A kind of corrosion-resistant stainless steel pipe capable of being spliced ​​and its processing method

Abstract

The present invention discloses a corrosion-resistant stainless steel pipe that can be spliced ​​and a processing method thereof, and relates to the field related to stainless steel pipe processing, including a pipe body, convex strips, grooves, an anti-corrosion coating, an auxiliary pickling device, an intermittently movable bearing mechanism, an adjustable sweeping mechanism, and an auxiliary adjustment mechanism. The present invention can realize the rapid splicing of stainless steel pipes by respectively arranging matching convex strips and grooves on the outer side and inner side of both ends of the pipe body, and spraying an anti-corrosion coating on the outer side and inner side of the pipe body, using an inorganic zinc silicate coating, having excellent corrosion resistance and high temperature resistance, and being able to withstand up to 400°C, it provides long-term protection, good wear resistance, strong adhesion, and good resistance to chemicals. In addition, the low VOC content reduces environmental pollution and health effects.

Description

Technical Field

[0001] The invention relates to the field related to stainless steel pipe processing, and in particular to a splicable corrosion-resistant stainless steel pipe and a processing method thereof. Background Art

[0002] Stainless steel pipe is a pipe made of stainless steel material. Because it contains elements such as chromium and nickel, it has good corrosion resistance and heat resistance. It is widely used in chemical, food processing, medical equipment, construction, aerospace and other fields. It has high strength and long service life. Spliced ​​stainless steel pipe is a stainless steel pipe designed for splicing through connectors or welding. This pipe has a standardized end structure, which is easy to install and disassemble. It is suitable for occasions that require flexible layout or frequent disassembly and assembly, such as industrial piping systems, building construction, furniture manufacturing and exhibition construction. It has both the corrosion resistance and high strength of stainless steel, and at the same time provides a simple connection method, which improves construction efficiency and maintenance convenience.

[0003] In the actual processing and use of the spliced ​​stainless steel pipes in the prior art, the following problems exist: the connection structure is relatively complex, the connection is inconvenient, and the corrosion-resistant layer that is not environmentally friendly is mostly used, which has poor environmental protection performance; and in the pickling process in the processing of stainless steel pipes, manual assistance is required, which is relatively labor-intensive and leads to reduced work efficiency. Summary of the invention

[0004] Therefore, in order to solve the above-mentioned shortcomings, the present invention provides a splicable corrosion-resistant stainless steel pipe and a processing method thereof.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a kind of corrosion-resistant stainless steel pipe that can be spliced ​​and its processing method, including a pipe body, a convex strip is formed on the outer side of one end of the pipe body, and a groove corresponding to the convex strip is opened on the inner side of the other end of the pipe body, the convex strip and the groove match each other, and the outer and inner surfaces of the pipe body are sprayed with an anti-corrosion coating.

[0006] Preferably, the specific steps are as follows:

[0007] S1 Pipe cutting: Use a laser cutting machine to cut the long stainless steel pipe into the required length, ensuring that the cut section is smooth and burr-free;

[0008] S2 Slot and convex strip forming: Fix the cut steel pipe on the CNC milling machine, and process the slot at one end of the steel pipe. When processing the slot, use multiple shallow cuts to ensure the accuracy of the slot size and surface finish. Fix the cut steel pipe on the CNC lathe, and use multiple shallow cuts to ensure the accuracy of the convex strip size and surface finish. The height and width of the slot and convex strip should be precisely controlled to ensure a close fit with the slot;

[0009] S3 Mechanical Polishing: Use a coarse grinding wheel to perform preliminary polishing on the inner and outer surfaces of the steel pipe to remove surface oxide scale and burrs, then use a medium grinding wheel for intermediate polishing to further flatten the surface, and finally use a fine grinding wheel for fine polishing to obtain a smooth surface;

[0010] S4 pickling: prepare pickling solution, immerse the polished steel pipe in the pickling tank, the immersion time is determined according to the thickness of the oxide scale, the time is 5-15 minutes, use the auxiliary pickling device to assist pickling and cleaning after pickling;

[0011] S5 passivation: prepare the passivation solution, immerse the pickled steel pipe in the passivation tank for 30 minutes to 1 hour, take it out and rinse it thoroughly with clean water to ensure that there is no passivation solution residue;

[0012] S6 Internal and external coating spraying: Clean the inner wall of the steel pipe to ensure that there is no oil and dust. Use the inner and outer wall spraying equipment to evenly spray the anti-corrosion coating on the inner wall of the steel pipe. The coating thickness is 50-100 microns.

[0013] S7 coating curing: put the sprayed steel pipe into the drying equipment and dry it at the specified temperature for 1-2 hours to completely cure the coating;

[0014] S8 Inspection and quality control: Use a coating thickness gauge to inspect the thickness of the inner and outer coatings to ensure that they meet the design requirements; conduct adhesion tests to ensure that the coating is firmly attached to the surface of the steel pipe; and conduct salt spray tests to verify the anti-corrosion performance of the coating.

[0015] Preferably, the auxiliary pickling device includes an intermittently shifting supporting mechanism for intermittently shifting and supporting the tube body, an adjustable sweeping mechanism arranged on the right side of the intermittently shifting supporting mechanism, and an auxiliary adjustment mechanism connected to the right side of the adjustable sweeping mechanism. The auxiliary adjustment mechanism can realize the self-rotation of the tube body and cooperate with the adjustable sweeping mechanism to scrape the tube body.

[0016] Preferably, the intermittent toggle bearing mechanism includes a base for support, a first support arranged at the front end of the base, a first cylinder hinged to the first support, a toggle member hinged to the first cylinder ejection rod, a ratchet arranged at the inner upper end of the toggle member, a ratchet wheel abutting against the ratchet, a connecting shaft passing through both ends of the ratchet and the toggle member, a second support arranged in the middle of the base and connected to the connecting shaft, a rotating disk connected to the right side of the connecting shaft, an embedded rod arranged on the right side of the rotating disk for installing the tube body, a limit member abutting against the rear end of the ratchet wheel, and a third support arranged at the rear end of the base and hinged to the limit member, and an adjustable sweeping mechanism is connected to the middle of the right side of the rotating disk.

[0017] Preferably, the embedded rods are provided in twelve groups and are evenly arranged on the right side of the rotating disk.

[0018] Preferably, the adjustable sweeping mechanism includes a rotating rod connected to the auxiliary adjustment mechanism on the right side, a fixed sleeve provided at the left and right ends of the rotating rod, a first connecting rod hinged to the fixed sleeve, a support plate hinged to the other end of the first connecting rod, a scraping brush connected to the other end of the support plate, a threaded rod provided on the left side of the rotating rod and connected to the right side of the rotating disk, a rotating sleeve threadedly connected to the outer side of the threaded rod, and a second connecting rod hinged to the outer side of the rotating sleeve and the other end of which is hinged to the left end of the support plate.

[0019] Preferably, the threaded rod can be detached from the rotating disk.

[0020] Preferably, the auxiliary adjustment mechanism includes a base plate for support, a transmission box arranged at the rear end of the base plate, a drive motor arranged at the right side of the transmission box, an axle seat installed at the rear end of the top of the base plate, a transmission plate arranged at the left side of the axle seat, a slide seat arranged in the middle of the right side of the base plate, a guide rod arranged at the front and rear positions of the right side of the base plate, a mounting seat penetrated by the right side of the slide seat and the guide rod, and a second cylinder arranged on the right side of the mounting seat and connected to the slide seat by a push rod, and the left side of the transmission plate is connected to a rotating rod.

[0021] Preferably, a driving pulley is provided at the upper end of the transmission box, the middle part of the driving pulley is connected to the output shaft of the driving motor, the outer side of the driving pulley rotates synchronously with the driven pulley through a synchronous belt, and a driving shaft is provided in the middle part of the driven pulley. The left side of the driving shaft passes through the transmission box and the shaft seat in sequence and extends into the interior of the transmission disk, and a connecting rod is sleeved on the outer side of the driving shaft, and the left side of the connecting rod also passes through the transmission box and the shaft seat, but its left side is connected to the right side of the transmission disk.

[0022] Preferably, the transmission disk includes a connecting rod on the right side, a disk body with a driven shaft extending therein, an embedding groove arranged on the left side of the connecting rod, an electromagnet arranged inside the embedding groove, a rotating frame installed in the middle of the disk body and connected to the driving shaft, a gear ring arranged on the outside of the rotating frame, a follower gear meshing with the outside of the gear ring, and a connecting shaft arranged in the middle of the follower gear and connected to the electromagnet, and a shaft is arranged in the middle of the rotating frame, which passes through the disk body and connects to the rotating rod.

[0023] Beneficial effects of the present invention:

[0024] The present invention can realize the rapid splicing of stainless steel pipes by arranging matching convex strips and grooves on the outside and inside of both ends of the pipe body, and spraying anti-corrosion coating on the outside and inside of the pipe body. The inorganic zinc silicate coating has excellent corrosion resistance and high temperature resistance, and can withstand up to 400°C. It provides long-term protection, good wear resistance, strong adhesion, and good resistance to chemicals. In addition, the low VOC content reduces environmental pollution and health effects.

[0025] The present invention adopts an auxiliary pickling device to assist the pickling process in the processing of stainless steel pipes. The auxiliary pickling device is equipped with an intermittently movable bearing mechanism and an auxiliary adjustment mechanism, which can lift and carry the steel pipe and rotate it during the pickling process to improve the efficiency of pickling. An adjustable sweeping mechanism is arranged between the two groups of mechanisms. The position of the adjustable sweeping mechanism can be adjusted according to the size of the steel pipe to contact the steel pipe, and cooperate with the auxiliary adjustment mechanism to rotate the steel pipe, so as to scrape and sweep the surface of each group of steel pipes without manual cleaning, thereby effectively improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of the present invention;

[0027] Figure 2 It is a schematic diagram of the structure of the auxiliary pickling device of the present invention;

[0028] Figure 3 It is a schematic diagram of the structure of the intermittently toggled bearing mechanism of the present invention;

[0029] Figure 4 This is a schematic diagram of the ratchet main view connection structure of the present invention;

[0030] Figure 5 It is a schematic diagram of the structure of the adjustable sweeping mechanism of the present invention;

[0031] Figure 6 It is a partial structural schematic diagram of the adjustable sweeping mechanism of the present invention;

[0032] Figure 7 It is a schematic diagram of the auxiliary adjustment mechanism structure of the present invention;

[0033] Figure 8 It is a schematic diagram of the internal structure of the transmission box of the present invention;

[0034] Fig. 9 It is a schematic diagram of the structure of the transmission disc of the present invention;

[0035] Fig.10 It is a schematic diagram of the internal structure of the transmission plate of the present invention.

[0036] Wherein: tube body-a, convex strip-b, groove-c, anti-corrosion coating-d, auxiliary pickling device, intermittent toggle bearing mechanism-1, adjustable sweeping mechanism-2, auxiliary adjustment mechanism-3, base-11, first support-12, first cylinder-13, toggle member-14, ratchet-15, ratchet-16, connecting shaft-17, second support-18, rotating disk-19, embedded rod-110, limit member-111, third support-112, rotating rod-21, fixed sleeve-22, first connecting rod-23, support plate-24, scraping brush- 25, threaded rod-26, rotating sleeve-27, second connecting rod-28, bottom plate-31, transmission box-32, driving motor-33, shaft seat-34, transmission plate-35, slide seat-36, guide rod-37, mounting seat-38, second cylinder-39, driving pulley-32a, synchronous belt-32b, driven pulley-32c, driving shaft-32d, connecting rod-32e, disk body-351, embedded groove-352, electromagnet-353, rotating frame-354, gear ring-355, follower gear-356, connecting shaft-357. DETAILED DESCRIPTION

[0037] In order to further explain the technical solution of the present invention, it is described in detail below through specific embodiments.

[0038] See also Figure 1 The present invention provides a splicable corrosion-resistant stainless steel pipe, including a pipe body a, eight groups of convex strips b are formed on the outer side of one end of the pipe body a, and eight groups of grooves c corresponding to the convex strips b are opened on the inner side of the other end of the pipe body a, and the convex strips b and the grooves c match each other. The outer and inner surfaces of the pipe body a are sprayed with an anti-corrosion coating d, and the anti-corrosion coating d is an inorganic zinc silicate coating. The inorganic zinc silicate coating has excellent anti-corrosion performance and environmental protection characteristics.

[0039] The invention provides a processing method for a stainless steel pipe that can be spliced ​​and is corrosion-resistant, comprising the following steps: S1 pipe cutting: using a laser cutting machine to cut a long stainless steel pipe into a required length, ensuring that the cut section is smooth and free of burrs; S2 slot c and convex strip b forming: fixing the cut steel pipe on a numerically controlled milling machine, processing a slot at one end of the steel pipe, and adopting multiple shallow cuttings when processing the slot to ensure the accuracy of the slot size and the surface finish; fixing the cut steel pipe on a numerically controlled lathe, and adopting multiple shallow cuttings when processing the convex strip to ensure the accuracy of the convex strip size and the surface finish; the height and width of the slot and the convex strip should be precisely controlled to ensure a close fit with the slot; S3 mechanical polishing: using a coarse grinding wheel to perform preliminary polishing on the inner and outer surfaces of the steel pipe to remove surface oxide scale and burrs, and then using a medium grinding wheel to perform intermediate polishing to further flatten the surface, and finally using a fine grinding wheel to perform fine polishing to obtain a smooth surface; S4 pickling: preparing a pickling solution, which is a mixture of 20% nitric acid and 5% hydrofluoric acid, and The polished steel pipe is immersed in the pickling tank for 10 minutes according to the thickness of the oxide scale. Auxiliary pickling equipment is used to assist pickling and cleaning after pickling. S5 passivation: prepare the passivation solution, which is 20% nitric acid solution or 4% citric acid solution, and immerse the pickled steel pipe in the passivation tank for 45 minutes. After taking it out, rinse it thoroughly with clean water to ensure that there is no passivation solution residue. S6 inner and outer coating spraying: clean the inner wall of the steel pipe to ensure that there is no oil and dust. Use the inner and outer wall spraying equipment to evenly spray the inorganic zinc silicate coating on the inner wall of the steel pipe. The coating thickness is 75 microns. S7 coating curing: put the sprayed steel pipe into the drying equipment and dry it at the specified temperature of 120 degrees for 1.5 hours to completely cure the coating. S8 inspection and quality control: use the coating thickness gauge to detect the thickness of the inner and outer coatings to ensure that it meets the design requirements, conduct adhesion tests to ensure that the coating is firmly attached to the surface of the steel pipe, and conduct salt spray tests to verify the anti-corrosion performance of the coating.

[0040] See also Figure 2 The auxiliary pickling device includes an intermittently moving carrying mechanism 1 for intermittently moving and for carrying the tube body a. An adjustable sweeping mechanism 2 is connected to the right side of the intermittently moving carrying mechanism 1. The adjustable sweeping mechanism 2 can sweep and clean the outside of the tube body a. The other end of the adjustable sweeping mechanism 2 is connected to the auxiliary adjustment mechanism 3. The auxiliary adjustment mechanism 3 can realize the self-rotation of each group of tube bodies a and can be adjusted in position to facilitate the loading and unloading of the tube bodies a.

[0041] See also Figure 3-Figure 4The intermittent toggle bearing mechanism 1 includes a base 11 for support, a first support 12 is locked at the top front end of the base 11, a first cylinder 13 is hinged at the upper end of the first support 12, a toggle member 14 is hinged at the push rod position of the first cylinder 13, a ratchet 15 is provided at the inner upper end of the toggle member 14, the inner side of the ratchet 15 is against the ratchet 16, a connecting shaft 17 is provided in the middle of the ratchet 16, both sides of the connecting shaft 17 pass through the toggle member 14, the right side of the connecting shaft 17 passes through the second support 18 fixed on the top of the base 11, the right side of the connecting shaft 17 is connected to the rotating disk 19, twelve groups of embedded rods 110 are evenly arranged on the inner side of the rotating disk 19, the tube body a can be sleeved on the outer side of the embedded rod 110 for installation support, the rear end of the ratchet 16 is against the limit member 111, the inner upper end of the limit member 111 is hinged with the third support 112, and the third support 112 is locked at the rear end of the top of the base 11.

[0042] See also Figure 5-Figure 6 The adjustable sweeping mechanism 2 includes a rotating rod 21 connected to the auxiliary adjustment mechanism 3 on the right side, and fixed sleeves 22 are sleeved on the left and right ends of the outer side of the rotating rod 21, and four groups of first connecting rods 23 are hinged on the outer side of the fixed sleeve 22, and the other end of the first connecting rod 23 is hinged to the support plate 24, and a scraping brush 25 is embedded on the outer side of the support plate 24. A threaded rod 26 is fixed on the left side of the rotating rod 21, and the left side of the threaded rod 26 is movably embedded in the middle of the rotating disk 19, and the outer side of the threaded rod 26 is threadedly connected to the rotating sleeve 27, and the four ends of the outer side of the rotating sleeve 27 are hinged with second connecting rods 28, and the other end of the second connecting rod 28 is hinged to the left end of the inner side of the support plate 24.

[0043] See also Figure 7-Figure 10 The auxiliary adjustment mechanism 3 includes a bottom plate 31, a transmission box 32 is vertically arranged at the rear end of the bottom plate 31, a driving motor 33 is arranged at the upper right end of the transmission box 32, a shaft seat 34 is locked at the rear end of the top of the bottom plate 31, a transmission plate 35 is arranged on the left side of the shaft seat 34, a slide seat 36 is connected to the middle part of the right side of the bottom plate 31, guide rods 37 are welded at the front and rear ends of the right side of the bottom plate 31, the slide seat 36 and the guide rod 37 pass through the mounting seat 38 on the right side, a second cylinder 39 is arranged on the right side of the mounting seat 38, a push rod on the left side of the second cylinder 39 is connected to the slide seat 36, and the slide seat 36 can move with the second cylinder 39, thereby pulling the bottom plate 31;

[0044] A driving pulley 32a is provided at the upper end of the transmission box 32, and the middle of the driving pulley 32a is connected to the output shaft of the driving motor 33. The outer side of the driving pulley 32a is synchronously rotated with the driven pulley 32c through the synchronous belt 32b. A driving shaft 32d is provided in the middle of the driven pulley 32c. The left side of the driving shaft 32d sequentially penetrates the transmission box 32 and the shaft seat 34 and extends into the inside of the transmission disk 35. A connecting rod 32e is sleeved on the outer side of the driving shaft 32d. The connecting rod 32e does not affect the rotation of the driving shaft 32d. The left side of the connecting rod 32e also penetrates the transmission box 32 and the shaft seat 34, but its left side is connected to the right side of the transmission disk 35.

[0045] The transmission disk 35 includes a right-side connection connecting rod 32e, a disk body 351 into which the drive shaft 32d extends, twelve groups of embedding grooves 352 corresponding to the embedding rod 110 are provided on the left side of the disk body 351, and an electromagnet 353 is arranged inside the embedding groove 352 to adsorb the tube body a, and the left side of the disk body 351 is connected to the rotating rod 21, and a rotating frame 354 connected to the driving shaft 32d is arranged in the middle of the disk body 351, and the outer side of the rotating frame 354 is connected to the ring gear 355, and the outer side of the ring gear 355 is meshed with the follower gear 356, and twelve groups of follower gears 356 are arranged corresponding to the embedding grooves 352, and a connecting shaft 357 is arranged in the middle of each group of follower gears 356, and the connecting shaft 357 passes through the embedding groove 352 to connect the electromagnet 353, and the electromagnet 353 can rotate following the connecting shaft 357, and a shaft is arranged in the middle of the rotating frame 354, and the shaft passes through the disk body 351 to connect the rotating rod 21.

[0046] The specific implementation process of the auxiliary pickling device is as follows:

[0047] When the pipe body a needs to be pickled, the entire auxiliary pickling device is first installed at both ends of the top of the pickling tank, and then the second cylinder 39 is started to work, and the second cylinder 39 pulls the slide 36. During the pulling process, the bottom plate 31 can move under the guidance of the guide rod 37 and move to the right end, so that the threaded rod 26 is separated from the rotating disk 19, and then the pipe bodies a that need to be pickled are set one by one on the outside of the embedding rod 110, and then the transmission disk 35 is pushed in, so that the other end of the pipe body a is embedded in the embedding groove 352, and then the electromagnet 353 is started to adsorb the pipe body a, and the installation is completed;

[0048] Then, pickling begins. The user starts the first cylinder 13 to start working. The first cylinder 13 can drive the toggle member 14 to drive the ratchet 15 to toggle the ratchet 16. The ratchet 16 can drive the connecting shaft 17 to drive the rotating disk 19 to rotate during the rotation process. The rotating disk 19 can drive the tube a on the embedded rod 110 to rotate accordingly. During the rotation process of the ratchet 16, the limiting member 111 follows and limits it.

[0049] After the pickling is completed, it is necessary to scrape the impurities on the surface of the tube body a. The rotating sleeve 27 is rotated, and the rotating sleeve 27 can move on the threaded rod 26. During the movement, the second connecting rod 28 on the outside can push out the support plate 24, and cooperate with the support and guidance of the first connecting rod 23 to make the scraper 25 on the outside of the support plate 24 contact the tube body a.

[0050] Then, the driving motor 33 is started to work, and the driving motor 33 rotates with the driving pulley 32a, and the outer side of the driving pulley 32a rotates with the driven pulley 32c through the synchronous belt 32b. During the rotation of the driven pulley 32c, the middle driving shaft 32d can rotate with the rotating frame 354, and the shaft rod in the middle of the rotating frame 354 drives the rotating rod 21 to make the supporting plate 24 rotate accordingly, and the scraping brush 35 on the outer side of the supporting plate 24 starts to rotate accordingly, and the gear ring 355 on the outer side of the rotating frame 354, the gear ring 355 rotates with the driven gear 356, and the connecting shaft 357 in the middle can rotate with the tube body a, and during the rotation, the scraping brush 25 can scrape the surface of the tube body a;

[0051] After scraping, the electromagnet is turned off, and then the bottom plate 31 is moved out by the second cylinder 39, and the tube body a is removed to complete the pickling work.

[0052] The above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A method for processing a splicable corrosion-resistant stainless steel pipe, characterized in that: The specific steps are as follows: S1 Pipe cutting: Use a laser cutting machine to cut the long stainless steel pipe into the required length, ensuring that the cut section is smooth and burr-free; S2 Slot and convex strip forming: Fix the cut steel pipe on the CNC milling machine, and process the slot at one end of the steel pipe. When processing the slot, use multiple shallow cuts to ensure the accuracy of the slot size and surface finish. Fix the cut steel pipe on the CNC lathe, and use multiple shallow cuts to ensure the accuracy of the convex strip size and surface finish. The height and width of the slot and convex strip should be precisely controlled to ensure a close fit with the slot; S3 Mechanical Polishing: Use a coarse grinding wheel to perform preliminary polishing on the inner and outer surfaces of the steel pipe to remove surface oxide scale and burrs, then use a medium grinding wheel for intermediate polishing to further flatten the surface, and finally use a fine grinding wheel for fine polishing to obtain a smooth surface; S4 pickling: prepare pickling solution, immerse the polished steel pipe in the pickling tank, the immersion time is determined according to the thickness of the oxide scale, the time is 5-15 minutes, use the auxiliary pickling device to assist pickling and cleaning after pickling; S5 passivation: prepare the passivation solution, immerse the pickled steel pipe in the passivation tank for 30 minutes to 1 hour, take it out and rinse it thoroughly with clean water to ensure that there is no passivation solution residue; S6 Internal and external coating spraying: Clean the inner wall of the steel pipe to ensure that there is no oil and dust. Use the inner and outer wall spraying equipment to evenly spray the anti-corrosion coating on the inner wall of the steel pipe. The coating thickness is 50-100 microns. S7 coating curing: put the sprayed steel pipe into the drying equipment and dry it at the specified temperature for 1-2 hours to completely cure the coating; S8 Inspection and quality control: Use a coating thickness gauge to inspect the thickness of the inner and outer coatings to ensure that they meet the design requirements; conduct adhesion tests to ensure that the coating is firmly attached to the surface of the steel pipe; and conduct salt spray tests to verify the anti-corrosion performance of the coating; The auxiliary pickling device includes an intermittently moving bearing mechanism for intermittently moving and bearing the tube body, an adjustable sweeping mechanism disposed on the right side of the intermittently moving bearing mechanism, and an auxiliary adjustment mechanism connected to the right side of the adjustable sweeping mechanism, wherein the auxiliary adjustment mechanism can realize the self-rotation of the tube body and cooperate with the adjustable sweeping mechanism to scrape and sweep the tube body; The intermittent toggle bearing mechanism includes a base for support, a first support provided at the front end of the base, a first cylinder hinged to the first support, a toggle member hinged to the ejection rod of the first cylinder, a ratchet provided at the inner upper end of the toggle member, a ratchet wheel abutting against the ratchet, a connecting shaft passing through both ends of the ratchet and the toggle member, a second support provided at the middle of the base and connected to the connecting shaft, a rotating disk connected to the right side of the connecting shaft, an embedded rod provided at the right side of the rotating disk for mounting the tube body, a limiting member abutting against the rear end of the ratchet wheel, and a third support provided at the rear end of the base and hinged to the limiting member, wherein the middle of the right side of the rotating disk is connected to an adjustable toggle sweeping mechanism; The adjustable sweeping mechanism comprises a rotating rod connected to the auxiliary adjustment mechanism on the right side, a fixing sleeve provided at the left and right ends of the rotating rod, a first connecting rod hinged to the fixing sleeve, a supporting plate hinged to the other end of the first connecting rod, a scraping brush connected to the other end of the supporting plate, a threaded rod provided on the left side of the rotating rod and connected to the right side of the rotating disk, a rotating sleeve threadedly connected to the outer side of the threaded rod, and a second connecting rod hinged to the outer side of the rotating sleeve and the other end of which is hinged to the left end of the supporting plate; The auxiliary adjustment mechanism includes a base plate for support, a transmission box arranged at the rear end of the base plate, a drive motor arranged at the right side of the transmission box, an axle seat installed at the rear end of the top of the base plate, a transmission plate arranged at the left side of the axle seat, a slide seat arranged in the middle of the right side of the base plate, a guide rod arranged at the front and rear positions of the right side of the base plate, a mounting seat penetrated by the right side of the slide seat and the guide rod, and a second cylinder arranged on the right side of the mounting seat and connected to the slide seat by a push rod, and the left side of the transmission plate is connected to a rotating rod.

2. A method for processing a splicable corrosion-resistant stainless steel pipe according to claim 1, characterized in that: The embedded rods are provided in twelve groups and are evenly arranged on the right side of the rotating disk.

3. A method for processing a splicable corrosion-resistant stainless steel pipe according to claim 1, characterized in that: The threaded rod can be disengaged from the rotating disk.

4. A method for processing a splicable corrosion-resistant stainless steel pipe according to claim 1, characterized in that: A driving pulley is provided at the upper end of the transmission box, the middle part of the driving pulley is connected to the output shaft of the driving motor, the outer side of the driving pulley rotates synchronously with the driven pulley through a synchronous belt, and a driving shaft is provided in the middle part of the driven pulley. The left side of the driving shaft passes through the transmission box and the shaft seat in sequence and extends into the interior of the transmission disk, and a connecting rod is sleeved on the outer side of the driving shaft, and the left side of the connecting rod also passes through the transmission box and the shaft seat, but its left side is connected to the right side of the transmission disk.

5. A method for processing a splicable corrosion-resistant stainless steel pipe according to claim 4, characterized in that: The transmission disk includes a connecting rod on the right side, a disk body with a driven shaft extending therein, an embedding groove arranged on the left side of the connecting rod, an electromagnet arranged inside the embedding groove, a rotating frame installed in the middle of the disk body and connected to the driving shaft, a gear ring arranged on the outside of the rotating frame, a follower gear meshing with the outside of the gear ring, and a connecting shaft arranged in the middle of the follower gear and connected to the electromagnet, and a shaft is arranged in the middle of the rotating frame, and the shaft rod passes through the disk body and is connected to the rotating rod.

6. The stainless steel pipe prepared by the method for processing a corrosion-resistant stainless steel pipe that can be spliced ​​according to claim 1 is characterized in that: It comprises a tube body, one end of which is formed with a convex strip on the outside, and the other end of which is provided with a groove corresponding to the convex strip on the inside, the convex strip and the groove match each other, and the outer and inner surfaces of the tube body are sprayed with an anti-corrosion coating.

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