, and the outer sides of the two movable blocks are fixedly connected with annular springs.

[0010] Furthermore, the two annular springs are respectively located on the outsides of the two movable rods, the two annular springs are respectively fixedly connected to the two fixed blocks, and the two movable pull handles are respectively movably connected to the two fixed blocks.

[0011] Furthermore, a telescopic spring is fixedly connected to the outer side of the movable block, and the telescopic spring is fixedly connected to the fixed block. The inner sides of the two fixed blocks are respectively provided with sliding holes with the same diameter as the two movable rods, and the two movable rods are respectively slidably connected to the two sliding holes.

[0012] Furthermore, the tops and bottoms of the two movable blocks are fixedly connected with movable sliding blocks, the inner sides of the two fixed blocks are provided with fixed sliding grooves, and the movable sliding blocks are slidably connected with the fixed sliding grooves.

[0013] Furthermore, the outer sides of the two positioning blocks are provided with mounting clamping grooves, the two mounting clamping blocks are respectively engaged with the two mounting clamping grooves, and the two movable blocks are respectively movably connected with the positioning blocks.

[0014] Furthermore, the number of the telescopic springs is two groups, the number of the telescopic springs in each group is four, and the mold steel blocks are movably connected to the two fixed blocks.

[0015] Furthermore, the reinforcing layer is a polyurethane coating, the anti-cracking layer is a nano coating, the pressure-resistant layer is a silicon nitride coating, the weather-resistant layer is a sodium pentachlorophenol coating, and the heat-resistant layer is a titanium alloy coating.

[0016] Furthermore, the corrosion-resistant layer is a polyvinyl chloride coating, the wear-resistant layer is a chromium-molybdenum-silicon-manganese coating, the waterproof layer is a chlorosulfonated polyethylene coating, and the reinforcing plate is a stainless steel alloy layer.

[0017] (III) Beneficial effects

[0018] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0019] 1. The pressure-resistant and corrosion-resistant mold steel can improve the strength of the mold steel body through the reinforcement layer of the polyurethane coating, and can make the mold steel body have the effects of wear resistance, corrosion resistance, pressure resistance and crack resistance. The anti-cracking layer of the nano coating can make the mold steel body have good crack resistance. The pressure-resistant layer of the silicon nitride coating can make the mold steel body have good pressure resistance. The weather-resistant layer of the sodium pentachlorophenol coating can make the mold steel body have good weather resistance. The heat-resistant layer of the titanium alloy coating can make the mold steel body have good heat resistance. The corrosion-resistant layer of the polyvinyl chloride coating can make the mold steel body have good corrosion resistance. Try to avoid damage to the mold steel body due to liquid erosion. The wear-resistant layer of the chromium-molybdenum-silicon-manganese coating can make the mold steel body have good wear resistance, and try to avoid damage to the mold steel body due to wear. The waterproof layer of the chlorosulfonated polyethylene coating can make the mold steel body have good waterproof effect, thereby improving the corrosion resistance of the mold steel body. The reinforcement plate of the stainless steel alloy layer can strengthen the strength of the waterproof layer, and try to avoid wear between the mold steel body and the mold steel block during the superimposed installation process. The overall structure is simple and easy to use, achieving the purpose of mold steel pressure resistance and corrosion resistance, avoiding damage to the mold steel due to liquid erosion during long-term use, preventing the mold steel from rusting, and trying to avoid deformation of the mold steel under pressure, thereby improving the service life of the mold steel.

[0020] 2. The pressure-resistant and corrosion-resistant mold steel can compress the annular spring and the telescopic spring by pulling the two movable handles, thereby respectively driving the two movable rods, the two movable blocks and the two mounting clamps to move oppositely, and then inserting the two positioning blocks into the inner sides of the two positioning square grooves respectively, so that the mold steel block can be installed and positioned first, and then the two movable handles can be loosened to drive the two movable rods, the two movable blocks and the two mounting clamps to move relative to each other through the elastic force of the annular spring and the telescopic spring. During the relative movement of the two movable blocks and the two mounting clamps, they will respectively fit with the two positioning blocks, so that the mold steel block and the positioning blocks can be installed and positioned, and the mold steel block can be stably installed above the mold steel body to avoid the mold steel body and the mold steel block from falling off during installation and use, thereby ensuring the installation and fixation effect of the mold steel body and the mold steel block. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a right view of the waterproof layer connection structure in the structure of the utility model;

[0023] Figure 3 This is a front view of the waterproof layer connection structure in the structure of the utility model;

[0024] Figure 4 The utility model structure Figure 1 Enlarged view of point A in the middle.

[0025] In the figure: 1. mold steel body; 2. reinforcement layer; 3. anti-cracking layer; 4. pressure-resistant layer; 5. weather-resistant layer; 6. heat-resistant layer; 7. corrosion-resistant layer; 8. wear-resistant layer; 9. waterproof layer; 10. reinforcement plate; 11. mold steel block; 12. fixed block; 13. positioning block; 14. movable rod; 15. movable handle; 16. movable block; 17. mounting clamp; 18. annular spring; 19. telescopic spring; 20. movable slider. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-4A pressure-resistant and corrosion-resistant mold steel in this embodiment includes a mold steel body 1, a reinforcement layer 2 is fixedly connected to the outside of the mold steel body 1, an anti-cracking layer 3 is fixedly connected to the outside of the reinforcement layer 2, a pressure-resistant layer 4 is fixedly connected to the outside of the anti-cracking layer 3, a weather-resistant layer 5 is fixedly connected to the outside of the pressure-resistant layer 4, a heat-resistant layer 6 is fixedly connected to the outside of the weather-resistant layer 5, a corrosion-resistant layer 7 is fixedly connected to the outside of the heat-resistant layer 6, a wear-resistant layer 8 is fixedly connected to the outside of the corrosion-resistant layer 7, a waterproof layer 9 is fixedly connected to the outside of the wear-resistant layer 8, a reinforcement plate 10 is fixedly connected to the top of the waterproof layer 9, and a mold steel block 11 is movably connected to the top of the reinforcement plate 10.

[0028] The left and right sides of the waterproof layer 9 are fixedly connected with fixed blocks 12, the bottom of the mold steel block 11 is fixedly connected with two positioning blocks 13, the tops of the two fixed blocks 12 are provided with positioning square grooves, the two positioning blocks 13 are respectively located on the inner sides of the two positioning square grooves, the length of the positioning block 13 is equal to the length of the positioning square groove, the width of the positioning block 13 is equal to the width of the positioning square groove, the inner sides of the two fixed blocks 12 are movably connected with movable rods 14, the outer sides of the two movable rods 14 are fixedly connected with movable handles 15, the outer sides of the two movable rods 14 are fixedly connected with movable blocks 16, the outer sides of the two movable blocks 16 are fixedly connected with mounting clamps 17, and the outer sides of the two movable blocks 16 are fixedly connected with annular springs 18.

[0029] The two annular springs 18 are respectively located on the outside of the two movable rods 14, and the two annular springs 18 are respectively fixedly connected to the two fixed blocks 12. The two movable pull handles 15 are respectively movably connected to the two fixed blocks 12. The outer side of the movable block 16 is fixedly connected with a telescopic spring 19, and the telescopic spring 19 is fixedly connected to the fixed block 12. The inner sides of the two fixed blocks 12 are respectively provided with sliding holes with the same diameter as the two movable rods 14, and the two movable rods 14 are respectively slidably connected to the two sliding holes.

[0030] The top and bottom of the two movable blocks 16 are fixedly connected with movable sliders 20, the inner sides of the two fixed blocks 12 are provided with fixed slide grooves, the movable sliders 20 are slidably connected to the fixed slide grooves, the movable sliders 20 and the fixed slide grooves are both T-shaped, the outer sides of the two positioning blocks 13 are provided with installation clamping grooves, the two installation clamping blocks 17 are respectively clamped with the two installation clamping grooves, the two movable blocks 16 are respectively movably connected to the positioning blocks 13, the number of telescopic springs 19 is two groups, and the number of telescopic springs 19 in each group is four.

[0031] The reinforcing layer 2 is a polyurethane coating, the anti-cracking layer 3 is a nano coating, the pressure-resistant layer 4 is a silicon nitride coating, the weather-resistant layer 5 is a sodium pentachlorophenol coating, the heat-resistant layer 6 is a titanium alloy coating, the corrosion-resistant layer 7 is a polyvinyl chloride coating, the wear-resistant layer 8 is a chromium-molybdenum-silicon-manganese coating, the waterproof layer 9 is a chlorosulfonated polyethylene coating, and the reinforcing plate 10 is a stainless steel alloy layer. The reinforcing layer 2, the anti-cracking layer 3, the pressure-resistant layer 4, the weather-resistant layer 5, the heat-resistant layer 6, the corrosion-resistant layer 7 and the wear-resistant layer 8 are all located between the mold steel body 1 and the waterproof layer 9, and the mold steel blocks 11 are movably connected to the two fixed blocks 12.

[0032] In addition, by setting a reinforcing layer 2 of a polyurethane coating, the strength of the mold steel body 1 can be improved, and the mold steel body 1 can be made wear-resistant, corrosion-resistant, pressure-resistant and crack-resistant to reduce the probability of damage to the mold steel body 1. By setting an anti-crack layer 3 of a nano-coating, the mold steel body 1 can have a good anti-crack effect, and the mold steel body 1 can be prevented from cracking during use as much as possible. By setting a pressure-resistant layer 4 of a silicon nitride coating, the mold steel body 1 can have a good pressure-resistant effect, and the mold steel body 1 can be prevented from deformation due to excessive pressure during use as much as possible.

[0033] By setting the weather-resistant layer 5 of sodium pentachlorophenol coating, the mold steel body 1 can have good weather resistance, and the mold steel body 1 can be prevented from being damaged by light, heat, cold, wind, rain, bacteria, etc. as much as possible. By setting the heat-resistant layer 6 of titanium alloy coating, the mold steel body 1 can have good heat resistance, and the mold steel body 1 can be prevented from being deformed due to excessive temperature as much as possible. By setting the corrosion-resistant layer 7 of polyvinyl chloride coating, the mold steel body 1 can have good corrosion resistance, and the mold steel body 1 can be prevented from being damaged by liquid erosion as much as possible.

[0034] By setting the wear-resistant layer 8 of chromium-molybdenum-silicon-manganese coating, the mold steel body 1 can have good wear resistance and avoid damage to the mold steel body 1 due to wear as much as possible. By setting the waterproof layer 9 of chlorosulfonated polyethylene coating, the mold steel body 1 can have good waterproof effect and thus improve the corrosion resistance of the mold steel body 1. By setting the reinforcing plate 10 of stainless steel alloy layer, the strength of the waterproof layer 9 can be strengthened and avoid wear between the mold steel body 1 and the mold steel block 11 during the stacking installation process as much as possible.

[0035] By setting the fixed block 12, the movable rod 14, the movable block 16, the installation clamp block 17, the annular spring 18 and the telescopic spring 19 can be hidden, and by setting two positioning blocks 13 and two positioning square grooves, the mold steel block 11 and the mold steel body 1 can be installed and positioned, and by setting the movable rod 14, the movable pull handle 15, the movable block 16 and the installation clamp block 17 can be supported, and by setting the movable pull handle 15, the movable rod 14 can be pulled, and by setting two movable blocks 16, two installation clamp blocks 17 and two installation clamp grooves, the installation and positioning effect of the mold steel block 11 and the two positioning blocks 13 and the two fixed blocks 12 can be guaranteed, and by setting the annular spring 18 and the telescopic spring 19, the movable rod 14, the movable block 16 and the installation clamp block 17 can have a telescopic effect, and by setting the movable slider 20 and the fixed slide groove, the stability of the movable block 16 and the installation clamp block 17 moving left and right can be guaranteed.

[0036] The working principle of the above embodiment is:

[0037] (1) The strength of the mold steel body 1 can be improved by the reinforcing layer 2 of the polyurethane coating, and the mold steel body 1 can have the effects of wear resistance, corrosion resistance, pressure resistance and crack resistance. The anti-cracking layer 3 of the nano coating can make the mold steel body 1 have a good anti-cracking effect. The pressure-resistant layer 4 of the silicon nitride coating can make the mold steel body 1 have a good pressure resistance. The weather-resistant layer 5 of the sodium pentachlorophenol coating can make the mold steel body 1 have good weather resistance. The heat-resistant layer 6 of the titanium alloy coating can make the mold steel body 1 have good heat resistance.

[0038] (2) The corrosion-resistant layer 7 of the polyvinyl chloride coating can make the mold steel body 1 have good corrosion resistance, and try to avoid the mold steel body 1 from being damaged by liquid erosion. The wear-resistant layer 8 of the chromium-molybdenum-silicon-manganese coating can make the mold steel body 1 have good wear resistance, and try to avoid the mold steel body 1 from being damaged by wear. The waterproof layer 9 of the chlorosulfonated polyethylene coating can make the mold steel body 1 have good waterproof effect, thereby improving the corrosion resistance of the mold steel body 1. The reinforcing plate 10 of the stainless steel alloy layer can strengthen the strength of the waterproof layer 9, and try to avoid the mold steel body 1 and the mold steel block 11 from being worn during the stacking installation process.

[0039] (3) When it is necessary to install and fix the mold steel body 1 and the mold steel block 11, the annular spring 18 and the telescopic spring 19 can be compressed by pulling the two movable handles 15, thereby respectively driving the two movable rods 14, the two movable blocks 16 and the two installation clamps 17 to move in opposite directions, and then the two positioning blocks 13 are respectively inserted into the inner sides of the two positioning square grooves, and the mold steel block 11 can be installed and positioned first, and then the two movable handles 15 can be loosened through the elastic force of the annular spring 18 and the telescopic spring 19, respectively. The two movable rods 14, the two movable blocks 16 and the two mounting clamps 17 are moved relative to each other. During the relative movement of the two movable blocks 16 and the two mounting clamps 17, they will fit with the two positioning blocks 13 respectively, so that the mold steel block 11 and the positioning blocks 13 can be installed and positioned, and the mold steel block 11 can be stably installed above the mold steel body 1, avoiding the mold steel body 1 and the mold steel block 11 from falling off during installation and use, thereby ensuring the installation and fixation effect of the mold steel body 1 and the mold steel block 11.

[0040] Compared with the existing technology, the overall structure is simple and easy to use, and the purpose of mold steel being pressure-resistant and corrosion-resistant is achieved, and the mold steel is prevented from being damaged by liquid erosion during long-term use, and the mold steel is prevented from rusting. The mold steel is avoided from being deformed by pressure as much as possible, and the service life of the mold steel is increased. The needs of actual use are met, and the use efficiency and effect of the mold steel are improved.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressure-resistant and corrosion-resistant die steel, comprising a die steel body (1), characterized in that: The outer side of the mold steel body (1) is fixedly connected to a reinforcing layer (2), the outer side of the reinforcing layer (2) is fixedly connected to an anti-cracking layer (3), the outer side of the anti-cracking layer (3) is fixedly connected to a pressure-resistant layer (4), the outer side of the pressure-resistant layer (4) is fixedly connected to a weather-resistant layer (5), the outer side of the weather-resistant layer (5) is fixedly connected to a heat-resistant layer (6), the outer side of the heat-resistant layer (6) is fixedly connected to a corrosion-resistant layer (7), the outer side of the corrosion-resistant layer (7) is fixedly connected to a wear-resistant layer (8), the outer side of the wear-resistant layer (8) is fixedly connected to a waterproof layer (9), the top of the waterproof layer (9) is fixedly connected to a reinforcing plate (10), and the top of the reinforcing plate (10) is movably connected to a mold steel block (11).

2. The pressure-resistant and corrosion-resistant die steel according to claim 1, characterized in that: The left and right sides of the waterproof layer (9) are fixedly connected with fixed blocks (12), the bottom of the mold steel block (11) is fixedly connected with two positioning blocks (13), the tops of the two fixed blocks (12) are each provided with a positioning square groove, and the two positioning blocks (13) are respectively located on the inner sides of the two positioning square grooves.

3. The pressure-resistant and corrosion-resistant die steel according to claim 2, characterized in that: The inner sides of the two fixed blocks (12) are movably connected to movable rods (14), the outer sides of the two movable rods (14) are fixedly connected to movable handles (15), the outer sides of the two movable rods (14) are fixedly connected to movable blocks (16), the outer sides of the two movable blocks (16) are fixedly connected to mounting clamps (17), and the outer sides of the two movable blocks (16) are fixedly connected to annular springs (18).

4. The pressure-resistant and corrosion-resistant die steel according to claim 3, characterized in that: The two annular springs (18) are respectively located outside the two movable rods (14), the two annular springs (18) are respectively fixedly connected to the two fixed blocks (12), and the two movable pull handles (15) are respectively movably connected to the two fixed blocks (12).

5. The pressure-resistant and corrosion-resistant die steel according to claim 3, characterized in that: A telescopic spring (19) is fixedly connected to the outer side of the movable block (16), and the telescopic spring (19) is fixedly connected to the fixed block (12). The inner sides of the two fixed blocks (12) are respectively provided with sliding holes with the same diameter as the two movable rods (14), and the two movable rods (14) are respectively slidably connected to the two sliding holes.

6. The pressure-resistant and corrosion-resistant die steel according to claim 3, characterized in that: The top and bottom of the two movable blocks (16) are fixedly connected with movable sliding blocks (20), and the inner sides of the two fixed blocks (12) are provided with fixed sliding grooves, and the movable sliding blocks (20) are slidably connected with the fixed sliding grooves.

7. The pressure-resistant and corrosion-resistant die steel according to claim 3, characterized in that: The outer sides of the two positioning blocks (13) are both provided with mounting clamping grooves, the two mounting clamping blocks (17) are respectively clamped with the two mounting clamping grooves, and the two movable blocks (16) are respectively movably connected with the positioning blocks (13).

8. The pressure-resistant and corrosion-resistant die steel according to claim 5, characterized in that: The number of the telescopic springs (19) is two groups, and the number of the telescopic springs (19) in each group is four. The mold steel blocks (11) are movably connected to the two fixed blocks (12).

9. The pressure-resistant and corrosion-resistant die steel according to claim 1, characterized in that: The reinforcing layer (2) is a polyurethane coating, the anti-cracking layer (3) is a nano coating, the pressure-resistant layer (4) is a silicon nitride coating, the weather-resistant layer (5) is a sodium pentachlorophenol coating, and the heat-resistant layer (6) is a titanium alloy coating.

10. The pressure-resistant and corrosion-resistant die steel according to claim 1, characterized in that: The corrosion-resistant layer (7) is a polyvinyl chloride coating, the wear-resistant layer (8) is a chromium-molybdenum-silicon-manganese coating, the waterproof layer (9) is a chlorosulfonated polyethylene coating, and the reinforcing plate (10) is a stainless steel alloy layer.

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