Surface rust removal device with repairing mechanism for welded pipe machining

By designing a surface rust removal device for welding pipe processing with a repair mechanism, and using a combination device of a rotating rod and a shower cylinder to polish and spray paint on the surface of the welded pipe, the problem of damage to the protective coating during grinding in the prior art is solved, and the problem of improving the problem of grinding in the prior art is improved. The service life of the welded pipe is achieved and the exhaust gas purification is achieved.

CN119458095APending Publication Date: 2025-02-18XUZHOU HENGTE INTELLIGENT MANUFACTURING CO LTD
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Patent Information

Application Number
CN202411427626.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2025-02-18

AI Technical Summary

Technical Problem

When the existing welded pipe rust removal device grinds, it will damage the protective coating on the surface of the welded pipe, affecting the service life of the welded pipe.

Method used

A surface rust removal device for welding pipe processing with repair mechanism is designed, including a rust removal box and a spray repair box, which drives the fixing ring and the spray cylinder through a rotating rod and an active wheel, and uses an adjustable rust removal and grinding device. The surface of the welded pipe is polished and painted in a rotating spray cylinder to repair wear.

Benefits of technology

It effectively avoids damage to the protective coating on the surface of the welded pipe during grinding, and improves the service life of the welded pipe. At the same time, the waste gas is treated through the purification box and air-drying cylinder, and the waste gas purification and air-drying treatment of the welded pipe surface are realized.

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Abstract

The invention discloses a surface derusting device with a repairing mechanism for welded pipe machining, a derusting box and a spraying repairing box are mounted above a machining table, a first driving motor is arranged at the bottom of the machining table, the first driving motor can drive a rotating rod arranged at the bottom of the machining table to rotate, and two groups of driving wheels are mounted on the outer side of the rotating rod; the driving wheel can drive the fixing ring and the spraying barrel to rotate through a transmission belt, an adjustable rust removing and polishing device is installed on one side of the fixing ring, the fixing ring is located in the rust removing box, the outer side of the fixing ring is rotationally connected with a first stabilizing ring arranged in the rust removing box, and the spraying barrel is located in the spraying repairing box. According to the surface rust removal device with the repairing mechanism for welded pipe machining, in order to solve the problem that a protective coating on the surface of a welded pipe can also be polished in the rust polishing process of a polishing roller of an existing welded pipe rust removal device, a rust removal box and a spraying repairing box are installed above a machining table.
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Description

Technical Field

[0001] The invention relates to the technical field of welded pipes, in particular to a surface rust removal device with a repairing mechanism for welded pipe processing. Background Art

[0002] Welded pipe is a steel pipe made by welding steel plates or strips after curling. The production process of welded pipe is relatively simple, with high production efficiency and low equipment investment, so it is widely used in various industrial fields.

[0003] After searching, it was found that in the prior art, such as announcement number CN113681424A, a rust removal device for the inner and outer walls of a high-frequency welded pipe is disclosed, which includes a material receiving seat, side guide rails are arranged below the left and right sides of the material receiving seat, and a first base is arranged on the top of the side guide rails on both sides, the first base is hollow inside and electric lifting rods are arranged on both sides inside, a lifting top seat is inserted downward on the top of the first base, and the top of the electric lifting rod is fixedly connected to the bottom of the lifting top seat; the present invention is provided with multiple groups of unloading devices, and multiple unloading seats are arranged inside the unloading device, and multiple rollers are arranged inside the groove on the top of the unloading seat, and the bottom end of the groove is lower than the feeding belt, so that the raw material rod located inside the unloading seat can be driven to rotate by the forward and backward movement of the feeding belt, and the speed of movement of the feeding belt can be adjusted.

[0004] In summary, the existing welded pipe rust removal device can cooperate with the grinding roller to remove rust from the raw material rod, but the protective coating on the surface of the welded pipe will also be polished by the grinding roller during the grinding of rust, affecting its later service life. Therefore, a surface rust removal device for welded pipe processing with a repair mechanism is proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a surface rust removal device for welding pipe processing with a repair mechanism to solve the problem that the protective coating on the surface of the welding pipe will also be polished by the grinding roller of the existing welding pipe rust removal device proposed in the above background technology during the grinding process of the rust.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a surface rust removal device for welding pipe processing with a repair mechanism, comprising a processing table, a rust removal box and a spray repair box are installed above the processing table, and a first driving motor is arranged at the bottom of the processing table, the first driving motor can drive a rotating rod arranged at the bottom of the processing table to rotate, and two sets of driving wheels are installed on the outside of the rotating rod, the driving wheels can drive a fixed ring and a spray barrel to rotate through a transmission belt, and an adjustable rust removal and grinding device is installed on one side of the fixed ring, the fixed ring is located inside the rust removal box, and the outside of the fixed ring rotates with the first stabilizing ring arranged inside the rust removal box. Dynamic connection, the spray cylinder is located inside the spray repair box, and the outer side of the spray cylinder is rotatably connected to the second stabilizing ring arranged inside the spray repair box, an air collecting hood is installed on the top of the rust removal box, and the air collecting hood is connected with the inside of the purification box through an air inlet pipe, a impurity removal filter and an activated carbon block are arranged inside the purification box, and the air outlet end of the purification box is connected to the fan through a first conveying pipe, and the air outlet end of the fan is connected to an air-drying cylinder arranged inside the spray repair box through a second conveying pipe, a plurality of groups of air-drying nozzles used in conjunction with the welding pipe are arranged on the inside of the air-drying cylinder, and the air-drying cylinder is connected to the inner wall of the spray repair box through symmetrically arranged fixed arms.

[0007] Preferably, two sets of slide grooves are provided on the top of the processing table, and a slider is slidably connected inside the slide groove, a positioning plate is installed on the top of the slider, and a limiting cylinder mechanism used in conjunction with the welding pipe is provided on the inner side of the positioning plate.

[0008] Through the above technical solution, it is convenient to drive the welded pipe to move.

[0009] Preferably, the limiting cylinder mechanism includes an open insert cylinder, and a clamping plate mechanism is symmetrically arranged inside the open insert cylinder, and the clamping plate mechanism includes a first electric telescopic rod, and one end of the first electric telescopic rod is connected to the inner wall of the open insert cylinder, and the other end is connected to the clamping plate.

[0010] Through the above technical solution, it is convenient to clamp the welded pipe.

[0011] Preferably, a screw mechanism is rotatably arranged inside a group of the slide grooves, and one end of the screw mechanism is connected to the second drive motor, and the screw mechanism can drive a group of sliders to move.

[0012] Through the above technical solution, it is convenient to drive the welded pipe to move.

[0013] Preferably, the rust removal box and the spray repair box are both provided with moving grooves for moving the welding pipes.

[0014] Through the above technical solution: it is convenient to move the welded pipe.

[0015] Preferably, the adjustable rust removal and grinding device includes a second electric telescopic rod, which is connected to the outer side of one end of the fixed ring, and one end of the second electric telescopic rod is movably connected to the first V-shaped rod, the first V-shaped rod is connected to the first grinding roller mechanism, and the other end of the first V-shaped rod is movably connected to the first connecting rod, the other end of the first connecting rod is movably connected to the second V-shaped rod, and the second V-shaped rod is connected to the second grinding roller mechanism, the other end of the second V-shaped rod is movably connected to the second connecting rod, the other end of the second connecting rod is movably connected to the third connecting rod, and the other end of the third connecting rod is movably connected to the third grinding roller mechanism.

[0016] Through the above technical solution: it is convenient to adjust according to the size of the welded pipe.

[0017] Preferably, the first grinding roller mechanism includes a disc, and one side of the disc is movably connected to a moving rod through a connecting arm, the moving rod slides inside a sliding groove, and a grinding roller is installed at the other end of the moving rod, and the first grinding roller mechanism has the same structure as the second grinding roller mechanism and the third grinding roller mechanism.

[0018] Through the above technical solution: rust removal and polishing are convenient.

[0019] Preferably, paint spray heads are symmetrically installed on the inner side of the spray barrel.

[0020] Through the above technical solution: paint spraying is convenient.

[0021] Preferably, the activated carbon block is provided with equally spaced conical air inlets on one side close to the air inlet pipe, and the conical air inlets are connected to the curved air holes penetrating the interior of the activated carbon block.

[0022] Through the above technical solution: it is easy to purify the exhaust gas.

[0023] Compared with the prior art, the beneficial effects of the present invention are: the surface rust removal device for welding pipe processing with a repair mechanism,

[0024] (1) The present invention aims to solve the problem that the protective coating on the surface of the welded pipe will also be polished away by the grinding roller of the existing welded pipe rust removal device during the rust removal process. A rust removal box and a spray repair box are installed above the processing table, and a first driving motor is provided at the bottom of the processing table. The first driving motor can drive a rotating rod provided at the bottom of the processing table to rotate, and two sets of driving wheels are installed on the outside of the rotating rod. The driving wheels can drive a fixed ring and a spray barrel to rotate through a transmission belt, and an adjustable rust removal and polishing device is installed on one side of the fixed ring. The fixed ring is located at the rust removal position. The spray tube is located inside the spray repair box, and the outer side of the spray tube is rotatably connected to the second stabilizing ring arranged inside the spray repair box. When in use, the first driving motor can drive the fixed ring and the spray tube to rotate, so that the adjustable rust removal and grinding device installed at one end of the fixed ring grinds the rust on the surface of the weld pipe, and after grinding, it moves to the inside of the rotating spray tube, and the paint nozzle sprays paint on the surface of the weld pipe, thereby repairing the worn paint and increasing the later service life of the weld pipe.

[0025] (2) In order to solve the problem of a large amount of dusty exhaust gas generated during the grinding process, this device is equipped with an air collecting hood on the top of the rust removal box, and the air collecting hood is connected to the inside of the purification box through an air inlet pipe. A dust removal filter and an activated carbon block are arranged inside the purification box, and the air outlet of the purification box is connected to the fan through a first conveying pipe. The air outlet of the fan is connected to an air drying cylinder arranged inside the spray repair box through a second conveying pipe. A plurality of air drying nozzles used in conjunction with the welding pipe are arranged on the inside of the air drying cylinder, and the air drying cylinder is connected to the inner wall of the spray repair box through symmetrically arranged connecting arms. When in use, the fan is turned on, and under the action of the fan, the exhaust gas in the rust removal box enters the purification box for purification, and the purified gas is sprayed out from the air drying nozzle to air-dry the coating on the surface of the welding pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall front cross-sectional structure of the present invention;

[0027] Figure 2 For the present invention Figure 1 The enlarged structural diagram at A in the middle;

[0028] Figure 3 This is a schematic diagram of the internal structure of the rust removal box and the spray repair box of the present invention;

[0029] Figure 4 This is a schematic diagram of the structure of the adjustable rust removal and grinding device of the present invention;

[0030] Figure 5 This is a schematic diagram of the structure of the first grinding roller mechanism of the present invention;

[0031] Figure 6 It is a schematic diagram of the front cross-sectional structure of the spray tube of the present invention;

[0032] Figure 7 This is a schematic diagram of the position relationship of the air-drying nozzles of the present invention;

[0033] Figure 8 Schematic diagram of the structure of the activated carbon block of the present invention.

[0034] In the figure: 1, processing table; 101, slide; 1011, screw mechanism; 1012, second drive motor; 102, slider; 103, positioning plate; 2, rust removal box; 3, spray repair box; 4, first drive motor; 401, rotating rod; 402, driving wheel; 403, transmission belt; 404, fixing ring; 405, spray barrel; 4051, paint nozzle; 406, first stabilizing ring; 407, second stabilizing ring; 5, adjustable rust removal and grinding device; 501, second electric telescopic rod; 502, first V-shaped rod; 503, first grinding roller mechanism; 504, first connecting rod; 505, second V-shaped rod ; 506, second grinding roller mechanism; 507, second connecting rod; 508, third connecting rod; 509, third grinding roller mechanism; 6, air collecting hood; 601, air inlet pipe; 602, purification box; 603, impurity removal filter; 604, activated carbon block; 6041, conical air inlet; 6042, curved air hole; 605, first conveying pipe; 606, fan; 607, second conveying pipe; 608, air drying cylinder; 6081, air drying nozzle; 609, fixed arm; 7, welding pipe; 8, limiting cylinder mechanism; 801, opening insert cylinder; 802, clamping plate mechanism; 8021, first electric telescopic rod; 8022, clamping plate. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] See also Figure 1-8 The present invention provides a technical solution: a surface rust removal device for welding pipe processing with a repair mechanism, wherein a rust removal box 2 and a spray repair box 3 are installed above a processing table 1, and a moving through groove for moving the welding pipe 7 is opened on the rust removal box 2 and the spray repair box 3.

[0037] Specifically, two groups of slide grooves 101 are provided on the top of the processing table 1, and a slider 102 is slidably connected inside the slide groove 101, a positioning plate 103 is installed on the top of the slider 102, and a limiting cylinder mechanism 8 used in conjunction with the welding pipe 7 is provided on the inner side of the positioning plate 103, the limiting cylinder mechanism 8 includes an open plug cylinder 801, and a clamping plate mechanism 802 is symmetrically provided inside the open plug cylinder 801, the clamping plate mechanism 802 includes a first electric telescopic rod 8021, and one end of the first electric telescopic rod 8021 is connected to the inner wall of the open plug cylinder 801, and the other end is connected to the clamping plate 8022. When it is necessary to clamp and limit the welding pipe 7, the position between the two groups of sliders 102 is adjusted, and the two ends of the welding pipe 7 are inserted into the open plug cylinder 801. After the insertion is completed, the first electric telescopic rod 8021 is opened, and the clamping plate 8022 moves under the action of the first electric telescopic rod 8021 to clamp the welding pipe 7.

[0038] Specifically, a group of slide grooves 101 are internally rotatably provided with a screw mechanism 1011, and one end of the screw mechanism 1011 is connected to the second drive motor 1012. The screw mechanism 1011 can drive a group of sliders 102 to move. When it is necessary to drive the welding pipe 7 to move, the second drive motor 1012 is turned on. Under the action of the second drive motor 1012, the screw mechanism 1011 rotates, thereby driving a group of sliders 102 to move, and the positioning plate 103 and the limiting cylinder mechanism 8 are synchronously displaced, thereby driving the welding pipe 7 to move.

[0039] Specifically, a first driving motor 4 is arranged at the bottom of the processing table 1, and the first driving motor 4 can drive a rotating rod 401 arranged at the bottom of the processing table 1 to rotate, and two sets of driving wheels 402 are installed on the outside of the rotating rod 401, and the driving wheel 402 can drive a fixed ring 404 and a spray cylinder 405 to rotate through a transmission belt 403.

[0040] In a further embodiment, an adjustable rust removal and grinding device 5 is installed on one side of the fixed ring 404, the fixed ring 404 is located inside the rust removal box 2, and the outer side of the fixed ring 404 is rotatably connected to the first stabilizing ring 406 arranged inside the rust removal box 2. The setting of the first stabilizing ring 406 can improve the stability of the fixed ring 404 during rotation.

[0041] Specifically, the adjustable rust removal and grinding device 5 includes a second electric telescopic rod 501, which is connected to the outer side of one end of the fixing ring 404, and one end of the second electric telescopic rod 501 is movably connected to the first V-shaped rod 502, the first V-shaped rod 502 is connected to the first grinding roller mechanism 503, and the other end of the first V-shaped rod 502 is movably connected to the first connecting rod 504, the other end of the first connecting rod 504 is movably connected to the second V-shaped rod 505, and the second V-shaped rod 505 is connected to the second grinding roller mechanism 506, and the second V The other end of the shaping rod 505 is movably connected to the second connecting rod 507, the other end of the second connecting rod 507 is movably connected to the third connecting rod 508, the other end of the third connecting rod 508 is movably connected to the third grinding roller mechanism 509, the first grinding roller mechanism 503 includes a disc 5031, and one side of the disc 5031 is movably connected to the moving rod 5033 through a connecting arm 5032, the moving rod 5033 slides inside the sliding groove 5034, and the other end of the moving rod 5033 is installed with a grinding roller 5035, the first grinding roller mechanism 503 and the second grinding roller mechanism The structure of the first grinding roller mechanism 506 and the third grinding roller mechanism 509 is the same. When the position of the grinding roller 5035 needs to be adjusted according to the diameter of the welding pipe 7, the second electric telescopic rod 501 is turned on. The second electric telescopic rod 501 drives the disc 5031 in the first grinding roller mechanism 503 to rotate through the first V-shaped rod 502. Under the action of the rotation of the disc 5031, the connecting arm 5032 drives the moving rod 5033 to move in the sliding groove 5034, so that the position of the grinding roller 5035 changes. At the same time, the movement of the first V-shaped rod 502 can drive the first connecting rod 504 moves, the first connecting rod 504 drives the disc 5031 in the second grinding roller mechanism 506 to rotate through the second V-shaped rod 505, so that the position of the grinding roller 5035 changes, the movement of the second V-shaped rod 505 can drive the second connecting rod 507 to move, the second connecting rod 507 drives the disc 5031 in the third grinding roller mechanism 509 to rotate through the third connecting rod 508, so that the position of the grinding roller 5035 changes, when the three groups of grinding rollers 5035 are in contact with the outer side of the welding pipe 7, the position adjustment is completed.

[0042] In a further embodiment, the spray cylinder 405 is located inside the spray repair box 3, and the outer side of the spray cylinder 405 is rotatably connected to the second stabilizing ring 407 arranged inside the spray repair box 3. The setting of the second stabilizing ring 407 can improve the stability of the spray cylinder 405 during rotation, and the paint nozzle 4051 is symmetrically installed on the inner side of the spray cylinder 405.

[0043] When in use, by turning on the first drive motor 4, the fixed ring 404 and the spray barrel 405 can be driven to rotate, and the fixed ring 404 drives the adjustable rust removal and grinding device 5 to rotate, thereby grinding the rust on the surface of the welding pipe 7. The polished welding pipe 7 moves under the action of the second drive motor 1012 and moves to the inside of the rotating spray barrel 405, so that the paint is evenly sprayed on its outer surface.

[0044] Specifically, an air collecting hood 6 is installed on the top of the rust removal box 2, and the air collecting hood 6 is connected to the inside of the purification box 602 through the air inlet pipe 601. The purification box 602 is provided with a dust removal filter 603 and an activated carbon block 604. The dust removal filter 603 and the activated carbon block 604 are detachably connected to the inside of the purification box 602, which is convenient for replacement at a later time. The activated carbon block 604 is provided with equidistantly distributed conical air inlets 6041 on one side close to the air inlet pipe 601, and the conical air inlet 6041 is connected to a curved air hole 6042 that runs through the inside of the activated carbon block 604. The curved air hole 6042 is used to make the gas impact the activated carbon block 604, thereby improving the adequacy of the contact and increasing the efficiency of the air flow. The effect of adsorption and deodorization is added, and the air outlet end of the purification box 602 is connected to the fan 606 through the first conveying pipe 605, and the air outlet end of the fan 606 is connected to the air drying cylinder 608 arranged inside the spray repair box 3 through the second conveying pipe 607. A plurality of groups of air drying nozzles 6081 used in conjunction with the welding pipe 7 are arranged on the inner side of the air drying cylinder 608, and the air drying cylinder 608 is connected to the inner wall of the spray repair box 3 through the symmetrically arranged fixed arms 609. When in use, the fan 606 is turned on, and under the action of the fan 606, the exhaust gas in the rust removal box 2 enters the purification box 602 for impurity removal and purification, and the purified gas is sprayed from the air drying nozzle 6081 to air-dry the surface coating of the welding pipe 7.

[0045] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the protection content of the present invention.

[0046] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A surface rust removal device for welding pipe processing with a repair mechanism, comprising a processing table (1), characterized in that: A rust removal box (2) and a spray repair box (3) are installed above the processing table (1), and a first drive motor (4) is arranged at the bottom of the processing table (1). The first drive motor (4) can drive a rotating rod (401) arranged at the bottom of the processing table (1) to rotate, and two sets of driving wheels (402) are installed on the outside of the rotating rod (401). The driving wheels (402) can drive a fixed ring (404) and a spray barrel (405) to rotate through a transmission belt (403), and an adjustable rust removal and grinding device (5) is installed on one side of the fixed ring (404). The fixed ring (404) is located inside the rust removal box (2), and the outside of the fixed ring (404) is rotatably connected to a first stabilizing ring (406) arranged inside the rust removal box (2). The spray barrel (405) is located inside the spray repair box (3), and the outside of the spray barrel (405) is connected to the first stabilizing ring (406) arranged inside the rust removal box (2). The rust removal box (2) is rotatably connected to a second stabilizing ring (407) provided inside the spray repair box (3); an air collecting hood (6) is installed on the top of the rust removal box (2); and the air collecting hood (6) is connected to the inside of the purification box (602) through an air inlet pipe (601); a dust removal filter (603) and an activated carbon block (604) are provided inside the purification box (602); and the air outlet of the purification box (602) is connected to a fan (606) through a first conveying pipe (605); and the air outlet of the fan (606) is connected to an air drying cylinder (608) provided inside the spray repair box (3) through a second conveying pipe (607); and a plurality of groups of air drying nozzles (6081) used in conjunction with the welding pipe (7) are provided inside the air drying cylinder (608); and the air drying cylinder (608) is connected to the inner wall of the spray repair box (3) through symmetrically arranged fixed arms (609).

2. The surface rust removal device for welding pipe processing with a repair mechanism according to claim 1 is characterized in that: The processing table (1) is provided with two groups of slide grooves (101) on the top, and a slider (102) is slidably connected inside the slide groove (101), a positioning plate (103) is installed on the top of the slider (102), and a limiting cylinder mechanism (8) used in conjunction with the welding pipe (7) is arranged on the inner side of the positioning plate (103).

3. The surface rust removal device for welding pipe processing with a repair mechanism according to claim 2 is characterized in that: The limiting cylinder mechanism (8) comprises an open insert cylinder (801), and a clamping plate mechanism (802) is symmetrically arranged inside the open insert cylinder (801), and the clamping plate mechanism (802) comprises a first electric telescopic rod (8021), and one end of the first electric telescopic rod (8021) is connected to the inner wall of the open insert cylinder (801), and the other end is connected to the clamping plate (8022).

4. The surface rust removal device for welding pipe processing with a repair mechanism according to claim 2 is characterized in that: A screw mechanism (1011) is rotatably arranged inside a group of the slide grooves (101), and one end of the screw mechanism (1011) is connected to a second drive motor (1012). The screw mechanism (1011) can drive a group of sliders (102) to move.

5. The surface rust removal device for welding pipe processing with a repair mechanism according to claim 1 is characterized in that: The rust removal box (2) and the spray repair box (3) are both provided with moving grooves for the welding pipe (7) to move.

6. The surface rust removal device for welding pipe processing with a repair mechanism according to claim 1 is characterized in that: The adjustable rust removal and grinding device (5) comprises a second electric telescopic rod (501), the second electric telescopic rod (501) is connected to the outer side of one end of the fixing ring (404), and one end of the second electric telescopic rod (501) is movably connected to the first V-shaped rod (502), the first V-shaped rod (502) is connected to the first grinding roller mechanism (503), and the other end of the first V-shaped rod (502) is movably connected to the first connecting rod (504), the other end of the first connecting rod (504) is movably connected to the second V-shaped rod (505), and the second V-shaped rod (505) is connected to the second grinding roller mechanism (506), the other end of the second V-shaped rod (505) is movably connected to the second connecting rod (507), the other end of the second connecting rod (507) is movably connected to the third connecting rod (508), and the other end of the third connecting rod (508) is movably connected to the third grinding roller mechanism (509).

7. The surface rust removal device for welding pipe processing with a repair mechanism according to claim 6 is characterized in that: The first grinding roller mechanism (503) comprises a disc (5031), and one side of the disc (5031) is movably connected to a moving rod (5033) via a connecting arm (5032); the moving rod (5033) slides inside a sliding groove (5034), and a grinding roller (5035) is installed at the other end of the moving rod (5033); the first grinding roller mechanism (503) has the same structure as the second grinding roller mechanism (506) and the third grinding roller mechanism (509).

8. The surface rust removal device with a repair mechanism for welding pipe processing according to claim 1 is characterized in that: A paint spray head (4051) is symmetrically mounted on the inner side of the spray cylinder (405).

9. The surface rust removal device for welding pipe processing with a repair mechanism according to claim 1, characterized in that: The activated carbon block (604) is provided with conical air inlets (6041) distributed at equal distances on one side close to the air inlet pipe (601), and the conical air inlets (6041) are connected to the curved air holes (6042) penetrating the interior of the activated carbon block (604).

Citation Information

Patent Citations

  • High-frequency welded pipe inner and outer wall rust removal device

    CN113681424A