Square steel surface rust removal device for steel structure machining

Abstract

The utility model discloses a square steel surface derusting device for steel structure processing, which comprises a derusting box, one end of the derusting box is provided with a feed port, the other end of the derusting box is provided with a discharge port, and the lower part of the inner cavity of the derusting box is provided with a support structure. The upper portion and the lower portion of one end of an inner cavity of the rust removal box are each rotationally provided with a first grinding roller, and the front side and the rear side of the other end of the inner cavity of the rust removal box are each rotationally provided with a second grinding roller. According to the square steel surface rust removal device for steel structure machining, square steel penetrates through the interior of the hollow frame body, after the multiple air nozzles make contact with the surface of the square steel, rust powder remaining on the surface of the square steel can be brushed and cleaned, and the activity of the rust powder on the surface of the square steel can be improved in cooperation with air flow blown out by the air nozzles; the cleaning thoroughness of rust powder on the surface of square steel is improved, the labor amount of workers is reduced, and the production and machining efficiency of the square steel is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to square steel rust removal device technical field, specifically be square steel surface rust removal device for steel structure processing. BACKGROUND

[0002] Cold-drawn square steel refers to cold-drawn steel with square forging shape, and the main use of square steel is: square steel can be used for making hoop iron, tools and mechanical parts as finished products, and is used as house frame structural parts and escalators in construction. The production of square steel often needs cold plate treatment, and cold drawing refers to the method of applying pulling force to one end of the material to pull it through a die hole, and the hole diameter of the die is smaller than the diameter of the material. Since square steel belongs to steel, it will rust, and rust removal treatment needs to be performed on the surface of square steel during production or after long-term use to improve the service life of square steel.

[0003] Chinese patent CN217552074U discloses a high-corrosion-resistant square steel surface rust removal device. Through the cooperation of the motor, the two threaded shafts, the two groups of external threads arranged outside the two threaded shafts, the connecting shaft, the meshing transmission of the two bevel gears, the two belt pulleys and the cross-arranged belt, the distance between the corresponding two rust removal rollers can be adjusted, so that the rust removal device can remove rust from square steel of different sizes, and has a wide range of applications.

[0004] However, the square steel surface rust removal device for steel structure processing has the problem that the surface of the polished square steel is prone to retain some rust powder particles that have separated from the surface of the square steel, affecting the subsequent processing of the square steel, and manual cleaning is required after discharging, increasing the labor of the workers and reducing the production and processing efficiency of the square steel. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a square steel surface rust removal device for steel structure processing, which solves the problem that the surface of the polished square steel is prone to retain some rust powder particles that have separated from the surface of the square steel, affecting the subsequent processing of the square steel.

[0006] To achieve the above purpose, the utility model realizes the following technical scheme: a square steel surface rust removal device for steel structure processing, comprising a rust removal box, one end of the rust removal box is provided with an inlet, the other end of the rust removal box is provided with an outlet, and the lower part of the inner cavity of the rust removal box is provided with a supporting structure.

[0007] The upper part and the lower part of one end of the inner cavity of the rust removal box are both rotatably provided with a first polishing roller, and the front side and the rear side of the other end of the inner cavity of the rust removal box are both rotatably provided with a second polishing roller.

[0008] The inner cavity of the rust removal box is provided with a hollow frame located at the other end of the second grinding roller. The inner wall of the hollow frame is connected to several air nozzles, and several brush pieces are fixedly connected to the inner wall of the hollow frame. A collection trough is provided at the bottom of the rust removal box.

[0009] Furthermore, the support structure includes two first conveying rollers, a second conveying roller, and a third conveying roller. The two first conveying rollers, the second conveying roller, and the third conveying roller are arranged sequentially from one end to the other end of the rust removal box. The two first grinding rollers are located between the two first conveying rollers and the second conveying roller, and the two second grinding rollers and the hollow frame are located between the second conveying roller and the third conveying roller.

[0010] Furthermore, the bottom of the rust removal box is vertically fixedly connected with several support legs, and the bottom end of each support leg is fixedly connected with a pad.

[0011] Furthermore, a maintenance cover is installed on the front side of the rust removal box by means of several screws, and an observation window is provided on the surface of the maintenance cover.

[0012] Furthermore, a second drive assembly for driving the two second grinding rollers to rotate is provided in the upper part of the inner cavity of the rust removal box, and a first drive assembly for driving the two first grinding rollers to rotate is provided on the rear side of the rust removal box.

[0013] Furthermore, the side wall of the hollow frame is connected to an air inlet pipe, and the other end of the air inlet pipe extends to the outside of the rust removal box and is provided with a flange.

[0014] Furthermore, the plurality of jet nozzles are evenly spaced along the inner wall of the hollow frame, and the plurality of brush components are evenly spaced along the inner wall of the hollow frame.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: Square steel is conveyed into the inner cavity of the rust removal box through the feed inlet. Two first grinding rollers then grind and remove rust from the top and bottom of the square steel. After grinding and rust removal, the steel is conveyed between two second grinding rollers for grinding and rust removal on both sides, thus thoroughly removing rust from the surface. After processing, the square steel passes through the hollow frame and is then cleaned by multiple air jets that brush away any remaining rust powder. The airflow from the air jets further enhances the activity of the rust powder on the surface, improving the thoroughness of rust removal. No manual cleaning is required after discharge, reducing labor and increasing the production efficiency of square steel. Attached Figure Description

[0016] Figure 1This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the flange and air inlet pipe in this utility model;

[0018] Figure 3 This is a schematic diagram of the hollow frame and brush component in this utility model;

[0019] Figure 4 This is a front cross-sectional view of the present invention.

[0020] In the diagram: 1. Rust removal box; 2. Discharge port; 3. Support leg; 4. Screw; 5. Inspection cover plate; 6. Observation window; 7. First conveyor roller; 8. Second conveyor roller; 9. Third conveyor roller; 10. First grinding roller; 11. First drive assembly; 12. Second drive assembly; 13. Second grinding roller; 14. Foot pad; 15. Hollow frame; 16. Air nozzle; 17. Brush; 18. Air inlet pipe; 19. Flange; 20. Collection trough; 21. Feed inlet. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-4 This utility model provides a technical solution: a rust removal device for square steel surface of steel structure processing, including a rust removal box 1, a feed inlet 21 at one end of the rust removal box 1, a discharge outlet 2 at the other end of the rust removal box 1, and a support structure provided in the lower part of the inner cavity of the rust removal box 1.

[0023] The upper and lower parts of one end of the rust removal box 1 are rotatably equipped with a first grinding roller 10, and the front and rear sides of the other end of the rust removal box 1 are rotatably equipped with a second grinding roller 13.

[0024] The upper part of the inner cavity of the rust removal box 1 is provided with a second drive assembly 12 for driving the two second grinding rollers 13 to rotate, and the rear side of the rust removal box 1 is provided with a first drive assembly 11 for driving the two first grinding rollers 10 to rotate. The first drive assembly 11 and the second drive assembly 12 are existing technologies and will not be described in detail here.

[0025] The inner cavity of the rust removal box 1 is provided with a hollow frame 15 located at the other end of the second grinding roller 13. Several air nozzles 16 are connected to the inner wall of the hollow frame 15. Several brush pieces 17 are fixedly connected to the inner wall of the hollow frame 15. A collection trough 20 is provided at the bottom of the rust removal box 1.

[0026] The feed inlet 21 conveys the square steel into the inner cavity of the rust removal box 1, where the top and bottom of the square steel are ground and rusted by the two first grinding rollers 10. After the grinding and rust removal is completed, the steel is conveyed between the two second grinding rollers 13, where the sides of the square steel are ground and rusted, thus thoroughly removing rust from the surface of the square steel.

[0027] After processing, the square steel passes through the interior of the hollow frame 15. After contacting the surface of the square steel through multiple air nozzles 16, the rust powder remaining on the surface of the square steel can be brushed and cleaned.

[0028] The jet nozzle 16 blows out airflow, which can increase the activity of rust powder on the surface of square steel and improve the thoroughness of rust powder cleaning. After discharge, no manual cleaning is required by the staff, reducing the workload of the staff and improving the production and processing efficiency of square steel.

[0029] The support structure includes two first conveying rollers 7, a second conveying roller 8, and a third conveying roller 9. The two first conveying rollers 7, the second conveying roller 8, and the third conveying roller 9 are arranged sequentially from one end to the other end of the rust removal box 1. Two first grinding rollers 10 are located between the two first conveying rollers 7 and the second conveying roller 8. Two second grinding rollers 13 and the hollow frame 15 are located between the second conveying roller 8 and the third conveying roller 9.

[0030] Two first conveying rollers 7, a second conveying roller 8, and a third conveying roller 9 ensure the stability of the square steel moving within the rust removal box 1, thereby improving the rust removal quality of the square steel surface.

[0031] The bottom of the rust removal box 1 is vertically fixedly connected with several support legs 3, and the bottom of the support legs 3 is fixedly connected with pads 14.

[0032] The front side of the rust removal box 1 is fitted with an inspection cover 5, which is removed by several screws 4. An observation window 6 is provided on the surface of the inspection cover 5.

[0033] By removing multiple screws 4, the inspection cover 5 can be removed, making it easier to drain and clean the rust powder remaining inside the collection tank 20.

[0034] The side wall of the hollow frame 15 is connected to an air inlet pipe 18, and the other end of the air inlet pipe 18 extends to the outside of the rust removal box 1 and is provided with a flange 19.

[0035] The flange 19 facilitates the connection between the external air injection equipment and the air inlet pipe 18, thereby injecting airflow into the interior of the hollow frame 15.

[0036] Multiple air nozzles 16 are evenly spaced along the inner wall of the hollow frame 15, and multiple brush parts 17 are evenly spaced along the inner wall of the hollow frame 15.

[0037] During operation, the feed inlet 21 conveys the square steel into the inner cavity of the rust removal box 1, where the top and bottom of the square steel are ground and rusted by two first grinding rollers 10. After the grinding and rust removal is completed, the steel is conveyed between two second grinding rollers 13, where the sides of the square steel are ground and rusted, thus thoroughly removing rust from the surface of the steel. After processing, the square steel passes through the interior of the hollow frame 15 and comes into contact with the surface of the square steel through multiple air nozzles 16, which brush and clean the rust powder remaining on the surface of the square steel. The airflow blown out by the air nozzles 16 increases the activity of the rust powder on the surface of the square steel, thereby improving the thoroughness of the rust powder cleaning.

[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0039] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A square steel surface rust removal device for steel structure processing, comprising a rust removal box (1), characterized in that: One end of the rust removal box (1) is provided with an inlet (21), and the other end of the rust removal box (1) is provided with an outlet (2); the lower part of the inner cavity of the rust removal box (1) is provided with a support structure; The upper part and the lower part of one end of the inner cavity of the rust removal box (1) are both rotatably provided with a first polishing roller (10); the front side and the rear side of the other end of the inner cavity of the rust removal box (1) are both rotatably provided with a second polishing roller (13); The inner cavity of the rust removal box (1) is provided with a hollow frame (15) located at the other end of the second polishing roller (13); the inner wall surface of the hollow frame (15) is communicated with a plurality of air injection nozzles (16); the inner wall surface of the hollow frame (15) is fixedly connected with a plurality of brush pieces (17); and the bottom of the rust removal box (1) is provided with a collecting groove (20).

2. A square steel surface rust removal device for steel structure processing according to claim 1, characterized in that: The support structure comprises two first conveying rollers (7), a second conveying roller (8) and a third conveying roller (9); the two first conveying rollers (7), the second conveying roller (8) and the third conveying roller (9) are arranged in sequence from one end to the other end of the rust removal box (1); the two first polishing rollers (10) are located between the two first conveying rollers (7) and the second conveying roller (8); and the two second polishing rollers (13) and the hollow frame (15) are located between the second conveying roller (8) and the third conveying roller (9).

3. The square steel surface rust removal device for steel structure processing according to claim 1, characterized in that: The bottom of the rust removal box (1) is vertically fixedly connected with a plurality of supporting legs (3); and the bottom end of each supporting leg (3) is fixedly connected with a foot pad (14).

4. The square steel surface rust removal device for steel structure processing according to claim 1, characterized in that: The front side of the rust removal box (1) is detachably provided with an inspection cover plate (5) through a plurality of screws (4); and the surface of the inspection cover plate (5) is provided with an observation window (6).

5. The square steel surface rust removal device for steel structure processing according to claim 1, characterized in that: The upper part of the inner cavity of the rust removal box (1) is provided with a second driving assembly (12) for driving the rotation of the two second polishing rollers (13); and the rear side of the rust removal box (1) is provided with a first driving assembly (11) for driving the rotation of the two first polishing rollers (10).

6. A square steel surface rust removal device for steel structure processing according to claim 1, characterized in that: The side wall of the hollow frame (15) is communicated with an air inlet pipe (18); the other end of the air inlet pipe (18) extends to the outside of the rust removal box (1) and is provided with a flange (19).

7. A square steel surface rust removal device for steel structure processing according to claim 1, characterized in that: A plurality of air injection nozzles (16) are uniformly and interval ly arranged along the inner wall surface of the hollow frame (15); and a plurality of brush pieces (17) are uniformly and interval ly arranged along the inner wall surface of the hollow frame (15).

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