A manufacturing process for corrosion-resistant storage tanks

Abstract

The present invention discloses a manufacturing process for a corrosion-resistant storage tank, and the steps are as follows: 1. Manufacturing of the cylinder body; 2. Manufacturing of the tank bottom, tank top and storage tank accessories; 3. Welding the tank bottom, tank top and cylinder body into one body; 4. After the welding of the cylinder body of the tank bottom and tank top is completed, it is transferred to the accessory welding process to complete the welding of all accessories; 5. Inspection is qualified and then stored in the warehouse; in the process of step 3 of welding the tank bottom, tank top and cylinder body into one body, first, the outer welding of the cylinder body and the tank bottom is completed by a numerical control disc welding machine on the working turntable surface, then the connecting piece of the cylinder body and the tank bottom is moved to the side of the storage tank cylinder welding support mechanism through the auxiliary slide rail mechanism, and then it is horizontally placed on the storage tank cylinder welding support mechanism, and the inner welding of the cylinder body and the tank bottom and the welding of the cylinder body and the tank top are completed by a numerical control long-arm welding machine; the manufacturing process for a corrosion-resistant storage tank of the present invention adopts such a method, which reduces the workload of the workshop crane operation, can reduce the safety risk, can improve the production efficiency and reduce the manufacturing cost.

Description

Technical Field

[0001] The present invention relates to a storage tank, and more particularly to a manufacturing process for a corrosion-resistant storage tank. Background Art

[0002] The corrosion-resistant storage tank includes a cylinder body, a tank bottom, a tank top and storage tank accessories. The manufacturing process steps of the corrosion-resistant storage tank are as follows: 1. Cylinder body manufacturing: Put granular materials into a dryer for drying. After drying is completed, they are conveyed by a screw conveyor into a screw extruder, and the required tape is extruded through the screw extruder. The tape is wound on a mold, and after winding is completed and cooled, it is demolded, and both ends of the cylinder body are flush; 2. Manufacturing of the tank bottom, tank top and storage tank accessories; 3. Welding the tank bottom, tank top and cylinder body into one body; First, complete the external welding of the cylinder body and the tank bottom. Place the tank bottom on the working turntable surface, and place the wound cylinder body inside the tank bottom. The numerical control disk welding machine completes the external welding of the cylinder body and the tank bottom. After cooling, the operator uses a rope to surround the corrosion-resistant storage tank cylinder body, and the cylinder body of the storage tank will be deformed at this time. Then, the workshop overhead crane operator places the connecting piece between the cylinder body and the tank bottom horizontally on the welding support mechanism of the storage tank cylinder body. The welding support mechanism of the storage tank cylinder body includes a workbench frame, a first idler wheel group, a second idler wheel group and a third idler wheel group arranged at intervals above the workbench frame. The numerical control long-arm welding machine completes the internal welding of the cylinder body and the tank bottom and the welding of the cylinder body and the tank top; 4. After welding, the cylinder body of the tank bottom and the tank top is transferred to the accessory welding process to complete the welding of all accessories; 5. Inspection is qualified and then stored in the warehouse. In the existing manufacturing process of the corrosion-resistant storage tank, in step 3, the tank bottom, tank top and cylinder body are welded into one body. Since the size of the storage tank cylinder body is large, the participation of the workshop overhead crane operator is required. Usually, two operators are also needed to use ropes to surround the corrosion-resistant storage tank cylinder body, and the production efficiency is low. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a manufacturing process for a corrosion-resistant storage tank, which can improve the production efficiency and reduce the manufacturing cost.

[0004] To solve this technical problem, the technical solution of the present invention is: a corrosion-resistant storage tank manufacturing process, the steps are as follows: 1) barrel manufacturing: put the granular material into the dryer for drying, and after drying, convey it into the screw extruder by the screw conveyor, and extrude the required material strip through the screw extruder, and the material strip is wrapped around the mold, and after the wrapping is completed, it is demolded after cooling, and the two ends of the barrel are flush; 2) the tank bottom, tank top and storage tank accessories are manufactured; 3) the tank bottom, tank top and barrel are welded into one; 4) the barrel after welding the tank bottom and tank top is transferred to the attachment Parts welding process, complete all accessories welding; 5). Qualified inspection and storage; It is characterized in that: Step 3 is to weld the tank bottom, tank top and cylinder into one process, firstly, the external welding of the cylinder and the tank bottom is completed by the CNC disc welding machine on the working turntable, and then the cylinder and the tank bottom connecting piece is moved to the side of the tank cylinder welding support mechanism through the auxiliary slide mechanism, and then placed horizontally on the tank cylinder welding support mechanism, and the internal welding of the cylinder and the tank bottom, and the welding of the cylinder and the tank top are completed by the CNC long arm welding machine; The welding equipment includes CNC disc welding The machine comprises a machine, a working turntable, a CNC long-arm welding machine and a tank body welding support mechanism, the tank body welding support mechanism comprises a workbench, a first supporting wheel group, a second supporting wheel group and a third supporting wheel group arranged at intervals above the workbench, the tank body welding support mechanism is located beside the CNC long-arm welding machine, and the working turntable is located beside the CNC disc welding machine. An auxiliary slide rail mechanism is arranged between the working turntable and the workbench, the auxiliary slide rail mechanism comprises a bracket, two parallel auxiliary slide rails, the two parallel auxiliary slide rails are located above the bracket, a disc and two parallel guide slide rails are arranged above the working turntable, the disc rotates together with the working turntable, the spacing between the two parallel guide slide rails is the same as the spacing between the two parallel auxiliary slide rails, the disc is placed on the two parallel guide slide rails, and the disc can reach the side of the workbench via the parallel guide slide rails and the parallel auxiliary slide rails; the auxiliary slide rail mechanism is also provided with an electric push rod unit, the electric push rod unit is located at the lower part of the bracket, and when the disc is located beside the workbench, the electric push rod unit pushes the disc to an inclined state.

[0005] The electric push rod unit comprises a push rod control part and an electric push rod. The push rod control part is fixed to the lower part of the bracket. The center line of the electric push rod is in an inclined state. The electric push rod is fixed to the push rod control part.

[0006] The bottom surface of the disc has a slide slider assembly, a first slide rail connecting seat and a second slide rail connecting seat. The slide slider assembly has a slide and a slider moving in the slide. The center line of the slide passes through the center of the disc and is parallel to the guide slide rail. The first slide rail connecting seat and the second slide rail connecting seat are fixed to the bottom surface of the disc. The first slide rail connecting seat and the second slide rail connecting seat are respectively adapted to the two guide slide rails.

[0007] A guide support is fixedly connected to the edge of the disc, and the guide support is located on the extension line of the center line of the slideway.

[0008] Above one end of the auxiliary slide rail mechanism close to the workbench frame, there is a slide rail end plate. The two ends of the slide rail end plate are respectively connected to the first auxiliary slide rail and the second auxiliary slide rail, and an end stop is fixedly connected above the middle of the slide rail end plate.

[0009] A manufacturing process for a corrosion-resistant storage tank of the present invention adopts such a method. An auxiliary slide rail mechanism is provided between the work turntable surface and the workbench frame. The external welding of the cylinder body and the tank bottom is completed by a numerical control disk welding machine on the work turntable surface, and then the connecting piece of the cylinder body and the tank bottom is moved to the side of the storage tank cylinder welding support mechanism through the auxiliary slide rail mechanism. The internal welding of the cylinder body and the tank bottom, and the welding of the cylinder body and the tank top can be completed by one operator, reducing the workload of the workshop overhead crane operation, reducing safety risks, improving production efficiency, and reducing manufacturing costs. Brief Description of the Drawings

[0010] The following further describes in detail a manufacturing process for a corrosion-resistant storage tank of the present invention with reference to the drawings;

[0011] Figure 1 It is a structural schematic diagram of the welding equipment for manufacturing a corrosion-resistant storage tank;

[0012] Figure 2 It is Figure 1 An enlarged top view when the work turntable surface shown rotates to a straight line with the first guiding slide rail and the first auxiliary slide rail;

[0013] Figure 3 It is Figure 2 An enlarged view of the bottom surface of the disk shown;

[0014] In Figure 1 , Figure 2 , Figure 3 , 1, work turntable surface; 2, first guiding slide rail; 3, first auxiliary slide rail; 4, end stop; 5, slide rail end plate; 6, electric push rod extension rod; 7, electric push rod; 8, push rod control part; 9, bracket; 10, second auxiliary slide rail; 11, second guiding slide rail; 12, disk; 13, guiding support member; 14, second slide rail connecting seat; 15, slideway; 16, first slide rail connecting seat; 17, slider; 18, first idler wheel group; 19, second idler wheel group; 20, workbench frame; 21, third idler wheel group. Detailed Embodiments

[0015] As Figure 1As shown, a corrosion-resistant storage tank manufacturing welding equipment includes a CNC disc welding machine (not shown in the figure), a working turntable 1, a CNC long arm welding machine (not shown in the figure) and a tank cylinder welding support mechanism, the tank cylinder welding support mechanism includes a workbench 20, a first supporting wheel group 18, a second supporting wheel group 19 and a third supporting wheel group 21 arranged at intervals above the workbench 20, the tank cylinder welding support mechanism is located next to the CNC long arm welding machine, the working turntable 1 is located next to the CNC disc welding machine, an auxiliary slide rail mechanism is arranged between the working turntable 1 and the workbench 20, the auxiliary slide rail mechanism includes a bracket 9, a first auxiliary slide rail 3, a second auxiliary slide rail 10, a slide rail end plate 5, an end stopper 4 and an electric push rod unit, the electric push rod unit is located at the lower part of the bracket 9, the electric push rod unit includes a push rod control part 8 and an electric push rod 7, the push rod control part 8 is fixed to the lower part of the bracket 9, the center line of the electric push rod 7 is in an inclined state, and the electric push rod 7 is fixed to the push rod control part 8. The first auxiliary slide rail 3 is parallel to the second auxiliary slide rail 10 , and the first auxiliary slide rail 3 and the second auxiliary slide rail 10 are located above the bracket 9 .

[0016] The first guide rail 2, the second guide rail 11 and the disc 12 are arranged above the working turntable surface 1. The first guide rail 2, the second guide rail 11 are at equal distances from the center of the working turntable surface 1 and are parallel to each other. The disc rotates with the working turntable surface, and the center of the disc coincides with the center of the working turntable surface. The bottom surface of the disc 12 has a slideway slider assembly, a first slideway connecting seat 16 and a second slideway connecting seat 14 and a guide support 13. The slideway slider assembly has a slideway 15 and a slideway 15 on the slideway 1 5, the center line of the slideway 15 passes through the center of the disc 12 and is parallel to the first guide rail 2, the lower part of the slider 17 has a groove, the first rail connection seat 16 and the second rail connection seat 14 are fixed to the bottom surface of the disc 12, the first rail connection seat 16 is adapted to the first guide rail 2, the second rail connection seat 14 is adapted to the second guide rail 11, the guide support 13 is fixed to the edge of the disc 12, and the guide support 13 is located on the extension line of the center line of the slideway 15. The auxiliary rail mechanism is provided with a rail end plate 5 above one end close to the workbench 20, the two ends of the rail end plate 5 are respectively connected to the first auxiliary rail 3 and the second auxiliary rail 10, and the end stopper 4 is fixed to the middle of the rail end plate 5.

[0017] A manufacturing process for a corrosion-resistant storage tank is as follows: 1. Cylinder manufacturing: Put granular materials into a dryer for drying. After drying, convey them into a screw extruder through a screw conveyor. Extrude the required tape through the screw extruder. Wind the tape on a mold. After winding and waiting for cooling, demold. The two ends of the cylinder are flush. 2. Manufacture of the tank bottom, tank top and storage tank accessories. 3. Weld the tank bottom, tank top and cylinder into one body. 4. After welding, transfer the cylinder of the tank bottom and tank top to the accessory welding process to complete the welding of all accessories. 5. Inspect and store in the warehouse after passing the inspection. In the process of step 3 of welding the tank bottom, tank top and cylinder into one body, first complete the external welding of the cylinder and the tank bottom on the working turntable surface by a numerical control disk welding machine. Then, move the connecting piece between the cylinder and the tank bottom to the side of the storage tank cylinder welding support mechanism through the auxiliary slide rail mechanism, and complete the internal welding of the cylinder and the tank bottom and the welding of the cylinder and the tank top by a numerical control long-arm welding machine.

[0018] First, place the cylinder and the tank bottom on the disk 12 above the working turntable surface 1, and perform the external welding of the cylinder and the tank bottom by a numerical control disk welding machine. After the external welding process of the cylinder and the tank bottom is completed, rotate the working turntable 1 until the first guiding slide rail 2 and the first auxiliary slide rail 3 are in a straight line. The operator can push the guiding support 13 to push the disk 12 to the side of the workbench 20 through the first guiding slide rail 2 and the first auxiliary slide rail 3. The end of the extending rod 6 of the electric push rod extends into the groove at the lower part of the slider, and the disk is pushed into an inclined state by the electric push rod unit. The initial angle between the disk and the first auxiliary slide rail is 0 degrees. As the extending rod of the electric push rod ejects, the angle between the disk and the first auxiliary slide rail becomes larger and larger. The disk 12 contacts the end stop 4, and the disk 12 is inclined. The cylinder with the tank bottom placed on the disk is in an inclined state. The operator can place the cylinder with the tank bottom horizontally on the first idler wheel group 18 and the second idler wheel group 19 or place the cylinder with the tank bottom horizontally on the first idler wheel group 18, the second idler wheel group 19 and the third idler wheel group 21. One operator can complete this, reducing the workload of the workshop overhead crane operation, reducing the safety risk, improving the production efficiency and reducing the manufacturing cost.

Claims

1. A corrosion-resistant storage tank manufacturing process, the steps are as follows: 1) Cylinder manufacturing: put the granular material into the dryer for drying, and after drying, convey it into the screw extruder by the screw conveyor, and extrude the required material strip through the screw extruder, and the material strip is wrapped around the mold, and after the wrapping is completed, it is demoulded after cooling, and the two ends of the cylinder are flush; 2) The tank bottom, tank top and storage tank accessories are manufactured; 3) The tank bottom, tank top and cylinder are welded into one; 4) The cylinder after the tank bottom and tank top are welded is transferred to the accessory welding process to complete the welding of all accessories; 5) After passing the inspection, it is put into storage; Features: Step 3) The tank bottom, tank top and cylinder are welded into one process. First, the external welding of the cylinder and the tank bottom is completed by a CNC disc welder on the working turntable. Then, the connecting parts of the cylinder and the tank bottom are moved to the side of the tank cylinder welding support mechanism through the auxiliary slide mechanism, and then placed horizontally on the tank cylinder welding support mechanism. The internal welding of the cylinder and the tank bottom, and the welding of the cylinder and the tank top are completed by a CNC long-arm welder. The welding equipment includes a CNC disc welder, a working turntable, a CNC long-arm welder and a tank cylinder welding support mechanism. The tank cylinder welding support mechanism includes a workbench, a first supporting wheel group, a second supporting wheel group and a third supporting wheel group arranged at intervals above the workbench. The tank cylinder welding support mechanism is located next to the CNC long-arm welder. The working turntable Located beside the CNC disc welding machine, an auxiliary slide rail mechanism is arranged between the working turntable and the working table frame, the auxiliary slide rail mechanism includes a bracket, two parallel auxiliary slide rails, the two parallel auxiliary slide rails are located above the bracket, a disc and two parallel guide slide rails are arranged above the working turntable, the disc rotates with the working turntable, the spacing between the two parallel guide slide rails is the same as the spacing between the two parallel auxiliary slide rails, the disc is placed on the two parallel guide slide rails, and the disc can reach the side of the working table frame via the parallel guide slide rails and the parallel auxiliary slide rails; the auxiliary slide rail mechanism is also provided with an electric push rod unit, the electric push rod unit is located at the lower part of the bracket, when the disc is located beside the working table frame, the electric push rod unit pushes the disc to be in an inclined state; The electric push rod unit comprises a push rod control part and an electric push rod, the push rod control part is fixed to the lower part of the bracket, the center line of the electric push rod is in an inclined state, and the electric push rod is fixed to the push rod control part; The bottom surface of the disc has a slide slider assembly, a first slide rail connecting seat and a second slide rail connecting seat. The slide slider assembly has a slide and a slider moving in the slide. The center line of the slide passes through the center of the disc and is parallel to the guide slide rail. The first slide rail connecting seat and the second slide rail connecting seat are fixed to the bottom surface of the disc. The first slide rail connecting seat and the second slide rail connecting seat are respectively adapted to the two guide slide rails.

2. A corrosion-resistant storage tank manufacturing process according to claim 1, Features: A guide support is fixedly connected to the edge of the disc, and the guide support is located on the extension line of the center line of the slideway.

3. A corrosion-resistant storage tank manufacturing process according to claim 2, Features: Above one end of the auxiliary slide rail mechanism close to the workbench, there is a slide rail end plate. The two ends of the slide rail end plate are respectively connected to the first auxiliary slide rail and the second auxiliary slide rail, and an end stop is fixedly connected above the middle of the slide rail end plate.

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