Steel grating surface burr treatment device

Abstract

The invention discloses a steel grating surface burr treatment device, and relates to the technical field of steel grating surface treatment.The steel grating surface burr treatment device comprises a treatment placement seat, a lower clamping assembly and an upper clamping assembly are arranged on the treatment placement seat, the lower clamping assembly comprises a fixing plate mechanism, a shifting and rotating belt mechanism and a movable deflection pressing plate mechanism, the fixing plate mechanism is arranged on the treatment placement seat, and the shifting and rotating belt mechanism is arranged on the treatment placement seat; the shifting belt mechanism is arranged on the fixing plate mechanism, the multiple movable deflection pressing plate mechanisms are arranged on the fixing plate mechanism, the upper clamping assembly and the lower clamping assembly are the same in structure, a position adjusting mechanism is arranged on the processing placement base, and two middle clamping frame mechanisms and a rotary cleaning mechanism are arranged on the position adjusting mechanism. By arranging the lower clamping assembly and the upper clamping assembly, steel grating plates of different sizes and thicknesses can be clamped and fixed, meanwhile, the steel grating plates can be driven to continuously move, and the efficiency of polishing burrs on the surfaces of the steel grating plates is improved.

Description

Technical Field

[0001] The invention relates to the technical field of steel grating surface treatment, in particular to a device for treating burrs on the surface of a steel grating. Background Art

[0002] Steel grating is a grid-like plate made of load-bearing flat steel (longitudinal) and cross bars (transverse) fixed by welding or press-locking technology.

[0003] In the prior art, a U-shaped frame and a clamping plate are provided, and a bidirectional screw is driven to rotate by a first motor, and the bidirectional screw drives the L-shaped movable block and the movable plate to move horizontally relative to each other, and the movable plate drives the support shaft and the clamping plate to move horizontally relative to each other, and the aluminum plate is clamped by the clamping plate, and the aluminum plate is driven to move to the grinding position by a lifting mechanism, and the burrs of the aluminum plate are removed by the grinding assembly, and the gear ring and the support shaft are driven to rotate by a power mechanism, and the clamping plate and the aluminum plate are rotated, so that it is convenient to turn over the aluminum plate, and multiple sides of the aluminum plate can be ground. However, in the prior art, the efficiency of flipping and grinding the workpiece is low, and it is not convenient to continuously and quickly grind the burrs on the surface of the workpiece, so the prior art has a large room for improvement. Summary of the invention

[0004] The present invention provides a device for processing burrs on the surface of a steel grating, which solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: A device for processing burrs on the surface of a steel grating comprises a processing and placement seat, on which a lower clamping assembly and an upper clamping assembly are provided, the lower clamping assembly comprises a fixed plate mechanism, a rotating belt mechanism and a movable deflection pressure plate mechanism, the fixed plate mechanism is arranged on the processing and placement seat, the rotating belt mechanism is arranged on the fixed plate mechanism, a plurality of movable deflection pressure plate mechanisms are provided, the movable deflection pressure plate mechanism is arranged on the fixed plate mechanism, the upper clamping assembly and the lower clamping assembly have the same structure, the processing and placement seat is provided with a position adjustment mechanism, the position adjustment mechanism is provided with two middle clamping frame mechanisms and a rotating cleaning mechanism; the movable deflection pressure plate mechanism is used to clamp and position the steel grating, the rotating belt mechanism is used to drive the movable deflection pressure plate mechanism to move, the position adjustment mechanism is used to adjust the position of the middle clamping frame mechanism and the rotating cleaning mechanism, and the rotating cleaning mechanism is used to drive and grind the steel grating.

[0006] As a preferred technical solution of the present invention, the fixed plate mechanism includes a support frame fixed on the processing placement seat, the support frame is fixedly connected to the fixed plate, the fixed plate is provided with a surrounding track groove, the upper part of the fixed plate is provided with a placement groove, and the placement groove and the surrounding track groove are connected.

[0007] As a preferred technical solution of the present invention, the turning belt mechanism includes a motor bracket fixed on the fixing plate. The motor bracket is fixedly connected to a turning motor. The output shaft of the turning motor is fixedly connected to a first synchronous pulley. The first synchronous pulley is rotatably connected to the fixing plate. The first synchronous pulley is drivingly connected to a synchronous belt. The synchronous belt is drivingly connected to a second synchronous pulley. A plurality of turning plates are provided on the synchronous belt, and a clamping shaft groove is provided on the turning plate.

[0008] As a preferred technical solution of the present invention, the moving deflection pressing plate mechanism includes a moving frame. Two caster shafts are rotatably connected to the moving frame. The two caster shafts are symmetrically arranged on the moving frame. Caster wheels are rotatably connected to the caster shafts. A contact wheel is provided on the moving frame. The moving frame is fixedly connected to a pressing frame. An elastic member is fixedly connected inside the pressing frame. The end of the elastic member is fixedly connected to a pressing block. The pressing block is slidably connected to the pressing frame. The pressing block is fixedly connected to a pressing rod. The pressing rod passes through the pressing frame. The pressing rod is slidably connected to the pressing frame. The end of the pressing rod away from the pressing block is rotatably connected to a circular plate.

[0009] As a preferred technical solution of the present invention, the position adjustment mechanism includes adjustment plates fixed on the processing placement seat. There are two adjustment plates. An adjustment motor is provided on one of the adjustment plates. The output shaft of the adjustment motor is fixedly connected to an adjustment threaded rod. The adjustment threaded rod is rotatably connected to the adjustment plate. The adjustment threaded rod is composed of two threaded rods with opposite helix directions. The adjustment threaded rod is threadedly connected to two position adjustment blocks. The position adjustment blocks are slidably connected to the processing placement seat. The two position adjustment blocks are symmetrically arranged on the adjustment threaded rod.

[0010] As a preferred technical solution of the present invention, the middle clamping frame mechanism includes a connecting rod fixed on the position adjustment block. The connecting rod is fixedly connected to a V-shaped limiting frame.

[0011] As a preferred technical solution of the present invention, the rotary cleaning mechanism includes a rotary motor fixed on the position adjustment block. The output shaft of the rotary motor is fixedly connected to a rotary shaft. The rotary shaft is fixedly connected to a deflection positioning mechanism. The deflection positioning mechanism is connected to a fixed shaft. The fixed shaft is fixedly connected to a lower cleaning disc. The lower cleaning disc is fixedly connected to a middle grinding shaft. The middle grinding shaft is fixedly connected to an upper cleaning disc. Grinding brushes are provided on the surfaces of the lower cleaning disc, the middle grinding shaft and the upper cleaning disc.

[0012] As a preferred technical solution of the present invention, the deflection positioning mechanism includes a deflection seat fixed on the position adjustment block. The deflection seat is fixedly connected to an inner shaft. A torsion spring is fixedly connected to the outside of the inner shaft. The end of the torsion spring away from the inner shaft is fixedly connected to a deflection sleeve. The deflection sleeve is rotatably connected to the deflection seat. The deflection sleeve is fixedly connected to the fixed shaft.

[0013] The present invention has the following beneficial effects: By setting up the lower clamping assembly and the upper clamping assembly, the steel gratings of different sizes and thicknesses can be clamped and fixed, and at the same time, the steel gratings can be driven to move continuously. The steel gratings can be clamped and limited by the cooperation of the moving deflection pressure plate mechanism. The moving deflection pressure plate mechanism can be driven to move on the fixed plate mechanism by the rotating belt mechanism. The distance between the two middle clamping frame mechanisms can be adjusted by the position adjustment mechanism to accommodate the placement of steel gratings of different widths for feeding. At the same time, the distance between the two rotating cleaning mechanisms can be adjusted to grind the surface burrs of the steel gratings. At the same time, the steel gratings can be driven to rotate and displace to achieve covering of the steel gratings, thereby improving the efficiency of grinding the surface burrs of the steel gratings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 This is a structural schematic diagram of a device for treating burrs on the surface of a steel grating from the first perspective.

[0016] Figure 2 It is a structural schematic diagram of a device for treating burrs on the surface of a steel grating from a second perspective.

[0017] Figure 3 It is a structural schematic diagram of a device for treating burrs on the surface of a steel grating from a third perspective.

[0018] Figure 4 for Figure 3 Magnified view of area A.

[0019] Figure 5 It is a cross-sectional view of a deflection positioning mechanism in a device for processing burrs on the surface of a steel grating.

[0020] In the figure: 1. Processing and placement seat; 2. Lower clamping assembly; 3. Upper clamping assembly; 4. Fixed plate mechanism; 401. Support frame; 402. Fixed plate; 403. Surrounding track groove; 404. Placing groove; 5. Rotating belt mechanism; 501. Motor bracket; 502. Rotating motor; 503. First synchronous pulley; 504. Synchronous belt; 505. Second synchronous pulley; 506. Pushing plate; 6. Moving and deflecting pressure plate mechanism; 601. Moving frame; 602. Camming shaft; 603. Camming wheel; 604. Contact wheel; 605. Pressing frame; 606. Elastic member; 607. Pressing block; 608. Pressing rod; 609. Circular plate; 7. Position adjusting mechanism; 701. Adjusting plate; 702. Adjusting motor; 703. Adjusting threaded rod; 704. Position adjusting block; 8. Middle clamping frame mechanism; 801. Connecting rod; 802. V-shaped limiting frame; 9. Rotating cleaning mechanism; 901. Rotating motor; 902. Rotating shaft; 903. Deflection positioning mechanism; 9031. Deflection seat; 9032. Inner shaft; 9033. Torsion spring; 9034. Deflection sleeve; 904. Fixed shaft; 905. Lower cleaning disc; 906. Middle grinding shaft; 907. Upper cleaning disc. Specific embodiments

[0021] The following is a description of the preferred embodiments of the present invention with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only for the purpose of illustrating and explaining the present invention, and are not intended to limit the present invention.

[0022] Example 1, please refer to Figures 1 - 5 , a burr treatment device for the surface of steel grating, including a processing and placement seat 1. A lower clamping assembly 2 and an upper clamping assembly 3 are provided on the processing and placement seat 1. The lower clamping assembly 2 includes a fixed plate mechanism 4, a rotating belt mechanism 5 and a moving and deflecting pressure plate mechanism 6. The fixed plate mechanism 4 is provided on the processing and placement seat 1. The rotating belt mechanism 5 is provided on the fixed plate mechanism 4. A plurality of moving and deflecting pressure plate mechanisms 6 are provided, and the moving and deflecting pressure plate mechanisms 6 are provided on the fixed plate mechanism 4. The structures of the upper clamping assembly 3 and the lower clamping assembly 2 are the same. A position adjusting mechanism 7 is provided on the processing and placement seat 1. Two middle clamping frame mechanisms 8 and a rotating cleaning mechanism 9 are provided on the position adjusting mechanism 7; the moving and deflecting pressure plate mechanism 6 is used to clamp and position the steel grating, the rotating belt mechanism 5 is used to move the moving and deflecting pressure plate mechanism 6, the position adjusting mechanism 7 is used to adjust the positions of the middle clamping frame mechanism 8 and the rotating cleaning mechanism 9, and the rotating cleaning mechanism 9 is used to perform a stirring and grinding treatment on the steel grating.

[0023] The fixed plate mechanism 4 comprises a support frame 401 fixed on the processing and placing seat 1, the support frame 401 is fixedly connected to the fixed plate 402, the fixed plate 402 is provided with a surrounding track groove 403, the upper part of the fixed plate 402 is provided with a placement groove 404, and the placement groove 404 is connected with the surrounding track groove 403. The dialing belt mechanism 5 comprises a motor bracket 501 fixed on the fixed plate 402, the motor bracket 501 is fixedly connected to the dialing motor 502, the output shaft of the dialing motor 502 is fixedly connected to the first synchronous wheel 503, the first synchronous wheel 503 is rotatably connected to the fixed plate 402, the first synchronous wheel 503 is transmission-connected to the synchronous belt 504, the synchronous belt 504 is transmission-connected to the second synchronous wheel 505, the synchronous belt 504 is provided with a plurality of dial plates 506, and the dial plates 506 are provided with a clamping shaft groove. The movable deflection pressure plate mechanism 6 includes a movable frame 601, which is rotatably connected to two card wheel shafts 602, and the two card wheel shafts 602 are symmetrically arranged on the movable frame 601. The card wheel shaft 602 is rotatably connected to the card wheel 603. The movable frame 601 is provided with a contact wheel 604, and the movable frame 601 is fixedly connected to a clamping frame 605. An elastic member 606 is fixedly connected inside the clamping frame 605, and the end of the elastic member 606 is fixedly connected to a clamping block 607. The clamping block 607 is slidably connected to the clamping frame 605. The clamping block 607 is fixedly connected to a pressure rod 608, and the pressure rod 608 passes through the clamping frame 605. The pressure rod 608 is slidably connected to the clamping frame 605, and the end of the pressure rod 608 away from the clamping block 607 is rotatably connected to a circular plate 609.

[0024] Specifically, the clamping wheel 603 can be placed in the surrounding track groove 403 through the placement groove 404, and the clamping wheel shaft 602 is clamped in the clamping shaft groove. At this time, the dial motor 502 is turned on, and the rotation of the output shaft of the dial motor 502 will drive the first synchronous wheel 503 to rotate. The rotation of the first synchronous wheel 503 will drive the synchronous belt 504 to rotate, and then drive the dial plate 506 to rotate, so as to drive the clamping wheel 603 to move along the surrounding track groove 403, and then drive the circular plate 609 to rotate. In this way, the circular plates 609 on the lower clamping component 2 and the upper clamping component 3 rotate synchronously, and under the pressure of the elastic member 606, the steel grating can be clamped and fixed by the circular plate 609, so that the steel grating is placed between the two circular plates 609.

[0025] The position adjustment mechanism 7 includes an adjustment plate 701 fixed on the processing placement seat 1, and two adjustment plates 701 are provided. One of the adjustment plates 701 is provided with an adjustment motor 702. The output shaft of the adjustment motor 702 is fixedly connected to the adjustment threaded rod 703. The adjustment threaded rod 703 and the adjustment plate 701 are rotatably connected. The adjustment threaded rod 703 consists of two threaded rods with opposite rotation directions. The adjustment threaded rod 703 is threadedly connected to two position adjustment blocks 704. The position adjustment blocks 704 are slidably connected to the processing placement seat 1. The two position adjustment blocks 704 are symmetrically arranged on the adjustment threaded rod 703.

[0026] Specifically, the adjustment motor 702 is turned on, and the rotation of the output shaft of the adjustment motor 702 drives the adjustment threaded rod 703 to rotate, thereby driving the two position adjustment blocks 704 to move closer or farther away.

[0027] The rotating cleaning mechanism 9 includes a rotating motor 901 fixed on the position adjustment block 704, the output shaft of the rotating motor 901 is fixedly connected to the rotating shaft 902, the rotating shaft 902 is fixedly connected to the deflection positioning mechanism 903, the deflection positioning mechanism 903 is connected to the fixed shaft 904, the fixed shaft 904 is fixedly connected to the lower cleaning plate 905, the lower cleaning plate 905 is fixedly connected to the middle grinding shaft 906, the middle grinding shaft 906 is fixedly connected to the upper cleaning plate 907, and the surfaces of the lower cleaning plate 905, the middle grinding shaft 906 and the upper cleaning plate 907 are all provided with grinding brushes. The deflection positioning mechanism 903 includes a deflection seat 9031 fixed on the position adjustment block 704, the deflection seat 9031 is fixedly connected to the inner shaft 9032, the outer side of the inner shaft 9032 is fixedly connected to the torsion spring 9033, the end of the torsion spring 9033 away from the inner shaft 9032 is fixedly connected to the deflection sleeve 9034, the deflection sleeve 9034 is rotatably connected to the deflection seat 9031, and the deflection sleeve 9034 is fixedly connected to the fixed shaft 904.

[0028] Specifically, under the action of the torsion spring 9033, the fixed shaft 904 can be in a vertical state without the action of external force. When the steel grating is placed between the lower cleaning disk 905 and the upper cleaning disk 907, the rotating motor 901 can be turned on when the steel grating contacts the middle grinding shaft 906. The rotation of the output shaft of the rotating motor 901 will drive the rotating shaft 902 to rotate, and then drive the deflection positioning mechanism 903 to rotate, thereby driving the fixed shaft 904 to rotate, thereby driving the lower cleaning disk 905, the middle grinding shaft 906 and the upper cleaning disk 907 to rotate, thereby grinding the surface burrs on the steel grating.

[0029] In addition, since the deflection sleeve 9034 can deflect, it can ensure that the steel grating can be rotated within a certain size range. Moreover, the lower cleaning plate 905, the middle grinding shaft 906 and the upper cleaning plate 907 can rotate, so the steel grating can be rotated, thereby achieving full coverage and cleaning of the steel grating.

[0030] Example 2, continue to refer to Figures 1 - 3 In the embodiment of the present invention, the middle bracket mechanism 8 includes a connecting rod 801 fixed on the position adjustment block 704 , and the connecting rod 801 is fixedly connected to the V-shaped limit frame 802 .

[0031] Specifically, the steel grating is placed between the lower clamping assembly 2 and the upper clamping assembly 3 through the V-shaped limit frame 802, which facilitates the subsequent clamping and fixing of the steel grating.

[0032] During the implementation of the present invention, firstly, according to the different widths of the steel gratings to be processed, the position adjustment mechanism 7 is turned on, so as to adjust the spacing between the two middle bracket mechanisms 8, and at the same time, the spacing between the rotating cleaning mechanism 9 is adjusted, and at the same time, a specified number of movable deflection pressure plate mechanisms 6 are placed on the fixed plate mechanism 4. At this time, the steel gratings to be polished are placed into the middle bracket mechanisms 8, and then the rotating belt mechanism 5 is turned on. The rotation of the rotating belt mechanism 5 will drive the movable deflection pressure plate mechanism 6 to move, thereby compacting the steel gratings and driving the steel gratings to move. At this time, the rotating cleaning mechanism 9 is turned on to shift the steel gratings, so as to polish the burrs on the front and back sides of the steel gratings, thereby realizing rapid and continuous processing of the steel gratings.

[0033] The present invention can clamp and fix steel gratings of different sizes and thicknesses by arranging a lower clamping assembly 2 and an upper clamping assembly 3, and can drive the steel gratings to move continuously for processing. The steel gratings can be clamped and limited by the cooperation of the moving deflection pressure plate mechanism 6. The moving deflection pressure plate mechanism 6 can be driven to move on the fixed plate mechanism 4 by the rotating belt mechanism 5. The spacing between the two middle clamping frame mechanisms 8 can be adjusted by the position adjustment mechanism 7 to accommodate the placement of steel gratings of different widths for feeding. At the same time, the spacing between the two rotating cleaning mechanisms 9 can be adjusted to grind the surface burrs of the steel gratings. At the same time, the steel gratings can be driven to rotate and change position to achieve covering processing of the steel gratings, thereby improving the efficiency of grinding processing of burrs on the surface of the steel gratings.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A device for treating burrs on the surface of a steel grating, comprising a treatment and placement seat (1), characterized in that: The processing and placement seat (1) is provided with a lower clamping assembly (2) and an upper clamping assembly (3); the lower clamping assembly (2) comprises a fixed plate mechanism (4), a rotating belt mechanism (5) and a movable deflection pressure plate mechanism (6); the fixed plate mechanism (4) is arranged on the processing and placement seat (1); the rotating belt mechanism (5) is arranged on the fixed plate mechanism (4); a plurality of movable deflection pressure plate mechanisms (6) are provided; the movable deflection pressure plate mechanisms (6) are arranged on the fixed plate mechanism (4); the upper clamping assembly (3) and the lower clamping assembly (2) are arranged on the fixed plate mechanism (4); The structures are the same, a position adjustment mechanism (7) is provided on the processing and placing seat (1), and two middle clamping frame mechanisms (8) and a rotating cleaning mechanism (9) are provided on the position adjustment mechanism (7); the movable deflection pressure plate mechanism (6) is used to clamp and position the steel grating, the rotating belt mechanism (5) is used to drive the movable deflection pressure plate mechanism (6) to move, the position adjustment mechanism (7) is used to adjust the positions of the middle clamping frame mechanism (8) and the rotating cleaning mechanism (9), and the rotating cleaning mechanism (9) is used to drive and grind the steel grating.

2. The device for treating burrs on the surface of steel grating according to claim 1, characterized in that: The fixed plate mechanism (4) comprises a support frame (401) fixed on the processing placement seat (1), the support frame (401) is fixedly connected to the fixed plate (402), a surrounding track groove (403) is provided on the fixed plate (402), a placement groove (404) is provided on the upper part of the fixed plate (402), and the placement groove (404) and the surrounding track groove (403) are connected.

3. The device for treating burrs on the surface of steel grating according to claim 2, characterized in that: The toggle belt mechanism (5) comprises a motor support (501) fixed on a fixed plate (402); the motor support (501) is fixedly connected to a toggle motor (502); an output shaft of the toggle motor (502) is fixedly connected to a first synchronous wheel (503); the first synchronous wheel (503) and the fixed plate (402) are rotatably connected; the first synchronous wheel (503) is transmission-connected to a synchronous belt (504); the synchronous belt (504) is transmission-connected to a second synchronous wheel (505); a plurality of toggle plates (506) are provided on the synchronous belt (504); and a shaft clamping groove is provided on the toggle plates (506).

4. The device for treating burrs on the surface of steel grating according to claim 3, characterized in that: The movable deflection pressure plate mechanism (6) comprises a movable frame (601), wherein the movable frame (601) is rotatably connected to two clamping wheel shafts (602), wherein the two clamping wheel shafts (602) are symmetrically arranged on the movable frame (601), wherein the clamping wheel shafts (602) are rotatably connected to the clamping wheel (603), wherein a contact wheel (604) is provided on the movable frame (601), wherein the movable frame (601) is fixedly connected to a clamping frame (605), wherein an elastic member (606) is fixedly connected inside the clamping frame (605), wherein an end of the elastic member (606) is fixedly connected to a clamping block (607), wherein the clamping block (607) and the clamping frame (605) are slidably connected, wherein the clamping block (607) is fixedly connected to a pressure rod (608), wherein the pressure rod (608) passes through the clamping frame (605), wherein the pressure rod (608) and the clamping frame (605) are slidably connected, wherein an end of the pressure rod (608) away from the clamping block (607) is rotatably connected to a circular plate (609).

5. The device for treating burrs on the surface of steel grating according to claim 1, characterized in that: The position adjustment mechanism (7) comprises an adjustment plate (701) fixed on the processing placement seat (1), two adjustment plates (701) are provided, one of the adjustment plates (701) is provided with an adjustment motor (702), the output shaft of the adjustment motor (702) is fixedly connected to an adjustment threaded rod (703), the adjustment threaded rod (703) and the adjustment plate (701) are rotatably connected, the adjustment threaded rod (703) is composed of two threaded rods with opposite rotation directions, the adjustment threaded rod (703) is threadedly connected to two position adjustment blocks (704), the position adjustment blocks (704) and the processing placement seat (1) are slidably connected, and the two position adjustment blocks (704) are symmetrically arranged on the adjustment threaded rod (703).

6. The device for treating burrs on the surface of steel grating according to claim 5, characterized in that: The middle bracket mechanism (8) comprises a connecting rod (801) fixed on the position adjustment block (704), and the connecting rod (801) is fixedly connected to the V-shaped limit frame (802).

7. The device for treating burrs on the surface of steel grating according to claim 5, characterized in that: The rotary cleaning mechanism (9) comprises a rotary motor (901) fixed on a position adjustment block (704); the output shaft of the rotary motor (901) is fixedly connected to a rotary shaft (902); the rotary shaft (902) is fixedly connected to a deflection positioning mechanism (903); the deflection positioning mechanism (903) is connected to a fixed shaft (904); the fixed shaft (904) is fixedly connected to a lower cleaning disc (905); the lower cleaning disc (905) is fixedly connected to a middle grinding shaft (906); the middle grinding shaft (906) is fixedly connected to an upper cleaning disc (907); and grinding brushes are provided on the surfaces of the lower cleaning disc (905), the middle grinding shaft (906) and the upper cleaning disc (907).

8. The device for treating burrs on the surface of steel grating according to claim 7, characterized in that: The deflection positioning mechanism (903) comprises a deflection seat (9031) fixed on the position adjustment block (704); the deflection seat (9031) is fixedly connected to the inner shaft (9032); the outer side of the inner shaft (9032) is fixedly connected to a torsion spring (9033); one end of the torsion spring (9033) away from the inner shaft (9032) is fixedly connected to a deflection sleeve (9034); the deflection sleeve (9034) and the deflection seat (9031) are rotationally connected; and the deflection sleeve (9034) and the fixed shaft (904) are fixedly connected.

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