Stainless steel ton barrel and manufacturing method thereof

Abstract

The invention relates to the technical field of ton buckets, and discloses a stainless steel ton bucket and a manufacturing method thereof.The ton bucket is composed of a stainless steel top plate, a bucket body and a bottom plate, and the bottom of the stainless steel top plate is provided with a top plate turnup in butt joint with a bucket body upper turnup at the top end of the stainless steel bucket body; the top of the stainless steel bottom plate is provided with a bottom plate flanging which is in butt joint with the barrel body lower side flanging at the bottom end of the stainless steel barrel body, the stainless steel bottom plate is connected with the barrel body through the top plate flanging and the bottom plate flanging, and the bonding, flanging or welding process can be selected. The manufacturing process of the ton barrel comprises the steps of raw material inspection, coil stock flattening and cutting, part punch forming, surface treatment, assembly and connection, accessory installation, cleaning and drying and quality inspection. Innovative processes such as a bonding technology, square hemming and roll welding or argon arc welding are applied, the production efficiency is remarkably improved, the manufacturing cost is reduced, and the defects such as thermal deformation and sealing performance problems existing in a traditional process are overcome.

Description

Technical Field

[0001] The present invention belongs to the technical field of ton barrels, and in particular relates to a stainless steel ton barrel and a manufacturing method thereof. Background Art

[0002] Ton barrels, also known as container barrels, ton packaging or IBC (Intermediate Bulk Container), have been widely used in the field of liquid product packaging and storage and transportation due to their high transportation efficiency, good corrosion resistance, economical and durable performance and many other advantages. Whether in the chemical, food, pharmaceutical or other industries, ton barrels have become an indispensable packaging tool.

[0003] Currently, the main raw material used for IBC barrels is polyethylene. Due to the electrical insulation and poor heat dissipation properties of the material, static electricity may accumulate during the liquid transportation process. This static electricity accumulation may cause an explosion under extreme conditions, especially for some flammable and explosive hazardous chemical liquids, posing a serious threat to personnel safety and the production environment.

[0004] The Chinese invention patent with the publication number "CN209739871U" in the prior art involves a stainless steel IBC barrel for liquid hazardous waste. The material of the IBC barrel is changed from polyethylene to stainless steel. Due to the excellent corrosion resistance, electrical conductivity and thermal conductivity of stainless steel, static electricity can be effectively released and eliminated to avoid danger. However, this stainless steel barrel has a complex structure, a large number of components, a large weight and high cost, and is difficult to be widely used.

[0005] The Chinese invention patent with the publication number of "CN 214494216U" in the prior art relates to a general-purpose wide-mouth stainless steel barrel, which optimizes the structure of the IBC barrel, has a simpler structure and fewer accessories, and can save a certain amount of parts cost. However, in the manufacturing process of the stainless steel barrel body of this structure, the top plate, barrel body and bottom plate of the barrel body need to be butt-welded together, and it is necessary to manually spot weld and position the joints in advance, and then use a argon arc welding machine to continuously weld. Since the plate material of the barrel body is very thick, it is very easy to deform during the welding process, especially when the heat accumulation generated by continuous welding causes different thermal expansion and contraction sizes at different distances from the joints, and wave-shaped deformation is inevitable at the joints. It is necessary to manually grind the welds, and even some welds have defects such as sand holes that affect the sealing performance after manual grinding. The production efficiency is very low and it is also necessary to increase the leak detection process. The manufacturing cost is very high and it is difficult to produce on a large scale.

[0006] In summary, stainless steel ton barrels have excellent comprehensive performance in corrosion resistance and static conductivity, and have a wide range of application prospects in the liquid storage and transportation industry, which is people-oriented and safety-first. However, due to the complex structure or manufacturing process of similar products, their cost remains high and cannot be used on a large scale. Therefore, it is necessary to improve the existing stainless steel ton barrels and their manufacturing methods. In view of this, a stainless steel ton barrel and its manufacturing method are proposed. Summary of the invention

[0007] The present invention aims to solve the technical problems of low efficiency and high cost of the stainless steel ton barrel structure and its manufacturing method in the above-mentioned prior art, and provides a high-efficiency stainless steel ton barrel and its manufacturing method with simple structure, low overall cost, and adjustable according to different subdivided uses.

[0008] To achieve the above object, the present invention provides the following technical solutions:

[0009] A stainless steel ton barrel comprises a stainless steel top plate, a stainless steel barrel body and a stainless steel bottom plate, wherein the upper end of the stainless steel barrel body is butted against the stainless steel top plate, and the lower end is butted against the stainless steel bottom plate;

[0010] The bottom of the stainless steel top plate is provided with a top plate flange that is butted against the upper flange of the barrel body at the top of the stainless steel barrel body;

[0011] The top of the stainless steel bottom plate is provided with a bottom plate flange which is butted with the lower side flange of the barrel body at the bottom end of the stainless steel barrel body.

[0012] Preferably, the sizes of the upper flange of the barrel body and the lower flange of the barrel body are 8-10 mm respectively, and the sizes of the top plate flange and the bottom plate flange are 8-10 mm respectively.

[0013] Preferably, the sizes of the upper flange and the lower flange of the barrel body are 3-5 mm respectively, and the sizes of the top plate flange and the bottom plate flange are 8-10 mm respectively.

[0014] Preferably, the sizes of the upper flange and the lower flange of the barrel body are 3-5mm respectively, and the sizes of the top plate flange and the bottom plate flange are 3-5mm respectively.

[0015] A method for manufacturing a stainless steel ton barrel specifically comprises the following steps:

[0016] S1. Raw material inspection and preparation: Stainless steel coils are quality inspected before storage, including document inspection, appearance and component analysis, and then the manufacturing process and flanging parameters are determined according to the purpose described in the order;

[0017] S2. Unwinding and cutting the coils: The stainless steel coils are unwound on the unwinding machine, and the burrs on the edges of the steel are removed on the deburring machine by a high-speed rotating abrasive belt or grinding wheel to obtain a smooth edge. The steel plates are straightened and squeezed by a leveling machine to make the stainless steel plates flat. The steel plates are cut into sizes corresponding to the parameters determined in step S1 by mechanical shearing or laser cutting.

[0018] S3, component stamping and forming: adjusting the mold insert according to the flanging size determined in step S1, and stamping the top plate and bottom plate cut in step S2 into the required stainless steel top plate and stainless steel bottom plate of the ton barrel; using a roller press to roll the barrel body plate cut in step S2 into the shape of the barrel body, and welding the longitudinal seams of the semi-finished barrel body by laser welding or argon arc welding, and flanging the welded straight barrel body by a special flanging machine according to the parameters determined in step S1;

[0019] S4, Surface treatment: According to the order requirements, the stainless steel top plate, stainless steel bottom plate and stainless steel bottom plate are polished or brushed;

[0020] S5, assembling and connecting: according to the process determined in step S1, the stainless steel top plate, the stainless steel bottom plate and the stainless steel barrel body are connected by bonding, crimping or welding;

[0021] S6. Accessories installation: Install single-head external thread, ball valve, and manhole cover accessories on ton barrels;

[0022] S7, cleaning and drying: Clean and dry the ton barrel assembly to remove impurities in the manufacturing process;

[0023] S8. Quality inspection and finished product storage: Inspect the appearance and sealing of ton barrels to ensure that each product meets the quality standards. Finished products that pass the inspection will be packaged and sent to the finished product warehouse for storage.

[0024] Preferably, in step S1, for the stainless steel ton barrel made by the bonding process, the sizes of the upper flange and the lower flange of the barrel body are 8-10 mm respectively, and the sizes of the top plate flange and the bottom plate flange are 8-10 mm respectively;

[0025] In step S1, for the stainless steel ton barrel made by the curling process, the sizes of the upper flange of the barrel body and the lower flange of the barrel body are 3-5 mm respectively, and the sizes of the top plate flange and the bottom plate flange are 8-10 mm respectively;

[0026] In step S1, for the stainless steel ton barrel made by welding process, the size of the upper flange and the lower flange of the barrel body are 3-5mm respectively, and the size of the top plate flange and the bottom plate flange are 3-5mm respectively.

[0027] Preferably, in step S5, when the stainless steel top plate, the stainless steel bottom plate and the stainless steel barrel bottom plate are connected by a bonding process, the adhesive is evenly applied to the upper flange of the barrel body, the top plate flange, the lower flange of the barrel body and the bottom plate flange using a glue coating nozzle, and the flange joints are bonded at corresponding temperatures, pre-pressures and holding times according to the characteristics of different adhesives to ensure the consistency of the bonding strength of the ton barrel joints.

[0028] Preferably, in step S5, when the stainless steel top plate, the stainless steel bottom plate and the stainless steel barrel body are connected by a crimping process, the stainless steel top plate, the stainless steel bottom plate and the stainless steel barrel body are fixed on a crimping machine, and the top plate flange of the stainless steel top plate and the bottom plate flange of the stainless steel bottom plate, which are longer than the barrel body flange, are gradually rolled up by the spinning roller of the crimping machine to create an interlocking seam, and the stainless steel top plate is tightly combined with the upper flange of the barrel body and the stainless steel bottom plate is tightly combined with the lower flange of the barrel body.

[0029] Preferably, in step S5, when the stainless steel top plate, the stainless steel bottom plate and the stainless steel barrel body are connected by welding, the stainless steel top plate, the stainless steel bottom plate and the stainless steel barrel body are fixed on the welding tooling, and the stainless steel top plate is welded to the upper flange of the barrel body, and the stainless steel bottom plate is welded to the lower flange of the barrel body by rolling welding or argon arc welding.

[0030] Preferably, the sealing inspection is carried out by combining the first piece and the last piece inspection with the sampling inspection.

[0031] Compared with the prior art, the technical effects and advantages of the present invention are:

[0032] The stainless steel ton barrel and its manufacturing method, the design of the stainless steel top plate, the top plate flange and the stainless steel barrel body flange can effectively reduce the deformation of the thin plate, avoid the need for manual repair due to the large deformation of the thin plate, and greatly improve the production efficiency of the stainless steel ton barrel. The stainless steel top plate, the top plate flange and the flange on the stainless steel barrel body are in surface contact, which significantly improves the sealing performance compared with the welding process of upper and lower thin plates in line contact adopted by the industry;

[0033] The flanges at the joints between the stainless steel top plate and the stainless steel barrel body, and the flanges at the joints between the stainless steel barrel body and the stainless steel bottom plate respectively constitute two circumferential reinforcement ribs of the ton barrel, greatly enhancing the firmness of the barrel body;

[0034] The flanging increases the contact area between the barrel body and the stainless steel top plate, the top plate flanging and the stainless steel barrel body, which greatly reduces the strength requirements for the connection. According to different industries, a variety of connection methods such as bonding, crimping or welding can be adopted, and the application range is wider. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1This is a schematic diagram of the structure of the barrel body, top plate and bottom plate of the present invention, wherein the flange size is 8-10 mm;

[0036] Figure 2 This is a schematic diagram of the structure of the barrel body of the present invention, in which the flange size is 3-5 mm, and the flange sizes of the top plate and the bottom plate are 8-10 mm;

[0037] Figure 3 This is a schematic diagram of the structure of the barrel body of the present invention, in which the flange size is 3-5mm, and the flange sizes of the top plate and the bottom plate are 3-5mm;

[0038] Figure 4 It is the bonding process diagram of the present invention;

[0039] Figure 5 It is the curling process diagram of the present invention;

[0040] Figure 6 It is the welding process diagram of the present invention;

[0041] Figure 7 It is a process flow chart of the present invention.

[0042] In the figure: 1. Stainless steel top plate; 11. Top plate flange; 2. Stainless steel barrel; 21. Bottom plate flange;

[0043] 3. Stainless steel bottom plate; 31. Upper flange of the barrel; 32. Lower flange of the barrel;

[0044] 4. Glue coating nozzle; 5. Spinning roller; 6. Roll welding wheel. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0046] The following is combined with Figure 1-7 To further explain this application in detail,

[0047] The embodiment of the present application discloses a stainless steel ton barrel, comprising a stainless steel top plate 1, a stainless steel barrel body 2 and a stainless steel bottom plate 3, wherein the upper end of the stainless steel barrel body 2 is connected to the stainless steel top plate 1, and the lower end is connected to the stainless steel bottom plate 3; the bottom of the stainless steel top plate 1 is provided with a top plate flange 11 connected to the upper flange 31 of the barrel body at the top of the stainless steel barrel body 2; the top of the stainless steel bottom plate 3 is provided with a bottom plate flange 21 connected to the lower flange 32 of the barrel body at the bottom end of the stainless steel barrel body 2.

[0048] During the connection process, the inner sides of the three flanges are aligned, and then according to different uses, the bonding, crimping or welding process is selected to connect the flanged parts of the top plate and the barrel body, and the barrel body and the bottom plate.

[0049] A method for manufacturing a stainless steel ton barrel specifically comprises the following steps:

[0050] S1. Raw material inspection and preparation: Stainless steel coils are inspected before storage, including document inspection, appearance and component analysis. The manufacturing process and flanging parameters are then determined based on the purpose described in the order. Component analysis is performed using a spectrometer, which is a very important part of ensuring the quality of ton barrels.

[0051] Ton barrels are widely used in many industries such as chemical, food or medicine. However, different industries and different customers often have some differentiated and customized needs. We are fully adaptable to the differentiated and customized ton barrel needs of different customers in various industries. For example:

[0052] The industry has extremely high requirements for the freshness of liquids stored and transported. If there is any residue from the previous transportation, it will quickly ferment and deteriorate, affecting the next storage and transportation. Therefore, the connection process between the barrel body, top plate and bottom plate is bonding. After each storage and transportation, use a glue remover to remove the adhesive at the joints, open the barrel body and thoroughly clean the inside to ensure that there is no residue; then re-bond the barrel body, top plate and bottom plate, and reuse them to practice the circular economy of carbon reduction.

[0053] The liquids stored and transported by the industry are environmentally friendly and insensitive to residues. Then the connection process of the barrel body, top plate and bottom plate is selected as curling, which has high production efficiency and very beautiful seams.

[0054] The liquids stored and transported by the industry are toxic or flammable and explosive, and the sealing requirements are extremely high. In this case, the connection process between the barrel body, the top plate and the bottom plate is welding, which has high production efficiency and the best sealing effect.

[0055] For stainless steel ton barrels made by bonding process, the flange size parameters should be determined according to the bonding strength of the adhesive used. According to actual production, the stainless steel barrel body 2 with the size of the upper flange 31 and the lower flange 32 of the barrel body being 8-10 mm respectively, the size of the top plate flange 11 and the bottom plate flange 21 being 8-10 mm respectively, is selected to make the stainless steel ton barrel;

[0056] For stainless steel ton barrels made by curling process, the flange size parameters should be determined according to the material thickness of the barrel body, top plate and bottom plate. According to actual production, the stainless steel barrel body 2 with the size of the upper flange 31 and the lower flange 32 of the barrel body being 3-5mm respectively, the size of the top plate flange 11 and the bottom plate flange 21 being 8-10mm respectively, is selected to make the stainless steel ton barrel;

[0057] For stainless steel ton barrels made by welding, the flange size parameters should be determined according to the material thickness of the barrel body, top plate and bottom plate. According to actual production, the stainless steel barrel body 2 with the size of the upper flange 31 and the lower flange 32 of the barrel body being 3-5mm respectively, the size of the top plate flange 11 and the bottom plate flange 21 being 3-5mm respectively, is selected to make the stainless steel ton barrel;

[0058] S2. Unwinding and cutting the coils: The stainless steel coils are unwound on the unwinding machine, and the burrs on the edges of the steel are removed on the deburring machine by a high-speed rotating abrasive belt or grinding wheel to obtain a smooth edge. The steel plates are straightened and squeezed by a leveling machine to make the stainless steel plates flat. The steel plates are cut into sizes corresponding to the parameters determined in step S1 by mechanical shearing or laser cutting.

[0059] S3, component stamping and forming: adjusting the mold insert according to the flanging size determined in step S1, and stamping the top plate and bottom plate materials cut in step S2 into the required stainless steel top plate 1 and stainless steel bottom plate 3 of the ton barrel; using a roller press to roll the barrel body sheet cut in step S2 into the shape of the barrel body, and welding the longitudinal seams of the semi-finished barrel body by laser welding or argon arc welding, and flanging the welded straight barrel body by a special flanging machine according to the parameters determined in step S1;

[0060] S4, surface treatment: according to the order requirements, the stainless steel top plate 1, stainless steel bottom plate 3 and stainless steel bottom plate 3 are polished or brushed to make the inner and outer surfaces of the stainless steel barrel brighter and smoother;

[0061] S5, assembling and connecting: according to the process determined in step S1, the stainless steel top plate 1, the stainless steel bottom plate 3 and the stainless steel barrel body 2 are connected by bonding, crimping or welding;

[0062] If the stainless steel top plate 1, the stainless steel bottom plate 3 and the bottom plate of the stainless steel barrel body 2 are connected by a bonding process, the adhesive is evenly applied to the upper flange 31 of the barrel body, the top plate flange 11, the lower flange 32 of the barrel body and the bottom plate flange 21 using a glue coating nozzle 4, and the flange joints are bonded at corresponding temperatures, pre-pressures and holding times according to the characteristics of different adhesives to ensure the consistency of the bonding strength of the ton barrel joints.

[0063] If the stainless steel top plate 1, the stainless steel bottom plate 3 and the stainless steel barrel body 2 are connected by a curling process, the stainless steel top plate 1, the stainless steel bottom plate 3 and the stainless steel barrel body 2 are fixed on a curling machine, and the spinning roller 5 of the curling machine is used to gradually roll up the parts of the top plate flange 11 of the stainless steel top plate 1 and the bottom plate flange 21 of the stainless steel bottom plate 3 that are longer than the barrel body flange, so as to create an interlocking seam, and tightly combine the stainless steel top plate 1 with the upper flange of the barrel body, and the stainless steel bottom plate 3 with the lower flange of the barrel body.

[0064] If the stainless steel top plate 1, the stainless steel bottom plate 3 and the stainless steel barrel body 2 are connected by welding, the stainless steel top plate 1, the stainless steel bottom plate 3 and the stainless steel barrel body 2 are fixed on the welding tool, and the stainless steel top plate 1 and the upper flange of the barrel body, and the stainless steel bottom plate 3 and the lower flange of the barrel body are welded together by rolling welding wheel 6 or argon arc welding.

[0065] S6. Accessories installation: Install single-head external thread, ball valve, and manhole cover accessories on ton barrels;

[0066] S7, cleaning and drying: Clean and dry the ton barrel assembly to remove impurities in the manufacturing process; ensure that impurities generated in the manufacturing process are cleaned up to avoid flowing into subsequent links;

[0067] S8. Quality inspection and finished product storage: Carry out appearance and sealing inspection on ton barrels; appearance inspection is 100% inspection; sealing inspection adopts first piece and last piece inspection combined with sampling inspection; ensure that each product meets the quality standards, and the qualified finished products will be packaged and sent to the finished product warehouse for storage.

[0068] The stainless steel ton barrel of the present invention has good sealing performance. The top plate flange 11 of the stainless steel top plate 1, the upper flange 31 of the stainless steel barrel body 2, the lower flange 32 of the barrel body and the bottom plate flange 21 of the stainless steel bottom plate 3 are in surface contact, which significantly improves the sealing performance of the ton barrel in the form of upper and lower thin plate line contact currently used in the industry. In the batch production process, when the production line is started or stopped, the sealing inspection adopts the first piece and the last piece inspection, and is combined with the sampling inspection. Compared with the full inspection currently used in the industry, the production efficiency is significantly improved and the manufacturing cost is greatly reduced.

[0069] The stainless steel ton barrel and its manufacturing method fully consider the design, manufacturing and assembly of the stainless steel ton barrel, and formulate a detailed manufacturing process flow of the stainless steel ton barrel from the aspects of structural rationality, manufacturing efficiency and quality reliability.

[0070] The raw material stainless steel coils are quality inspected before entering the raw material warehouse, the manufacturing process of stainless steel ton barrels is determined according to the purpose described in the order, the flanging parameters are determined according to different processes, the coils are leveled on the machine and cut according to the flanging parameters, the top and bottom plates of the ton barrels are stamped, the barrel body of the ton barrel is rolled and the barrel body is welded and flanging, polishing or brushing and other surface treatment processes are selected according to the order requirements, the appropriate connection process between the barrel body and the top and bottom plates is selected according to different purposes, the remaining accessories of the ton barrel are installed, the whole is cleaned and dried, the ton barrel assembly is quality inspected, packaged and put into the finished product warehouse; a bonding process for stainless steel ton barrels is proposed, which is currently impossible to achieve with the thin plate butt welding process used in the industry. The most significant advantage is that there is no dead angle for cleaning, which is extremely important in the storage and transportation industry of some liquids that are easy to deteriorate and sensitive to pollution.

[0071] The present invention proposes a curling process for square stainless steel ton barrels, which is unattainable by the thin plate butt welding process currently used in the industry. The most significant advantage is that the production efficiency is extremely high and the sturdiness of the cut barrel body is the best. It is proposed that the stainless steel top plate 1, the top plate flange 11 and the stainless steel barrel body 2 seams of the stainless steel ton barrel are rolled (or argon arc welded). Compared with the thin plate butt welding process currently used in the industry, it solves the problem of thermal deformation of the thin plate requiring manual butt repair and other processes. After the manufacturing process is stable, the sealing inspection can be changed from full inspection to random inspection, which greatly reduces the manufacturing cost. It is of great significance especially for the storage and transportation of some toxic or flammable and explosive ton barrels with strict sealing requirements.

[0072] The present invention innovatively proposes the concept of flexible manufacturing of stainless steel ton barrels, and combines the three connection processes of bonding, crimping and welding used in manufacturing the stainless steel ton barrels described in the present invention into a co-production line, which greatly improves the production efficiency. The present invention proposes a stainless steel ton barrel with a circle of flanges at the joints of the stainless steel top plate 1, the top plate flange 11 and the stainless steel barrel body 2, which has a simple structure, good sealing, high production efficiency, low production cost, and a wide range of applications.

[0073] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A stainless steel ton barrel, comprising a stainless steel top plate (1), a stainless steel barrel body (2) and a stainless steel bottom plate (3), characterized in that: The upper end of the stainless steel barrel body (2) is butted against the stainless steel top plate (1), and the lower end is butted against the stainless steel bottom plate (3); The bottom of the stainless steel top plate (1) is provided with a top plate flange (11) that is butted against an upper flange (31) on the top of the stainless steel barrel body (2); The top of the stainless steel bottom plate (3) is provided with a bottom plate flange (21) that is butted against a lower flange (32) of the barrel body at the bottom end of the stainless steel barrel body (2).

2. A stainless steel ton barrel according to claim 1, characterized in that: The sizes of the upper flange (31) of the barrel body and the lower flange (32) of the barrel body are 8-10 mm respectively, and the sizes of the top plate flange (11) and the bottom plate flange (21) are 8-10 mm respectively.

3. The stainless steel ton barrel according to claim 1, characterized in that: The sizes of the upper flange (31) of the barrel body and the lower flange (32) of the barrel body are 3-5 mm respectively, and the sizes of the top plate flange (11) and the bottom plate flange (21) are 8-10 mm respectively.

4. The stainless steel ton barrel according to claim 1, characterized in that: The sizes of the upper flange (31) of the barrel body and the lower flange (32) of the barrel body are 3-5 mm respectively, and the sizes of the top plate flange (11) and the bottom plate flange (21) are 3-5 mm respectively.

5. A method for manufacturing a stainless steel ton barrel according to any one of claims 1 to 4, characterized in that: The specific steps include: S1. Raw material inspection and preparation: Stainless steel coils are quality inspected before storage, including document inspection, appearance and component analysis, and then the manufacturing process and flanging parameters are determined according to the purpose described in the order; S2. Unwinding and cutting the coils: The stainless steel coils are unwound on the unwinding machine, and the burrs on the edges of the steel are removed on the deburring machine by a high-speed rotating abrasive belt or grinding wheel to obtain a smooth edge. The steel plates are straightened and squeezed by a leveling machine to make the stainless steel plates flat. The steel plates are cut into sizes corresponding to the parameters determined in step S1 by mechanical shearing or laser cutting. S3, component stamping and forming: adjusting the mold insert according to the flange size determined in step S1, and stamping the top plate and bottom plate materials cut in step S2 into the required stainless steel top plate (1) and stainless steel bottom plate (3) of the ton barrel; using a roller press to roll the barrel body sheet cut in step S2 into the shape of the barrel body, and welding the longitudinal seams of the rolled semi-finished barrel body by laser welding or argon arc welding, and flanging the welded straight barrel body by a special flanging machine according to the parameters determined in step S1; S4, surface treatment: according to the order requirements, the stainless steel top plate (1), the stainless steel bottom plate (3) and the stainless steel bottom plate (3) are subjected to a polishing or brushing surface treatment process; S5, assembling and connecting: according to the process determined in step S1, the stainless steel top plate (1), the stainless steel bottom plate (3) and the stainless steel barrel body (2) are connected by bonding, crimping or welding; S6. Accessories installation: Install single-head external thread, ball valve, and manhole cover accessories on ton barrels; S7, cleaning and drying: Clean and dry the ton barrel assembly to remove impurities in the manufacturing process; S8. Quality inspection and finished product storage: Inspect the appearance and sealing of ton barrels to ensure that each product meets the quality standards. Finished products that pass the inspection will be packaged and sent to the finished product warehouse for storage.

6. The method for manufacturing a stainless steel ton barrel according to claim 5, characterized in that: In step S1, for the stainless steel ton barrel made by the bonding process, the sizes of the upper flange (31) and the lower flange (32) of the barrel body are 8-10 mm respectively, and the sizes of the top plate flange (11) and the bottom plate flange (21) are 8-10 mm respectively; For stainless steel ton barrels made by the curling process, the sizes of the upper flange (31) and the lower flange (32) of the barrel body are 3-5 mm respectively, and the sizes of the top plate flange (11) and the bottom plate flange (21) are 8-10 mm respectively; For stainless steel ton barrels made by welding, the sizes of the upper flange (31) and the lower flange (32) of the barrel body are 3-5 mm respectively, and the sizes of the top plate flange (11) and the bottom plate flange (21) are 3-5 mm respectively.

7. The method for manufacturing a stainless steel ton barrel according to claim 5, characterized in that: In step S5, when the stainless steel top plate (1), the stainless steel bottom plate (3) and the bottom plate of the stainless steel barrel body (2) are connected by a bonding process, the adhesive is evenly applied to the upper flange (31) of the barrel body, the top plate flange (11), the lower flange (32) of the barrel body and the bottom plate flange (21) using a glue coating nozzle (4), and the flange joints are bonded at corresponding temperatures, pre-pressures and holding times according to the characteristics of different adhesives to ensure the consistency of the bonding strength of the ton barrel joints.

8. The method for manufacturing a stainless steel ton barrel according to claim 5, characterized in that: In step S5, when the stainless steel top plate (1), the stainless steel bottom plate (3) and the stainless steel barrel body (2) are connected by a curling process, the stainless steel top plate (1), the stainless steel bottom plate (3) and the stainless steel barrel body (2) are fixed on a curling machine, and the top plate flange (11) of the stainless steel top plate (1) and the bottom plate flange (21) of the stainless steel bottom plate (3) are gradually rolled up by a spinning roller of the curling machine, which is longer than the barrel body flange, to create an interlocking seam, and to tightly combine the stainless steel top plate (1) and the upper flange of the barrel body, and the stainless steel bottom plate (3) and the lower flange of the barrel body.

9. The method for manufacturing a stainless steel ton barrel according to claim 5, characterized in that: In step S5, when the stainless steel top plate (1), the stainless steel bottom plate (3) and the stainless steel barrel body (2) are connected by welding, the stainless steel top plate (1), the stainless steel bottom plate (3) and the stainless steel barrel body (2) are fixed on a welding tool, and the stainless steel top plate (1) and the upper flange of the barrel body, and the stainless steel bottom plate (3) and the lower flange of the barrel body are welded together by rolling welding or argon arc welding using a rolling welding wheel (6).

10. The method for manufacturing a stainless steel ton barrel according to claim 5, characterized in that: The sealing inspection is carried out by combining the first piece and the last piece inspection with sampling inspection.

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