Steel pipe inner wall rust removal device

Abstract

The utility model discloses a steel pipe inner wall rust removal device which comprises a base, the top of the base is symmetrically and fixedly connected with two fixing seats, the two fixing seats are both provided with pushing assemblies, and the movable ends of the two pushing assemblies are fixedly provided with a pneumatic wrench and a paint spraying can respectively; an air supply assembly is jointly installed between the pneumatic wrench and the paint spraying can. The driving end of the pneumatic wrench is fixedly connected with a long rod, and the other end of the long rod is fixedly connected with a rust removal head. According to the automatic rust removal and paint spraying device, through the arrangement of the fixing base, the pushing assembly, the pneumatic wrench, the paint spraying can, the air supply assembly, the long rod, the rust removal head, the spraying hole, the steel pipe, the installation base, the left-right driving assembly, the pneumatic clamping jaw, the arc-shaped clamp and the stroke and limiting assembly, in the using process, a steel pipe workpiece is fixed, then rust removal and paint spraying operation is automatically conducted, manpower participation is reduced, and the labor intensity is relieved. And the rust removal and corrosion prevention efficiency is improved, and the rust removal and corrosion prevention cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of rust removal, in particular to a device for removing rust from the inner wall of a steel pipe. Background Art

[0002] Rust removal is the method of removing rust from metal surfaces by various means. The significance of rust removal is to improve the corrosion resistance of materials, maintain beauty, improve safety, save costs, and ultimately extend the service life of materials.

[0003] At present, a large number of air and water pipes and gas pipes are needed in underground coal mine headings. After being recovered and lifted to the surface, a layer of rust will form on the inner wall of the air and water pipes and gas pipes after long-term use. After being lifted to the surface, a large amount of manpower is needed to carry out manual rust removal and anti-corrosion before they can be reused, which makes the cost of rust removal and anti-corrosion high. Utility Model Content

[0004] The utility model is a steel pipe inner wall rust removal device proposed to solve the shortcomings in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a steel pipe inner wall rust removal device, comprising a base, the top of the base is symmetrically fixedly connected with two fixed seats, the two fixed seats are both equipped with a pushing assembly, and the movable ends of the two pushing assemblies are respectively fixedly equipped with a pneumatic wrench and a paint spray pot;

[0006] An air supply assembly is installed between the pneumatic wrench and the paint spray pot;

[0007] The driving end of the pneumatic wrench is fixedly connected to a long rod, and the other end of the long rod is fixedly connected to a rust removal head;

[0008] A steel pipe is fixedly passed through the output end of the paint spray pot, and the steel pipe is in contact with the rust removal head. The steel pipe is located at one end of the rust removal head and adopts a conical design. A plurality of spray holes are evenly opened on the inclined surface of the steel pipe.

[0009] The top of the base is fixedly connected with a mounting seat, and the mounting seat is located between the two fixed seats. The mounting seat is installed with left and right drive components, and the movable ends of the left and right drive components are symmetrically fixedly installed with two pneumatic clamps, and the two movable ends of the two pneumatic clamps are fixedly installed with arc clamps, and the four arc clamps clamp a steel pipe workpiece together, and the steel pipe workpiece is sleeved on the outer surface of the rust removal head;

[0010] A travel groove is provided on one side of the top of the mounting seat, and two limit assemblies are installed between the travel groove and the mounting seat.

[0011] Furthermore, the two pushing components each include a driving motor, and the driving motor is fixedly mounted on an outer wall of one side of the fixed seat, a driving end of the driving motor is fixedly connected to a screw rod, and the screw rod passes through the fixed seat and is rotatably connected thereto, a sliding seat is threadedly sleeved on the outer surface of the screw rod, and the sliding seat is slidably connected to the fixed seat and fixedly connected to an adjacent pneumatic wrench and a paint spray pot, and the fixed seat has a limiting effect on the sliding seat, thereby ensuring the stability of the movement of the sliding seat.

[0012] Furthermore, the air supply assembly includes an air compressor, and a three-way solenoid valve is fixedly connected to the output end of the air compressor, and the remaining two interfaces of the three-way solenoid valve are respectively fixedly connected with a first hose and a second hose, and the first hose is fixedly connected to the pneumatic wrench, and the second hose is fixedly connected to the paint spray pot, and the three-way solenoid valve can control the connection between the first hose or the second hose and the air compressor.

[0013] Furthermore, the left and right driving components include two synchronous pulleys, and the synchronous pulleys are rotatably connected to the inner walls on both sides of the mounting seat, and a synchronous belt is meshed and sleeved between the two synchronous pulleys. The outer surface of the synchronous belt is fixedly connected to a movable seat, and the movable seat and the mounting seat are slidably connected. The movable seat is fixedly connected to the pneumatic clamp, and the mounting seat has a limiting effect on the movable seat, which can ensure the stability of the movement of the movable seat.

[0014] Furthermore, the left and right drive components also include a reduction motor, and the reduction motor is fixedly mounted on an outer wall of one side of the mounting seat. The driving end of the reduction motor passes through the mounting seat and is fixedly connected to the adjacent synchronous pulleys to facilitate driving the synchronous pulleys connected thereto to rotate.

[0015] Furthermore, the two limit assemblies each include a sliding member, and the sliding member is slidably connected to the travel groove and the mounting seat. A travel switch is fixedly installed on one side of the sliding member close to the movable seat, which has a limiting effect on the travel of the movable seat.

[0016] Furthermore, a locking bolt passes through and is threadedly connected to one side of the outer surface of the sliding member, and the locking bolt abuts against the mounting seat, so as to facilitate adjustment of the position of the sliding member.

[0017] Beneficial effects of the utility model:

[0018] When the utility model is in use, the rust removal device for the inner wall of a steel pipe fixes the steel pipe workpiece through the arranged fixed seat, pushing assembly, pneumatic wrench, paint spray pot, air supply assembly, long rod, rust removal head, spray hole, steel pipe, mounting seat, left and right drive assemblies, pneumatic clamps, arc clamps, stroke and limit assemblies, and then automatically performs rust removal and paint spraying operations, thereby reducing human participation, improving the efficiency of rust removal and corrosion prevention, and also reducing the cost of rust removal and corrosion prevention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 : A three-dimensional diagram of the utility model;

[0021] Figure 2 :The utility model Figure 1 The enlarged view of point A in the middle;

[0022] Figure 3 : A top view of the utility model;

[0023] Figure 4 : A partial cross-sectional view of the utility model;

[0024] Figure 5 :The utility model Figure 4 Enlarged view of point B in the middle.

[0025] The reference numerals are as follows:

[0026] 1. Base; 2. Fixed seat; 3. Pneumatic wrench; 4. First hose; 5. Arc clamp; 6. Three-way solenoid valve; 7. Steel pipe workpiece; 8. Air compressor; 9. Mounting seat; 10. Paint spray pot; 11. Second hose; 12. Reducer motor; 13. Steel pipe; 14. Travel switch; 15. Sliding part; 16. Synchronous belt; 17. Travel groove; 18. Locking bolt; 19. Driving motor; 20. Screw; 21. Long rod; 22. Sliding seat; 23. Synchronous pulley; 24. Pneumatic clamp; 25. Rust removal head; 26. Movable seat; 27. Spray hole. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] like Figures 1 to 5As shown, a rust removal device for the inner wall of a steel pipe is disclosed, comprising a base 1, wherein two fixed seats 2 are symmetrically fixedly connected to the top of the base 1, and the two fixed seats 2 are both installed with pushing components, and the movable ends of the two pushing components are respectively fixedly installed with a pneumatic wrench 3 and a paint spray pot 10, and the two pushing components each comprise a driving motor 19, and the driving motor 19 is fixedly installed on an outer wall of one side of the fixed seat 2, and a screw rod 20 is fixedly connected to the driving end of the driving motor 19, and the screw rod 20 penetrates the fixed seat 2 and is rotatably connected thereto, and a sliding seat 22 is threadedly sleeved on the outer surface of the screw rod 20, and the sliding seat 22 is slidably connected to the fixed seat 2 and is fixedly connected to the adjacent pneumatic wrench 3 and the paint spray pot 10, and when it is necessary to drive the pneumatic wrench 3 or the paint spray pot 10 to move, the driving motor 19 drives the screw rod 20 to rotate, and the screw rod 20 drives the sliding seat 22 to move, and the sliding seat 22 can drive the pneumatic wrench 3 or the paint spray pot 10 to move.

[0029] An air supply assembly is installed between the pneumatic wrench 3 and the paint spray pot 10, and the air supply assembly includes an air compressor 8. The output end of the air compressor 8 is fixedly connected with a three-way solenoid valve 6, and the remaining two interfaces of the three-way solenoid valve 6 are respectively fixedly connected with a first hose 4 and a second hose 11. The first hose 4 is fixedly connected with the pneumatic wrench 3, and the second hose 11 is fixedly connected with the paint spray pot 10, so that an air source can be provided for the pneumatic wrench 3 and the paint spray pot 10.

[0030] The driving end of the pneumatic wrench 3 is fixedly connected to a long rod 21, and the other end of the long rod 21 is fixedly connected to a rust removal head 25, so as to facilitate the rust removal operation.

[0031] A steel pipe 13 is fixedly passed through the output end of the paint spray pot 10, and the steel pipe 13 is in contact with the rust removal head 25. The steel pipe 13 is located at one end of the rust removal head 25 and adopts a conical design. The conical design is conducive to the contact with the rust removal head 25. A plurality of spray holes 27 are evenly arranged on the inclined surface of the steel pipe 13. The setting of the spray holes 27 is conducive to spraying paint.

[0032] A mounting seat 9 is fixedly connected to the top of the base 1, and the mounting seat 9 is located between the two fixed seats 2. A left and right driving assembly is installed in the mounting seat 9. Two pneumatic clamps 24 are symmetrically fixedly installed on the movable ends of the left and right driving assemblies. Both movable ends of the two pneumatic clamps 24 are fixedly installed with arc clamps 5. The four arc clamps 5 clamp the steel pipe workpiece 7 together, and the steel pipe workpiece 7 is sleeved on the outer surface of the rust removal head 25. The left and right driving assemblies include two synchronous pulleys 23, and the synchronous pulleys 23 are rotatably connected to the inner walls on both sides of the mounting seat 9. A synchronous belt 16 is meshed and sleeved between the two synchronous pulleys 23. The outer surface of the synchronous belt 16 is fixedly connected to a movable seat 26, and the movable seat 26 slides between the mounting seat 9. The movable seat 26 is connected with the pneumatic clamp 24 and is fixedly connected. The left and right driving components also include a reduction motor 12, and the reduction motor 12 is fixedly mounted on the outer wall of one side of the mounting seat 9. The driving end of the reduction motor 12 passes through the mounting seat 9 and is fixedly connected to the adjacent synchronous pulleys 23. When the steel pipe workpiece 7 is rust-removed, the steel pipe workpiece 7 needs to be placed between the four arc clamps 5, and then the pneumatic clamp 24 drives the two arc clamps 5 connected thereto to approach each other until the steel pipe workpiece 7 is fixed. When the steel pipe workpiece 7 needs to be moved left and right, the reduction motor 12 drives the synchronous pulley 23 connected thereto to rotate, and the synchronous pulley 23 drives the movable seat 26 to move through another synchronous pulley 23 and the synchronous belt 16.

[0033] A travel groove 17 is provided on one side of the top of the mounting seat 9, and two limit assemblies are installed between the travel groove 17 and the mounting seat 9. The two limit assemblies include a sliding member 15, and the sliding member 15 is slidably connected to the travel groove 17 and the mounting seat 9. A travel switch 14 is fixedly installed on the side of the sliding member 15 close to the movable seat 26. A locking bolt 18 penetrates and is threadedly connected to one side of the outer surface of the sliding member 15, and the locking bolt 18 abuts against the mounting seat 9. When adjusting the position of the travel switch 14, it is necessary to first loosen the locking bolt 18, and then push the sliding member 15 to move until it reaches the set position, and then tighten the locking bolt 18.

[0034] Working principle: the steel pipe workpiece 7 is placed between the four arc clamps 5, and then the pneumatic clamp 24 drives the two arc clamps 5 connected thereto to move closer to each other until the steel pipe workpiece 7 is fixed, and the two driving motors 19 operate synchronously, the driving motor 19 drives the screw rod 20 to rotate, and the screw rod 20 drives the slide 22 to move, and the slide 22 can drive the pneumatic wrench 3 and the paint spray pot 10 to move closer to each other until the steel pipe 13 abuts against the rust removal head 25, and then the three-way solenoid valve 6 controls the air compressor 8 to be connected with the first hose 4, and then the pneumatic wrench 3 is driven to operate through the air compressor 8, and the pneumatic wrench 3 drives the rust removal head 25 to rotate through the long rod 21, thereby removing rust from the inner wall of the steel pipe workpiece 7, and then the reduction motor 12 drives the synchronous motor 19 connected thereto to rotate, and the pneumatic wrench 3 drives the rust removal head 25 to rotate, thereby removing rust from the inner wall of the steel pipe workpiece 7, and then the reduction motor 12 drives the synchronous motor 19 connected thereto to rotate, and ...9 drives the rust removal head 25 to rotate, and the reduction motor 12 drives the synchronous motor 19 connected thereto to rotate, and the reduction motor 19 drives the rust removal head 25 to rotate, and the reduction motor 19 drives the rust removal head 25 to rotate, and the reduction motor 19 drives the rust removal head 25 to rotate, and the reduction motor 19 drives the rust removal head 25 to rotate, and the reduction motor The pulley 23 rotates, and the synchronous pulley 23 drives the movable seat 26 to move to one side through another synchronous pulley 23 and the synchronous belt 16. The movable seat 26 drives the steel pipe workpiece 7 to move through various components, so that the rust removal head 25 and the steel pipe workpiece 7 move relative to each other, which is convenient for rust removal of the steel pipe workpiece 7. When the movable seat 26 touches the travel switch 14 on one side, it moves back until it touches the travel switch 14 on the other side. Then the three-way solenoid valve 6 controls the air compressor 8 to connect with the second hose 11, and assists the paint spray pot 10 to spray the paint through the steel pipe 13 and the spray hole 27. At this time, the left and right drive components drive the steel pipe workpiece 7 to move to the other side until it touches the travel switch 14 on that side, thereby completing the rust removal and anti-corrosion operations.

[0035] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A device for removing rust from the inner wall of a steel pipe, comprising a base (1), characterized in that: Two fixing seats (2) are symmetrically fixedly connected to the top of the base (1), and the two fixing seats (2) are both installed with a pushing assembly, and the movable ends of the two pushing assemblies are respectively fixedly installed with a pneumatic wrench (3) and a paint spray pot (10); An air supply assembly is installed between the pneumatic wrench (3) and the paint spray pot (10); The driving end of the pneumatic wrench (3) is fixedly connected to a long rod (21), and the other end of the long rod (21) is fixedly connected to a rust removal head (25); The output end of the paint spray pot (10) is fixedly penetrated by a steel pipe (13), and the steel pipe (13) is in contact with the rust removal head (25), and the steel pipe (13) is located at one end of the rust removal head (25) and is designed in a conical shape, and a plurality of spray holes (27) are evenly opened on the inclined surface of the steel pipe (13); The top of the base (1) is fixedly connected with a mounting seat (9), and the mounting seat (9) is located between the two fixed seats (2). The mounting seat (9) is installed with left and right drive components, and the movable ends of the left and right drive components are symmetrically fixedly installed with two pneumatic clamps (24), and the two movable ends of the two pneumatic clamps (24) are fixedly installed with arc clamps (5), and the four arc clamps (5) clamp the steel pipe workpiece (7) together, and the steel pipe workpiece (7) is sleeved on the outer surface of the rust removal head (25); A travel groove (17) is provided on one side of the top of the mounting seat (9), and two limit assemblies are installed between the travel groove (17) and the mounting seat (9).

2. A steel pipe inner wall rust removal device according to claim 1, characterized in that: The two pushing components both include a driving motor (19), and the driving motor (19) is fixedly mounted on an outer wall of one side of the fixing seat (2), a driving end of the driving motor (19) is fixedly connected with a screw rod (20), and the screw rod (20) passes through the fixing seat (2) and is rotatably connected thereto, a sliding seat (22) is threadedly sleeved on the outer surface of the screw rod (20), and the sliding seat (22) is slidably connected to the fixing seat (2) and is fixedly connected to an adjacent pneumatic wrench (3) and a paint spray pot (10).

3. A steel pipe inner wall rust removal device according to claim 1, characterized in that: The air supply assembly comprises an air compressor (8), the output end of the air compressor (8) is fixedly connected with a three-way solenoid valve (6), the remaining two interfaces of the three-way solenoid valve (6) are respectively fixedly connected with a first hose (4) and a second hose (11), and the first hose (4) is fixedly connected with a pneumatic wrench (3), and the second hose (11) is fixedly connected with a paint spray pot (10).

4. A steel pipe inner wall rust removal device according to claim 1, characterized in that: The left and right driving components include two synchronous pulleys (23), and the synchronous pulleys (23) are rotatably connected to the inner walls of the mounting seat (9) on both sides. A synchronous belt (16) is meshed and sleeved between the two synchronous pulleys (23). A movable seat (26) is fixedly connected to the outer surface of the synchronous belt (16), and the movable seat (26) is slidably connected to the mounting seat (9). The movable seat (26) is fixedly connected to the pneumatic clamp (24).

5. A steel pipe inner wall rust removal device according to claim 4, characterized in that: The left and right drive components also include a reduction motor (12), and the reduction motor (12) is fixedly mounted on an outer wall of one side of the mounting seat (9), and a driving end of the reduction motor (12) passes through the mounting seat (9) and is fixedly connected to an adjacent synchronous pulley (23).

6. The device for removing rust from the inner wall of a steel pipe according to claim 1, characterized in that: The two limit assemblies both include a sliding member (15), and the sliding member (15) is slidably connected to the travel groove (17) and the mounting seat (9), and a travel switch (14) is fixedly mounted on one side of the sliding member (15) close to the movable seat (26).

7. A steel pipe inner wall rust removal device according to claim 6, characterized in that: A locking bolt (18) penetrates and is threadedly connected to one side of the outer surface of the sliding member (15), and the locking bolt (18) abuts against the mounting seat (9).

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