Edge cleaning device and method for steel belt

Abstract

The invention relates to the technical field of steel belt machining equipment, and particularly discloses an edge cleaning device and method for a steel belt. The edge cleaning device comprises a main body structure, a plurality of limiting structures, a plurality of scraper assemblies and a plurality of polishing assemblies; the multiple limiting structures are symmetrically arranged on an electric sliding rail in the main body structure and can move relatively, the multiple scraper assemblies are detachably arranged on the limiting structures and are symmetrically located at the front end and the rear end of the electric sliding rail correspondingly, and the multiple polishing assemblies are detachably arranged on the limiting structures and are mutually symmetrical. The device is suitable for machining steel belts with different widths, and the universality and the production efficiency of the device are improved; the scraper assembly and the grinding assembly are convenient to disassemble and adjust, so that the machining effect is optimized, and machining procedures are set; by adjusting the contact inclination angle of the scraper assembly and the polishing assembly, the machining process can be controlled more accurately, the machining quality of the edge of the steel belt is improved, and the defective rate is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of steel strip processing equipment, and in particular to an edge cleaning method for an edge cleaning device of a steel strip. Background Art

[0002] Steel strip processing refers to the process of trimming the edges of steel strips during production in order to achieve specific dimensional accuracy, surface quality or meet specific application requirements; trimming can remove burrs, cracks, irregular parts or other defects on the edges of steel strips to improve the overall quality and performance of the steel strips, and relatively prevent scratches during later handling; however, most existing equipment can only apply force to the edge of the steel strip through a single tool to scrape it as the steel strip moves during winding, and the size of the steel strip used by the equipment is limited. Therefore, a steel strip edge cleaning device and edge cleaning method are designed. Summary of the invention

[0003] The object of the present invention is to provide an edge cleaning method for an edge cleaning device of a steel strip, so as to solve the problems raised in the above background technology.

[0004] In order to solve the above-mentioned problems, the present invention provides the following technical solutions: a device for cleaning the edges of steel strips, comprising a main structure, a plurality of limiting structures, a plurality of scraper assemblies and a plurality of grinding assemblies; the plurality of limiting structures are symmetrically arranged on an electric slide rail in the main structure and can move relatively, the plurality of scraper assemblies are detachably arranged on the limiting structures and are symmetrically located at the front and rear ends of the electric slide rail, and the plurality of grinding assemblies are detachably arranged on the limiting structures and are symmetrical to each other.

[0005] Preferably, the main structure includes a base, two pairs of roller frames, two pairs of lifting blocks, two pairs of springs, two pairs of guide rollers and a plurality of electric slide rails; the base is rectangular, the two pairs of roller frames are concave, the two pairs of roller frames are respectively fixedly arranged on the upper wall of the base and close to the four corners, the two pairs of roller frames are respectively embedded with a first bearing in the middle of the top end, the two pairs of lifting blocks are respectively movably embedded in the bottom end of the roller frames, the two pairs of lifting blocks are respectively embedded with a second bearing in the middle, one end of the two pairs of springs are respectively fixedly arranged in the middle of the bottom end of the roller frames, and the other end is respectively fixedly connected to the middle of the lower wall of the lifting block, the two pairs of guide rollers are respectively movably arranged between the first bearing and the second bearing, the plurality of electric slide rails are respectively fixedly arranged in the middle of the upper wall of the base, and a pair of relatively sliding movable seats are respectively provided on the electric slide rails.

[0006] Preferably, the limiting structure includes a limiting frame, a pair of spiral rods, a pair of first motors, a pair of sliding rods, a lifting seat and a pair of mounting components; the limiting frame is a concave structure, and a lifting groove is opened in the middle of both ends; the limiting frame is fixedly arranged on the moving seat on the electric slide rail; the length of the lifting groove at one end of the limiting frame is smaller than the length of the lifting groove at the other end; moving grooves are arranged on the left and right sides of the lifting groove at one end of the limiting frame; the two ends of the pair of spiral rods are respectively movably embedded in the middle of the lifting grooves at both ends of the limiting frame; the pair of the first motors are respectively fixedly arranged on the two ends of the limiting frame; and the first The motor driving ends are movably inserted in the limit frame and are rotationally connected with the spiral rod. A pair of sliding rods are symmetrically arranged in the lifting groove at the other end of the limit frame and are located on the left and right sides of the spiral rod. The lifting seat is concave. One end of the lifting seat is movably inserted in the lifting groove at the other end of the limit frame and is rotationally connected and fitted with the spiral rod and the sliding rod. The two ends of the lifting seat are movably inserted into the moving groove at one end of the limit frame. A pair of mounting components are symmetrically arranged on one end of the limit frame and between the two ends of the lifting seat, and a transfer plate is detachably arranged between one of the mounting components and the lifting seat.

[0007] Preferably, the mounting assembly includes a movable frame, a turning table and a hydraulic cylinder; the movable frame is T-shaped and has three ends, one end of the movable frame is movably inserted in a lifting groove at one end of the limiting frame and is screwed to a spiral rod, one end of the turning table is movably connected to the other end of the movable frame, and the turning table turns up and down, a T-shaped slot connected to the lower wall is provided in the middle of the other end of the turning table, one end of the hydraulic cylinder is movably connected to the other end of the movable frame, and the telescopic end of the hydraulic cylinder is tilted downward and movably connected to the upper wall of the turning table near the other end.

[0008] Preferably, the scraper assembly includes a blade holder, a scraper, a mounting bolt and a mounting nut; the blade holder can be detachably inserted between the turning tables, one end of the scraper can be detachably inserted into one end of the blade holder through the mounting bolt and the mounting nut, the scraper has different shapes and heights, and the mounting bolt movably passes through the blade holder.

[0009] Preferably, the grinding assembly includes an insertion rod, a chassis, a second motor, a pressure roller and a sand barrel; the insertion rod is T-shaped, one end of the insertion rod can be detachably inserted into a slot of the turning table, the chassis is fixedly arranged on the other end of the insertion rod, the second motor is fixedly arranged in the chassis and the second motor driving end is movable through the chassis, the pressure roller is fixedly mounted on the second motor driving end, and the sand barrel is detachably mounted on the pressure roller.

[0010] Preferably, the arrangement order of the grinding components and the scraper components on the plurality of limiting structures is set according to requirements.

[0011] A method for edge cleaning of a steel strip comprises the following steps: Step 1: Clamp and limit the steel belt being transported through the main structure to enable the steel to pass through the equipment; Step 2: The limiting structure is driven to move relatively by a plurality of electric slide rails, so that the spacing of the scraper assembly or the grinding assembly on the limiting structure can be adjusted according to the width of the steel; Step 3: Use the scraper assembly to apply force to the front and rear edges of the steel belt passing through the equipment to remove burrs; Step 4: The grinding assembly is used to clamp and limit the steel while it passes through the equipment, and to exert force on the front and rear edges of the steel to facilitate the scraper to apply force; at the same time, the grinding assembly also provides power to assist the movement of the steel belt and can cover the pressure roller with a sand cylinder to grind, trim or chamfer the edges of the steel belt to remove burrs; Step 5. Depending on the different use processes, the limiting structure can be used to achieve the processing of steel strips with fixed widths and facilitate the change of process sequence.

[0012] The invention provides an edge cleaning method for a steel strip edge cleaning device, which has the following beneficial effects: The present invention limits the steel belt being conveyed by the main structure, so that the steel belt can maintain a horizontal state when passing through the middle of the equipment; the present invention can drive the scraper assembly or the grinding assembly to move relative to each other by setting a corresponding number of limiting structures and electric slide rails, so as to realize the processing of steel belts of different widths; the present invention facilitates the disassembly of the scraper assembly and the grinding assembly by the limiting structure, sets the overall assembly line processing procedure, and adjusts the contact inclination angle of the scraper assembly and the grinding assembly relative to the edge of the steel belt; in summary, the following effects can be achieved: 1. Adapt to different widths: Through the cooperation of the limit structure and the electric slide rail, the position of the scraper assembly or the grinding assembly can be adjusted to adapt to the processing of steel strips of different widths. This flexibility enables the equipment to process steel strips of various specifications, improving the versatility and production efficiency of the equipment.

[0013] 2. Easy to disassemble and adjust: The design of the limiting structure makes the scraper assembly and the grinding assembly easy to disassemble and adjust, which not only simplifies the maintenance and replacement process of the equipment, but also allows the contact inclination angle of the assembly relative to the edge of the steel belt to be adjusted according to processing requirements, thereby optimizing the processing effect.

[0014] 3. Assembly line processing procedure: By setting the overall assembly line processing procedure, the present invention can achieve continuous and efficient steel strip processing; this integrated processing method helps to reduce downtime in production and improve production efficiency and capacity.

[0015] 4. Improve processing accuracy: By adjusting the contact inclination angle of the scraper assembly and the grinding assembly, the processing process can be controlled more accurately, the processing quality of the steel strip edge can be improved, and the defective rate can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the assembly structure of the present invention; Figure 2 It is a schematic diagram of the local structure of the present invention; Figure 3 It is a schematic diagram of the split structure of the main structure of the present invention; Figure 4 It is a schematic diagram of the enlarged structure of the limiting structure of the present invention; Figure 5 It is an enlarged structural schematic diagram of the scraper assembly of the present invention; Figure 6 It is an enlarged structural schematic diagram of the grinding assembly of the present invention; Figure 7 For the present invention Figure 4 A local enlarged view of point A in FIG. Figure 8 For the present invention Figure 4 A local enlarged view of point B in FIG. Fig. 9 For the present invention Figure 1 A local enlarged view of point C in FIG. Fig.10 For the present invention Figure 1 A partial enlarged view of point D in the figure.

[0017] In the figure: 1. main structure; 11. base; 12. roller frame; 13. lifting block; 14. spring; 15. guide roller; 16. electric slide rail; 2. limit structure; 21. limit frame; 22. screw rod; 23. first motor; 24. slide rod; 25. lifting seat; 26. installation assembly; 261. moving frame; 262. turning table; 263. hydraulic cylinder; 3. scraper assembly; 31. knife seat; 32. scraper; 33. mounting bolt; 34. mounting nut; 4. grinding assembly; 41. plug rod; 42. chassis; 43. second motor; 44. pressure roller; 45. sand cylinder; 5. adapter plate; 6. slot. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-Figure 10The present invention provides a technical solution: a steel strip edge cleaning device, comprising a main structure 1, a plurality of limiting structures 2, a plurality of scraper assemblies 3 and a plurality of grinding assemblies 4; the plurality of limiting structures 2 are symmetrically arranged on an electric slide rail 16 in the main structure 1 and can move relatively, the plurality of scraper assemblies 3 are detachably arranged on the limiting structures 2 and are symmetrically located at the front and rear ends of the electric slide rail 16 in the main structure 1, and the plurality of grinding assemblies 4 are detachably arranged on the limiting structures 2 and are symmetrical to each other.

[0020] As a further solution of the present invention, the main structure 1 includes a base 11, two pairs of roller frames 12, two pairs of lifting blocks 13, two pairs of springs 14, two pairs of guide rollers 15 and a plurality of electric slide rails 16; the base 11 is rectangular, the two pairs of roller frames 12 are concave, the two pairs of roller frames 12 are respectively fixedly arranged on the upper wall of the base 11 and close to the four corners, the top middle parts of the two pairs of roller frames 12 are both embedded with a first bearing, the two pairs of lifting blocks 13 are respectively movably embedded in the bottom ends of the roller frames 12, the middle parts of the two pairs of lifting blocks 13 are both embedded with a second bearing, one end of the two pairs of springs 14 are respectively fixedly arranged at The roller frame 12 is in the middle of the bottom end, and the other end is fixedly connected to the middle of the lower wall of the lifting block 13. Two pairs of guide rollers 15 are movably arranged between the first bearing and the second bearing. Several electric slide rails 16 are fixedly arranged in the middle of the upper wall of the base 11, and a pair of relatively sliding movable seats are arranged on the electric slide rails 16. Multiple electric slide rails 16 are arranged on the base 11 for adjustment according to the requirements of the processing process. The steel belt is passed through the guide rollers 15 for clamping and limiting, and the lifting block 13 drives one of the guide rollers 15 to descend to use steel belts of different thicknesses.

[0021] As a further solution of the present invention, the limiting structure 2 includes a limiting frame 21, a pair of spiral rods 22, a pair of first motors 23, a pair of slide rods 24, a lifting seat 25 and a pair of mounting components 26; the limiting frame 21 is a concave structure, and a lifting groove is opened in the middle of both ends. The limiting frame 21 is fixedly arranged on the moving seat on the electric slide rail 16, and the length of the lifting groove at one end of the limiting frame 21 is less than the length of the lifting groove at the other end. The lifting groove at one end of the limiting frame 21 is provided with moving grooves on both sides. The two ends of the pair of spiral rods 22 are respectively movably embedded in the middle of the lifting grooves at both ends of the limiting frame 21, and the pair of first motors 23 are respectively fixedly arranged on the two ends of the limiting frame 21, and the driving ends of the first motors 23 are respectively movably inserted in the limiting frame 21 and connected with the spiral rods. 22 are rotated together, a pair of slide bars 24 are symmetrically arranged in the lifting groove at the other end of the limit frame 21, and are located on the left and right sides of the spiral rod 22, the lifting seat 25 is concave, one end of the lifting seat 25 is movably inserted in the lifting groove at the other end of the limit frame 21, and is respectively rotated and fitted with the spiral rod 22 and the slide bar 24, and the two ends of the lifting seat 25 are respectively movably passed through the moving groove at one end of the limit frame 21, a pair of mounting components 26 are symmetrically arranged on one end of the limit frame 21 and between the two ends of the lifting seat 25, and an adapter plate 5 is detachably arranged between one of the mounting components 26 and the lifting seat 25; the mounting component 26 is carried by the limit frame 21, and the spiral rod 22 is driven to rotate by the first motor 23 to drive the mounting component 26 to move up and down.

[0022] As a further solution of the present invention, the installation component 26 includes a moving frame 261, a turning table 262 and a hydraulic cylinder 263; the moving frame 261 is T-shaped and has three ends, one end of the moving frame 261 is movably inserted in the lifting groove of one end of the limiting frame 21 and is screwed to the spiral rod 22, one end of the turning table 262 is movably connected to the other end of the moving frame 261, and the turning table 262 is turned up and down, and a T-shaped slot 6 connected to the lower wall is opened in the middle of the other end of the turning table 262, one end of the hydraulic cylinder 263 is movably connected to the other end of the moving frame 261, and the telescopic end of the hydraulic cylinder 263 is tilted downward and movably connected to the upper wall of the turning table 262 near the other end; the telescopic end of the hydraulic cylinder 263 drives the turning table 262 to turn on the moving frame 261 to adjust the inclination angle of the turning table 262 relative to the steel belt.

[0023] As a further solution of the present invention, the scraper assembly 3 includes a knife seat 31, a scraper 32, a mounting bolt 33 and a mounting nut 34; the knife seat 31 is detachably inserted between the turning tables 262, and one end of the scraper 32 is detachably inserted into one end of the knife seat 31 by means of the mounting bolt 33 and the mounting nut 34, and the mounting bolt 33 is movable through the knife seat 31; the knife seat 31 is inserted into the turning table 262 for installation, and the scraper 32 is fixed to the knife seat 31 by the mounting bolt 33 and the mounting nut 34 for easy replacement. Different scrapers 32 correspond to steel strips of different thicknesses and different burr removal requirements, such as a straight or concave shape, which are respectively used for the side wall of the steel strip or the side wall plus the edge of the lower wall.

[0024] As a further solution of the present invention, the grinding assembly 4 includes an insertion rod 41, a chassis 42, a second motor 43, a pressure roller 44 and a sand barrel 45; the insertion rod 41 is T-shaped, one end of the insertion rod 41 can be detachably inserted into the slot 6 of the turning table 262, the chassis 42 is fixedly arranged on the other end of the insertion rod 41, the second motor 43 is fixedly arranged in the chassis 42 and the driving end of the second motor 43 movably passes through the chassis 42, the pressure roller 44 is fixedly sleeved on the driving end of the second motor 43, and the sand barrel 45 is detachably sleeved on the pressure roller 44; the chassis 42 is installed on the turning table 262 by the insertion rod 41, and the pressure roller 44 is driven to rotate by the second motor 43 to apply force to the steel belt conveying and chamfer or break burrs on the edge of the pressure roller 44, and the sand barrel 45 is installed to rotate in the opposite direction to the conveying direction of the steel belt to grind and remove burrs or trim and chamfer.

[0025] As a further solution of the present invention, the arrangement order of the grinding components 4 and the scraper components 3 on the plurality of limiting structures 2 is set according to demand to change the order of the processing steps.

[0026] Working principle: The base 11 in the main structure 1 is used to stably support the steel strip in production, and the steel strip passes between the two guide rollers 15 at the left end of the base 11, passes between the two guide rollers 15 at the right end of the base 11 for guidance, and is then connected to the corresponding winding device to drive the steel strip to move; since the lifting block 13 can be lifted and moved on the roller frame 12, and the lifting block 13 is supported upward by the spring 14, the spacing between the two guide rollers 15 can be adjusted to use steel strips of different thicknesses; The number of electric slide rails 16 to be installed and the number of corresponding scraper 32 assemblies 3 and grinding assemblies 4 are set according to corresponding processing requirements, and the arrangement order of the scraper assemblies 3 and the grinding assemblies 4 from the left end to the right end of the base 11 is set according to the processing procedures, for example: the grinding assembly 4 is not equipped with the sand barrel 45, the scraper assembly 3, the grinding assembly 4 is equipped with the sand barrel 45, and the grinding assembly 4 is not equipped with the sand barrel 45; the processing order is to hold the steel belt by the pressure roller 44 in the grinding assembly 4 to limit and convey it, and then the scraper 32 in the scraper assembly 3 is used to scrape the burrs off the side wall of the steel belt, and the corresponding scraper 32 is replaced according to the thickness of the steel belt and the use requirements, and then the sand barrel 45 is installed with the help of the pressure roller 44 in the grinding assembly 4, at this time, the pressure roller 44 and the sand barrel 45 are adjusted to a relative inclination angle through the installation assembly 26, so that the sand barrel 45 is tilted to contact the upper and lower edges of the side wall of the steel belt to grind the burrs and chamfer, and finally the pressure roller 44 in the grinding assembly 4 is used to clamp and guide it again; During the processing, the electric slide rail 16 drives the limiting structure 2 to move relatively and adjust according to the width of the steel strip; the first motor 23 drives the screw rods 22 at both ends of the limiting frame 21 to rotate, respectively, and drives the lifting seat 25 to lift and lower through the slide rod 24 and drives the installation component 26 to lift and move; the moving frame 261 in the installation component 26 is lifted and lowered by rotating with the screw rod 22, and the moving frame 261 is lifted and lowered by docking with the lifting seat 25 through the adapter plate 5; The two motors are used to drive the two groups of mounting components 26 separately to adjust the spacing to achieve processing of steel strips of different thicknesses, and to adjust the relative spacing of the turning tables 262; the two ends of the knife holder 31 can be clamped between the slots 6 of the opposite turning tables 262 for support installation, or the knife holder 31 can be inserted into only one turning table 262 for installation; The chassis 42 in the grinding assembly 4 is inserted into the slot 6 for fitting installation through the insertion rod 41, so that the pressure rollers 44 are respectively located on the upper and lower sides of the steel belt for clamping, or the turning table 262 is adjusted by the telescopic drive of the hydraulic cylinder 263 to flip the moving angle on the mobile frame 261, so that the pressure roller 44 is in oblique contact with the steel belt, and the sand cylinder 45 is installed on the inclined pressure roller 44, and the second motor 43 can be used to drive the rotation to grind the edge; if the pressure roller 44 is horizontally clamped with the steel belt, it is used for conveying and rolling to cut off the burrs.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for cleaning the edge of a steel strip, characterized in that: The invention comprises a main structure (1), a plurality of limiting structures (2), a plurality of scraper assemblies (3) and a plurality of grinding assemblies (4); the plurality of limiting structures (2) are symmetrically arranged on an electric slide rail (16) in the main structure (1) and are capable of relative movement; the plurality of scraper assemblies (3) are detachably arranged on the limiting structures (2) and are symmetrically located at the front and rear ends of the electric slide rail (16) in the main structure (1); and the plurality of grinding assemblies (4) are detachably arranged on the limiting structures (2) and are symmetrical to each other.

2. The edge cleaning device for steel strip according to claim 1, characterized in that: The main structure (1) comprises a base (11), two pairs of roller frames (12), two pairs of lifting blocks (13), two pairs of springs (14), two pairs of guide rollers (15) and a plurality of electric slide rails (16); The base (11) is rectangular, and the two pairs of roller frames (12) are concave. The two pairs of roller frames (12) are respectively fixedly arranged on the upper wall of the base (11) and close to the four corners. The first bearing is embedded in the middle of the top of the two pairs of roller frames (12). The two pairs of lifting blocks (13) are respectively movably embedded in the bottom of the roller frames (12). The second bearing is embedded in the middle of the two pairs of lifting blocks (13). One end of the two pairs of springs (14) is respectively fixedly arranged in the middle of the bottom of the roller frames (12), and the other end is respectively fixedly connected to the middle of the lower wall of the lifting block (13). The two pairs of guide rollers (15) are respectively movably arranged between the first bearing and the second bearing. The plurality of electric slide rails (16) are respectively fixedly arranged in the middle of the upper wall of the base (11), and a pair of movable seats that slide relative to each other are provided on the electric slide rails (16).

3. The edge cleaning device for steel strip according to claim 2, characterized in that: The limiting structure (2) comprises a limiting frame (21), a pair of screw rods (22), a pair of first motors (23), a pair of sliding rods (24), a lifting seat (25) and a pair of mounting components (26); The limit frame (21) is a concave structure, and a lifting groove is provided in the middle of both ends. The limit frame (21) is fixedly arranged on a movable seat on the electric slide rail (16). The length of the lifting groove at one end of the limit frame (21) is smaller than the length of the lifting groove at the other end. The lifting groove at one end of the limit frame (21) is provided with movable grooves on both sides. The two ends of a pair of spiral rods (22) are respectively movably embedded in the middle of the lifting grooves at both ends of the limit frame (21). The pair of first motors (23) are respectively fixedly arranged on the two ends of the limit frame (21), and the driving ends of the first motors (23) are respectively movably inserted in the limit frame (21) and are rotationally connected with the spiral rods (22). The rods (24) are symmetrically arranged in the lifting grooves at the other end of the limiting frame (21) and are located on the left and right sides of the spiral rod (22). The lifting seat (25) is concave. One end of the lifting seat (25) is movably inserted into the lifting groove at the other end of the limiting frame (21) and is respectively screwed and sleeved with the spiral rod (22) and the sliding rod (24). The two ends of the lifting seat (25) are movably inserted into the movable grooves at one end of the limiting frame (21). A pair of the mounting components (26) are symmetrically arranged on one end of the limiting frame (21) and between the two ends of the lifting seat (25), and a transfer plate (5) is detachably arranged between one of the mounting components (26) and the lifting seat (25).

4. The edge cleaning device for steel strip according to claim 3, characterized in that: The installation assembly (26) comprises a moving frame (261), a turning table (262) and a hydraulic cylinder (263); The movable frame (261) is T-shaped and has three ends. One end of the movable frame (261) is movably inserted into a lifting slot at one end of the limiting frame (21) and is screwed to the screw rod (22). One end of the flipping platform (262) is movably connected to the other end of the movable frame (261), and the flipping platform (262) flips up and down. A T-shaped slot (6) communicating with the lower wall is provided in the middle of the other end of the flipping platform (262). One end of the hydraulic cylinder (263) is movably connected to the other end of the movable frame (261), and the telescopic end of the hydraulic cylinder (263) is tilted downward and movably connected to the flipping platform (262) near the upper wall of the other end.

5. The edge cleaning device for steel strip according to claim 4, characterized in that: The scraper assembly (3) comprises a blade holder (31), a scraper (32), a mounting bolt (33) and a mounting nut (34); The knife seat (31) is detachably inserted between the turning tables (262); one end of the scraper (32) is detachably inserted into one end of the knife seat (31) via the mounting bolt (33) and the mounting nut (34); the scraper (32) is a knife body with different shapes and heights; and the mounting bolt (33) movably penetrates the knife seat (31).

6. The edge cleaning device for steel strip according to claim 5, characterized in that: The grinding assembly (4) comprises an insert rod (41), a chassis (42), a second motor (43), a pressure roller (44) and a sand cylinder (45); The insertion rod (41) is T-shaped, one end of the insertion rod (41) is detachably inserted into a slot (6) of the turning table (262), the chassis (42) is fixedly arranged on the other end of the insertion rod (41), the second motor (43) is fixedly arranged in the chassis (42) and the driving end of the second motor (43) movably passes through the chassis (42), the pressure roller (44) is fixedly sleeved on the driving end of the second motor (43), and the sand cylinder (45) is detachably sleeved on the pressure roller (44).

7. The edge cleaning device for steel strip according to claim 6, characterized in that: The arrangement order of the grinding components (4) and the scraper components (3) on the plurality of limiting structures (2) is set according to requirements.

8. A method for edge cleaning of a steel strip, which is applied to an edge cleaning device for a steel strip as claimed in claim 7, characterized in that: The following steps are involved: Step 1: clamping and limiting the steel belt being transported by the main structure (1) to enable the steel to pass through the equipment; Step 2: The limiting structure (2) is driven to move relatively by a plurality of electric slide rails (16), so that the spacing between the scraper assembly (3) or the grinding assembly (4) on the limiting structure (2) can be adjusted according to the width of the steel; Step 3: Using the scraper assembly (3), force is applied to the front and rear edges of the steel belt passing through the device to remove burrs; Step 4: The grinding assembly (4) is used to clamp and limit the steel during the process of passing through the equipment, and to exert force on the front and rear edges of the steel, so as to facilitate the scraper (32) to apply force; at the same time, the grinding assembly (4) also provides power to assist the movement of the steel belt and can cover the pressure roller (44) with a sand cylinder (45) to grind, trim or chamfer the edge of the steel belt to remove burrs; Step 5: Depending on the different use processes, the limiting structure (2) can be used to achieve the processing of steel strips with fixed widths and facilitate the change of the process sequence.

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