Process for manufacturing storage tank

Abstract

The invention relates to a process for manufacturing a storage tank, and relates to the field of raw material storage equipment. The process for manufacturing the storage tank comprises the steps that pipe cutting is conducted, specifically, a cylindrical pipe is selected and cut according to the preset size, and an initial pipe is formed; clamping and fixing are conducted, specifically, the initial pipe material is clamped and fixed through multi-point positioning, and a to-be-spun pipe material is formed; spinning forming is conducted, specifically, spinning necking forming is conducted on the two ends of the pipe material to be spun in sequence, and a storage tank initial blank is formed; heat treatment is conducted, specifically, the storage tank initial blank is subjected to heat processing treatment to form a first semi-finished storage tank; surface polishing: finely polishing the surface of the first semi-finished storage tank to form a second semi-finished storage tank; welding: welding a nut on the outer surface of the second semi-finished storage tank to form a finished storage tank. The spinning die can be integrally formed through spinning, automatic production is achieved, the product percent of pass is increased, and production cost is saved.

Description

Technical Field

[0001] The present invention belongs to the field of raw material storage equipment, and particularly relates to a process for manufacturing a storage tank. Background Art

[0002] In the conventional processing and production method, it is processed in a split manner and finally welded and combined. There is weld accumulation on the surface of the tank body, and the aesthetics is poor. There are many manufacturing processes, and the welding quality stability depends highly on personnel and technical requirements. The process is cumbersome, the personnel ratio is large, and the final production cost is not low, making the market competition advantage passive. Moreover, there is a risk of crack propagation in the welded tank body, which is not conducive to long-term use.

[0003] Therefore, a process for manufacturing a storage tank is designed, which can improve the product qualification rate and save production costs through automated production. Summary of the Invention

[0004] Based on this, the present invention aims to overcome the defects of the prior art and provides a process for manufacturing a storage tank. A cylindrical pipe material is selected and cut according to a preset size to form an initial pipe material; the initial pipe material is clamped and fixed through multi-point positioning to form a pipe material to be spin-formed; the two ends of the pipe material to be spin-formed are sequentially subjected to spin-compression forming to form a storage tank blank; the storage tank blank is subjected to hot processing to form a first semi-finished storage tank; the surface of the first semi-finished storage tank is finely polished to form a second semi-finished storage tank; and welding is performed to weld nuts on the outer surface of the second semi-finished storage tank to form a finished storage tank. It can be integrally formed by spin forming and automated production, improve the product qualification rate, and save production costs.

[0005] The first technical solution provided by the present invention:

[0006] A process for manufacturing a storage tank, comprising:

[0007] Pipe material cutting: A cylindrical pipe material is selected and cut according to a preset size to form an initial pipe material;

[0008] Clamping and fixing: The initial pipe material is clamped and fixed through multi-point positioning to form a pipe material to be spin-formed;

[0009] Spin forming: The two ends of the pipe material to be spin-formed are sequentially subjected to spin-compression forming to form a storage tank blank;

[0010] Heat treatment: The storage tank blank is subjected to hot processing to form a first semi-finished storage tank;

[0011] Surface polishing: The surface of the first semi-finished storage tank is finely polished to form a second semi-finished storage tank;

[0012] Welding: Nuts are welded on the outer surface of the second semi-finished storage tank to form a finished storage tank.

[0013] Further, in the spin forming step, it includes:

[0014] Obtain the axial dimension L of the tube blank to be spin formed 1 , and obtain the axial dimension L of the initial blank of the storage tank 2 , analyze the axial compression amount ΔL of the initial blank of the storage tank, where ΔL = L 1 - L 2 ;

[0015] Compare the axial compression amount ΔL of the initial blank of the storage tank with the preset axial compression amount ΔL of the initial blank of the storage tank 预 , analyze the axial compression amount deviation q between the axial compression amount ΔL of the initial blank of the storage tank and the preset axial compression amount ΔL of the initial blank of the storage tank 预 , where

[0016] Judge whether the axial compression amount deviation q is less than 0.05%; if the axial compression amount deviation q is less than or equal to 0.05%, output the first compliance signal; if the axial compression amount deviation q is greater than 0.05%, output the first correction signal.

[0017] Further, in the spin forming step, it includes:

[0018] Obtain the radial dimension D of the tube blank to be spin formed 1 , and obtain the radial dimension D of the initial blank of the storage tank 2 , analyze the radial compression amount ΔD of the initial blank of the storage tank, where ΔD = D 1 - D 2 ;

[0019] Compare the radial compression amount ΔD of the initial blank of the storage tank with the preset radial compression amount ΔD of the initial blank of the storage tank 预 , analyze the radial compression amount deviation δ between the radial compression amount ΔD of the initial blank of the storage tank and the preset radial compression amount ΔD of the initial blank of the storage tank 预 , where

[0020] Judge whether the radial compression amount deviation δ is less than 0.05%; if the radial compression amount deviation δ is less than or equal to 0.05%, output the second compliance signal; if the radial compression amount deviation δ is greater than 0.05%, output the second correction signal.

[0021] Further, in the spin forming step, it further includes:

[0022] If the first compliance signal and the second compliance signal are received simultaneously, then it is determined that the axial dimension L 2 and the radial dimension D 2 of the initial blank of the storage tank are correct, and send the first passing instruction to perform the heat treatment step;

[0023] If the first correction signal and / or the second correction signal is received, determine the axial dimension L of the initial blank of the storage tank 2 and the radial dimension D 2 are incorrect, send the first pause instruction, and perform the axial dimension L 2 and the radial dimension D 2 correction.

[0024] Furthermore, in the heat treatment step, it includes:

[0025] Obtain the initial temperature T of the initial blank of the storage tank 0 , obtain the real-time temperature T of the first semi-finished storage tank 测 ;

[0026] According to the heat treatment temperature curve where β represents the material coefficient, obtain the calculated temperature T 计 ;

[0027] Perform data matching on the real-time temperature T 测 and the calculated temperature T 计 and output a temperature matching signal.

[0028] Furthermore, in the heat treatment step, it includes:

[0029] Receive the temperature matching signal, and judge whether the real-time temperature T of the first semi-finished storage tank 测 is reasonable, and output a temperature stability signal and a temperature adjustment signal respectively;

[0030] If the temperature stability signal is received, it is determined that the real-time temperature T of the first semi-finished storage tank 测 is normal, and send a maintenance instruction to maintain the real-time temperature T of the first semi-finished storage tank 测 ; if the temperature adjustment signal is received, it is determined that the real-time temperature T of the first semi-finished storage tank 测 is abnormal, and judge whether the real-time temperature T of the first semi-finished storage tank 测 is too large or too small;

[0031] If it is judged that the real-time temperature T of the first semi-finished storage tank 测 is too large, send a cooling instruction to reduce the heat treatment process temperature; if it is judged that the real-time temperature T of the first semi-finished storage tank 测 is too small, send a heating instruction to increase the heat treatment process temperature.

[0032] Furthermore, in the surface grinding step, it includes:

[0033] Obtain the roughness Ra of the second semi-finished storage tank 1 ;

[0034] Compare with the preset roughness Ra of the second semi-finished storage tank 0; Analyze the roughness Ra of the second semi-finished product storage tank 1 and the preset roughness Ra of the second semi-finished product storage tank 0 for the roughness deviation γ, where

[0035] judge whether the roughness deviation γ is less than or equal to the preset roughness deviation γ 预 ;

[0036] If the roughness deviation γ is less than or equal to the preset roughness deviation γ 预 , then output the first surface finish signal; if the roughness deviation γ is greater than the preset roughness deviation γ 预 , then output the second surface finish signal.

[0037] Furthermore, in the surface grinding step, it includes:

[0038] Receive the first surface finish signal, then determine that the roughness Ra of the second semi-finished product storage tank 1 is correct, and send a roughness inspection passed instruction to proceed with the welding step; receive the second surface finish signal, then determine that the roughness Ra of the second semi-finished product storage tank 1 is too large, and send a fine grinding instruction to perform fine grinding on the second semi-finished product storage tank to adjust the roughness Ra of the second semi-finished product storage tank 1 so that the roughness deviation γ is less than or equal to the preset roughness deviation γ 预 .

[0039] Furthermore, in the welding step, it includes:

[0040] Obtain the weld width B at the nut welding position of the finished product storage tank 0 , compare and analyze the weld width B 0 to see if it is within the preset weld width range [B min , B max ;

[0041] If the weld width B 0 is within the preset weld width range [B min , B max , then output the first weld signal; if the weld width B 0 is less than the minimum value B of the preset weld width min , then output the second weld signal; if the weld width B 0 is greater than the maximum value B of the preset weld width max , then output the third weld signal.

[0042] Furthermore, in the welding step, it includes:

[0043] Receive the first weld signal, then determine the weld width B 0Correct, and send the weld width through the instruction;

[0044] Receive the second weld signal, then determine the weld width B 0 Too small, and send a weld increasing instruction to further weld the nut welding part of the finished storage tank;

[0045] Receive the third weld signal, then determine the weld width B 0 Too large, and send a weld decreasing instruction to perform cutting treatment on the nut welding part of the finished storage tank.

[0046] The beneficial effects of the present invention are as follows:

[0047] Select a cylindrical pipe material and cut it according to a preset size to form an initial pipe material; clamp and fix the initial pipe material through multi-point positioning to form a pipe material to be spun; perform spin-compression and necking forming on both ends of the pipe material to be spun in sequence to form a storage tank blank; perform hot processing on the storage tank blank to form a first semi-finished storage tank; perform fine grinding on the surface of the first semi-finished storage tank to form a second semi-finished storage tank; weld, weld nuts on the outer surface of the second semi-finished storage tank to form a finished storage tank. It can be integrally formed by spinning, with automated production, improving the product qualification rate and saving production costs. Description of the Drawings

[0048] Figure 1 It is a step diagram of the process for manufacturing a storage tank according to an embodiment of the present invention;

[0049] Figure 2 It is a schematic structural diagram of the first stage process of spin forming in the process for manufacturing a storage tank according to an embodiment of the present invention;

[0050] Figure 3 It is a schematic structural diagram of the second stage process of spin forming in the process for manufacturing a storage tank according to an embodiment of the present invention;

[0051] Figure 4 It is a schematic structural diagram of the storage tank blank in the process for manufacturing a storage tank according to an embodiment of the present invention;

[0052] Figure 5 It is a schematic structural diagram of the finished storage tank in the process for manufacturing a storage tank according to an embodiment of the present invention.

[0053] Description of the Reference Numerals:

[0054] S1, pipe material cutting; S2, clamping and fixing; S3, spin forming; S4, heat treatment; S5, surface grinding; S6, welding; 1, pipe material to be spun; 2, storage tank blank; 3, nut; 4, finished storage tank. Detailed Embodiments

[0055] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the following will, with reference to the accompanying drawings in the embodiments of this application, clearly and completely describe the technical solutions in the embodiments of this application. Apparently, the described embodiments are some, but not all, of the embodiments of this application. Usually, the components of the embodiments of this application described and illustrated in the accompanying drawings herein can be arranged and designed in various different configurations.

[0056] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of this application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in this application without creative efforts shall fall within the scope of protection of this application.

[0057] It should be noted that: like reference numerals and letters denote like items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0058] In the description of the embodiments of this application, it should be understood that the orientation or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientation or positional relationships shown in the accompanying drawings, or the orientation or positional relationships when the product of this application is in its usual placement, or the orientation or positional relationships commonly understood by those skilled in the art. It is only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to this application.

[0059] In the description of the embodiments of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0060] It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other.

[0061] The following will describe the technical solutions in this application with reference to the accompanying drawings.

[0062] Please refer to Figures 1 to 5, an embodiment of the present application provides a process for manufacturing a storage tank. This process selects a cylindrical pipe material and cuts it according to a preset size to form an initial pipe material; the initial pipe material is clamped and fixed through multi-point positioning to form a pipe material to be spun 1; the two ends of the pipe material to be spun 1 are sequentially subjected to spin-compression forming to form a preliminary blank of the storage tank 2; the preliminary blank of the storage tank 2 is subjected to hot processing to form a first semi-finished storage tank 4; the surface of the first semi-finished storage tank 4 is finely polished to form a second semi-finished storage tank 4; welding, nuts 3 are welded to the outer surface of the second semi-finished storage tank 4 to form a finished storage tank 4. It can be integrally formed by spinning, with automated production, improving the product qualification rate and saving production costs.

[0063] A process for manufacturing a storage tank provided by this solution includes the following steps:

[0064] S1: Pipe material cutting, select a cylindrical pipe material and cut it according to a preset size to form an initial pipe material.

[0065] It should be noted that the cylindrical pipe material can be a market-standard pipe or a custom-molded one, determined according to the environment and size of the storage tank.

[0066] S2: Clamping and fixing, clamp and fix the initial pipe material through multi-point positioning to form a pipe material to be spun 1.

[0067] It should be noted that the initial pipe material is subjected to multi-point positioning by a spinning machine and clamped and fixed, which can stabilize the initial pipe material and improve the subsequent spinning accuracy.

[0068] S3: Spinning forming, sequentially perform spin-compression forming on the two ends of the pipe material to be spun 1 to form a preliminary blank of the storage tank 2.

[0069] Figure 2 is a schematic structural diagram of the first-stage process of the spin forming of the process for manufacturing a storage tank. It shows that after the pipe material to be spun 1 is clamped by a spinning machine, one end of the pipe material to be spun 1 is first spun; Figure 3 is a schematic structural diagram of the second-stage process of the spin forming of the process for manufacturing a storage tank, showing that the other end of the pipe material to be spun 1 is spun.

[0070] Specifically, it includes:

[0071] Obtain the axial dimension L of the pipe material to be spun 1 1 , obtain the axial dimension L of the preliminary blank of the storage tank 2 2 , analyze the axial compression amount ΔL of the preliminary blank of the storage tank 2, where ΔL = L 1 -L 2 ;

[0072] Compare the axial compression amount ΔL of the preliminary blank of the storage tank 2 with the preset axial compression amount ΔL of the preliminary blank of the storage tank 2 预, analyze the axial compression ΔL of the initial blank 2 of the storage tank and the preset axial compression ΔL of the initial blank 2 of the storage tank 预 of the axial compression deviation q, where

[0073] Determine whether the axial compression deviation q is less than 0.05%; if the axial compression deviation q is less than or equal to 0.05%, output the first compliance signal; if the axial compression deviation q is greater than 0.05%, output the first correction signal.

[0074] Obtain the radial dimension D of the tube blank 1 to be spun 1 , obtain the radial dimension D of the initial blank 2 of the storage tank 2 , analyze the radial compression ΔD of the initial blank 2 of the storage tank, where ΔD = D 1 -D 2 ;

[0075] Compare the radial compression ΔD of the initial blank 2 of the storage tank with the preset radial compression ΔD of the initial blank 2 of the storage tank 预 Perform, analyze the radial compression ΔD of the initial blank 2 of the storage tank and the preset radial compression ΔD of the initial blank 2 of the storage tank 预 of the radial compression deviation δ, where

[0076] Determine whether the radial compression deviation δ is less than 0.05%; if the radial compression deviation δ is less than or equal to 0.05%, output the second compliance signal; if the radial compression deviation δ is greater than 0.05%, output the second correction signal.

[0077] It should be noted that this step also includes:

[0078] If the first compliance signal and the second compliance signal are received simultaneously, it is determined that the axial dimension L 2 and the radial dimension D 2 of the initial blank 2 of the storage tank are correct, and a first pass instruction is sent to perform the heat treatment step;

[0079] If the first correction signal and / or the second correction signal are received, it is determined that the axial dimension L 2 and the radial dimension D 2 of the initial blank 2 of the storage tank are incorrect, and a first pause instruction is sent, and the axial dimension L 2 and the radial dimension D 2 are corrected.

[0080] S4: Heat treatment, perform hot working on the initial blank 2 of the storage tank to form the first semi-finished storage tank 4.

[0081] This step includes:

[0082] Obtain the initial temperature T of the initial blank 2 of the storage tank 0, obtain the real-time temperature T of the first semi-finished product storage tank 4 测 ;

[0083] According to the heat treatment temperature curve where β represents the material coefficient, obtain the calculated temperature T 计 ;

[0084] For the real-time temperature T 测 and the calculated temperature T 计 perform data matching and output a temperature matching signal.

[0085] Receive the temperature matching signal and judge whether the real-time temperature T of the first semi-finished product storage tank 4 测 is reasonable, and output a temperature stability signal and a temperature adjustment signal respectively;

[0086] If the temperature stability signal is received, it is determined that the real-time temperature T of the first semi-finished product storage tank 4 测 is normal, and a maintenance instruction is sent to maintain the real-time temperature T of the first semi-finished product storage tank 4 测 ; if the temperature adjustment signal is received, it is determined that the real-time temperature T of the first semi-finished product storage tank 4 测 is abnormal, and judge whether the real-time temperature T of the first semi-finished product storage tank 4 测 is too large or too small;

[0087] If it is judged that the real-time temperature T of the first semi-finished product storage tank 4 测 is too large, a cooling instruction is sent to reduce the heat treatment process temperature; if it is judged that the real-time temperature T of the first semi-finished product storage tank 4 测 is too small, a heating instruction is sent to increase the heat treatment process temperature.

[0088] S5: Surface polishing, finely polish the surface of the first semi-finished product storage tank 4 to form the second semi-finished product storage tank 4.

[0089] This step includes:

[0090] Obtain the roughness Ra of the second semi-finished product storage tank 4 1 ;

[0091] Compare with the preset roughness Ra of the second semi-finished product storage tank 4 0 ; Analyze the roughness Ra of the second semi-finished product storage tank 4 1 and the preset roughness Ra of the second semi-finished product storage tank 4 0 of the roughness deviation γ, where

[0092] Judge whether the roughness deviation γ is less than or equal to the preset roughness deviation γ 预 ;

[0093] If the roughness deviation γ is less than or equal to the preset roughness deviation γ预 , the first surface finish signal is output; when the roughness deviation γ is greater than the preset roughness deviation γ 预 , the second surface finish signal is output.

[0094] When the first surface finish signal is received, it is determined that the roughness Ra of the second semi-finished product storage tank 4 1 is correct, and a roughness inspection pass instruction is sent to perform the welding step; when the second surface finish signal is received, it is determined that the roughness Ra of the second semi-finished product storage tank 4 1 is too large, and a fine grinding instruction is sent to perform fine grinding on the second semi-finished product storage tank 4 to adjust the roughness Ra of the second semi-finished product storage tank 4 1 so that the roughness deviation γ is less than or equal to the preset roughness deviation γ 预 .

[0095] S6: Welding, welding nuts 3 on the outer surface of the second semi-finished product storage tank 4 to form a finished product storage tank 4.

[0096] This step includes:

[0097] Obtain the weld width B at the welding position of the nut 3 of the finished product storage tank 4 0 , compare and analyze the weld width B 0 whether it is within the preset weld width [B min , B max ;

[0098] If the weld width B 0 is within the preset weld width range [B min , B max , the first weld signal is output; if the weld width B 0 is less than the minimum value B of the preset weld width min , the second weld signal is output; if the weld width B 0 is greater than the maximum value B of the preset weld width max , the third weld signal is output.

[0099] When the first weld signal is received, it is determined that the weld width B 0 is correct, and a weld width pass instruction is sent; when the second weld signal is received, it is determined that the weld width B 0 is too small, and a weld width increase instruction is sent to further weld the welding position of the nut 3 of the finished product storage tank 4; when the third weld signal is received, it is determined that the weld width B 0 is too large, and a weld width decrease instruction is sent to perform cutting on the welding position of the nut 3 of the finished product storage tank 4.

[0100] It can be understood that the number of nuts 3 welded is not specifically limited and is determined according to the specific usage environment.

[0101] The principle of the process for manufacturing a storage tank provided in this embodiment is introduced as follows:

[0102] Select a cylindrical pipe blank and cut it according to a preset size to form an initial pipe blank for later use; use a spinning machine to clamp and fix the initial pipe blank through multi-point positioning to form a pipe blank to be spun 1 for subsequent spinning processing; perform spinning necking forming on both ends of the pipe blank to be spun 1 in sequence to form a preliminary storage tank blank 2. Through one-piece spinning forming, the material utilization rate is improved and the welding risk of the tank body combination welding is simplified; perform hot processing on the preliminary storage tank blank 2 to form a first semi-finished storage tank 4, and finely polish its surface to form a second semi-finished storage tank 4. Finally, weld nuts 3 on the outer surface of the second semi-finished storage tank 4 to form a finished storage tank 4.

[0103] In summary, for the embodiment provided by the present invention, its main effective effects are as follows:

[0104] Select a cylindrical pipe blank and cut it according to a preset size to form an initial pipe blank; clamp and fix the initial pipe blank through multi-point positioning to form a pipe blank to be spun; perform spinning necking forming on both ends of the pipe blank to be spun in sequence to form a preliminary storage tank blank; perform hot processing on the preliminary storage tank blank to form a first semi-finished storage tank; finely polish the surface of the first semi-finished storage tank to form a second semi-finished storage tank; perform welding, weld nuts on the outer surface of the second semi-finished storage tank to form a finished storage tank. It can achieve one-piece spinning forming and automated production, improve the product qualification rate, and save production costs.

[0105] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as within the scope described in this specification.

[0106] The above embodiments only represent several implementation manners of the present invention. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the invention patent should be subject to the appended claims.

Claims

1. A process for manufacturing a storage tank, characterized in that: include: Tube cutting: select cylindrical tube and cut it according to preset size to form initial tube; Clamping and fixing, the initial tube material is clamped and fixed by multi-point positioning to form a tube material to be spun; Spinning, the two ends of the pipe to be spun are sequentially spun to form a blank of the storage tank; Heat treatment, performing heat treatment on the storage tank blank to form a first semi-finished storage tank; Surface grinding: finely grinding the surface of the first semi-finished product storage tank to form a second semi-finished product storage tank; Welding: welding nuts to the outer surface of the second semi-finished storage tank to form a finished storage tank.

2. The process for manufacturing a storage tank as claimed in claim 1, characterized in that: The spin forming step comprises: Obtaining the axial dimension L1 of the tube to be spun, obtaining the axial dimension L2 of the storage tank blank, and analyzing the axial compression amount ΔL of the storage tank blank, where ΔL=L1-L2; Compare the axial compression amount ΔL of the storage tank blank with the preset axial compression amount ΔL of the storage tank blank 预 , analyzing the axial compression amount ΔL of the storage tank blank and the preset axial compression amount ΔL of the storage tank blank 预 The axial compression deviation q is It is determined whether the axial compression deviation q is less than 0.05%; if the axial compression deviation q is less than or equal to 0.05%, a first compliance signal is output; if the axial compression deviation q is greater than 0.05%, a first correction signal is output.

3. The process for manufacturing a storage tank as claimed in claim 2, characterized in that: The spin forming step comprises: Obtaining the radial dimension D1 of the tube to be spun, obtaining the radial dimension D2 of the storage tank blank, and analyzing the radial compression amount ΔD of the storage tank blank, where ΔD=D1-D2; Compare the radial compression amount ΔD of the storage tank blank with the preset radial compression amount ΔD of the storage tank blank 预 Analyze the radial compression amount ΔD of the storage tank blank and the preset radial compression amount ΔD of the storage tank blank 预 The radial compression deviation δ is Determine whether the radial compression deviation δ is less than 0.05%; if the radial compression deviation δ is less than or equal to 0.05%, output a second compliance signal; if the radial compression deviation δ is greater than 0.05%, output a second correction signal.

4. The process for manufacturing a storage tank as claimed in claim 3, characterized in that: The spin forming step also includes: When the first conforming signal and the second conforming signal are received simultaneously, it is determined that the axial dimension L2 and the radial dimension D2 of the storage tank blank are correct, and a first passing instruction is sent to perform a heat treatment step; If the first correction signal and / or the second correction signal are received, it is determined that the axial dimension L2 and the radial dimension D2 of the storage tank blank are incorrect, and a first pause instruction is sent, and the axial dimension L2 and the radial dimension D2 are corrected.

5. The process for manufacturing a storage tank as claimed in claim 1, characterized in that: The heat treatment step comprises: Obtain the initial temperature T0 of the storage tank blank and the real-time temperature T 测 ; According to the heat treatment temperature curve Where β represents the material coefficient, and the calculated temperature T 计 ; The real-time temperature T 测 With the calculated temperature T 计 Perform data matching and output temperature matching signal.

6. The process for manufacturing a storage tank as claimed in claim 5, characterized in that: The heat treatment step comprises: Receive the temperature matching signal and determine the real-time temperature T of the first semi-finished product storage tank 测 Is it reasonable? Output temperature stabilization signal and temperature adjustment signal respectively; After receiving the temperature stabilization signal, the real-time temperature T of the first semi-finished product storage tank is determined. 测 Normal, and send a maintenance instruction to maintain the real-time temperature T of the first semi-finished product storage tank 测 If the temperature adjustment signal is received, the real-time temperature T of the first semi-finished product storage tank is determined. 测 abnormal, and determine the real-time temperature T of the first semi-finished product storage tank 测 Too big or too small; If the real-time temperature T of the first semi-finished product storage tank is determined 测 If the real-time temperature T of the first semi-finished product storage tank is too large, a cooling instruction is sent to reduce the heat treatment process temperature; 测 If it is too small, a temperature increase instruction is sent to increase the heat treatment process temperature.

7. The process for manufacturing a storage tank as claimed in claim 1, characterized in that: The surface polishing step comprises: Obtaining the roughness Ra1 of the second semi-finished product storage tank; Compare the preset roughness Ra0 of the second semi-finished product storage tank; analyze the roughness deviation γ between the roughness Ra1 of the second semi-finished product storage tank and the preset roughness Ra0 of the second semi-finished product storage tank, wherein Determine whether the roughness deviation γ is less than or equal to the preset roughness deviation γ 预 ; If the roughness deviation γ is less than or equal to the preset roughness deviation γ 预 , then output a first finish signal; the roughness deviation γ is greater than the preset roughness deviation γ 预 , then the second smoothness signal is output.

8. The process for manufacturing a storage tank as claimed in claim 7, characterized in that: The surface polishing step comprises: Upon receiving the first finish signal, it is determined that the roughness Ra1 of the second semi-finished product storage tank is correct, and a roughness detection pass instruction is sent to perform the welding step; upon receiving the second finish signal, it is determined that the roughness Ra1 of the second semi-finished product storage tank is too large, and a fine grinding instruction is sent to perform fine grinding on the second semi-finished product storage tank to adjust the roughness Ra1 of the second semi-finished product storage tank so that the roughness deviation γ is less than or equal to the preset roughness deviation γ 预 .

9. The process for manufacturing a storage tank as claimed in claim 8, characterized in that: The welding step comprises: Obtain the weld width B0 of the nut welding of the finished product storage tank, and compare and analyze whether the weld width B0 is within the preset weld width [B min , B max ]between; If the weld width B0 is within the preset weld width range [B min , B max ], then output the first weld signal; if the weld width B0 is less than the preset minimum weld width B min , then output the second weld signal; if the weld width B0 is greater than the preset weld width maximum value B max , then the third weld signal is output.

10. The process for manufacturing a storage tank according to claim 9, characterized in that: The welding step comprises: Upon receiving the first weld signal, determining that the weld width B0 is correct, and sending a weld width pass instruction; After receiving the second weld signal, it is determined that the weld width B0 is too small, and a weld enlargement instruction is sent to further weld the nut welding part of the finished product storage tank; When the third weld signal is received, it is determined that the weld width B0 is too large, and a weld reduction instruction is sent to perform cutting processing on the nut welding part of the finished product storage tank.

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